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Li CZ, Ullah A, Tian P, Yu XZ. Boron deficiency energizes cyanide uptake and assimilation through activating plasma membrane H +-ATPase in rice plants. Chemosphere 2024; 352:141290. [PMID: 38280649 DOI: 10.1016/j.chemosphere.2024.141290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/16/2024] [Accepted: 01/22/2024] [Indexed: 01/29/2024]
Abstract
The effect of boron (B) deficiency on mediating the contribution of H+-ATPase in the uptake and assimilation of exogenous cyanide (CN-) is investigated. Under CN- treatments, rice seedlings with B-deficient (-B) conditions exhibited significantly higher CN- uptake and assimilation rates than B-supplemented (+B) seedlings, whereas NH4+ uptake and assimilation rates were slightly higher in -B rice seedlings than in +B. In this connection, the expression pattern of genes encoding β-CAS, ST, and H+-ATPase was assessed to unravel their role in the current scenario. The abundances of three β-CAS isogenes (OsCYS-D1, OsCYS-D2, and OsCYS-C1) in rice tissues are upregulated from both "CN--B" and "CN-+B" treatments, however, only OsCYS-C1 in roots from the "CN--B" treatments was significantly upregulated than "CN-+B" treatments. Expression patterns of ST-related genes (OsStr9, OsStr22, and OsStr23) are tissue specific, in which significantly higher upregulation of ST-related genes was observed in shoots from "CN--B" treatments than "CN-+B" treatments. Expression pattern of 7 selected H+-ATPase isogenes, OsA1, OSA2, OsA3, OsA4, OsA7, OsA8, and OsA9 are quite tissue specific between "CN-+B" and "CN--B" treatments. Among these, OsA4 and OsA7 genes were highly activated in the uptake and assimilation of exogenous CN- in -B nutrient solution. These results indicated that B deficiency disturbs the pattern of N cycles in CN--treated rice seedlings, where activation of ST during CN- assimilation decreases the flux of the innate pool of NH4+ produced from CN- assimilation by the β-CAS pathway in plants. Collectively, the B deficiency increased the uptake and assimilation of exogenous CN- through activating H+-ATPase.
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Affiliation(s)
- Cheng-Zhi Li
- College of Environmental Science & Engineering, Guilin University of Technology, Guilin, 541004, China
| | - Abid Ullah
- College of Environmental Science & Engineering, Guilin University of Technology, Guilin, 541004, China
| | - Peng Tian
- College of Environmental Science & Engineering, Guilin University of Technology, Guilin, 541004, China
| | - Xiao-Zhang Yu
- College of Environmental Science & Engineering, Guilin University of Technology, Guilin, 541004, China.
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2
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Liu W, Wang S, Ye X, Xu F. BnaA4.BOR2 contributes the tolerance of rapeseed to boron deficiency by improving the transport of boron from root to shoot. Plant Physiol Biochem 2024; 208:108508. [PMID: 38490152 DOI: 10.1016/j.plaphy.2024.108508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 03/17/2024]
Abstract
Boron (B) is essential for plant growth. However, the molecular mechanism of B transport in rapeseed (Brassica napus L.) is unknown well. Here, we report that B transporter BnaA4.BOR2 is involved in the transport of B from root to shoot and its distribution in shoot cell wall and flower in rapeseed. The results of GUS staining and in-situ PCR analysis showed that BnaA4.BOR2 is mainly expressed in cortex and endodermis of root tip meristem zone and endodermis of mature zone. BnaA4.BOR2 was mainly localized in plasma membrane and showed B transport activity in yeast. Overexpression of Bna4.BOR2 could rescue the phenotype of Arabidopsis mutant bor2-2 under low-B condition. Furthermore, knockout of BnaA4.BOR2 could significantly enhance the sensitivity of rapeseed mutants to B deficiency, including inhibition of root elongation and biomass decrease of roots and shoots. The B concentration in xylem sap of BnaA4.BOR2 mutants was significantly decreased under B deficiency, which resulted in significantly lower B concentrations in shoot cell wall at seedling stage and flower organ at reproductive stage compared to that of wild-type QY10. The growth of BnaA4.BOR2 mutants were severely inhibited, exhibiting a typical B-deficient phenotype of "flowering without seed setting", leading to a sharp decrease in seed yield in B deficient soil. Taken together, these results indicate that BnaA4.BOR2 is critical for rapeseed growth and seed yield production under low B level, which is mainly expressed in cortex and endodermis, and contributed to the transport of B from roots to shoots and its distribution in shoot.
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Affiliation(s)
- Wei Liu
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, China; Microelement Research Center, College of Resources & Environment, Huazhong Agricultural University, Wuhan, 430070, China
| | - Sheliang Wang
- Microelement Research Center, College of Resources & Environment, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xiangsheng Ye
- Microelement Research Center, College of Resources & Environment, Huazhong Agricultural University, Wuhan, 430070, China
| | - Fangsen Xu
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, China; Microelement Research Center, College of Resources & Environment, Huazhong Agricultural University, Wuhan, 430070, China.
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Khan A, Bibi S, Javed T, Mahmood A, Mehmood S, Javaid MM, Ali B, Yasin M, Abidin ZU, Al-Sadoon MK, Babar BH, Iqbal R, Malik T. Effect of salinity stress and surfactant treatment with zinc and boron on morpho-physiological and biochemical indices of fenugreek (Trigonella foenum-graecum). BMC Plant Biol 2024; 24:138. [PMID: 38408911 PMCID: PMC10897981 DOI: 10.1186/s12870-024-04800-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 02/05/2024] [Indexed: 02/28/2024]
Abstract
Micronutrient application has a crucial role in mitigating salinity stress in crop plants. This study was carried out to investigate the effect of zinc (Zn) and boron (B) as foliar applications on fenugreek growth and physiology under salt stress (0 and 120 mM). After 35 days of salt treatments, three levels of zinc (0, 50, and 100 ppm) and two levels of boron (0 and 2 ppm) were applied as a foliar application. Salinity significantly reduced root length (72.7%) and shoot length (33.9%), plant height (36%), leaf area (37%), root fresh weight (48%) and shoot fresh weight (75%), root dry weight (80%) and shoot dry weight (67%), photosynthetic pigments (78%), number of branches (50%), and seeds per pod (56%). Fenugreek's growth and physiology were improved by foliar spray of zinc and boron, which increased the length of the shoot (6%) and root length (2%), fresh root weight (18%), and dry root weight (8%), and chlorophyll a (1%), chlorophyll b (25%), total soluble protein content (3%), shoot calcium (9%) and potassium (5%) contents by significantly decreasing sodium ion (11%) content. Moreover, 100 ppm of Zn and 2 ppm of B enhanced the growth and physiology of fenugreek by reducing the effect of salt stress. Overall, boron and zinc foliar spray is suggested for improvement in fenugreek growth under salinity stress.
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Affiliation(s)
- Atika Khan
- Department of Botany, Faculty of Sciences, University of Agriculture Faisalabad, Faisalabad, 38040, Pakistan
| | - Safura Bibi
- Department of Botany, Faculty of Sciences, University of Agriculture Faisalabad, Faisalabad, 38040, Pakistan
| | - Talha Javed
- Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou-571101, China
| | - Athar Mahmood
- Department of Agronomy, University of Agriculture Faisalabad, Faisalabad, 38040, Pakistan.
| | - Shahid Mehmood
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Muhammad Mansoor Javaid
- Department of Agronomy, College of Agriculture, University of Sargodha, Sargodha, PK-40100, Pakistan
| | - Baber Ali
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Muhammad Yasin
- Department of Agricultural Sciences, Faculty of Sciences, Allama Iqbal Open University Islamabad, Islamabad, Pakistan
| | - Zain Ul Abidin
- Department of Botany, Faculty of Sciences, University of Agriculture Faisalabad, Faisalabad, 38040, Pakistan
| | - Mohammad Khalid Al-Sadoon
- Department of Zoology, College of Science, King Saud University, PO BOX 2455, Riyadh, 11451, Saudi Arabia
| | - Babar Hussain Babar
- Vegetable Section, Ayub Agricultural Research Institute, Faisalabad, Pakistan
| | - Rashid Iqbal
- Department of Agronomy, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur Pakistan, Bahawalpur, 63100, Pakistan
| | - Tabarak Malik
- Department of Biomedical Sciences, Institute of Health, Jimma University, Jimma, Ethiopia, 378.
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Zou J, Zhang Q, Amoako FK, Ackah M, Li H, Shi Y, Li J, Jiang Z, Zhao W. Genome-wide transcriptome profiling of mulberry (Morus alba) response to boron deficiency and toxicity reveal candidate genes associated with boron tolerance in leaves. Plant Physiol Biochem 2024; 207:108316. [PMID: 38176189 DOI: 10.1016/j.plaphy.2023.108316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 12/24/2023] [Accepted: 12/25/2023] [Indexed: 01/06/2024]
Abstract
Mulberry (Morus alba) is an essential plant with countless economic benefits; however, its growth and metabolic processes are hampered by boron (B) stresses. Very little research has been performed to elucidate boron tolerance and detoxification mechanisms in this species. The M. alba cultivar, Yu-711, was exposed to five different concentrations of boric acid (H3BO3), including deficient (T1; 0 mM) moderate B deficiency (T2; 0.02 mM), sufficient (CK; 0.1 mM) and toxic (T3 and T4; 0.5 and 1 mM) levels for 18 days of growth in pots experiment. Transcriptome analysis of B deficiency and toxicity treatments was performed on mulberry leaves. The transcriptome data reveal that a total of 6114 genes were differentially expressed (DEGs), of which 3830 were up-regulated and 2284 were down-regulated. A comparative analysis between treatment groups CK-vs-T1 (deficiency) and CK-vs-T4 (toxicity) indicates that 590 and 1383 genes were down-regulated in both deficiency and B toxicity, respectively. The results show that 206 genes were differentially expressed in all treatments. B deficiency and toxicity significantly altered the expression of the key aquaporins (PIP2-1, PIP2-7, PIP2-4 and NIP3-1) and high-affinity boron transporter genes (BOR1 and BOR7). In addition, boron stress also altered the expression of antioxidants and photosynthesis-related genes. B stresses were found to alter several transcription factors including ERF1B, which is associated with the regulation of boron uptake and the synthesis and signaling of phytohormones. Unravelling the mechanisms of B tolerance and detoxification is important and would give us further insight into how B stresses affect mulberry plants.
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Affiliation(s)
- Jincheng Zou
- Jiangsu Key Laboratory of Sericulture Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, The Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, 212100, People's Republic of China
| | - Qiaonan Zhang
- Jiangsu Key Laboratory of Sericulture Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, The Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, 212100, People's Republic of China
| | - Frank Kwarteng Amoako
- Institute of Plant Nutrition and Soil Science, Kiel University, Hermann-Rodewald-Straße 2, Kiel, 24118, Germany
| | - Michael Ackah
- Jiangsu Key Laboratory of Sericulture Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, The Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, 212100, People's Republic of China.
| | - Haonan Li
- Jiangsu Key Laboratory of Sericulture Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, The Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, 212100, People's Republic of China
| | - Yisu Shi
- Jiangsu Key Laboratory of Sericulture Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, The Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, 212100, People's Republic of China
| | - Jianbin Li
- Jiangsu Key Laboratory of Sericulture Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, The Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, 212100, People's Republic of China
| | - Zijie Jiang
- Jiangsu Key Laboratory of Sericulture Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, The Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, 212100, People's Republic of China
| | - Weiguo Zhao
- Jiangsu Key Laboratory of Sericulture Biology and Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, 212100, People's Republic of China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, The Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, 212100, People's Republic of China.
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Liu L, Luo Y, Ding G, Wang C, Cai H, Shi L, Xu F, Bao X, Wang S. Identification and function characterization of BnaBOR4 genes reveal their potential for Brassica napus cultivation under high boron stress. Ecotoxicol Environ Saf 2024; 271:116011. [PMID: 38266356 DOI: 10.1016/j.ecoenv.2024.116011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 11/11/2023] [Accepted: 01/21/2024] [Indexed: 01/26/2024]
Abstract
Boron (B) is essential for plant growth, but toxic in excess. In several countries, soil toxic B levels are always a severe agricultural problem in arid and semi-arid regions. Phytoremediation of excess B containing soil is still in its infancy, while high B tolerant plants with elevated protein abundance of B efflux transporter were successfully established or explored. Brassica napus (B. napus) is one of the most important oil crops. However, B efflux transporters underlying excess B tolerance in B. napus remain unknown. Here, we reported that in Brassicaceae species, B. napus had four homologous genes of Arabidopsis AtBOR4 , which were renamed BnaBOR4.1, BnaBOR4.2, BnaBOR4.3 and BnaBOR4.4. BnaBOR4.1, BnaBOR4.2 and BnaBOR4.3 showed constitutive expression and BnaBOR4.4 appeared to be a pseudogene. BnaBOR4.2 and BnaBOR4.3 were expressed in inner cell layers and BnaBOR4.1 in the outer cell layer in root tip, and all were expressed in vascular tissue in the mature zone. B efflux activity assays in yeast demonstrated that BnaBOR4.1, BnaBOR4.2 and AtBOR4 but not BnaBOR4.3 had comparable levels of B transport activity. Structure-functional analysis between BnaBOR4.3 and BnaBOR4.2 demonstrated that amino acid residue substitution at position 297 (Ala vs Pro) and 427 (Met vs Leu) is critical for the B transport activity. Mutant BnaBOR4.3M427L partially restored the B efflux activity, and both mutants BnaBOR4.3A297P and BnaBOR4.3A297P&M427L fully restored B efflux activity, indicating that the Pro297 residue is critical for their function. Further validation of BnaBOR4 was accomplished by growing transgenic Arabidopsis plants under high B conditions. Taken together, our study identified two functional B efflux genes BnaBOR4.1 and BnaBOR4.2 in B. napus, and a key amino acid residue proline 297 associated with B efflux activity. This study highlights the potential of BanBOR4 genes for B. napus cultivation under high B stress.
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Affiliation(s)
- Ling Liu
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China; Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China
| | - Yu Luo
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China; Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China
| | - Guangda Ding
- Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China
| | - Chuang Wang
- Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China
| | - Hongmei Cai
- Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China
| | - Lei Shi
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China; Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China
| | - Fangsen Xu
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China; Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China
| | - Xiulan Bao
- College of Engineering, Huazhong Agricultural University, Wuhan 430070, China.
| | - Sheliang Wang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China; Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China.
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Chen S, Huang J, Liu T, Zhang F, Zhao C, Jin E, Li S. PI3K/Akt signaling pathway mediates the effect of low-dose boron on barrier function, proliferation and apoptosis in rat intestinal epithelial cells. Sci Rep 2024; 14:393. [PMID: 38172276 PMCID: PMC10764725 DOI: 10.1038/s41598-023-50800-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 12/26/2023] [Indexed: 01/05/2024] Open
Abstract
Boron is an essential trace element with roles in growth, development, and physiological functions; however, its mechanism of action is still unclear. In this study, the regulatory roles of the PI3K/Akt signaling pathway on boron-induced changes in barrier function, proliferation, and apoptosis in rat intestinal epithelial cells were evaluated. Occludin levels, the proportion of cells in the G2/M phase, cell proliferation rate, and mRNA and protein expression levels of PCNA were higher, while the proportions of cells in the G0/G1 and S phases, apoptosis rate, and caspase-3 mRNA and protein expression levels were lower in cells treated with 0.8 mmol/L boron than in control IEC-6 cells (P < 0.01 or P < 0.05). However, 40 mmol/L boron decreased ZO-1 and Occludin levels, the proportion of cells in the G2/M phase, cell proliferation rate, and mRNA and protein levels of PCNA and increased the apoptosis rate and caspase-3 mRNA expression (P < 0.01 or P < 0.05). After specifically blocking PI3K and Akt signals (using LY294002 and MK-2206 2HCL), 0.8 mmol/L boron had no effects on Occludin, PCNA level, apoptosis rates, and caspase-3 levels (P < 0.05); however, the proliferation rate and PCNA levels decreased significantly (P < 0.01 or P < 0.05). The addition of 40 mmol/L boron did not affect ZO-1 and Occludin levels and did not affect the apoptosis rate or PCNA and caspase-3 levels. These results suggested that the PI3K/Akt signaling pathway mediates the effects of low-dose boron on IEC-6 cells.
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Affiliation(s)
- Shuqin Chen
- College of Animal Science, Anhui Science and Technology University, No. 9, Donghua Road, Fengyang County, Chuzhou City, Anhui Province, China
| | - Jialiang Huang
- College of Animal Science, Anhui Science and Technology University, No. 9, Donghua Road, Fengyang County, Chuzhou City, Anhui Province, China
| | - Ting Liu
- College of Animal Science, Anhui Science and Technology University, No. 9, Donghua Road, Fengyang County, Chuzhou City, Anhui Province, China
| | - Feng Zhang
- College of Animal Science, Anhui Science and Technology University, No. 9, Donghua Road, Fengyang County, Chuzhou City, Anhui Province, China
| | - Chunfang Zhao
- College of Animal Science, Anhui Science and Technology University, No. 9, Donghua Road, Fengyang County, Chuzhou City, Anhui Province, China
| | - Erhui Jin
- College of Animal Science, Anhui Science and Technology University, No. 9, Donghua Road, Fengyang County, Chuzhou City, Anhui Province, China.
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, No. 9, Donghua Road, Fengyang County, Chuzhou City, Anhui Province, China.
| | - Shenghe Li
- College of Animal Science, Anhui Science and Technology University, No. 9, Donghua Road, Fengyang County, Chuzhou City, Anhui Province, China.
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, No. 9, Donghua Road, Fengyang County, Chuzhou City, Anhui Province, China.
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Wang J, Wei J, Guo D, Lv X, Wang B, Wang Y, Li J. Boron homeostasis affects Longan yield: a study of NIP and BOR boron transporter of two cultivars. BMC Plant Biol 2024; 24:9. [PMID: 38163908 PMCID: PMC10759464 DOI: 10.1186/s12870-023-04689-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 12/14/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND Essential micronutrient Boron (B) plays crucial roles in plant survival and reproduction but becomes toxic in higher quantities. Although plant cells have different B transport systems, B homeostasis is mainly maintained by two transporter protein families: B exporters (BOR) and nodulin-26-like intrinsic proteins (NIP). Their diversity and differential expression are responsible for varied B tolerance among plant varieties and species. Longan is a highly admired subtropical fruit with a rising market in China and beyond. In the present study, we cultured Shixia (SX) and Yiduo (YD), two differently characterized Longan cultivars, with foliar B spray. We analyzed their leaf physiology, fruit setting, B content, and boron transporter gene expression of various tissue samples. We also traced some of these genes' subcellular localization and overexpression effects. RESULTS YD and SX foliage share similar microstructures, except the mesophyll cell wall thickness is double in YD. The B spray differently influenced their cellular constituents and growth regulators. Gene expression analysis showed reduced BOR genes expression and NIP genes differential spatiotemporal expression. Using green fluorescent protein, two high-expressing NIPs, NIP1 and NIP19, were found to translocate in the transformed tobacco leaves' cell membrane. NIPs transformation of SX pollen was confirmed using magnetic beads and quantified using a fluorescence microscope and polymerase chain reaction. An increased seed-setting rate was observed when YD was pollinated using these pollens. Between the DlNIP1 and DlNIP19 transformed SX pollen, the former germinated better with increasing B concentrations and, compared to naturally pollinated plants, had a better seed-setting rate in YD♀ × SX♂. CONCLUSION SX and YD Longan have different cell wall structures and react differently to foliar B spray, indicating distinct B tolerance and management. Two B transporter NIP genes were traced to localize in the plasma membrane. However, under high B concentrations, their differential expression resulted in differences in Jasmonic acid content, leading to differences in germination rate. Pollination of YD using these NIPs transformed SX pollen also showed NIP1 overexpression might overcome the unilateral cross incompatibility between YD♀ × SX♂ and can be used to increase Longan production.
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Affiliation(s)
- Jing Wang
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Junbin Wei
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Dongliang Guo
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Xinmin Lv
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Boyun Wang
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Yiyun Wang
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Jianguang Li
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China.
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Chen X, Ru Y, Takahashi H, Nakazono M, Shabala S, Smith SM, Yu M. Single-cell transcriptomic analysis of pea shoot development and cell-type-specific responses to boron deficiency. Plant J 2024; 117:302-322. [PMID: 37794835 DOI: 10.1111/tpj.16487] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 09/08/2023] [Accepted: 09/20/2023] [Indexed: 10/06/2023]
Abstract
Understanding how nutrient stress impacts plant growth is fundamentally important to the development of approaches to improve crop production under nutrient limitation. Here we applied single-cell RNA sequencing to shoot apices of Pisum sativum grown under boron (B) deficiency. We identified up to 15 cell clusters based on the clustering of gene expression profiles and verified cell identity with cell-type-specific marker gene expression. Different cell types responded differently to B deficiency. Specifically, the expression of photosynthetic genes in mesophyll cells (MCs) was down-regulated by B deficiency, consistent with impaired photosynthetic rate. Furthermore, the down-regulation of stomatal development genes in guard cells, including homologs of MUTE and TOO MANY MOUTHS, correlated with a decrease in stomatal density under B deficiency. We also constructed the developmental trajectory of the shoot apical meristem (SAM) cells and a transcription factor interaction network. The developmental progression of SAM to MC was characterized by up-regulation of genes encoding histones and chromatin assembly and remodeling proteins including homologs of FASCIATA1 (FAS1) and SWITCH DEFECTIVE/SUCROSE NON-FERMENTABLE (SWI/SNF) complex. However, B deficiency suppressed their expression, which helps to explain impaired SAM development under B deficiency. These results represent a major advance over bulk-tissue RNA-seq analysis in which cell-type-specific responses are lost and hence important physiological responses to B deficiency are missed. The reported findings reveal strategies by which plants adapt to B deficiency thus offering breeders a set of specific targets for genetic improvement. The reported approach and resources have potential applications well beyond P. sativum species and could be applied to various legumes to improve their adaptability to multiple nutrient or abiotic stresses.
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Affiliation(s)
- Xi Chen
- Department of Horticulture, International Research Centre for Environmental Membrane Biology, Foshan University, Foshan, 528000, China
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, TAS, 7001, Australia
- School of Biological Science, University of Western Australia, Crawley, WA, 6009, Australia
| | - Yanqi Ru
- Department of Horticulture, International Research Centre for Environmental Membrane Biology, Foshan University, Foshan, 528000, China
| | - Hirokazu Takahashi
- Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa, Nagoya, 464-8601, Japan
| | - Mikio Nakazono
- Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa, Nagoya, 464-8601, Japan
- School of Agriculture and Environment, University of Western Australia, Crawley, WA, 6009, Australia
| | - Sergey Shabala
- Department of Horticulture, International Research Centre for Environmental Membrane Biology, Foshan University, Foshan, 528000, China
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, TAS, 7001, Australia
- School of Biological Science, University of Western Australia, Crawley, WA, 6009, Australia
| | - Steven M Smith
- Australian Research Council Centre of Excellence for Plant Success in Nature and Agriculture, School of Natural Sciences, University of Tasmania, Hobart, TAS, 7001, Australia
| | - Min Yu
- Department of Horticulture, International Research Centre for Environmental Membrane Biology, Foshan University, Foshan, 528000, China
- School of Agriculture and Environment, University of Western Australia, Crawley, WA, 6009, Australia
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9
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Nicolas-Espinosa J, Yepes-Molina L, Martinez-Bernal F, Fernandez-Pozurama M, Carvajal M. Deciphering the effect of salinity and boron stress on broccoli plants reveals that membranes phytosterols and PIP aquaporins facilitate stress adaptation. Plant Sci 2024; 338:111923. [PMID: 37972760 DOI: 10.1016/j.plantsci.2023.111923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 10/05/2023] [Accepted: 11/08/2023] [Indexed: 11/19/2023]
Abstract
Abiotic stresses, such as salinity and boron toxicity/deficiency, are prevalent in arid and semi-arid regions where broccoli is largely cultivated. This study aimed to investigate the physiological response of broccoli leaves to these stresses, focusing on parameters such as growth, relative water content, stomatal conductance, and mineral concentration after 15 days of treatment application. The effects of individual and combined stresses of salinity and boron (deficiency and toxicity) were examined. Additionally, the study explored the molecular aspects of PIP aquaporins in relation to their presence in the plasma membrane and their interaction with the lipid environment. The results showed that the combined stress of salinity and boron deficiency resulted in a significant reduction in plant biomass, suggesting a specific adaptation to this stress combination. Changes in stomatal conductance and mineral nutrient levels indicated that the adaptation mechanisms were associated with water and boron concentration in the leaves. The expression patterns of PIP aquaporins varied among the different stress treatments, either individually or in combination. Furthermore, the presence of aquaporins in the plasma membrane and microsomal fraction highlighted the potential regulatory roles of trafficking along with the membrane composition, particularly the concentration of phytosterols. The results underscore the importance of water transport by aquaporins and their interaction with the sterol composition in the membranes, in facilitating salinity-boron stress adaptation mechanisms.
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Affiliation(s)
- Juan Nicolas-Espinosa
- Aquaporins Group. Plant Nutrition Department, Centro de Edafología y Biología Aplicada del Segura (CEBAS-CSIC), Campus Universitario de Espinardo, Edificio 25, 30100 Murcia, Spain
| | - Lucia Yepes-Molina
- Aquaporins Group. Plant Nutrition Department, Centro de Edafología y Biología Aplicada del Segura (CEBAS-CSIC), Campus Universitario de Espinardo, Edificio 25, 30100 Murcia, Spain
| | - Fuensanta Martinez-Bernal
- Aquaporins Group. Plant Nutrition Department, Centro de Edafología y Biología Aplicada del Segura (CEBAS-CSIC), Campus Universitario de Espinardo, Edificio 25, 30100 Murcia, Spain
| | - Miriam Fernandez-Pozurama
- Aquaporins Group. Plant Nutrition Department, Centro de Edafología y Biología Aplicada del Segura (CEBAS-CSIC), Campus Universitario de Espinardo, Edificio 25, 30100 Murcia, Spain
| | - Micaela Carvajal
- Aquaporins Group. Plant Nutrition Department, Centro de Edafología y Biología Aplicada del Segura (CEBAS-CSIC), Campus Universitario de Espinardo, Edificio 25, 30100 Murcia, Spain.
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10
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Yang Y, Yang Y, Li X, Zhang S, Li S, Ren M. Effects of Boron on Fat Synthesis in Porcine Mammary Epithelial Cells. Biol Trace Elem Res 2024; 202:190-198. [PMID: 37103639 DOI: 10.1007/s12011-023-03663-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 04/05/2023] [Indexed: 04/28/2023]
Abstract
This study aimed to investigate the effect of boron on porcine mammary epithelial cells (PMECs) survival, cell cycle, and milk fat synthesis. PMECs from boron-treated groups were exposed to 0-80 mmol/L boric acid concentrations. Cell counting kit-8 and flow cytometry assays were performed to assess cell survival and the cell cycle, respectively. Triacylglycerol (TAG) levels in PMECs and culture medium were determined by a triacylglycerol kit while PMECs lipid droplet aggregation was investigated via oil red staining. Milk fat synthesis-associated mRNA levels were determined by quantitative real-time polymerase chain reaction (qPCR) while its protein expressions were determined by Western blot. Low (0.2, 0.3, 0.4 mmol/L) and high (> 10 mmol/L) boron concentrations significantly promoted and inhibited cell viabilities, respectively. Boron (0.3 mmol/L) markedly elevated the abundance of G2/M phase cells. Ten mmol/L boron significantly increased the abundances of G0/G1 and S phase cells, but markedly suppressed G2/M phase cell abundance. At 0.3 mmol/L, boron significantly enhanced ERK phosphorylation while at 0.4, 0.8, 1, and 10 mmol/L, it markedly decreased lipid droplet diameters. Boron (10 mmol/L) significantly suppressed ACACA and SREBP1 protein expressions. The FASN protein levels were markedly suppressed by 0.4, 0.8, 1, and 10 mmol/L boron. Both 1 and 10 mmol/L markedly decreased FASN and SREBP1 mRNA expressions. Ten mmol/L boron significantly decreased PPARα mRNA levels. Low concentrations of boron promoted cell viability, while high concentrations inhibited PMECS viabilities and reduced lipid droplet diameters, which shows the implications of boron in pregnancy and lactation.
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Affiliation(s)
- Yanan Yang
- College of Animal Science, Anhui Science and Technology University, No.9 Donghua Road, Fengyang County, Anhui Province, 233100, People's Republic of China
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, No.9 Donghua Road, Fengyang County, Anhui Province, 233100, People's Republic of China
| | - Ya Yang
- College of Animal Science, Anhui Science and Technology University, No.9 Donghua Road, Fengyang County, Anhui Province, 233100, People's Republic of China
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, No.9 Donghua Road, Fengyang County, Anhui Province, 233100, People's Republic of China
| | - Xiaojin Li
- College of Animal Science, Anhui Science and Technology University, No.9 Donghua Road, Fengyang County, Anhui Province, 233100, People's Republic of China
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, No.9 Donghua Road, Fengyang County, Anhui Province, 233100, People's Republic of China
| | - Shihai Zhang
- College of Animal Science, South China Agricultural University, Guangzhou Province, 510642, People's Republic of China
| | - Shenghe Li
- College of Animal Science, Anhui Science and Technology University, No.9 Donghua Road, Fengyang County, Anhui Province, 233100, People's Republic of China
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, No.9 Donghua Road, Fengyang County, Anhui Province, 233100, People's Republic of China
| | - Man Ren
- College of Animal Science, Anhui Science and Technology University, No.9 Donghua Road, Fengyang County, Anhui Province, 233100, People's Republic of China.
- Anhui Province Key Laboratory of Animal Nutritional Regulation and Health, No.9 Donghua Road, Fengyang County, Anhui Province, 233100, People's Republic of China.
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11
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Hirano F, Kondo N, Murata Y, Sudani A, Temma T. Assessing the effectiveness of fluorinated and α-methylated 3-boronophenylalanine for improved tumor-specific boron delivery in boron neutron capture therapy. Bioorg Chem 2024; 142:106940. [PMID: 37939508 DOI: 10.1016/j.bioorg.2023.106940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 10/21/2023] [Accepted: 10/24/2023] [Indexed: 11/10/2023]
Abstract
A [10B]boron agent and a nuclear imaging probe for pharmacokinetic estimation form the fundamental pair in successful boron neutron capture therapy (BNCT). However, 4-[10B]borono-l-phenylalanine (BPA), used in clinical BNCT, has undesirable water solubility and tumor selectivity. Therefore, we synthesized fluorinated and α-methylated 3-borono-l-phenylalanine (3BPA) derivatives to realize improved water solubility, tumor targetability, and biodistribution. All 3BPA derivatives exhibited over 10 times higher water solubility than BPA. Treatment with α-methylated 3BPA derivatives resulted in decreased cell uptake via l-type amino acid transporter (LAT) 2 while maintaining LAT1 recognition, thereby significantly improving LAT1/LAT2 selectivity. Biodistribution studies showed that fluorinated α-methyl 3BPA derivatives exhibited reduced boron accumulation in nontarget tissues, including muscle, skin, and plasma. Consequently, these derivatives demonstrated significantly improved tumor-to-normal tissue ratios compared to 3BPA and BPA. Overall, fluorinated α-methyl 3BPA derivatives with the corresponding radiofluorinated compounds hold potential as promising agents for future BNCT/PET theranostics.
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Affiliation(s)
- Fuko Hirano
- Department of Biofunctional Analysis, Graduate School of Pharmaceutical Sciences, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
| | - Naoya Kondo
- Department of Biofunctional Analysis, Graduate School of Pharmaceutical Sciences, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
| | - Yusuke Murata
- Stella Pharma Corporation Sakai R&D Center, Bldg. C-23, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
| | - Aya Sudani
- Stella Pharma Corporation Sakai R&D Center, Bldg. C-23, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
| | - Takashi Temma
- Department of Biofunctional Analysis, Graduate School of Pharmaceutical Sciences, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan.
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12
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Waszczak C, Yarmolinsky D, Leal Gavarrón M, Vahisalu T, Sierla M, Zamora O, Carter R, Puukko T, Sipari N, Lamminmäki A, Durner J, Ernst D, Winkler JB, Paulin L, Auvinen P, Fleming AJ, Andersson MX, Kollist H, Kangasjärvi J. Synthesis and import of GDP-l-fucose into the Golgi affect plant-water relations. New Phytol 2024; 241:747-763. [PMID: 37964509 DOI: 10.1111/nph.19378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 10/13/2023] [Indexed: 11/16/2023]
Abstract
Land plants evolved multiple adaptations to restrict transpiration. However, the underlying molecular mechanisms are not sufficiently understood. We used an ozone-sensitivity forward genetics approach to identify Arabidopsis thaliana mutants impaired in gas exchange regulation. High water loss from detached leaves and impaired decrease of leaf conductance in response to multiple stomata-closing stimuli were identified in a mutant of MURUS1 (MUR1), an enzyme required for GDP-l-fucose biosynthesis. High water loss observed in mur1 was independent from stomatal movements and instead could be linked to metabolic defects. Plants defective in import of GDP-l-Fuc into the Golgi apparatus phenocopied the high water loss of mur1 mutants, linking this phenotype to Golgi-localized fucosylation events. However, impaired fucosylation of xyloglucan, N-linked glycans, and arabinogalactan proteins did not explain the aberrant water loss of mur1 mutants. Partial reversion of mur1 water loss phenotype by borate supplementation and high water loss observed in boron uptake mutants link mur1 gas exchange phenotypes to pleiotropic consequences of l-fucose and boron deficiency, which in turn affect mechanical and morphological properties of stomatal complexes and whole-plant physiology. Our work emphasizes the impact of fucose metabolism and boron uptake on plant-water relations.
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Affiliation(s)
- Cezary Waszczak
- Organismal and Evolutionary Biology Research Programme, Faculty of Biological and Environmental Sciences, Viikki Plant Science Centre, University of Helsinki, FI-00014, Helsinki, Finland
| | | | - Marina Leal Gavarrón
- Organismal and Evolutionary Biology Research Programme, Faculty of Biological and Environmental Sciences, Viikki Plant Science Centre, University of Helsinki, FI-00014, Helsinki, Finland
| | - Triin Vahisalu
- Organismal and Evolutionary Biology Research Programme, Faculty of Biological and Environmental Sciences, Viikki Plant Science Centre, University of Helsinki, FI-00014, Helsinki, Finland
| | - Maija Sierla
- Organismal and Evolutionary Biology Research Programme, Faculty of Biological and Environmental Sciences, Viikki Plant Science Centre, University of Helsinki, FI-00014, Helsinki, Finland
| | - Olena Zamora
- Institute of Technology, University of Tartu, 50411, Tartu, Estonia
| | - Ross Carter
- Sainsbury Laboratory, University of Cambridge, CB2 1LR, Cambridge, UK
| | - Tuomas Puukko
- Organismal and Evolutionary Biology Research Programme, Faculty of Biological and Environmental Sciences, Viikki Plant Science Centre, University of Helsinki, FI-00014, Helsinki, Finland
| | - Nina Sipari
- Organismal and Evolutionary Biology Research Programme, Faculty of Biological and Environmental Sciences, Viikki Plant Science Centre, University of Helsinki, FI-00014, Helsinki, Finland
- Viikki Metabolomics Unit, Faculty of Biological and Environmental Sciences, University of Helsinki, FI-00014, Helsinki, Finland
| | - Airi Lamminmäki
- Organismal and Evolutionary Biology Research Programme, Faculty of Biological and Environmental Sciences, Viikki Plant Science Centre, University of Helsinki, FI-00014, Helsinki, Finland
| | - Jörg Durner
- Institute of Biochemical Plant Pathology, Helmholtz Zentrum München, German Research Center for Environmental Health, 85764, Neuherberg, Germany
| | - Dieter Ernst
- Institute of Biochemical Plant Pathology, Helmholtz Zentrum München, German Research Center for Environmental Health, 85764, Neuherberg, Germany
| | - J Barbro Winkler
- Research Unit Environmental Simulation, Helmholtz Zentrum München, German Research Center for Environmental Health, 85764, Neuherberg, Germany
| | - Lars Paulin
- Institute of Biotechnology, University of Helsinki, FI-00014, Helsinki, Finland
| | - Petri Auvinen
- Institute of Biotechnology, University of Helsinki, FI-00014, Helsinki, Finland
| | - Andrew J Fleming
- School of Biosciences, University of Sheffield, S10 2TN, Sheffield, UK
| | - Mats X Andersson
- Department of Biological and Environmental Sciences, University of Gothenburg, SE-405 30, Gothenburg, Sweden
| | - Hannes Kollist
- Institute of Technology, University of Tartu, 50411, Tartu, Estonia
| | - Jaakko Kangasjärvi
- Organismal and Evolutionary Biology Research Programme, Faculty of Biological and Environmental Sciences, Viikki Plant Science Centre, University of Helsinki, FI-00014, Helsinki, Finland
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13
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Verwaaijen B, Alcock TD, Spitzer C, Liu Z, Fiebig A, Bienert MD, Bräutigam A, Bienert GP. The Brassica napus boron deficient inflorescence transcriptome resembles a wounding and infection response. Physiol Plant 2023; 175:e14088. [PMID: 38148205 DOI: 10.1111/ppl.14088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 11/02/2023] [Accepted: 11/06/2023] [Indexed: 12/28/2023]
Abstract
Oilseed rape and other crops of Brassica napus have a high demand for boron (B). Boron deficiencies result in the inhibition of root growth, and eventually premature flower abortion. Understanding the genetic mechanisms underlying flower abortion in B-limiting conditions could provide the basis to enhance B-efficiency and prevent B-deficiency-related yield losses. In this study, we assessed transcriptomic responses to B-deficiency in diverse inflorescence tissues at multiple time points of soil-grown plants that were phenotypically unaffected by B-deficiency until early flowering. Whilst transcript levels of known B transporters were higher in B-deficient samples, these remained remarkably stable as the duration of B-deficiency increased. Meanwhile, GO-term enrichment analysis indicated a growing response resembling that of a pathogen or pest attack, escalating to a huge transcriptome response in shoot heads at mid-flowering. Grouping differentially expressed genes within this tissue into MapMan functional bins indicated enrichment of genes related to wounding, jasmonic acid and WRKY transcription factors. Individual candidate genes for controlling the "flowering-without-seed-setting" phenotype from within MapMan biotic stress bins include those of the metacaspase family, which have been implicated in orchestrating programmed cell death. Overall temporal expression patterns observed here imply a dynamic response to B-deficiency, first increasing expression of B transporters before recruiting various biotic stress-related pathways to coordinate targeted cell death, likely in response to as yet unidentified B-deficiency induced damage-associated molecular patterns (DAMPs). This response indicates new pathways to target and dissect to control B-deficiency-induced flower abortion and to develop more B-efficient crops.
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Affiliation(s)
- Bart Verwaaijen
- Computational Biology, Faculty for Biology, Bielefeld University, Bielefeld, Germany
- Center of Biotechnology, Bielefeld University, Bielefeld, Germany
- Department of Genetics, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
| | - Thomas David Alcock
- Crop Physiology, School of Life Sciences, Technical University of Munich, Freising, Germany
- HEF World Agricultural Systems Center, Technical University of Munich, Freising, Germany
| | - Christoph Spitzer
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Germany
| | - Zhaojun Liu
- Crop Physiology, School of Life Sciences, Technical University of Munich, Freising, Germany
- HEF World Agricultural Systems Center, Technical University of Munich, Freising, Germany
| | - Anne Fiebig
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Germany
| | - Manuela Désirée Bienert
- HEF World Agricultural Systems Center, Technical University of Munich, Freising, Germany
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Germany
| | - Andrea Bräutigam
- Computational Biology, Faculty for Biology, Bielefeld University, Bielefeld, Germany
- Center of Biotechnology, Bielefeld University, Bielefeld, Germany
| | - Gerd Patrick Bienert
- Crop Physiology, School of Life Sciences, Technical University of Munich, Freising, Germany
- HEF World Agricultural Systems Center, Technical University of Munich, Freising, Germany
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14
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Kilercioglu S, Atli G, Evliyaoglu E, Buyukdeveci ME, Aydın F, Sangun L, Dikel S, Cengizler I, Ozdes A. The effects of 100 nm pure boron nanoparticles on the primary antioxidant system of Nile tilapia (Oreochromisniloticus). Chemosphere 2023; 339:139727. [PMID: 37541441 DOI: 10.1016/j.chemosphere.2023.139727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 08/01/2023] [Accepted: 08/02/2023] [Indexed: 08/06/2023]
Abstract
In this study, the effects of 100 nm boron nanoparticles (B-NPs) on the primary antioxidant status of Nile tilapia were researched via analysis of enzyme activities and related gene expressions. This is a new study which focuses on the relationship between B-NPs and oxidative stress that contribute to the literature in terms of its scope. Fish (n = 15) for each group were exposed to three different concentrations as 5, 25 (n2) and 125 (n3) mg/L during 96 h to see the response of the primary antioxidant system. According to the results, SOD expressions differed in all treatment groups compared to the control group (P < 0.05). CAT expressions were different in 5 and 125 mg/L groups compared to control and 25 mg/L groups (P < 0.05). GPX expressions were only different in 125 mg/L group (P < 0.05). The changes in enzyme activities of SOD and CAT were significantly different in 25 mg/L groups. GPX enzyme activities were not significant (P > 0.05). TBARS concentrations in 25 mg/L group were significantly different from those in the control and 125 mg/L groups (P < 0.05).
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Affiliation(s)
- Serdar Kilercioglu
- Çukurova University, Faculty of Fisheries, Department of Aquaculture, 01250, Adana, Turkey; Çukurova University, Biotechnology Research and Application Center, 01250, Adana, Turkey.
| | - Gülüzar Atli
- Çukurova University, Biotechnology Research and Application Center, 01250, Adana, Turkey; Çukurova University, Vocational School of Imamoglu, 01700, Adana, Turkey
| | - Ece Evliyaoglu
- Çukurova University, Faculty of Fisheries, Department of Aquaculture, 01250, Adana, Turkey
| | - Miray E Buyukdeveci
- Çukurova University, Faculty of Fisheries, Department of Aquaculture, 01250, Adana, Turkey
| | - Fatmagun Aydın
- Çukurova University, Biotechnology Research and Application Center, 01250, Adana, Turkey
| | - Levent Sangun
- Çukurova University, Vocational School of Adana, 01160, Adana, Turkey
| | - Suat Dikel
- Çukurova University, Faculty of Fisheries, Department of Aquaculture, 01250, Adana, Turkey
| | - Ibrahim Cengizler
- Çukurova University, Faculty of Fisheries, Department of Aquaculture, 01250, Adana, Turkey
| | - Ali Ozdes
- Çukurova University, Faculty of Fisheries, Department of Aquaculture, 01250, Adana, Turkey
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15
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Tao L, Zhu H, Huang Q, Xiao X, Luo Y, Wang H, Li Y, Li X, Liu J, Jásik J, Chen Y, Shabala S, Baluška F, Shi W, Shi L, Yu M. PIN2/3/4 auxin carriers mediate root growth inhibition under conditions of boron deprivation in Arabidopsis. Plant J 2023; 115:1357-1376. [PMID: 37235684 DOI: 10.1111/tpj.16324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 04/09/2023] [Accepted: 05/15/2023] [Indexed: 05/28/2023]
Abstract
The mechanistic basis by which boron (B) deprivation inhibits root growth via the mediation of root apical auxin transport and distribution remains elusive. This study showed that B deprivation repressed root growth of wild-type Arabidopsis seedlings, which was related to higher auxin accumulation (observed with DII-VENUS and DR5-GFP lines) in B-deprived roots. Boron deprivation elevated the auxin content in the root apex, coinciding with upregulation of the expression levels of auxin biosynthesis-related genes (TAA1, YUC3, YUC9, and NIT1) in shoots, but not in root apices. Phenotyping experiments using auxin transport-related mutants revealed that the PIN2/3/4 carriers are involved in root growth inhibition caused by B deprivation. B deprivation not only upregulated the transcriptional levels of PIN2/3/4, but also restrained the endocytosis of PIN2/3/4 carriers (observed with PIN-Dendra2 lines), resulting in elevated protein levels of PIN2/3/4 in the plasma membrane. Overall, these results suggest that B deprivation not only enhances auxin biosynthesis in shoots by elevating the expression levels of auxin biosynthesis-related genes but also promotes the polar auxin transport from shoots to roots by upregulating the gene expression levels of PIN2/3/4, as well as restraining the endocytosis of PIN2/3/4 carriers, ultimately resulting in auxin accumulation in root apices and root growth inhibition.
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Affiliation(s)
- Lin Tao
- International Research Center for Environmental Membrane Biology & Department of Horticulture, Foshan University, Foshan, 528000, China
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430000, China
- Microelement Research Center/Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, Wuhan, 430070, China
| | - Hu Zhu
- International Research Center for Environmental Membrane Biology & Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Qiuyu Huang
- International Research Center for Environmental Membrane Biology & Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Xiaoyi Xiao
- International Research Center for Environmental Membrane Biology & Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Ying Luo
- International Research Center for Environmental Membrane Biology & Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Hui Wang
- International Research Center for Environmental Membrane Biology & Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Yalin Li
- International Research Center for Environmental Membrane Biology & Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Xuewen Li
- International Research Center for Environmental Membrane Biology & Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Jiayou Liu
- International Research Center for Environmental Membrane Biology & Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Ján Jásik
- Institute of Botany, Plant Science and Biodiversity Center, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Yinglong Chen
- School of Agriculture and Environment & Institute of Agriculture, University of Western Australia, Perth, 6009, Australia
| | - Sergey Shabala
- International Research Center for Environmental Membrane Biology & Department of Horticulture, Foshan University, Foshan, 528000, China
- Tasmanian Institute for Agriculture, College of Science and Engineering, University of Tasmania, Hobart, Tasmania, 7001, Australia
- School of Biological Sciences, University of Western Australia, Perth, 6009, Australia
| | - František Baluška
- Institute of Cellular and Molecular Botany, University of Bonn, D-53115, Bonn, Germany
| | - Weiming Shi
- International Research Center for Environmental Membrane Biology & Department of Horticulture, Foshan University, Foshan, 528000, China
- Institute of Soil Science Chinese Academy of Sciences, State Key Laboratory of Soil and Sustainable Agriculture, Nanjing, 210018, China
| | - Lei Shi
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430000, China
- Microelement Research Center/Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, Wuhan, 430070, China
| | - Min Yu
- International Research Center for Environmental Membrane Biology & Department of Horticulture, Foshan University, Foshan, 528000, China
- Institute of Botany, Plant Science and Biodiversity Center, Slovak Academy of Sciences, Bratislava, Slovakia
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16
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Lu K, Yan L, Riaz M, Babar S, Hou J, Zhang Y, Jiang C. "Exogenous boron alleviates salt stress in cotton by maintaining cell wall structure and ion homeostasis". Plant Physiol Biochem 2023; 201:107858. [PMID: 37390694 DOI: 10.1016/j.plaphy.2023.107858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 06/07/2023] [Accepted: 06/21/2023] [Indexed: 07/02/2023]
Abstract
Salt stress is considered one of the major abiotic stresses that impair agricultural production, while boron (B) is indispensable for plant cell composition and has also been found to alleviate salt stress. However, the regulatory mechanism of how B improves salt resistance via cell wall modification remains unknown. The present study primarily focused on investigating the mechanisms of B-mediated alleviation of salt stress in terms of osmotic substances, cell wall structure and components and ion homeostasis. The results showed that salt stress hindered plant biomass and root growth in cotton. Moreover, salt stress disrupted the morphology of the root cell wall as evidenced by Transmission Electron Microscope (TEM) analysis. The presence of B effectively alleviated these adverse effects, promoting the accumulation of proline, soluble protein, and soluble sugar, while reducing the content of Na+ and Cl- and augmenting the content of K+ and Ca2+ in the roots. Furthermore, X-ray diffraction (XRD) analysis demonstrated a decline in the crystallinity of roots cellulose. Boron supply also reduced the contents of chelated pectin and alkali-soluble pectin. Fourier-transform infrared spectroscopy (FTIR) analysis further affirmed that exogenous B led to a decline in cellulose accumulation. In conclusion, B offered a promising strategy for mitigating the adverse impact of salt stress and enhancing plant growth by countering osmotic and ionic stresses and modifying root cell wall components. This study may provide invaluable insights into the role of B in ameliorating the effects of salt stress on plants, which could have implications for sustainable agriculture.
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Affiliation(s)
- Kesong Lu
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Lei Yan
- Institute of Biomedical Engineering, College of Life Science, Qingdao University, Qingdao, Shandong, 266071, China
| | - Muhammad Riaz
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, China
| | - Saba Babar
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Jiayu Hou
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Yali Zhang
- The Key Laboratory of Oasis Eco-agriculture, Xinjiang Production and Construction Corps, Shihezi University, Shihezi, Xinjiang, 832000, PR China
| | - Cuncang Jiang
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, China; The Key Laboratory of Oasis Eco-agriculture, Xinjiang Production and Construction Corps, Shihezi University, Shihezi, Xinjiang, 832000, PR China.
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17
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Karatekeli S, Demirel HH, Zemheri-Navruz F, Ince S. Boron exhibits hepatoprotective effect together with antioxidant, anti-inflammatory, and anti-apoptotic pathways in rats exposed to aflatoxin B1. J Trace Elem Med Biol 2023; 77:127127. [PMID: 36641954 DOI: 10.1016/j.jtemb.2023.127127] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 11/25/2022] [Accepted: 01/03/2023] [Indexed: 01/09/2023]
Abstract
BACKGROUND Aflatoxins are one of the important environmental factors that pose a risk to living organisms. On the other hand, it has been indicated in research that boron intake has beneficial effects on organisms. In this study, the effect of boron was disclosed in rats exposed to aflatoxin B1 (AFB1), which poses a toxicological risk. METHODS A total of 36 male Sprague Dawley rats were separated into 6 groups and 0.125 mg/kg bw AFB1 and 5, 10, or 20 mg/kg bw doses of boron were given orally for 21 days. End of the experiment, biochemical, molecular, and histopathological analyses were performed. RESULTS AFB1 treatment increased liver enzyme activities (AST, ALT, and ALP) and malondialdehyde level; on the other hand, it caused a decrease in glutathione level, superoxide dismutase and catalase activities. In addition, the mRNA expression levels of apoptotic (Bax, Caspase-3, Caspase-8, Caspase-9, and p53) and pro-inflammatory (TNF-α and NFκB) genes increased and the mRNA expression of the anti-apoptotic gene (Bcl-2) decreased in liver tissue. Also, AFB1 treatment increased DNA damage and caused histopathological alterations in the liver tissue. Additionally, boron applications at doses of 5, 10, and 20 mg/kg bw given with AFB1 reversed these negative changes. CONCLUSIONS As a result, boron exhibited hepatoprotective effect together with antioxidant, anti-inflammatory, and anti-apoptotic effects against AFB1-induced liver damage.
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Affiliation(s)
| | | | - Fahriye Zemheri-Navruz
- Bartın University, Faculty of Science, Department of Molecular Biology and Genetics, Bartın, Turkey
| | - Sinan Ince
- Afyon Kocatepe University, Faculty of Veterinary Medicine, Department of Pharmacology and Toxicology, Afyonkarahisar, Turkey.
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18
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Dong Z, Liu X, Srivastava AK, Tan Q, Low W, Yan X, Wu S, Sun X, Hu C. Boron deficiency mediates plant-insect (Diaphorima citri) interaction by disturbing leaf volatile organic compounds and cell wall functions. Tree Physiol 2023; 43:597-610. [PMID: 36611002 DOI: 10.1093/treephys/tpac140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 11/26/2022] [Accepted: 12/10/2022] [Indexed: 05/03/2023]
Abstract
Nutritional enhancement has been reported to effectively relieve infected symptoms of Huanglongbing, one of the most destructive diseases of citrus. However, few studies focused on the role of plant nutrition in citrus plant-vector (Asian citrus psyllid; Diaphorina citri Kuwayama) interactions, which is regarded as an important part to develop an effective management strategy. METHOD In the present study, a hydroponic culture was carried out to evaluate the effects of boron deficiency on psyllid feeding process to decode the molecular/biochemical basis of host-psyllid interaction. RESULTS Boron deficiency was observed to play a major role in accelerating the release of volatile organic compounds, especially methyl salicylate, affecting the shikimic acid pathway through an elevated synthesis of shikimic acid, l-phenylalanine, 3-phenylpyruvic acid and salicylic acid. These changes made citrus leaf more attractive to psyllid adults. Meanwhile, boron deficiency evidently decreased the boron concentration of leaf cell wall fractions, thereby, weakened the structural stability by affecting pectin and cellulose formations. A significant decrease of cell wall mechanical strength was observed in boron-deficiency leaf, which could be the critical reasons to reduce piercing and to increase phloem ingestion during psyllid feeding. CONCLUSION Our study demonstrated that boron deficiency facilitated the feeding behavior of psyllid adults through elevated release of methyl salicylate, coupled with weakened mechanical properties of cell wall.
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Affiliation(s)
- ZhiHao Dong
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
- Hubei Provincial Engineering Laboratory for New Fertilizers, Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture, Microelement Research Center, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - XiaoDong Liu
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
- Hubei Provincial Engineering Laboratory for New Fertilizers, Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture, Microelement Research Center, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Anoop Kumar Srivastava
- Indian Council of Agricultural Research-Central Citrus Research Institute, Nagpur, Maharashtra 440033, India
| | - QiLing Tan
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
- Hubei Provincial Engineering Laboratory for New Fertilizers, Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture, Microelement Research Center, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Wei Low
- Ganzhou Citrus Research Institute, Ganzhou, Jiangxi Province 341000, PR China
| | - Xiang Yan
- Ganzhou Citrus Research Institute, Ganzhou, Jiangxi Province 341000, PR China
| | - SongWei Wu
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - XueCheng Sun
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
- Hubei Provincial Engineering Laboratory for New Fertilizers, Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture, Microelement Research Center, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - ChengXiao Hu
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
- Hubei Provincial Engineering Laboratory for New Fertilizers, Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture, Microelement Research Center, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
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19
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Tao L, Xiao X, Huang Q, Zhu H, Feng Y, Li Y, Li X, Guo Z, Liu J, Wu F, Pirayesh N, Mahmud S, Shen RF, Shabala S, Baluška F, Shi L, Yu M. Boron supply restores aluminum-blocked auxin transport by the modulation of PIN2 trafficking in the root apical transition zone. Plant J 2023; 114:176-192. [PMID: 36721978 DOI: 10.1111/tpj.16129] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 01/07/2023] [Accepted: 01/22/2023] [Indexed: 06/18/2023]
Abstract
The supply of boron (B) alleviates the toxic effects of aluminum (Al) on root growth; however, the mechanistic basis of this process remains elusive. This study filled this knowledge gap, demonstrating that boron modifies auxin distribution and transport in Al-exposed Arabidopsis roots. In B-deprived roots, treatment with Al induced an increase in auxin content in the root apical meristem zone (MZ) and transition zone (TZ), whereas in the elongation zone (EZ) the auxin content was decreased beyond the level required for adequate growth. These distribution patterns are explained by the fact that basipetal auxin transport from the TZ to the EZ was disrupted by Al-inhibited PIN-FORMED 2 (PIN2) endocytosis. Experiments involving the modulation of protein biosynthesis by cycloheximide (CHX) and transcriptional regulation by cordycepin (COR) demonstrated that the Al-induced increase of PIN2 membrane proteins was dependent upon the inhibition of PIN2 endocytosis, rather than on the transcriptional regulation of the PIN2 gene. Experiments reporting on the profiling of Al3+ and PIN2 proteins revealed that the inhibition of endocytosis of PIN2 proteins was the result of Al-induced limitation of the fluidity of the plasma membrane. The supply of B mediated the turnover of PIN2 endosomes conjugated with indole-3-acetic acid (IAA), and thus restored the Al-induced inhibition of IAA transport through the TZ to the EZ. Overall, the reported results demonstrate that boron supply mediates PIN2 endosome-based auxin transport to alleviate Al toxicity in plant roots.
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Affiliation(s)
- Lin Tao
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, China
- International Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, 528000, China
- Microelement Research Center/Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xiaoyi Xiao
- International Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Qiuyu Huang
- International Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Hu Zhu
- International Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Yingming Feng
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, China
- International Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, 528000, China
- Microelement Research Center/Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yalin Li
- International Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Xuewen Li
- International Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Zhishan Guo
- International Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Jiayou Liu
- International Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Feihua Wu
- International Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, 528000, China
| | - Niloufar Pirayesh
- Institute of Cellular and Molecular Botany, University of Bonn, D-53115, Bonn, Germany
| | - Sakil Mahmud
- Institute of Cellular and Molecular Botany, University of Bonn, D-53115, Bonn, Germany
| | - Ren Fang Shen
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing, 210008, China
| | - Sergey Shabala
- Microelement Research Center/Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, Wuhan, 430070, China
- Tasmanian Institute for Agriculture, College of Science and Engineering, University of Tasmania, Hobart, Tasmania, 7001, Australia
- School of Biological Sciences, University of Western Australia, Perth, 6009, Australia
| | - František Baluška
- Institute of Cellular and Molecular Botany, University of Bonn, D-53115, Bonn, Germany
| | - Lei Shi
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, China
- Microelement Research Center/Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, Wuhan, 430070, China
| | - Min Yu
- International Research Center for Environmental Membrane Biology and Department of Horticulture, Foshan University, Foshan, 528000, China
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20
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Wang X, Song B, Wu Z, Zhao X, Song X, Adil MF, Riaz M, Lal MK, Huang W. Insights into physiological and molecular mechanisms underlying efficient utilization of boron in different boron efficient Beta vulgaris L. varieties. Plant Physiol Biochem 2023; 197:107619. [PMID: 36931121 DOI: 10.1016/j.plaphy.2023.02.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/10/2023] [Accepted: 02/26/2023] [Indexed: 06/18/2023]
Abstract
Boron (B) deficiency and consequent limitation of plant yield and quality, particularly of sugar beet (Beta vulgaris L.) has emerged as a maior problem,which is exacerbating due to cultivar dependent variability in B deficiency tolerance. Pertinently, the current study was designed to elucidate the physiological and molecular mechanisms of B deficiency tolerance of sugar beet varieties KWS1197 (B-efficient variety) and KWS0143 (B-inefficient variety). A hydroponic experiment was conducted employing two B levels B0.1 (0.1 μM L-1 H3BO3, deficiency) and B50 (50 μM L-1 H3BO3, adequacy). Boron deficiency greatly inhibited root elongation and dry matter accumulation; however, formation of lateral roots stimulated and average root diameter was increased. Results exhibited that by up-regulating the expression of NIP5-1, NIP6-1, and BOR2, and suppressing the expression of BOR4, cultivar KWS1197, in contrast to KWS0143, managed to transfer sufficient amount of B to the aboveground plant parts, facilitating its effective absorption and utilization. Accumulation of malondialdehyde (MDA) and reactive oxygen species (ROS) was also mellowed in KWS1197, as well as the oxidative damage to root cells via preservation of the antioxidant enzyme system. Additionally, the expression of essential enzymes for biosynthesis of phytohormone (PYR/PYL) and lignin (COMT, POX, and CCoAOMT) were found to be highly up-regulated in KWS1197. Deductively, through effective B absorption and transportation, balanced nutrient accumulation, and an activated antioxidant enzyme system, B-efficient cultivars may cope with B deficiency while retaining a superior cellular structure to enable root development.
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Affiliation(s)
- Xiangling Wang
- Sugar Beet Engineering Research Center of Heilongjiang Province, College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin, 150080, China
| | - Baiquan Song
- Sugar Beet Engineering Research Center of Heilongjiang Province, College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin, 150080, China.
| | - Zhenzhen Wu
- Sugar Beet Engineering Research Center of Heilongjiang Province, College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin, 150080, China
| | - Xiaoyu Zhao
- Sugar Beet Engineering Research Center of Heilongjiang Province, College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin, 150080, China
| | - Xin Song
- Sugar Beet Engineering Research Center of Heilongjiang Province, College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin, 150080, China
| | - Muhammad Faheem Adil
- Zhejiang Key Laboratory of Crop Germplasm Resources, Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Muhammad Riaz
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, China
| | - Milan Kumar Lal
- ICAR-Central Potato Research Institute, Shimla, Himachal Pradesh, India
| | - Wengong Huang
- Heilongjiang Academy of Agricultural Sciences, Safety and Quality Institute of Agricultural Products, Harbin, 150086, China
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21
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Kato A, Kimura Y, Kurita Y, Chang MH, Kasai K, Fujiwara T, Hirata T, Doi H, Hirose S, Romero MF. Seawater fish use an electrogenic boric acid transporter, Slc4a11A, for boric acid excretion by the kidney. J Biol Chem 2023; 299:102740. [PMID: 36435196 PMCID: PMC9803922 DOI: 10.1016/j.jbc.2022.102740] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 11/20/2022] [Accepted: 11/21/2022] [Indexed: 11/24/2022] Open
Abstract
Boric acid is a vital micronutrient in animals; however, excess amounts are toxic to them. Little is known about whole-body boric acid homeostasis in animals. Seawater (SW) contains 0.4 mM boric acid, and since marine fish drink SW, their urinary system was used here as a model of the boric acid excretion system. We determined that the bladder urine of a euryhaline pufferfish (river pufferfish, Takifugu obscurus) acclimated to fresh water and SW contained 0.020 and 19 mM of boric acid, respectively (a 950-fold difference), indicating the presence of a powerful excretory renal system for boric acid. Slc4a11 is a potential animal homolog of the plant boron transporter BOR1; however, mammalian Slc4a11 mediates H+ (OH-) conductance but does not transport boric acid. We found that renal expression of the pufferfish paralog of Slc4a11, Slc4a11A, was markedly induced after transfer from fresh water to SW, and Slc4a11A was localized to the apical membrane of kidney tubules. When pufferfish Slc4a11A was expressed in Xenopus oocytes, exposure to media containing boric acid and a voltage clamp elicited whole-cell outward currents, a marked increase in pHi, and increased boron content. In addition, the activity of Slc4a11A was independent of extracellular Na+. These results indicate that pufferfish Slc4a11A is an electrogenic boric acid transporter that functions as a B(OH)4- uniporter, B(OH)3-OH- cotransporter, or B(OH)3/H+ exchanger. These observations suggest that Slc4a11A is involved in the kidney tubular secretion of boric acid in SW fish, probably induced by the negative membrane potential and low pH of urine.
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Affiliation(s)
- Akira Kato
- School of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Japan; Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Yokohama, Japan; Center for Biological Resources and Informatics, Tokyo Institute of Technology, Yokohama, Japan; Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA.
| | - Yuuri Kimura
- Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Yokohama, Japan
| | - Yukihiro Kurita
- Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Yokohama, Japan
| | - Min-Hwang Chang
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA
| | - Koji Kasai
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Toru Fujiwara
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Taku Hirata
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA
| | - Hiroyuki Doi
- Nifrel, Osaka Aquarium Kaiyukan Co, Ltd, Osaka, Japan
| | - Shigehisa Hirose
- Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Yokohama, Japan
| | - Michael F Romero
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; Nephrology & Hypertension, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA; O'Brien Urology Research Center, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA.
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22
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Novopashina DS, Dymova MA, Davydova AS, Meschaninova MI, Malysheva DO, Kuligina EV, Richter VA, Kolesnikov IA, Taskaev SY, Vorobyeva MA. Aptamers for Addressed Boron Delivery in BNCT: Effect of Boron Cluster Attachment Site on Functional Activity. Int J Mol Sci 2022; 24:ijms24010306. [PMID: 36613750 PMCID: PMC9820356 DOI: 10.3390/ijms24010306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
Among the great variety of anti-cancer therapeutic strategies, boron neutron capture therapy (BNCT) represents a unique approach that doubles the targeting accuracy due to the precise positioning of a neutron beam and the addressed delivery of boron compounds. We have recently demonstrated the principal possibility of using a cell-specific 2'-F-RNA aptamer for the targeted delivery of boron clusters for BNCT. In the present study, we evaluated the amount of boron-loaded aptamer inside the cell via two independent methods: quantitative real-time polymerase chain reaction and inductive coupled plasma-atomic emission spectrometry. Both assays showed that the internalized boron level inside the cell exceeds 1 × 109 atoms/cell. We have synthesized closo-dodecaborate conjugates of 2'-F-RNA aptamers GL44 and Waz, with boron clusters attached either at the 3'- or at the 5'-end. The influence of cluster localization was evaluated in BNCT experiments on U-87 MG human glioblastoma cells and normal fibroblasts and subsequent analyses of cell viability via real-time cell monitoring and clonogenic assay. Both conjugates of GL44 aptamer provided a specific decrease in cell viability, while only the 3'-conjugate of the Waz aptamer showed the same effect. Thus, an individual adjustment of boron cluster localization is required for each aptamer. The efficacy of boron-loaded 2'-F-RNA conjugates was comparable to that of 10B-boronophenylalanine, so this type of boron delivery agent has good potential for BNCT due to such benefits as precise targeting, low toxicity and the possibility to use boron clusters made of natural, unenriched boron.
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Affiliation(s)
- Darya S. Novopashina
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Maya A. Dymova
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Anna S. Davydova
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Mariya I. Meschaninova
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Daria O. Malysheva
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Elena V. Kuligina
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Vladimir A. Richter
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Iaroslav A. Kolesnikov
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of Russian Academy of Sciences, 630090 Novosibirsk, Russia
- Budker Institute of Nuclear Physics, Siberian Division of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Sergey Yu. Taskaev
- Budker Institute of Nuclear Physics, Siberian Division of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
- Department of Physics, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Mariya A. Vorobyeva
- Institute of Chemical Biology and Fundamental Medicine, Siberian Division of Russian Academy of Sciences, 630090 Novosibirsk, Russia
- Correspondence:
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23
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Gui JY, Rao S, Huang X, Liu X, Cheng S, Xu F. Interaction between selenium and essential micronutrient elements in plants: A systematic review. Sci Total Environ 2022; 853:158673. [PMID: 36096215 DOI: 10.1016/j.scitotenv.2022.158673] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 09/04/2022] [Accepted: 09/07/2022] [Indexed: 06/15/2023]
Abstract
Nutrient imbalance (i.e., deficiency and toxicity) of microelements is an outstanding environmental issue that influences each aspect of ecosystems. Although the crucial roles of microelements in entire lifecycle of plants have been widely acknowledged, the effective control of microelements is still neglected due to the narrow safe margins. Selenium (Se) is an essential element for humans and animals. Although it is not believed to be indispensable for plants, many literatures have reported the significance of Se in terms of the uptake, accumulation, and detoxification of essential microelements in plants. However, most papers only concerned on the antagonistic effect of Se on metal elements in plants and ignored the underlying mechanisms. There is still a lack of systematic review articles to summarize the comprehensive knowledge on the connections between Se and microelements in plants. In this review, we conclude the bidirectional effects of Se on micronutrients in plants, including iron, zinc, copper, manganese, nickel, molybdenum, sodium, chlorine, and boron. The regulatory mechanisms of Se on these micronutrients are also analyzed. Moreover, we further emphasize the role of Se in alleviating element toxicity and adjusting the concentration of micronutrients in plants by altering the soil conditions (e.g., adsorption, pH, and organic matter), promoting microbial activity, participating in vital physiological and metabolic processes, generating element competition, stimulating metal chelation, organelle compartmentalization, and sequestration, improving the antioxidant defense system, and controlling related genes involved in transportation and tolerance. Based on the current understanding of the interaction between Se and these essential elements, future directions for research are suggested.
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Affiliation(s)
- Jia-Ying Gui
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China
| | - Shen Rao
- School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China
| | - Xinru Huang
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China
| | - Xiaomeng Liu
- School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China
| | - Shuiyuan Cheng
- School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China.
| | - Feng Xu
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China.
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24
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Wei Y, Yi JK, Chen J, Huang H, Wu L, Yin X, Wang J. Boron attenuated diethylnitrosamine induced hepatocellular carcinoma in C3H/HeN mice via alteration of oxidative stress and apoptotic pathway. J Trace Elem Med Biol 2022; 74:127052. [PMID: 35952449 DOI: 10.1016/j.jtemb.2022.127052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 08/02/2022] [Indexed: 11/25/2022]
Abstract
BACKGROUND Reactive oxygen species (ROS) regulate various cellular signaling pathways and play an important role in the occurrence and development of hepatocellular carcinoma (HCC). Excessive accumulation of ROS can promote HCC. Trace element boron has a wide range of biological effects, including anti-oxidation, anti-tumor, immune regulation and so on. METHODS In this study, we investigated the anticancer effects of Sodium tetraborate decahydrate (NaB) in improving oxidative stress and regulating apoptosis in mouse HCC. HCC was induced by intraperitoneal injection of diethylnitrosamine (DEN) 25 mg/kg once at the age of 2 weeks and 100 mg/kg again at the age of 6 weeks in healthy C3H/HeN male mice. At 8 weeks of age, different concentrations of NaB were given intragastric treatment once a day for 20 weeks. Oxidative stress markers, antioxidant status and liver enzyme analysis were detected to evaluate the effectiveness of NaB in inhibiting cancer induction. The anticancer properties of NaB were confirmed by observing the liver index and morphology, and analyzing the expression of apoptotic genes and proteins. Our results showed that boron significantly reduced the production of ROS, and down-regulated the expression of the anti-apoptotic protein Bcl2 and up-regulated the expression of the pro-apoptotic proteins P53, Bax, and caspase 3. CONCLUSION Boron has great potential to reduce the effects of oxidative stress, which may help it inhibit the progression of HCC.
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Affiliation(s)
- Ying Wei
- Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei 442008, China
| | - Jin-Ke Yi
- Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Rehabilitation department, Shiyan, Hubei 442008, China
| | - Jun Chen
- Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei 442008, China
| | - Huimin Huang
- Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei 442008, China
| | - Lun Wu
- Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei 442008, China
| | - Xufeng Yin
- Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Children's Medical Center, Shiyan, Hubei 442008, China.
| | - Jinjin Wang
- Sinopharm Dongfeng General Hospital, Hubei University of Medicine, Shiyan, Hubei 442008, China.
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25
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Dong X, Jiang C, Wei S, Jiao H, Ran K, Dong R, Wang S. The regulation of plant lignin biosynthesis under boron deficiency conditions. Physiol Plant 2022; 174:e13815. [PMID: 36319444 DOI: 10.1111/ppl.13815] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 09/24/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
Boron (B) is a required micronutrient that is crucial for the growth and development of vascular plants. A deficiency in B is generally regarded as a limiting factor affecting agricultural production in many parts of the world. Boron is involved in the metabolism of plant lignin and additionally, B deficiency can lead to the excessive accumulation of lignin in plant leaves/roots, resulting in corking symptoms and inhibited growth. However, the effect of B on lignin biosynthesis is not as well characterized as the specific function of B in the cell wall. In this article, recent studies on the regulation of lignin biosynthesis in plants under low-B stress conditions are reviewed. Moreover, the following possible mechanisms underlying the lignin synthesis promoted by B deficiency are discussed: (1) the accumulation of phenolic substances during B deficiency directly enhances lignin synthesis; (2) excess H2 O2 has a dual function to the enhancement of lignin under boron deficiency conditions, serving as a substrate and a signaling molecule; and (3) B deficiency regulates lignin synthesis through the expression of genes encoding transcription factors such as MYBs. Finally, future studies regarding physiology, molecules, and transcriptional regulation may reveal the mechanism(s) mediating the relationship between lignin synthesis and B deficiency. This review provides new insights and important references for future research and the enhancement of plant B nutrition.
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Affiliation(s)
- Xiaochang Dong
- Shandong Institute of Pomology, Shandong Academy of Agricultural Sciences, Tai'an, P.R. China
| | - Cuncang Jiang
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, P.R. China
| | - Shuwei Wei
- Shandong Institute of Pomology, Shandong Academy of Agricultural Sciences, Tai'an, P.R. China
| | - Huijun Jiao
- Shandong Institute of Pomology, Shandong Academy of Agricultural Sciences, Tai'an, P.R. China
| | - Kun Ran
- Shandong Institute of Pomology, Shandong Academy of Agricultural Sciences, Tai'an, P.R. China
| | - Ran Dong
- Shandong Institute of Pomology, Shandong Academy of Agricultural Sciences, Tai'an, P.R. China
| | - Shaomin Wang
- Shandong Institute of Pomology, Shandong Academy of Agricultural Sciences, Tai'an, P.R. China
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26
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Tsednee M, Tanaka M, Giehl RF, von Wirén N, Fujiwara T. Involvement of NGATHA-Like 1 Transcription Factor in Boron Transport under Low and High Boron Conditions. Plant Cell Physiol 2022; 63:1242-1252. [PMID: 35876035 DOI: 10.1093/pcp/pcac099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 06/20/2022] [Accepted: 07/24/2022] [Indexed: 06/15/2023]
Abstract
NGATHA-Like 1 (NGAL1) transcription factor has been identified as a gene regulated through AUG-stop-mediated boron (B)-dependent translation stall; however, its function in B response remains unknown. Here, we show that NGAL1 plays an important role in the maintenance of B transport under both low- and high-B conditions in Arabidopsis thaliana. NGAL1 mRNA is accumulated predominantly in shoots in response to B stress. Independent ngal1 mutants carrying transferred DNA (T-DNA) and Ds-transposon insertions exhibit reduced B concentrations in aerial tissues and produce shortened and reduced number of siliques when B supply is limited. Furthermore, the expression of B transporter genes including nodulin 26-like intrinsic protein 6; 1 (NIP6;1), NIP5;1, NIP7;1 and borate exporter 1 (BOR1) is significantly decreased in ngal1 mutants under low-B condition, suggesting that NGAL1 is required for the transcript accumulation of B transporter genes to facilitate B transport and distribution under B limitation. Under high-B condition, ngal1 mutants exhibit reduced growth and increased B concentration in their shoots. The accumulation of BOR4 mRNA, a B transporter required for B efflux to soil, is significantly reduced in roots of ngal1 plants under high-B condition, suggesting that NGAL1 is involved in the upregulation of BOR4 in response to excess B. Together, our results indicate that NGAL1 is involved in the transcriptional regulation of B transporter genes to facilitate B transport and distribution under both low- and high-B conditions.
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Affiliation(s)
- Munkhtsetseg Tsednee
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Yayoi, Bunkyo-ku, Tokyo, 113-8657 Japan
| | - Mayuki Tanaka
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Yayoi, Bunkyo-ku, Tokyo, 113-8657 Japan
| | - Ricardo Fh Giehl
- Department of Physiology and Cell Biology, Leibniz Institute of Plant Genetics and Crop Plant Research, Stadt Seeland, Gatersleben, 06466, Germany
| | - Nicolaus von Wirén
- Department of Physiology and Cell Biology, Leibniz Institute of Plant Genetics and Crop Plant Research, Stadt Seeland, Gatersleben, 06466, Germany
| | - Toru Fujiwara
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Yayoi, Bunkyo-ku, Tokyo, 113-8657 Japan
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27
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Yan L, Li S, Cheng J, Liu Y, Liu J, Jiang C. Boron contributes to excessive aluminum tolerance in trifoliate orange (Poncirus trifoliata (L.) Raf.) by inhibiting cell wall deposition and promoting vacuole compartmentation. J Hazard Mater 2022; 437:129275. [PMID: 35714543 DOI: 10.1016/j.jhazmat.2022.129275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 05/13/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
Boron (B) is an indispensable micronutrient for plant growth that can also alleviate aluminum (Al) toxicity. However, limited data are available on the underlying mechanisms behind this phenomenon. Here, we found that a certain range of B application could alleviate the inhibitory effects of Al toxicity on citrus. Transcriptome analysis revealed that several Al stress-responsive genes and pathways were differentially affected and enriched, such as coding for the secretion of organic acid and the distribution of Al in subcellular components after B addition. Specifically, B application enhanced rhizosphere pH and induced malate exudation by expressing PtALMT4 and PtALMT9 genes occurred in Al-treated root, which ultimately reduced the absorption of Al and coincided with down-regulated the expression of PtNrat1. Moreover, B supply suppressed the pectin methyl-esterase (PME) activity and displayed a lower level of PtPME2 expression, while enhanced the PtSTAR1 expression, which is responsible for reducing cell wall (CW) Al deposition. Boron addition enhanced the PtALS1 and PtALS3 expression, accompanied by a higher proportion of vacuolar Al compartmentation during Al exposure. Collectively, the protective effects of B on root injury induced by Al is mainly by subsiding the Al uptake in the root apoplast and compartmentalizing Al into vacuole.
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Affiliation(s)
- Lei Yan
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China; Key Laboratory of Horticultural Plant Biology, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China.
| | - Shuang Li
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China; Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China.
| | - Jin Cheng
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China.
| | - Yu Liu
- College of life sciences, Zhejiang University, Hangzhou 310058, PR China..
| | - Jihong Liu
- Key Laboratory of Horticultural Plant Biology, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China.
| | - Cuncang Jiang
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China; The Key Laboratory of Oasis Eco-agriculture, Xinjiang Production and Construction Corps, Shihezi University, Shihezi, PR China.
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28
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Mamani-Huarcaya BM, González-Fontes A, Navarro-Gochicoa MT, Camacho-Cristóbal JJ, Ceacero CJ, Herrera-Rodríguez MB, Cutire ÓF, Rexach J. Characterization of two Peruvian maize landraces differing in boron toxicity tolerance. Plant Physiol Biochem 2022; 185:167-177. [PMID: 35696891 DOI: 10.1016/j.plaphy.2022.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 05/31/2022] [Accepted: 06/02/2022] [Indexed: 06/15/2023]
Abstract
Boron (B) toxicity is a major agricultural problem that causes a considerable decrease in crop yield and quality. The soil in arid and semi-arid areas is often subjected to excessive B content. Southwestern Perú (department of Tacna) is characterized by high B levels in its agricultural land and irrigation water. This work analyzes the response of two local maize (Zea mays) landraces (Pachía and Sama) from Tacna to B toxicity. Both landraces were, therefore, grown in hydroponic media under control and B toxicity conditions, and after 10 days, seedlings were harvested and B content, B-transporter gene expressions, and several morphological and physiological parameters were determined. The leaf and root soluble B content was lower in Sama than in Pachía when both landraces were subjected to high B concentrations, which could be explained by its higher expression levels of B-efflux transporters. The capacity of Sama to maintain reduced levels of soluble B in its leaves and roots led to decreased leaf damage and higher photosynthetic and growth parameters under B toxicity conditions. These results support the proposal that Sama would perform better than Pachía under excessive B conditions, thus making it a more suitable landrace to be used in soils with toxic levels of B.
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Affiliation(s)
- Betty M Mamani-Huarcaya
- Departamento de Fisiología, Anatomía y Biología Celular, Universidad Pablo de Olavide, E-41013, Sevilla, Spain; Instituto Basadre de Investigación en Agrobiotecnología y Recursos Genéticos, Facultad Ciencias Agropecuarias, Universidad Nacional Jorge Basadre Grohmann, Tacna, Peru.
| | - Agustín González-Fontes
- Departamento de Fisiología, Anatomía y Biología Celular, Universidad Pablo de Olavide, E-41013, Sevilla, Spain.
| | - M Teresa Navarro-Gochicoa
- Departamento de Fisiología, Anatomía y Biología Celular, Universidad Pablo de Olavide, E-41013, Sevilla, Spain.
| | - Juan J Camacho-Cristóbal
- Departamento de Fisiología, Anatomía y Biología Celular, Universidad Pablo de Olavide, E-41013, Sevilla, Spain.
| | - Carlos J Ceacero
- Departamento de Fisiología, Anatomía y Biología Celular, Universidad Pablo de Olavide, E-41013, Sevilla, Spain.
| | - M Begoña Herrera-Rodríguez
- Departamento de Fisiología, Anatomía y Biología Celular, Universidad Pablo de Olavide, E-41013, Sevilla, Spain.
| | - Óscar Fernández Cutire
- Departamento de Agronomía, Facultad Ciencias Agropecuarias, Universidad Nacional Jorge Basadre Grohmann, Tacna, Peru.
| | - Jesús Rexach
- Departamento de Fisiología, Anatomía y Biología Celular, Universidad Pablo de Olavide, E-41013, Sevilla, Spain.
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29
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Biţă A, Scorei IR, Bălşeanu TA, Ciocîlteu MV, Bejenaru C, Radu A, Bejenaru LE, Rău G, Mogoşanu GD, Neamţu J, Benner SA. New Insights into Boron Essentiality in Humans and Animals. Int J Mol Sci 2022; 23:ijms23169147. [PMID: 36012416 PMCID: PMC9409115 DOI: 10.3390/ijms23169147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 08/12/2022] [Accepted: 08/14/2022] [Indexed: 11/19/2022] Open
Abstract
Boron (B) is considered a prebiotic chemical element with a role in both the origin and evolution of life, as well as an essential micronutrient for some bacteria, plants, fungi, and algae. B has beneficial effects on the biological functions of humans and animals, such as reproduction, growth, calcium metabolism, bone formation, energy metabolism, immunity, and brain function. Naturally organic B (NOB) species may become promising novel prebiotic candidates. NOB-containing compounds have been shown to be essential for the symbiosis between organisms from different kingdoms. New insights into the key role of NOB species in the symbiosis between human/animal hosts and their microbiota will influence the use of natural B-based colon-targeting nutraceuticals. The mechanism of action (MoA) of NOB species is related to the B signaling molecule (autoinducer-2-borate (AI-2B)) as well as the fortification of the colonic mucus gel layer with NOB species from B-rich prebiotic diets. Both the microbiota and the colonic mucus gel layer can become NOB targets. This paper reviews the evidence supporting the essentiality of the NOB species in the symbiosis between the microbiota and the human/animal hosts, with the stated aim of highlighting the MoA and targets of these species.
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Affiliation(s)
- Andrei Biţă
- Department of Biochemistry, BioBoron Research Institute, S.C. Natural Research S.R.L., 31B Dunării Street, 207465 Podari, Romania
- Department of Pharmacognosy & Phytotherapy, Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania
| | - Ion Romulus Scorei
- Department of Biochemistry, BioBoron Research Institute, S.C. Natural Research S.R.L., 31B Dunării Street, 207465 Podari, Romania
- Correspondence: ; Tel.: +40-351-407-543
| | - Tudor Adrian Bălşeanu
- Department of Physiology, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania
| | - Maria Viorica Ciocîlteu
- Department of Analytical Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania
| | - Cornelia Bejenaru
- Department of Pharmaceutical Botany, Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania
| | - Antonia Radu
- Department of Pharmaceutical Botany, Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania
| | - Ludovic Everard Bejenaru
- Department of Pharmacognosy & Phytotherapy, Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania
| | - Gabriela Rău
- Department of Organic Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania
| | - George Dan Mogoşanu
- Department of Pharmacognosy & Phytotherapy, Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania
| | - Johny Neamţu
- Department of Physics, Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania
| | - Steven A. Benner
- Foundation for Applied Molecular Evolution (FfAME), 13709 Progress Avenue, Room N112, Alachua, FL 32615, USA
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30
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Yan L, Li S, Cheng J, Zhang Y, Jiang C. Boron-mediated lignin metabolism in response to aluminum toxicity in citrus (Poncirus trifoliata (L.) Raf.) root. Plant Physiol Biochem 2022; 185:1-12. [PMID: 35640496 DOI: 10.1016/j.plaphy.2022.05.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 05/16/2022] [Accepted: 05/18/2022] [Indexed: 06/15/2023]
Abstract
Aluminum (Al) toxicity has conspicuous detrimental effects on citrus production whereas boron (B) has been shown to alleviate its toxicity. Lignin plays a critical role in the cell wall extensibility and root elongation under stressed conditions. Hence, the interaction between B and Al on cell wall structure and lignin-related metabolic pathway was investigated in root of trifoliate orange (Poncirus trifoliata (L.) Raf.) seedlings. The results showed B supply considerably decreased the Al content in root, particularly in cell wall, and reduced Al-induced damage on growth-related parameters and thickness of cell wall. Boron application decreased the hydrogen peroxide (H2O2), malondialdehyde (MDA), and lignin contents in the Al-treated root, which prevents the inhibitory effects of Al on the root length. Moreover, metabonomics results showed that B addition resulted in the reduction of metabolites involved in the lignin biosynthesis pathways (phenylpropanoid metabolic) i.e., shikimic acid, tyrosine, caffeic acid, chlorogenic acid, coniferyl alcohol, sinapinic acid, sinapaldehyde, and sinapyl alcohol, as well as distinctively restrain the activities of lignin biosynthesis-related enzymes (4-coumarate-CoA ligase (4CL), cinnamyl-alcohol dehydrogenase (CAD)) under Al toxicity. Collectively, our findings suggest that the positive effects of B on the resistance of Al toxicity may be it reduces Al accumulation in the cell wall, lignin biosynthesis, and cell wall thickness, thereby increasing the extensibility and elasticity of cell wall and thus promoting root elongation.
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Affiliation(s)
- Lei Yan
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China; Key Laboratory of Horticultural Plant Biology, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China.
| | - Shuang Li
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China; Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China.
| | - Jin Cheng
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China.
| | - Yaru Zhang
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China.
| | - Cuncang Jiang
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China; The Key Laboratory of Oasis Eco-agriculture, Xinjiang Production and Construction Corps, Shihezi University, Shihezi, PR China.
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31
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Kumar V, Pandita S, Kaur R, Kumar A, Bhardwaj R. Biogeochemical cycling, tolerance mechanism and phytoremediation strategies of boron in plants: A critical review. Chemosphere 2022; 300:134505. [PMID: 35395266 DOI: 10.1016/j.chemosphere.2022.134505] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/28/2022] [Accepted: 03/31/2022] [Indexed: 06/14/2023]
Abstract
Boron (B) is an inimitable plant micronutrient, predominantly distinguished by super-narrow range between its deficiency and toxicity concentrations, which depends upon boron speciation in the growth media and form of living organisms. Moreover, the significant variations in its mobility amid different species, and distinctive inter and intra-species responses to extreme concentrations. Therefore, it is necessary to screen the bioavailability, speciation, biogeochemical cycling and exposure pathways of boron in the environment. The genes involved in the tolerance mechanism of boron in different plants were discussed in the current review paper. The functions related to scarcity and excess of boron concentration are assessed. The diverse plants implicated in phytoremediation of boron contaminated sites that restrict boron accumulation in food crops and health risks associated with soils containing deficit or surplus boron concentration were appraised. Ultimately, a summary of numerous strategies involved in the recovery and repair of boron-contaminated soils have been reviewed.
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Affiliation(s)
- Vinod Kumar
- Department of Botany, Government Degree College, Ramban, India.
| | | | - Ravdeep Kaur
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, India
| | - Ashok Kumar
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, India
| | - Renu Bhardwaj
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, India
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32
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Wang C, Huang W, Li L, Wang C, Shi Y, Tang S, Gu W, Xu YJ, Zhang LX, Zhang M, Duan L, Zhao KF. Oxidative Damage to BV2 Cells by Trichloroacetic Acid: Protective Role of Boron via the p53 Pathway. Biomed Environ Sci 2022; 35:657-662. [PMID: 35945182 DOI: 10.3967/bes2022.086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 04/24/2022] [Indexed: 06/15/2023]
Abstract
This study aimed to investigate the neurotoxicity induced by trichloroacetic acid (TCA) and the possible protective mechanisms of boron (B). Mouse BV2 cells were treated with TCA (0, 0.39, 0.78, 1.56, 3.12, 6.25, or 12.5 mmol/L) and B (0, 7.8, 15.6, 31.25, 62.5, 125, 500, or 1,000 mmol/L) for 3 h and 24 h, respectively. Then, reactive oxygen species, and supernatant proinflammatory cytokine and protein levels were analyzed after 24 h of combined exposure. Beyond the dose-dependent decrease in the cellular viability, it clearly increased after B supplementation ( P < 0.05). Moreover, B decreased oxidative damage, and significantly down-regulated IL-6 levels and up-regulated TNF-β production ( P < 0.05). B also decreased apoptosis via the p53 pathway. The present findings indicated that TCA may induce oxidative damage, whereas B mitigates these adverse effects by decreasing cell apoptosis.
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Affiliation(s)
- Chong Wang
- China CDC Key Laboratory of Environment and Population Health
| | - Wei Huang
- The Afffiliated Shunde Hospital of Guangzhou Medical University, Foshan 528315, Guangzhou, China
| | - Li Li
- China CDC Key Laboratory of Environment and Population Health
| | - Chao Wang
- China CDC Key Laboratory of Environment and Population Health
| | - Ying Shi
- China CDC Key Laboratory of Environment and Population Health
| | - Song Tang
- China CDC Key Laboratory of Environment and Population Health
| | - Wen Gu
- China CDC Key Laboratory of Environment and Population Health
| | - Yong Jun Xu
- China CDC Key Laboratory of Environment and Population Health
| | - Li Xia Zhang
- China CDC Key Laboratory of Environment and Population Health
| | - Ming Zhang
- China CDC Key Laboratory of Environment and Population Health
| | - Lian Duan
- China CDC Key Laboratory of Environment and Population Health
| | - Kang Feng Zhao
- China CDC Key Laboratory of Environment and Population Health
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33
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Zhang G, Wang A, Zhuang L, Wang X, Song Z, Liang R, Ren M, Long M, Jia X, Li Z, Su S, Wang J, Zhang N, Shen G, Wang B. Enrichment of boron element in follicular fluid and its potential effect on the immune function. Environ Pollut 2022; 304:119147. [PMID: 35314206 DOI: 10.1016/j.envpol.2022.119147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 02/23/2022] [Accepted: 03/13/2022] [Indexed: 06/14/2023]
Abstract
The blood-follicle barrier (BFB) between the blood and follicular fluid (FF) can maintain the microenvironment balance of oocyte. Boron, an exogenous environmental trace element, has been found to possibly play an important role in oocyte maturation. This study aimed to examine the distribution characteristics of boron across the BFB and find the potential effect of boron on FF microenvironment. We analyzed the concentration of boron in paired FF and serum collected from 168 women undergoing in vitro fertilization and embryo transfer in Beijing City and Shandong Province, China. To explore the potential health impact of boron enrichment in oocyte maturation, a global proteomics analysis was conducted to tentatively correlate the protein levels with the boron enrichment. Interestingly, the results showed that the concentration of boron in FF (34.5 ng/mL) was significantly higher than that in serum (22.0 ng/mL), with a median concentration ratio of 1.52. Likewise, the concentrations of boron in FF and serum were positively correlated (r = 0.446), suggesting that boron concentration in serum can represent its concentration in follicular fluid to a large extent.. This is the first time to observe the enrichment of boron in the FF to our knowledge. It is interesting to observe a total of 13 proteins, which mainly belong to immunoglobulin class, were positively correlated with boron concentration in FF. We concluded that boron, as one environmental trace element, was enriched in FF from blood validated by two area in north china, which may be involved in an increased level of immune processes of immunoglobulins.
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Affiliation(s)
- Guohuan Zhang
- Institute of Reproductive and Child Health, School of Public Health, Peking University, Beijing, 100191, PR China; Key Laboratory of Reproductive Health, National Health and Family Planning Commission of the People's Republic of China, Beijing, 100191, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, 100191, China
| | - Anni Wang
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, 750004, China
| | - Lili Zhuang
- Reproductive Medicine Centre, Yuhuangding Hospital of Yantai, Affiliated Hospital of Qingdao University, Yantai, 264000, China
| | - Xikai Wang
- School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China
| | - Ziyi Song
- Reproductive Medical Center, Peking University People's Hospital, Beijing, 100044, China
| | - Rong Liang
- Reproductive Medical Center, Peking University People's Hospital, Beijing, 100044, China
| | - Mengyuan Ren
- Institute of Reproductive and Child Health, School of Public Health, Peking University, Beijing, 100191, PR China; Key Laboratory of Reproductive Health, National Health and Family Planning Commission of the People's Republic of China, Beijing, 100191, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, 100191, China
| | - Manman Long
- Institute of Reproductive and Child Health, School of Public Health, Peking University, Beijing, 100191, PR China; Key Laboratory of Reproductive Health, National Health and Family Planning Commission of the People's Republic of China, Beijing, 100191, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, 100191, China
| | - Xiaoqian Jia
- Institute of Reproductive and Child Health, School of Public Health, Peking University, Beijing, 100191, PR China; Key Laboratory of Reproductive Health, National Health and Family Planning Commission of the People's Republic of China, Beijing, 100191, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, 100191, China
| | - Zhiwen Li
- Institute of Reproductive and Child Health, School of Public Health, Peking University, Beijing, 100191, PR China; Key Laboratory of Reproductive Health, National Health and Family Planning Commission of the People's Republic of China, Beijing, 100191, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, 100191, China
| | - Shu Su
- Institute of Reproductive and Child Health, School of Public Health, Peking University, Beijing, 100191, PR China; Key Laboratory of Reproductive Health, National Health and Family Planning Commission of the People's Republic of China, Beijing, 100191, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, 100191, China
| | - Jiahao Wang
- China Center for Health Development Studies, School of Public Health, Peking University, Beijing, 100191, China
| | - Nan Zhang
- Gynecology Department, Peking University Cancer Hospital and Institute, Key Laboratory of Carcinogenesis and Translational Research, Beijing, 100871, China
| | - Guofeng Shen
- College of Urban and Environmental Sciences, Peking University, Beijing, 100871, China
| | - Bin Wang
- Institute of Reproductive and Child Health, School of Public Health, Peking University, Beijing, 100191, PR China; Key Laboratory of Reproductive Health, National Health and Family Planning Commission of the People's Republic of China, Beijing, 100191, China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, 100191, China.
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Farghaly FA, Salam HK, Hamada AM, Radi AA. Alleviating excess boron stress in tomato calli by applying benzoic acid to various biochemical strategies. Plant Physiol Biochem 2022; 182:216-226. [PMID: 35526419 DOI: 10.1016/j.plaphy.2022.04.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/28/2022] [Accepted: 04/21/2022] [Indexed: 06/14/2023]
Abstract
Benzoic acid (BA) represents vital roles in plant activity and response to diverse unfavorable conditions. However, its participation in mitigating excess boron (EB) stress in plants is elusive. Herein, we have examined the impacts of BA (1 μM) in controlling boron (B) uptake in tomato (Solanum lycopersicum L.) calli exposed to various EB levels (0, 1, 2, and 3 mM). The free, semi-bound, and bound B forms were stimulated by EB, while these forms were reduced in B-stressed calli by BA supplementation (40.37%, 36.08%, and 66.91%, respectively, less than 3 mM B-stressed calli alone). EB caused a reduction in the uptake of potassium (K+), calcium (Ca2+), magnesium (Mg2+), and nitrite (NO2-) while increasing the concentration of phosphorus (P), nitrate (NO3-), sulfur (S), and sulfate (SO42-) in B-stressed calli. BA application induced the uptake of K+, Ca2+, Mg2+, NO3-, S, and SO42-; however, it reduced P and NO2- concentrations in B-stressed calli. EB reduced nitrate reductase activity (NR), while BA application did not alleviate this reduction. EB treatments significantly, in most cases, increased sulfite oxidase (SO) activity. Supplementation of BA along with EB further enhanced SO activity. Cell wall components (cellulose, hemicellulose, and pectin) were decreased under EB treatments but considerably increased in B-stressed calli by BA application. Fourier Transform Infrared Spectrometer (FT-IR) output showed that EB treatments with/without BA led to alterations in cell wall functional groups of calli. Our findings indicated that BA application enabled tomato callus to counteract the harmful effect of EB, leading to improved callus growth.
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Affiliation(s)
- Fatma A Farghaly
- Botany and Microbiology Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt
| | - Hussein Kh Salam
- Biology Department, Faculty of Applied Science, Thamar University, Dhamar, Yemen
| | - Afaf M Hamada
- Botany and Microbiology Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt.
| | - Abeer A Radi
- Botany and Microbiology Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt
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Ashraf MA, Rasheed R, Hussain I, Iqbal M, Farooq MU, Saleem MH, Ali S. Taurine modulates dynamics of oxidative defense, secondary metabolism, and nutrient relation to mitigate boron and chromium toxicity in Triticum aestivum L. plants. Environ Sci Pollut Res Int 2022; 29:45527-45548. [PMID: 35147884 DOI: 10.1007/s11356-022-19066-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 02/01/2022] [Indexed: 05/27/2023]
Abstract
The present study was undertaken to appraise the efficacy of exogenous taurine in alleviating boron (B) and chromium (Cr) toxicity. Taurine protects cell membranes from lipid peroxidation due to its function as a ROS scavenger. However, there exists no report in the literature on the role of taurine in plants under abiotic stresses. The present investigation indicated the involvement of exogenous taurine in mediating plant defense responses under B and Cr toxicity. Wheat plants manifested a significant drop in growth, chlorophyll molecules, SPAD values, relative water content, nitrate reductase activity, and uptake of essential nutrients under B, Cr, and combined B-Cr toxicity. Plants showed significant oxidative damage due to enhanced cellular levels of superoxide radicals (O2•-), hydrogen peroxide (H2O2), malondialdehyde (MDA), relative membrane permeability, and activity of lipoxygenase (LOX). Additionally, a significant negative correlation existed in B and Cr levels with the uptake of essential nutrients. Taurine substantially improved growth, photosynthetic pigments, and nutrient uptake by regulating ROS scavenging, secondary metabolism, and ions homeostasis under stress. Taurine protected plants from the detrimental effects of B and Cr by upregulating the production of nitric oxide, hydrogen sulfide, glutathione, and phenolic compounds.
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Affiliation(s)
- Muhammad Arslan Ashraf
- Department of Botany, Government College University Faisalabad, New Campus, Jhang Road, Faisalabad, 38000, Pakistan.
| | - Rizwan Rasheed
- Department of Botany, Government College University Faisalabad, New Campus, Jhang Road, Faisalabad, 38000, Pakistan
| | - Iqbal Hussain
- Department of Botany, Government College University Faisalabad, New Campus, Jhang Road, Faisalabad, 38000, Pakistan
| | - Muhammad Iqbal
- Department of Botany, Government College University Faisalabad, New Campus, Jhang Road, Faisalabad, 38000, Pakistan
| | - Muhammad Umar Farooq
- Department of Botany, Government College University Faisalabad, New Campus, Jhang Road, Faisalabad, 38000, Pakistan
| | - Muhammad Hamzah Saleem
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Shafaqat Ali
- Department of Environmental Sciences and Engineering, Government College University Faisalabad, Faisalabad, 38000, Pakistan
- Department of Biological Sciences and Technology, China Medical University, Taichung, 40402, Taiwan
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Yan G, Fu L, Lu X, Xie Y, Zhao J, Tang J, Zhou D. Microalgae tolerant of boron stress and bioresources accumulation during the boron removal process. Environ Res 2022; 208:112639. [PMID: 34995545 DOI: 10.1016/j.envres.2021.112639] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 12/23/2021] [Accepted: 12/27/2021] [Indexed: 06/14/2023]
Abstract
Boron (B) industry and consuming produce large amounts of B-containing wastewater. Low tolerance of microorganisms and plants resulted in the biological removal of B was limited. Microalgae show high adaptability in adverse environments. Whether microalgae able to be utilized in B removal meanwhile produce bioresources, and the B tolerant mechanisms and regulation pathway of microalgae are unclear. In this study, the cell growth, B removal, and lipid/starch production of Chlorella regularis under different levels of B stress (0.5, 10, 25, and 50 mg/L) were examined. The mechanisms of signal perception and response were explored by transcriptome and network analysis. Microalgae tolerated 25 mg/L high B stress, cell growth showed no decline and biomass reach up to 4.5 g/L. Microalgae took in B with 3.35 mg/g and bonded them to protein and carbon components in cells, the B removal capability was higher than some special adsorbents. Microalgae produced 188.65 mg/(L∙d) lipids and 305.35 mg/(L∙d) starch. The mitogen-activated protein-kinase signaling pathway was involved in the B tolerance of microalgae and regulated B efflux, glycolysis, and lipid/starch accumulation to relieve B stress. This study provides potential biological technique for B removal in wastewater and promotes new insight into signal role in toxic pollutants biological treatment.
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Affiliation(s)
- Ge Yan
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun, 130117, Jilin, China
| | - Liang Fu
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun, 130117, Jilin, China.
| | - Xin Lu
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun, 130117, Jilin, China
| | - Yutong Xie
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun, 130117, Jilin, China
| | - Jiayi Zhao
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun, 130117, Jilin, China
| | - Jiaqing Tang
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun, 130117, Jilin, China
| | - Dandan Zhou
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun, 130117, Jilin, China
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Qin S, Xu Y, Nie Z, Liu H, Gao W, Li C, Zhao P. Metabolomic and antioxidant enzyme activity changes in response to cadmium stress under boron application of wheat (Triticum aestivum). Environ Sci Pollut Res Int 2022; 29:34701-34713. [PMID: 35040057 DOI: 10.1007/s11356-021-17123-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 10/15/2021] [Indexed: 06/14/2023]
Abstract
Boron (B) has previously been shown to inhibit cadmium (Cd) uptake in wheat. Here, we investigated the physiological response of external B application (C for no B added, B for B added, B+Cd for B and Cd added, B/Cd for B 24 h pretreatment before Cd added, B and Cd were 46.2 μM and 5 μM, respectively) on wheat growth under Cd stress. The results showed that the wheat growth was significantly weaker under Cd treatment, while B application did not significantly improve the wheat growth under Cd stress. However, B application decreased Cd concentrations and malondialdehyde (MDA) concentrations of shoot and root. The key enzyme activities including superoxide dismutase (SOD) and peroxidase (POD) significantly increased under Cd treatments while decreased under B treatments. Further, a total of 198, 680 and 204 of the differential metabolites were isolated between B and C treatment, Cd and C treatment and B+Cd and Cd treatment, respectively. The metabolites with up-accumulation in B application (B+Cd) roots were mainly galactaric acid, citric acid, N6-galacturonyl-L-lysine, D-glucose, while the metabolites with down-accumulation were mainly threoninyl-tryptophan and C16 sphinganine. The differential metabolic pathways were mainly concentrated in linoleic acid metabolism, galactose metabolism, sphingolipid metabolism, glycolysis/gluconeogenesis, propanoate metabolism in diabetic complications between B+Cd treatment and B treatment. The results indicate that B alleviates Cd toxicity in winter wheat by inhibiting Cd uptake, increasing antioxidant enzyme activity and changing metabolites.
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Affiliation(s)
- Shiyu Qin
- College of Resources and Environment, Henan Agricultural University, No. 63, Nongye Road, Jinshui District, Zhengzhou, 450002, Henan, China
- Key Laboratory of Soil Pollution and Remediation of Henan Province, Zhengzhou, 450002, China
| | - Yafang Xu
- College of Resources and Environment, Henan Agricultural University, No. 63, Nongye Road, Jinshui District, Zhengzhou, 450002, Henan, China
- Key Laboratory of Soil Pollution and Remediation of Henan Province, Zhengzhou, 450002, China
| | - Zhaojun Nie
- College of Resources and Environment, Henan Agricultural University, No. 63, Nongye Road, Jinshui District, Zhengzhou, 450002, Henan, China
- Key Laboratory of Soil Pollution and Remediation of Henan Province, Zhengzhou, 450002, China
| | - Hongen Liu
- College of Resources and Environment, Henan Agricultural University, No. 63, Nongye Road, Jinshui District, Zhengzhou, 450002, Henan, China
- Key Laboratory of Soil Pollution and Remediation of Henan Province, Zhengzhou, 450002, China
| | - Wei Gao
- College of Resources and Environment, Henan Agricultural University, No. 63, Nongye Road, Jinshui District, Zhengzhou, 450002, Henan, China
- Key Laboratory of Soil Pollution and Remediation of Henan Province, Zhengzhou, 450002, China
| | - Chang Li
- College of Resources and Environment, Henan Agricultural University, No. 63, Nongye Road, Jinshui District, Zhengzhou, 450002, Henan, China
- Key Laboratory of Soil Pollution and Remediation of Henan Province, Zhengzhou, 450002, China
| | - Peng Zhao
- College of Resources and Environment, Henan Agricultural University, No. 63, Nongye Road, Jinshui District, Zhengzhou, 450002, Henan, China.
- Key Laboratory of Soil Pollution and Remediation of Henan Province, Zhengzhou, 450002, China.
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Cheng J, Riaz M, Yan L, Zeng Z, Jiang C. Increasing media pH contribute to the absorption of boron via roots to promote the growth of citrus. Plant Physiol Biochem 2022; 178:116-124. [PMID: 35292425 DOI: 10.1016/j.plaphy.2022.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 02/27/2022] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
Low pH is an important limiting factor for plant development in the south of China due to problems of acid red soil and boron (B) deficiency. Whereas, there is very limited information on the relationship between media pH and B distribution in plant, the physiological process changed by the interaction of pH and B in citrus growth also unclear. This experiment was conducted on trifoliate rootstock by employing two different concentrations of B (0 or 10 μM B) under three pH levels: pH 4, pH 5, and pH 6. Our results illustrate that low pH inhibite plant growth and cause oxidative stress in the roots, resulting in cell membrane injury. The increase of pH and B addition reduce the accumulation of ROS (O2.- and H2O2) by regulating the activity of Class Ⅲ peroxidases (CIII Prxs). Moreover, increased pH improves the internal circulation of B in plants and decrease the content of lignin and cellulose in cell wall (CW). In summary, our investigation demonstrated that the increase of pH in nutrient solution can accelerate the re-distribution of B by roots to promote citrus growth. The accumulation of B in roots can protect plants from the damage of ROS by regulating the activity of CIII Prxs as well as decrease the content of lignin and cellulose are to promotes roots elongation.
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Affiliation(s)
- Jin Cheng
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China.
| | - Muhammad Riaz
- State Key Laboratory for Conservation and Utilization of Subtropical Agro Bioresources, Root Biology Center, South China Agricultural University, Guangzhou, 510642, China.
| | - Lei Yan
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China.
| | - Zijun Zeng
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China.
| | - Cuncang Jiang
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China; The Key Laboratory of Oasis Ecoagriculture, Xinjiang Production and Construction Corps, Shihezi University, Shihezi, Xinjiang, 832000, PR China.
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Long Y, Li H, Jin H, Ni J. Electrochemical elimination of Microcystis aeruginosa with boron-doped diamond anode in different electrolyte systems: chemical and biological mechanisms. Environ Sci Pollut Res Int 2022; 29:27677-27687. [PMID: 34984609 DOI: 10.1007/s11356-021-18254-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 12/17/2021] [Indexed: 06/14/2023]
Abstract
The chemical and biological mechanisms of electrochemical elimination of Microcystis aeruginosa (M. aeruginosa) using boron-doped diamond (BDD) anode were comparatively explored in three different electrolytes (chloride, sulfate, and phosphate solutions). The most efficient elimination of M. aeruginosa was observed in chloride solution, which was attributed to the greatest total long-lived oxidants from the favorable formation of active chlorine. Moreover, the high permeability of active chlorine resulted in profound intracellular damages to chlorophyll-a, microcystin-LR (MC-LR), superoxide dismutase (SOD) enzyme, and DNA in the chloride system. The change of membrane permeability and degradation of the released MC-LR induced by active chlorine were further confirmed by the increase of extracellular MC-LR in the initial 5 min and a complete decay in the subsequent 15 min, while the change in morphology of algae cells was insignificant from SEM images. In sulfate and phosphate electrolytes, membrane damages were much more pronounced based on lipid peroxidation observation, although changes in cell morphology was found more significant in phosphate system. The higher concentrations of oxidants (·OH, O3, H2O2, S2O82-) generated in sulfate than in phosphate solution explained the greater efficiency of electrochemical elimination of M. aeruginosa in the sulfate electrolyte in terms of changes of cell density, OD680, chlorophyll-a, MC-LR, lipids, SOD enzyme, and DNA.
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Affiliation(s)
- Yujiao Long
- Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, People's Republic of China
- College of Environmental Sciences and Engineering, Key Laboratory of Water and Sediment Sciences, Ministry of Education, Peking University, Beijing, 100871, People's Republic of China
| | - Hongna Li
- Agricultural Clean Watershed Research Group, Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, People's Republic of China
| | - Hongmei Jin
- Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, People's Republic of China
| | - Jinren Ni
- College of Environmental Sciences and Engineering, Key Laboratory of Water and Sediment Sciences, Ministry of Education, Peking University, Beijing, 100871, People's Republic of China.
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Rehman AU, Fatima Z, Qamar R, Farukh F, Alwahibi MS, Hussain M. The impact of boron seed priming on seedling establishment, growth, and grain biofortification of mungbean (Vigna radiata L.) in yermosols. PLoS One 2022; 17:e0265956. [PMID: 35358247 PMCID: PMC8970469 DOI: 10.1371/journal.pone.0265956] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 03/10/2022] [Indexed: 12/04/2022] Open
Abstract
Boron-deficiency in Yermosols is among the major constraints to mungbean productivity and grain biofortification in Pakistan. However, agronomic strategies such as boron (B) seed priming have potential to improve mungbean yield and grain biofortification. Moreover, deficiency to toxicity range for B is very narrow; therefore, it is pre-requisite to optimize its dose before field evaluation. A wire house experiment was planned out to reconnoiter the impact of seed priming with B on growth and quality of two cultivars of mungbean, i.e., ‘NM-2011’ and ‘NM-2016’. Four different B levels were used as seed priming, i.e., 0.01%, 0.05%, 0.1% and 1.0% B, (borax Na2B4O7.10H2O, 11.5% B) were tested, whereas hydropriming was regarded as control. Seed priming with 0.01% B significantly (p≤0.05) lowered time taken to start germination and time to reach 50% emergence, whereas improved mean emergence time, emergence index, final emergence percentage, number of leaves, dry and fresh weight of root, shoot, and total weight, root length, plant height, chlorophyll contents, number of pods and 100-grain weight, seeds per plant, grain yield per plant, B concentrations in stem and grain, grain protein, carbohydrate and fiber in both cultivars. Boron seed priming proved beneficial under a specific range; however, deficiency (hydropriming) and excess (above 0.01% B) of B were detrimental for mungbean growth and productivity. The cultivar ‘NM-2016’ had significantly (p≤0.05) higher yield due to prominent increase in yield related traits with 0.01% B priming as compared to ‘NM-2011’. In conclusion, B seed priming (0.01% B) seemed a feasible choice for improving mungbean growth, yield related traits and grain-B concentration of mungbean on Yermosols.
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Affiliation(s)
- Atique-ur Rehman
- Department of Agronomy, Bahauddin Zakariya University, Multan, Pakistan
- * E-mail: (AUR); (MH)
| | - Zartash Fatima
- Department of Agronomy, Bahauddin Zakariya University, Multan, Pakistan
| | - Rafi Qamar
- Department of Agronomy, College of Agriculture, University of Sargodha, Sargodha, Pakistan
| | - Fizza Farukh
- Department of Agronomy, Bahauddin Zakariya University, Multan, Pakistan
| | - Mona S. Alwahibi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mubshar Hussain
- Department of Agronomy, Bahauddin Zakariya University, Multan, Pakistan
- School of Veterinary and Life Sciences, Murdoch University, Murdoch, WA, Australia
- * E-mail: (AUR); (MH)
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Huang S, Konishi N, Yamaji N, Shao JF, Mitani-Ueno N, Ma JF. Boron uptake in rice is regulated post-translationally via a clathrin-independent pathway. Plant Physiol 2022; 188:1649-1664. [PMID: 34893892 PMCID: PMC8896639 DOI: 10.1093/plphys/kiab575] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 11/17/2021] [Indexed: 05/15/2023]
Abstract
Uptake of boron (B) in rice (Oryza sativa) is mediated by the Low silicon rice 1 (OsLsi1) channel, belonging to the NOD26-like intrinsic protein III subgroup, and the efflux transporter B transporter 1 (OsBOR1). However, it is unknown how these transporters cooperate for B uptake and how they are regulated in response to B fluctuations. Here, we examined the response of these two transporters to environmental B changes at the transcriptional and posttranslational level. OsBOR1 showed polar localization at the proximal side of both the exodermis and endodermis of mature root region, forming an efficient uptake system with OsLsi1 polarly localized at the distal side of the same cell layers. Expression of OsBOR1 and OsLsi1 was unaffected by B deficiency and excess. However, although OsLsi1 protein did not respond to high B at the protein level, OsBOR1 was degraded in response to high B within hours, which was accompanied with a significant decrease of total B uptake. The high B-induced degradation of OsBOR1 was inhibited in the presence of MG-132, a proteasome inhibitor, without disturbance of the polar localization. In contrast, neither the high B-induced degradation of OsBOR1 nor its polarity was affected by induced expression of dominant-negative mutated dynamin-related protein 1A (OsDRP1AK47A) or knockout of the mu subunit (AP2M) of adaptor protein-2 complex, suggesting that clathrin-mediated endocytosis is not involved in OsBOR1 degradation and polar localization. These results indicate that, in contrast to Arabidopsis thaliana, rice has a distinct regulatory mechanism for B uptake through clathrin-independent degradation of OsBOR1 in response to high B.
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Affiliation(s)
- Sheng Huang
- Institute of Plant Science and Resources, Okayama University, Kurashiki 710-0046, Japan
| | - Noriyuki Konishi
- Institute of Plant Science and Resources, Okayama University, Kurashiki 710-0046, Japan
| | - Naoki Yamaji
- Institute of Plant Science and Resources, Okayama University, Kurashiki 710-0046, Japan
| | - Ji Feng Shao
- Institute of Plant Science and Resources, Okayama University, Kurashiki 710-0046, Japan
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Zhejiang 311300, China
| | - Namiki Mitani-Ueno
- Institute of Plant Science and Resources, Okayama University, Kurashiki 710-0046, Japan
| | - Jian Feng Ma
- Institute of Plant Science and Resources, Okayama University, Kurashiki 710-0046, Japan
- Author for communication:
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Huang J, Zhang L, Lin X, Gao Y, Zhang J, Huang W, Zhao D, Ferrarezi RS, Fan G, Chen L. CsiLAC4 modulates boron flow in Arabidopsis and Citrus via high-boron-dependent lignification of cell walls. New Phytol 2022; 233:1257-1273. [PMID: 34775618 PMCID: PMC9299972 DOI: 10.1111/nph.17861] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 11/03/2021] [Indexed: 06/13/2023]
Abstract
The mechanisms underlying plant tolerance to boron (B) excess are far from fully understood. Here we characterized the role of the miR397-CsiLAC4/CsiLAC17 (from Citrus sinensis) module in regulation of B flow. Live-cell imaging techniques were used in localization studies. A tobacco transient expression system tested modulations of CsiLAC4 and CsiLAC17 by miR397. Transgenic Arabidopsis were generated to analyze the biological functions of CsiLAC4 and CsiLAC17. CsiLAC4's role in xylem lignification was determined by mRNA hybridization and cytochemistry. In situ B distribution was analyzed by laser ablation inductively coupled plasma mass spectrometry. CsiLAC4 and CsiLAC17 are predominantly localized in the apoplast of tobacco epidermal cells. Overexpression of CsiLAC4 in Arabidopsis improves the plants' tolerance to boric acid excess by triggering high-B-dependent lignification of the vascular system's cell wall and reducing free B content in roots and shoots. In Citrus, CsiLAC4 is expressed explicitly in the xylem parenchyma and is modulated by B-responsive miR397. Upregulation of CsiLAC4 in Citrus results in lignification of the xylem cell walls, restricting B flow from xylem vessels to the phloem. CsiLAC4 contributes to plant tolerance to boric acid excess via high-B-dependent lignification of cell walls, which set up a 'physical barrier' preventing B flow.
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Affiliation(s)
- Jing‐Hao Huang
- Pomological InstituteFujian Academy of Agricultural SciencesFuzhou350013China
- Institute of Plant Nutritional Physiology and Molecular BiologyCollege of Resources and EnvironmentFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Ling‐Yuan Zhang
- Fujian University of Traditional Chinese MedicineFuzhou350122China
| | - Xiong‐Jie Lin
- Pomological InstituteFujian Academy of Agricultural SciencesFuzhou350013China
| | - Yuan Gao
- College of HorticultureFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Jiang Zhang
- Institute of Plant Nutritional Physiology and Molecular BiologyCollege of Resources and EnvironmentFujian Agriculture and Forestry UniversityFuzhou350002China
| | - Wei‐Lin Huang
- Pomological InstituteFujian Academy of Agricultural SciencesFuzhou350013China
| | - Daqiu Zhao
- College of Horticulture and Plant ProtectionYangzhou UniversityYangzhou225009China
| | | | - Guo‐Cheng Fan
- Pomological InstituteFujian Academy of Agricultural SciencesFuzhou350013China
- Institute of Plant ProtectionFujian Academy of Agricultural SciencesFuzhou350013China
| | - Li‐Song Chen
- Institute of Plant Nutritional Physiology and Molecular BiologyCollege of Resources and EnvironmentFujian Agriculture and Forestry UniversityFuzhou350002China
- Fujian Provincial Key Laboratory of Soil Environmental Health and RegulationCollege of Resources and EnvironmentFujian Agriculture and Forestry UniversityFuzhou350002China
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43
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Abstract
Transport of metalloids including B, Si, and As is mediated by a combination of channels and efflux transporters in plants, which are strictly regulated in response to environmental changes.
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Affiliation(s)
- Naoki Yamaji
- Institute of Plant Science and Resources, Okayama University, Kurashiki 710-0046, Japan
| | - Jian Feng Ma
- Institute of Plant Science and Resources, Okayama University, Kurashiki 710-0046, Japan
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44
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Onuh AF, Miwa K. Regulation, Diversity and Evolution of Boron Transporters in Plants. Plant Cell Physiol 2021; 62:590-599. [PMID: 33570563 DOI: 10.1093/pcp/pcab025] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 02/04/2021] [Indexed: 06/12/2023]
Abstract
Boron (B) is an essential trace element in plants, and borate cross-linking of pectic polysaccharide rhamnogalacturonan-II (RG-II) in cell walls is required for normal cell growth. High concentrations of B are toxic to cells. Therefore, plants need to control B transport to respond to B conditions in the environment. Over the past two decades, genetic analyses of Arabidopsis thaliana have revealed that B transport is governed by two types of membrane transport molecules: NIPs (nodulin-26-like intrinsic proteins), which facilitate boric acid permeation, and BORs, which export borate from cells. In this article, we review recent findings on the (i) regulation at the cell level, (ii) diversity among plant species and (iii) evolution of these B transporters in plants. We first describe the systems regulating these B transporters at the cell level, focusing on the molecular mechanisms underlying the polar localization of proteins and B-dependent expression, as well as their physiological significance in A. thaliana. Then, we examine the presence of homologous genes and characterize the functions of NIPs and BORs in B homeostasis, in a wide range of plant species, including Brassica napus, Oryza sativa and Zea mays. Finally, we discuss the evolutionary aspects of NIPs and BORs as B transporters, and the possible relationship between the diversification of B transport and the occurrence of RG-II in plants. This review considers the sophisticated systems of B transport that are conserved among various plant species, which were established to meet mineral nutrient requirements.
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Affiliation(s)
- Amarachukwu Faith Onuh
- Division of Biosphere Science, Graduate School of Environmental Science, Hokkaido University, North-10, West-5, Kita-ku, Sapporo, 060-0810 Japan
| | - Kyoko Miwa
- Division of Biosphere Science, Graduate School of Environmental Science, Hokkaido University, North-10, West-5, Kita-ku, Sapporo, 060-0810 Japan
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45
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Feng Y, Cui R, Huang Y, Shi L, Wang S, Xu F. Repression of transcription factor AtWRKY47 confers tolerance to boron toxicity in Arabidopsis thaliana. Ecotoxicol Environ Saf 2021; 220:112406. [PMID: 34119927 DOI: 10.1016/j.ecoenv.2021.112406] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 06/01/2021] [Accepted: 06/03/2021] [Indexed: 06/12/2023]
Abstract
Boron (B) excess gives rise to a serious agricultural problem. In this study, we identified a B toxicity responsive transcription factor AtWRKY47 in Arabidopsis thaliana. The T-DNA insertion mutants Atwrky47 showed enhanced tolerance to B toxicity with better growth parameters under high B conditions compared to wild-type Col-0 plants. Quantitative analysis of AtWRKY47 mRNA abundance indicated that it was down-regulated under B toxicity conditions. Fluorescently labeled AtWRKY47 protein was localized in nucleus. In contrast to the phenotype of Atwrky47 mutants, overexpression of AtWRKY47 in Col-0 background resulted in lower biomass, less chlorophyll content, and increased sensitivity to B toxicity. More importantly, the B concentration in shoots was higher in the overexpression lines and lower in the Atwrky47 mutants than in Col-0 plants, respectively. These results demonstrate that AtWRKY47 gene plays a key role in regulating plant tolerance to B toxicity.
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Affiliation(s)
- Yingna Feng
- National Key Laboratory of Crop Genetic Improvement, and Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China.
| | - Rui Cui
- National Key Laboratory of Crop Genetic Improvement, and Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China.
| | - Yupu Huang
- National Key Laboratory of Crop Genetic Improvement, and Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China.
| | - Lei Shi
- National Key Laboratory of Crop Genetic Improvement, and Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China.
| | - Sheliang Wang
- National Key Laboratory of Crop Genetic Improvement, and Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China.
| | - Fangsen Xu
- National Key Laboratory of Crop Genetic Improvement, and Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China.
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He M, Wang S, Zhang C, Liu L, Zhang J, Qiu S, Wang H, Yang G, Xue S, Shi L, Xu F. Genetic variation of BnaA3.NIP5;1 expressing in the lateral root cap contributes to boron deficiency tolerance in Brassica napus. PLoS Genet 2021; 17:e1009661. [PMID: 34197459 PMCID: PMC8279314 DOI: 10.1371/journal.pgen.1009661] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 07/14/2021] [Accepted: 06/10/2021] [Indexed: 11/27/2022] Open
Abstract
Boron (B) is essential for vascular plants. Rapeseed (Brassica napus) is the second leading crop source for vegetable oil worldwide, but its production is critically dependent on B supplies. BnaA3.NIP5;1 was identified as a B-efficient candidate gene in B. napus in our previous QTL fine mapping. However, the molecular mechanism through which this gene improves low-B tolerance remains elusive. Here, we report genetic variation in BnaA3.NIP5;1 gene, which encodes a boric acid channel, is a key determinant of low-B tolerance in B. napus. Transgenic lines with increased BnaA3.NIP5;1 expression exhibited improved low-B tolerance in both the seedling and maturity stages. BnaA3.NIP5;1 is preferentially polar-localized in the distal plasma membrane of lateral root cap (LRC) cells and transports B into the root tips to promote root growth under B-deficiency conditions. Further analysis revealed that a CTTTC tandem repeat in the 5'UTR of BnaA3.NIP5;1 altered the expression level of the gene, which is tightly associated with plant growth and seed yield. Field tests with natural populations and near-isogenic lines (NILs) confirmed that the varieties carried BnaA3.NIP5;1Q allele significantly improved seed yield. Taken together, our results provide novel insights into the low-B tolerance of B. napus, and the elite allele of BnaA3.NIP5;1 could serve as a direct target for breeding low-B-tolerant cultivars.
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Affiliation(s)
- Mingliang He
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
- Microelement Research Centre, Huazhong Agricultural University, Wuhan, China
| | - Sheliang Wang
- Microelement Research Centre, Huazhong Agricultural University, Wuhan, China
| | - Cheng Zhang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
- Microelement Research Centre, Huazhong Agricultural University, Wuhan, China
| | - Liu Liu
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Jinyao Zhang
- Institute of Agricultural Resource and Regional Planning, CAAS, Beijing, China
| | - Shou Qiu
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Hong Wang
- Institute of Agricultural Resource and Regional Planning, CAAS, Beijing, China
| | - Guangsheng Yang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Shaowu Xue
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Lei Shi
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
- Microelement Research Centre, Huazhong Agricultural University, Wuhan, China
| | - Fangsen Xu
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
- Microelement Research Centre, Huazhong Agricultural University, Wuhan, China
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Coghi PS, Zhu Y, Xie H, Hosmane NS, Zhang Y. Organoboron Compounds: Effective Antibacterial and Antiparasitic Agents. Molecules 2021; 26:3309. [PMID: 34072937 PMCID: PMC8199504 DOI: 10.3390/molecules26113309] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 05/27/2021] [Accepted: 05/27/2021] [Indexed: 11/16/2022] Open
Abstract
The unique electron deficiency and coordination property of boron led to a wide range of applications in chemistry, energy research, materials science and the life sciences. The use of boron-containing compounds as pharmaceutical agents has a long history, and recent developments have produced encouraging strides. Boron agents have been used for both radiotherapy and chemotherapy. In radiotherapy, boron neutron capture therapy (BNCT) has been investigated to treat various types of tumors, such as glioblastoma multiforme (GBM) of brain, head and neck tumors, etc. Boron agents playing essential roles in such treatments and other well-established areas have been discussed elsewhere. Organoboron compounds used to treat various diseases besides tumor treatments through BNCT technology have also marked an important milestone. Following the clinical introduction of bortezomib as an anti-cancer agent, benzoxaborole drugs, tavaborole and crisaborole, have been approved for clinical use in the treatments of onychomycosis and atopic dermatitis. Some heterocyclic organoboron compounds represent potentially promising candidates for anti-infective drugs. This review highlights the clinical applications and perspectives of organoboron compounds with the natural boron atoms in disease treatments without neutron irradiation. The main topic focuses on the therapeutic applications of organoboron compounds in the diseases of tuberculosis and antifungal activity, malaria, neglected tropical diseases and cryptosporidiosis and toxoplasmosis.
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Affiliation(s)
- Paolo Saul Coghi
- School of Pharmacy Macau, University of Science and Technology, Taipa Macau 999078, China;
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa Macau 999078, China
| | - Yinghuai Zhu
- The State Key Laboratory of Anti-Infective Drug Development (NO. 2015DQ780357), Sunshine Lake Pharma Co., Ltd., Dongguan 523871, China;
| | - Hongming Xie
- The State Key Laboratory of Anti-Infective Drug Development (NO. 2015DQ780357), Sunshine Lake Pharma Co., Ltd., Dongguan 523871, China;
| | - Narayan S. Hosmane
- Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, IL 60115, USA
| | - Yingjun Zhang
- The State Key Laboratory of Anti-Infective Drug Development (NO. 2015DQ780357), Sunshine Lake Pharma Co., Ltd., Dongguan 523871, China;
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48
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Gülüt KY, Duymuş E, Solmaz İ, Torun AA. Nitrogen and boron nutrition in grafted watermelon II: Impact on nutrient accumulation in fruit rind and flesh. PLoS One 2021; 16:e0252437. [PMID: 34043729 PMCID: PMC8158982 DOI: 10.1371/journal.pone.0252437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 05/14/2021] [Indexed: 11/18/2022] Open
Abstract
Turkey ranks second in watermelon (Citrullus lunatus L.) production globally and the highest production is witnessed for Çukurova plains the country. Although watermelon is extensively cultivated in the Çukurova region, studies on optimum nitrogen (N) and boron (B) doses for watermelon cultivation are quite limited. This study, evaluated the impact of increasing N (0, 90, 180 and 270 kg ha-1) and B (0 and 2 kg ha-1 B) doses on nutrient uptake in rind (exocarp) and flesh (endocarp) of watermelon fruit. Grafted watermelon variety ‘Starburst’, widely cultivated in the region was used as experimental material. The concentrations of different macro and micronutrients were analyzed from fruit rind and flesh. Individual and interactive effect of N and B doses significantly altered macro and micronutrients’ uptake in rind and flesh. Higher amounts of macro and micronutrients were accumulated in rind than flesh. Nutrients’ uptake was increased with increasing N doses, whereas B had limited impact. The accumulated nutrients were within the safe limits for human consumption. The N concentrations of rind and flesh increased with increasing N dose. Similarly, B concentration in rind and flesh and N concentration in rind significantly increased, while N concentration in flesh decreased with B application. It was concluded that 270 kg ha-1 N and 2 kg ha-1 B are optimum for better nutrient uptake in watermelon fruit. Thus, these doses must be used for watermelon cultivation in Çukurova plains of the country.
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Affiliation(s)
- Kemal Yalçın Gülüt
- Faculty of Agriculture, Department of Soil Science and Plant Nutrition, Çukurova University, Adana, Turkey
- * E-mail:
| | - Ebru Duymuş
- Faculty of Agriculture, Department of Soil Science and Plant Nutrition, Çukurova University, Adana, Turkey
| | - İlknur Solmaz
- Faculty of Agriculture, Department of Horticulture, Çukurova University, Adana, Turkey
| | - Ayfer Alkan Torun
- Faculty of Agriculture, Department of Soil Science and Plant Nutrition, Çukurova University, Adana, Turkey
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49
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Chen L, Xia F, Wang M, Mao P. Physiological and proteomic analysis reveals the impact of boron deficiency and surplus on alfalfa (Medicago sativa L.) reproductive organs. Ecotoxicol Environ Saf 2021; 214:112083. [PMID: 33676054 DOI: 10.1016/j.ecoenv.2021.112083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 02/16/2021] [Accepted: 02/18/2021] [Indexed: 06/12/2023]
Abstract
Boron (B), an essential element for increasing seed yield and germinability in alfalfa (Medicago sativa L.), plays a vital role in its reproductive processes. However, effects of B stress on physiological and proteomic changes in reproductive organs related to alfalfa seed yield and germinability are poorly understood. In order to gain a better insight into B response or tolerance mechanisms, field trials were designed for B deficiency (0 mg B L-1), B sufficiency (800 mg B L-1), and B surplus (1600 mg B L-1) application during alfalfa flowering to analyze the proteomics and physiological responses of alfalfa 'Aohan' reproductive organs. Results showed that B deficiency weakened the stress-responsive ability in these organs, while B surplus reduced the sugar utilization of 'Aohan' flowers and caused lipid membrane peroxidation in 'Aohan' seeds. In addition, four upregulated stress responsive proteins (ADF-like protein, IMFP, NAD(P)-binding Rossmann-fold protein and NAD-dependent ALDHs) might play pivotal roles in the response of 'Aohan' reproductive organs to conditions of B deficiency and B surplus. All of the above results would be helpful to understand the tolerance mechanisms of alfalfa reproductive organs to both B deficiency and B surplus conditions, and also to give insight into the regulatory role of B in improving seed yield and germinability in alfalfa seed production. In summary, B likely plays a structural and regulatory role in relation to lipid metabolism, carbohydrate metabolism, amino acid metabolism, and signal transduction, thus regulates alfalfa reproductive processes eventually affecting the seed yield and germinability of alfalfa seeds.
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Affiliation(s)
- Lingling Chen
- Forage Seed Lab, College of Grassland Science and Technology, China Agricultural University, Beijing 100193, PR China; Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau & Inner Mongolia Key Laboratory of Grassland Ecology, College of Ecology and Environment, Inner Mongolia University, Hohhot 010021, PR China
| | - Fangshan Xia
- Forage Seed Lab, College of Grassland Science and Technology, China Agricultural University, Beijing 100193, PR China; College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi Province 030801, PR China
| | - Mingya Wang
- Forage Seed Lab, College of Grassland Science and Technology, China Agricultural University, Beijing 100193, PR China
| | - Peisheng Mao
- Forage Seed Lab, College of Grassland Science and Technology, China Agricultural University, Beijing 100193, PR China.
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50
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Huang Y, Wang S, Wang C, Ding G, Cai H, Shi L, Xu F. Induction of jasmonic acid biosynthetic genes inhibits Arabidopsis growth in response to low boron. J Integr Plant Biol 2021; 63:937-948. [PMID: 33289292 PMCID: PMC8252524 DOI: 10.1111/jipb.13048] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Accepted: 12/02/2020] [Indexed: 05/31/2023]
Abstract
The essential micronutrient boron (B) has key roles in cell wall integrity and B deficiency inhibits plant growth. The role of jasmonic acid (JA) in plant growth inhibition under B deficiency remains unclear. Here, we report that low B elevates JA biosynthesis in Arabidopsis thaliana by inducing the expression of JA biosynthesis genes. Treatment with JA inhibited plant growth and, a JA biosynthesis inhibitor enhanced plant growth, indicating that the JA induced by B deficiency affects plant growth. Furthermore, examination of the JA signaling mutants jasmonate resistant1, coronatine insensitive1-2, and myc2 showed that JA signaling negatively regulates plant growth under B deficiency. We identified a low-B responsive transcription factor, ERF018, and used yeast one-hybrid assays and transient activation assays in Nicotiana benthamiana leaf cells to demonstrate that ERF018 activates the expression of JA biosynthesis genes. ERF018 overexpression (OE) lines displayed stunted growth and up-regulation of JA biosynthesis genes under normal B conditions, compared to Col-0 and the difference between ERF018 OE lines and Col-0 diminished under low B. These results suggest that ERF018 enhances JA biosynthesis and thus negatively regulates plant growth. Taken together, our results highlight the importance of JA in the effect of low B on plant growth.
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Affiliation(s)
- Yupu Huang
- National Key Laboratory of Crop Genetic ImprovementHuazhong Agricultural UniversityWuhan430070China
- Microelement Research Center, College of Resources & EnvironmentHuazhong Agricultural UniversityWuhan430070China
| | - Sheliang Wang
- National Key Laboratory of Crop Genetic ImprovementHuazhong Agricultural UniversityWuhan430070China
- Microelement Research Center, College of Resources & EnvironmentHuazhong Agricultural UniversityWuhan430070China
| | - Chuang Wang
- Microelement Research Center, College of Resources & EnvironmentHuazhong Agricultural UniversityWuhan430070China
| | - Guangda Ding
- National Key Laboratory of Crop Genetic ImprovementHuazhong Agricultural UniversityWuhan430070China
- Microelement Research Center, College of Resources & EnvironmentHuazhong Agricultural UniversityWuhan430070China
| | - Hongmei Cai
- Microelement Research Center, College of Resources & EnvironmentHuazhong Agricultural UniversityWuhan430070China
| | - Lei Shi
- National Key Laboratory of Crop Genetic ImprovementHuazhong Agricultural UniversityWuhan430070China
- Microelement Research Center, College of Resources & EnvironmentHuazhong Agricultural UniversityWuhan430070China
| | - Fangsen Xu
- National Key Laboratory of Crop Genetic ImprovementHuazhong Agricultural UniversityWuhan430070China
- Microelement Research Center, College of Resources & EnvironmentHuazhong Agricultural UniversityWuhan430070China
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