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Yang X, Li Q, Lu Y, Zhang L, Bian X. Insight into the short-term effects of TiO 2 nanoparticles on the cultivation of medicinal plants: Comprehensive analysis of Panax ginseng physiological indicators, soil physicochemical properties and microbiome. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 951:175581. [PMID: 39153613 DOI: 10.1016/j.scitotenv.2024.175581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 08/14/2024] [Accepted: 08/14/2024] [Indexed: 08/19/2024]
Abstract
To meet societal needs, a large number of medicinal plants are cultivated artificially. However, issues such as diseases and continuous cropping obstacles (CCO) have severely impacted their quality and yield. Exploring and innovating the cultivation technology for medicinal plants is essential to meet their high demand and ensure sustainable development. The role of titanium dioxide nanoparticles (nano-TiO2) in medicinal plant cultivation remains unclear. To advance the application of nanotechnology in this field, a comprehensive exploration of its potential benefits is necessary. In this study, nano-TiO2 was applied to ginseng (Panax ginseng C.A. Meyer) to acquire a holistic comprehension of its impact on ginseng growth, rhizosphere, and ginseng-used soil. Our findings reveal that nano-TiO2 significantly enhances ginseng root activity and has notable effects on antioxidant enzyme systems. The two concentrations of nano-TiO2 markedly influenced the structure and composition of microbial communities in the rhizosphere and ginseng-used soil, including key microorganisms such as Chloroflexi and Acidobacteriota, which are closely involved in soil function. Furthermore, nano-TiO2 altered the competitive and cooperative relationships within microbial networks. Nano-TiO2 application significantly increased soil organic matter (SOM) content in rhizosphere and ginseng-used soils and affected the activities of several important soil enzymes. Environmental factors, such as EC, pH, and soil nutrients, were found to be the main factors influencing the microbial community. In conclusion, our findings illuminate the complex effects of nano-TiO2 on the "plant-microbial-soil" system in the context of ginseng cultivation. This work offers novel strategies for optimizing medicinal plant growth and development, as well as improving cultivated soil by using nanomaterials.
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Affiliation(s)
- Xiaohang Yang
- College of Pharmacy, Jilin Medical University, Jilin 132013, Jilin, China
| | - Qiong Li
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun 130117, Jilin, China
| | - Yi Lu
- Wuhan University of Technology, The State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan 430070, Hubei, China
| | - Lianxue Zhang
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, Jilin, China
| | - Xingbo Bian
- College of Pharmacy, Jilin Medical University, Jilin 132013, Jilin, China.
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Pal P, Pramanik K, Ghosh SK, Mondal S, Mondal T, Soren T, Maiti TK. Molecular and eco-physiological responses of soil-borne lead (Pb 2+)-resistant bacteria for bioremediation and plant growth promotion under lead stress. Microbiol Res 2024; 287:127831. [PMID: 39079267 DOI: 10.1016/j.micres.2024.127831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 06/25/2024] [Accepted: 07/01/2024] [Indexed: 08/22/2024]
Abstract
Lead (Pb) is the 2nd known portentous hazardous substance after arsenic (As). Being highly noxious, widespread, non-biodegradable, prolonged environmental presence, and increasing accumulation, particularly in arable land, Pb pollution has become a serious global health concern requiring urgent remediation. Soil-borne, indigenous microbes from Pb-polluted sites have evolved diverse resistance strategies, involving biosorption, bioprecipitation, biomineralization, biotransformation, and efflux mechanisms, under continuous exposure to Pb in human-impacted surroundings. These strategies employ a wide range of functional bioligands to capture Pb and render it inaccessible for leaching. Recent breakthroughs in molecular technology and understanding of lead resistance mechanisms offer the potential for utilizing microbes as biological tools in environmental risk assessment. Leveraging the specific affinity and sensitivity of bacterial regulators to Pb2+ ions, numerous lead biosensors have been designed and deployed worldwide to monitor Pb bioavailability in contaminated sites, even at trace levels. Besides, the ongoing degradation of croplands due to Pb pollution poses a significant challenge to meet the escalating global food demands. The accumulation of Pb in plant tissues jeopardizes both food safety and security while severely impacting plant growth. Exploring Pb-resistant plant growth-promoting rhizobacteria (PGPR) presents a promising sustainable approach to agricultural practices. The active associations of PGPR with host plants have shown enhancements in plant biomass and stress alleviation under Pb influence. They thus serve a dual purpose for plants grown in Pb-contaminated areas. This review aims to offer a comprehensive understanding of the role played by Pb-resistant soil-borne indigenous bacteria in expediting bioremediation and improving the growth of Pb-challenged plants essential for potential field application, thus broadening prospects for future research and development.
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Affiliation(s)
- Priyanka Pal
- Microbiology Laboratory, CAS, Department of Botany, Burdwan University, Burdwan, West Bengal 713104, India
| | - Krishnendu Pramanik
- Department of Botany, Cooch Behar Panchanan Barma University, Panchanan Nagar, Vivekananda Street, Cooch Behar, West Bengal 736101, India
| | - Sudip Kumar Ghosh
- Microbiology Laboratory, CAS, Department of Botany, Burdwan University, Burdwan, West Bengal 713104, India
| | - Sayanta Mondal
- Microbiology Laboratory, CAS, Department of Botany, Burdwan University, Burdwan, West Bengal 713104, India
| | - Tanushree Mondal
- Microbiology Laboratory, CAS, Department of Botany, Burdwan University, Burdwan, West Bengal 713104, India
| | - Tithi Soren
- Microbiology Laboratory, CAS, Department of Botany, Burdwan University, Burdwan, West Bengal 713104, India
| | - Tushar Kanti Maiti
- Microbiology Laboratory, CAS, Department of Botany, Burdwan University, Burdwan, West Bengal 713104, India.
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3
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Qin H, Wang Z, Sha W, Song S, Qin F, Zhang W. Role of Plant-Growth-Promoting Rhizobacteria in Plant Machinery for Soil Heavy Metal Detoxification. Microorganisms 2024; 12:700. [PMID: 38674644 PMCID: PMC11052264 DOI: 10.3390/microorganisms12040700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 03/23/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Heavy metals migrate easily and are difficult to degrade in the soil environment, which causes serious harm to the ecological environment and human health. Thus, soil heavy metal pollution has become one of the main environmental issues of global concern. Plant-growth-promoting rhizobacteria (PGPR) is a kind of microorganism that grows around the rhizosphere and can promote plant growth and increase crop yield. PGPR can change the bioavailability of heavy metals in the rhizosphere microenvironment, increase heavy metal uptake by phytoremediation plants, and enhance the phytoremediation efficiency of heavy-metal-contaminated soils. In recent years, the number of studies on the phytoremediation efficiency of heavy-metal-contaminated soil enhanced by PGPR has increased rapidly. This paper systematically reviews the mechanisms of PGPR that promote plant growth (including nitrogen fixation, phosphorus solubilization, potassium solubilization, iron solubilization, and plant hormone secretion) and the mechanisms of PGPR that enhance plant-heavy metal interactions (including chelation, the induction of systemic resistance, and the improvement of bioavailability). Future research on PGPR should address the challenges in heavy metal removal by PGPR-assisted phytoremediation.
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Affiliation(s)
| | | | | | | | - Fenju Qin
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Wenchao Zhang
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou 215009, China
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Hwang KH, Kim HG, Jang K, Kim YJ. Novel Cultivation of six-year-old Korean Ginseng ( Panax ginseng) in pot: From Non-Agrochemical Management to Increased Ginsenoside. J Ginseng Res 2024; 48:98-102. [PMID: 38223827 PMCID: PMC10785229 DOI: 10.1016/j.jgr.2021.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 04/30/2021] [Accepted: 05/04/2021] [Indexed: 11/23/2022] Open
Abstract
Background Ginseng (Panax ginseng Meyer) is a perennial plant belonging to the Araliaceae family that is known to have various beneficial effects including improving memory loss and spatial cognitive ability, and anti-cancer and anti-diabetes activity. Its functional benefits also include improving liver function, regulating blood pressure, stress, and providing antioxidant activity. Usually, various agrochemicals are used in cultivating ginseng preventing from many diseases. Methods FCGP (field cultivated ginseng in pot) was implemented by imitating MCWG (mountain cultivated wild ginseng). Pesticide analysis of pot cultivation was carried out and the contents of bioactive components such as ginsenoside were also analyzed. Results FCGP ginsenoside content was higher than that of FCG (field cultivated ginseng) and MCWG. FCGP has been shown to have a relatively high antioxidant effect compared with cultivated ginseng. Conclusion It was confirmed that ginseng can be grown for 6 years without resorting to use of pesticides. In addition, it was confirmed that effective accumulation of physiologically active ingredients such as ginsenoside is possible. Our result represents FCGP is a novel method of pesticide-free ginseng cultivation.
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Affiliation(s)
- Kyung Ho Hwang
- Department of Regional Industry, Jeonbuk National University, Jeonju, Republic of Korea
| | - Hyun Gi Kim
- Department of Lifestyle Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - Kiyoung Jang
- Department of Lifestyle Medicine, Jeonbuk National University, Iksan, Republic of Korea
| | - Yong Ju Kim
- Department of Lifestyle Medicine, Jeonbuk National University, Iksan, Republic of Korea
- Department of Oriental Medicine Resources, Jeonbuk National University, Iksan, Republic of Korea
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Kozlova AP, Saksaganskaia AS, Afonin AM, Muntyan VS, Vladimirova ME, Dzyubenko EA, Roumiantseva ML. A Temperate Sinorhizobium Phage, AP-16-3, Closely Related to Phage 16-3: Mosaic Genome and Prophage Analysis. Viruses 2023; 15:1701. [PMID: 37632043 PMCID: PMC10460002 DOI: 10.3390/v15081701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 07/28/2023] [Accepted: 08/01/2023] [Indexed: 08/27/2023] Open
Abstract
Soil Sinorhizobium phage AP-16-3, a strain phylogenetically close to Rhizobium phage 16-3, was isolated in a mountainous region of Dagestan, belonging to the origin of cultivated plants in the Caucasus, according to Vavilov N.I. The genome of phage AP-16-3 is 61 kbp in size and contains 62 ORFs, of which 42 ORFs have homologues in the genome of Rhizobium phage 16-3, which was studied in the 1960s-1980s. A search for Rhizobium phage 16-3-related sequences was performed in the genomes of modern strains of root nodule bacteria belonging to different species, genera, and families. A total of 43 prophages of interest were identified out of 437 prophages found in the genomes of 42 strains, of which 31 belonged to Sinorhizobium meliloti species. However, almost all of the mentioned prophages contained single ORFs, and only two prophages contained 51 and 39 ORFs homologous to phages related to 16-3. These prophages were detected in S. meliloti NV1.1.1 and Rh. leguminosarum OyaliB strains belonging to different genera; however, the similarity level of these two prophages did not exceed 14.7%. Analysis of the orphan genes in these prophages showed that they encoded predominantly virion structural elements, but also enzymes and an extensive group of hypothetical proteins belonging to the L, S, and E regions of viral genes of phage 16-3. The data obtained indicate that temperate phages related to 16-3 had high infectivity against nodule bacteria and participated in intragenomic recombination events involving other phages, and in horizontal gene transfer between rhizobia of different genera. According to the data obtained, it is assumed that the repetitive lysogenic cycle of temperate bacteriophages promotes the dissolution of the phage genetic material in the host bacterial genome, and radical updating of phage and host bacterial genomes takes place.
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Affiliation(s)
- Alexandra P. Kozlova
- Laboratory of Genetics and Selection of Microorganisms, Federal State Budget Scientific Institution All-Russia Research Institute for Agricultural Microbiology (FSBSI ARRIAM), 196608 Saint Petersburg, Russia; (A.P.K.); (A.S.S.); (V.S.M.); (M.E.V.)
| | - Alla S. Saksaganskaia
- Laboratory of Genetics and Selection of Microorganisms, Federal State Budget Scientific Institution All-Russia Research Institute for Agricultural Microbiology (FSBSI ARRIAM), 196608 Saint Petersburg, Russia; (A.P.K.); (A.S.S.); (V.S.M.); (M.E.V.)
| | - Alexey M. Afonin
- Laboratory of Genetics of Plant-Microbe Interactions, Federal State Budget Scientific Institution All-Russia Research Institute for Agricultural Microbiology (FSBSI ARRIAM), 196608 Saint Petersburg, Russia;
| | - Victoria S. Muntyan
- Laboratory of Genetics and Selection of Microorganisms, Federal State Budget Scientific Institution All-Russia Research Institute for Agricultural Microbiology (FSBSI ARRIAM), 196608 Saint Petersburg, Russia; (A.P.K.); (A.S.S.); (V.S.M.); (M.E.V.)
| | - Maria E. Vladimirova
- Laboratory of Genetics and Selection of Microorganisms, Federal State Budget Scientific Institution All-Russia Research Institute for Agricultural Microbiology (FSBSI ARRIAM), 196608 Saint Petersburg, Russia; (A.P.K.); (A.S.S.); (V.S.M.); (M.E.V.)
| | - Elena A. Dzyubenko
- N. I. Vavilov Institute of Plant Genetic Resources (VIR), 190031 Saint Petersburg, Russia;
| | - Marina L. Roumiantseva
- Laboratory of Genetics and Selection of Microorganisms, Federal State Budget Scientific Institution All-Russia Research Institute for Agricultural Microbiology (FSBSI ARRIAM), 196608 Saint Petersburg, Russia; (A.P.K.); (A.S.S.); (V.S.M.); (M.E.V.)
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Wei T, Gao H, An F, Ma X, Hua L, Guo J. Performance of heavy metal-immobilizing bacteria combined with biochar on remediation of cadmium and lead co-contaminated soil. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:6009-6026. [PMID: 37204552 DOI: 10.1007/s10653-023-01605-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 05/02/2023] [Indexed: 05/20/2023]
Abstract
Heavy metal pollution of soil has become a public concern worldwide since it threats food safety and human health. Sustainable and environmental-friendly remediation technology is urgently needed. Therefore, we investigated the properties and heavy metal removal ability of Enterobacter asburiae G3 (G3), Enterobacter tabaci I12 (I12), and explored the feasibility of remediation Cd, Pb co-contaminated soil by the combination of G3/I12 and biochar. Our results indicated that both strains are highly resistant to Cd, Pb and maintain plant growth-promoting properties. The removal efficiency of G3 for Cd and Pb were 76.79-99.43%, respectively, while the removal efficiency of I12 for Cd and Pb were 62.57-99.55%, respectively. SEM-EDS and XRD analysis revealed that the morphological and structural changes occurred upon heavy metal exposure, metal precipitates were also detected on cell surface. FTIR analysis indicated that functional groups (-OH, -N-H, -C = O, -C-N, -PO4) were involved in Cd/Pb immobilization. Application of the bacteria, biochar, or their combination decreased the acid-extractable Cd, Pb in soil while increased the residual fractions, meanwhile, the bioavailability of both metal elements declined. Besides, these treatments increased soil enzyme (sucrase, catalase and urease) activity and accelerated pakchoi growth, heavy metal accumulation in pakchoi was depressed upon bacteria and/or biochar application, and a synergistic effect was detected when applying bacteria and biochar together. In BC + G3 and BC + I12 treated plants, the Cd and Pb accumulation decreased by 24.42% and 52.19%, 17.55% and 47.36%, respectively. Overall, our study provides an eco-friendly and promising in situ technology that could be applied in heavy metal remediation.
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Affiliation(s)
- Ting Wei
- School of Environmental Science and Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, People's Republic of China
| | - Han Gao
- School of Environmental Science and Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, People's Republic of China
| | - Fengqiu An
- College of Environmental and Chemical Engineering, Xi'an Polytechnic University, Xi'an, 710048, Shaanxi, China
| | - Xiulian Ma
- School of Environmental Science and Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, People's Republic of China
| | - Li Hua
- School of Environmental Science and Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, People's Republic of China
| | - Junkang Guo
- School of Environmental Science and Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, People's Republic of China.
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de Andrade LA, Santos CHB, Frezarin ET, Sales LR, Rigobelo EC. Plant Growth-Promoting Rhizobacteria for Sustainable Agricultural Production. Microorganisms 2023; 11:microorganisms11041088. [PMID: 37110511 PMCID: PMC10146397 DOI: 10.3390/microorganisms11041088] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/12/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023] Open
Abstract
Rhizosheric bacteria with several abilities related to plant growth and health have been denominated Plant Growth-Promoting Rhizobacteria (PGPR). PGPR promote plant growth through several modes of action, be it directly or indirectly. The benefits provided by these bacteria can include increased nutrient availability, phytohormone production, shoot and root development, protection against several phytopathogens, and reduced diseases. Additionally, PGPR can help plants to withstand abiotic stresses such as salinity and drought and produce enzymes that detoxify plants from heavy metals. PGPR have become an important strategy in sustainable agriculture due to the possibility of reducing synthetic fertilizers and pesticides, promoting plant growth and health, and enhancing soil quality. There are many studies related to PGPR in the literature. However, this review highlights the studies that used PGPR for sustainable production in a practical way, making it possible to reduce the use of fertilizers such as phosphorus and nitrogen and fungicides, and to improve nutrient uptake. This review addresses topics such as unconventional fertilizers, seed microbiome for rhizospheric colonization, rhizospheric microorganisms, nitrogen fixation for reducing chemical fertilizers, phosphorus solubilizing and mineralizing, and siderophore and phytohormone production for reducing the use of fungicides and pesticides for sustainable agriculture.
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Affiliation(s)
- Luana Alves de Andrade
- Agricultural and Livestock Microbiology Graduate Program, School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), São Paulo 14884-900, Brazil
| | - Carlos Henrique Barbosa Santos
- Agricultural and Livestock Microbiology Graduate Program, School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), São Paulo 14884-900, Brazil
| | - Edvan Teciano Frezarin
- Agricultural and Livestock Microbiology Graduate Program, School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), São Paulo 14884-900, Brazil
| | - Luziane Ramos Sales
- Agricultural and Livestock Microbiology Graduate Program, School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), São Paulo 14884-900, Brazil
| | - Everlon Cid Rigobelo
- Agricultural and Livestock Microbiology Graduate Program, School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), São Paulo 14884-900, Brazil
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Wróbel M, Śliwakowski W, Kowalczyk P, Kramkowski K, Dobrzyński J. Bioremediation of Heavy Metals by the Genus Bacillus. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:ijerph20064964. [PMID: 36981874 PMCID: PMC10049623 DOI: 10.3390/ijerph20064964] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/07/2023] [Accepted: 03/09/2023] [Indexed: 06/12/2023]
Abstract
Environmental contamination with heavy metals is one of the major problems caused by human activity. Bioremediation is an effective and eco-friendly approach that can reduce heavy metal contamination in the environment. Bioremediation agents include bacteria of the genus Bacillus, among others. The best-described species in terms of the bioremediation potential of Bacillus spp. Are B. subtilis, B. cereus, or B. thuringiensis. This bacterial genus has several bioremediation strategies, including biosorption, extracellular polymeric substance (EPS)-mediated biosorption, bioaccumulation, or bioprecipitation. Due to the above-mentioned strategies, Bacillus spp. strains can reduce the amounts of metals such as lead, cadmium, mercury, chromium, arsenic or nickel in the environment. Moreover, strains of the genus Bacillus can also assist phytoremediation by stimulating plant growth and bioaccumulation of heavy metals in the soil. Therefore, Bacillus spp. is one of the best sustainable solutions for reducing heavy metals from various environments, especially soil.
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Affiliation(s)
- Monika Wróbel
- Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096 Warsaw, Poland
| | - Wojciech Śliwakowski
- Institute of Technology and Life Sciences—National Research Institute, Falenty, 3 Hrabska Avenue, 05-090 Raszyn, Poland
| | - Paweł Kowalczyk
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110 Jabłonna, Poland
| | - Karol Kramkowski
- Department of Physical Chemistry, Medical University of Białystok, Kilińskiego 1 Str., 15-089 Białystok, Poland
| | - Jakub Dobrzyński
- Institute of Technology and Life Sciences—National Research Institute, Falenty, 3 Hrabska Avenue, 05-090 Raszyn, Poland
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Akter R, Chan Ahn J, Nahar J, Awais M, Ramadhania ZM, Oh SW, Oh JH, Kong BM, Rupa EJ, Lee DW, Yang DC, Chan kang S. Pomegranate juice fermented by tannin acyl hydrolase and Lactobacillus vespulae DCY75 enhance estrogen receptor expression and anti-inflammatory effect. Front Pharmacol 2022; 13:1010103. [PMID: 36249796 PMCID: PMC9558905 DOI: 10.3389/fphar.2022.1010103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 09/06/2022] [Indexed: 11/13/2022] Open
Abstract
Phenolics are phytochemicals in plants, fruits, and vegetables have potential health-promoting efficacies. However, mostly available as a complex form. So, to increase the contents and nutritional value of the phenolic compounds, fermentation is most readily used in the food industry. Especially, the hydrolyzable tannins present in the pomegranate that can be liberated into monomolecular substances, which enhances biological activity. Thus, this study aims to convert hydrolyzable tannins to ellagic acid by fermentation using Tannin acyl hydrolase (TAH) and a novel bacteria strain Lactobacillus vespulae DCY75, respectively to investigate its effect on Estrogen receptor alpha (ERα) and estrogen receptor beta (ERβ) mRNA expression along with inflammation inhibition. As a result, the fermentation enhanced the ellagic acid content up to 70% by the synergetic effect of TAH and DCY75. Furthermore, fermented pomegranate (PG-F) increased cellular proliferation as well as upregulated the gene expression of estrogen regulators such as ERα, ERβ, and pS2 in breast cancer cell line (MCF-7), which commonly used to evaluate estrogenic activity. Moreover, to study the inflammation associated with low estrogen in menopause, we have analyzed the inhibition of nitric oxide (NO)/inducible nitric oxide synthase (iNOS) in RAW 264.7 cells. The PG-F juice did not exert any cytotoxicity in RAW 264.7 cells and inhibited NO production along with the downregulation of a major pro-inflammatory cytokine iNOS which indicates the anti-inflammatory potential of it. To sum it up, the fermented commercial pomegranate juice using a novel bacteria strain increased the amount of ellagic acid that the value added bioactive of pomegranate and it has significantly increased the estrogenic activity via upregulating estrogen related biomarkers expression and reduced the risk of related inflammation via NO/iNOS inhibition. This study could be a preliminary study to use fermented pomegranate as a potential health functional food after further evaluation.
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Affiliation(s)
- Reshmi Akter
- Graduate School of Biotechnology, College of Life Sciences, Kyung Hee University, Seoul, Gyeonggi-do, South Korea
| | - Jong Chan Ahn
- Graduate School of Biotechnology, College of Life Sciences, Kyung Hee University, Seoul, Gyeonggi-do, South Korea
| | - Jinnatun Nahar
- Graduate School of Biotechnology, College of Life Sciences, Kyung Hee University, Seoul, Gyeonggi-do, South Korea
| | - Muhammad Awais
- Graduate School of Biotechnology, College of Life Sciences, Kyung Hee University, Seoul, Gyeonggi-do, South Korea
| | - Zelika Mega Ramadhania
- Graduate School of Biotechnology, College of Life Sciences, Kyung Hee University, Seoul, Gyeonggi-do, South Korea
| | - Se-Woung Oh
- SMART FRUIT CO., LTD., Guri, Gyeonggi-do, South Korea
| | - Ji-Hyung Oh
- Fruitycompany Co., Ltd., Guri, Gyeonggi-do, South Korea
| | - Byoung Man Kong
- Department of Oriental Medicinal Biotechnology, College of Life Sciences, Kyung Hee University, Seoul, Gyeonggi-do, South Korea
| | - Esrat Jahan Rupa
- Graduate School of Biotechnology, College of Life Sciences, Kyung Hee University, Seoul, Gyeonggi-do, South Korea
| | | | - Deok Chun Yang
- Graduate School of Biotechnology, College of Life Sciences, Kyung Hee University, Seoul, Gyeonggi-do, South Korea
- *Correspondence: Deok Chun Yang, ; Se Chan kang,
| | - Se Chan kang
- Graduate School of Biotechnology, College of Life Sciences, Kyung Hee University, Seoul, Gyeonggi-do, South Korea
- *Correspondence: Deok Chun Yang, ; Se Chan kang,
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10
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Singh P, Chauhan PK, Upadhyay SK, Singh RK, Dwivedi P, Wang J, Jain D, Jiang M. Mechanistic Insights and Potential Use of Siderophores Producing Microbes in Rhizosphere for Mitigation of Stress in Plants Grown in Degraded Land. Front Microbiol 2022; 13:898979. [PMID: 35898908 PMCID: PMC9309559 DOI: 10.3389/fmicb.2022.898979] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/09/2022] [Indexed: 12/20/2022] Open
Abstract
Plant growth performance under a stressful environment, notably in the agriculture field, is directly correlated with the rapid growth of the human population, which triggers the pressure on crop productivity. Plants perceived many stresses owing to degraded land, which induces low plant productivity and, therefore, becomes a foremost concern for the future to face a situation of food scarcity. Land degradation is a very notable environmental issue at the local, regional, and global levels for agriculture. Land degradation generates global problems such as drought desertification, heavy metal contamination, and soil salinity, which pose challenges to achieving many UN Sustainable Development goals. The plant itself has a varied algorithm for the mitigation of stresses arising due to degraded land; the rhizospheric system of the plant has diverse modes and efficient mechanisms to cope with stress by numerous root-associated microbes. The suitable root-associated microbes and components of root exudate interplay against stress and build adaptation against stress-mediated mechanisms. The problem of iron-deficient soil is rising owing to increasing degraded land across the globe, which hampers plant growth productivity. Therefore, in the context to tackle these issues, the present review aims to identify plant-stress status owing to iron-deficient soil and its probable eco-friendly solution. Siderophores are well-recognized iron-chelating agents produced by numerous microbes and are associated with the rhizosphere. These siderophore-producing microbes are eco-friendly and sustainable agents, which may be managing plant stresses in the degraded land. The review also focuses on the molecular mechanisms of siderophores and their chemistry, cross-talk between plant root and siderophores-producing microbes to combat plant stress, and the utilization of siderophores in plant growth on degraded land.
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Affiliation(s)
- Pratiksha Singh
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, School of Marine Sciences and Biotechnology, Guangxi Minzu University, Nanning, China
| | - Prabhat K. Chauhan
- Department of Environmental Science, Veer Bahadur Singh Purvanchal University, Jaunpur, India
| | - Sudhir K. Upadhyay
- Department of Environmental Science, Veer Bahadur Singh Purvanchal University, Jaunpur, India
- Sudhir K. Upadhyay
| | - Rajesh Kumar Singh
- Guangxi Key Laboratory of Sugarcane Genetic Improvement, Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, China
| | - Padmanabh Dwivedi
- Department of Plant Physiology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, India
| | - Jing Wang
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, School of Marine Sciences and Biotechnology, Guangxi Minzu University, Nanning, China
| | - Devendra Jain
- Department of Molecular Biology and Biotechnology, Maharana Pratap University of Agriculture and Technology, Udaipur, India
| | - Mingguo Jiang
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, School of Marine Sciences and Biotechnology, Guangxi Minzu University, Nanning, China
- *Correspondence: Mingguo Jiang
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11
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Microbial Turnover and Dispersal Events Occur in Synchrony with Plant Phenology in the Perennial Evergreen Tree Crop Citrus sinensis. mBio 2022; 13:e0034322. [PMID: 35642946 PMCID: PMC9239260 DOI: 10.1128/mbio.00343-22] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Emerging research indicates that plant-associated microbes can alter plant developmental timing. However, it is unclear if host phenology affects microbial community assembly. Microbiome studies in annual or deciduous perennial plants face challenges in separating effects of tissue age from phenological driven effects on the microbiome. In contrast, evergreen perennial trees, like Citrus sinensis, retain leaves for years, allowing for uniform sampling of similarly aged leaves from the same developmental cohort. This aids in separating phenological effects on the microbiome from impacts due to annual leaf maturation/senescence. Here, we used this system to test the hypothesis that host phenology acts as a driver of microbiome composition. Citrus sinensis leaves and roots were sampled during seven phenological stages. Using amplicon-based sequencing, followed by diversity, phylogenetic, differential abundance, and network analyses, we examined changes in bacterial and fungal communities. Host phenological stage is the main determinant of microbiome composition, particularly within the foliar bacteriome. Microbial enrichment/depletion patterns suggest that microbial turnover and dispersal were driving these shifts. Moreover, a subset of community shifts were phylogenetically conserved across bacterial clades, suggesting that inherited traits contribute to microbe-microbe and/or plant-microbe interactions during specific phenophases. Plant phenology influences microbial community composition. These findings enhance understanding of microbiome assembly and identify microbes that potentially influence plant development and reproduction. IMPORTANCE Research at the forefront of plant microbiome studies indicates that plant-associated microbes can alter the timing of plant development (phenology). However, it is unclear if host phenological stage affects microbial community assembly. Microbiome studies in annual or deciduous perennial plants can face difficulty in separating effects of tissue age from phenological driven effects on the microbiome. Evergreen perennial plants, like sweet orange, maintain mature leaves for multiple years, allowing for uniform sampling of similarly aged tissue across host reproductive stages. Using this system, multiyear sampling, and high-throughput sequencing, we identified plant phenology as a major driver of microbiome composition, particularly within the leaf-associated bacterial communities. Distinct changes in microbial patterns suggest that microbial turnover and dispersal are mechanisms driving these community shifts. Additionally, closely related bacteria have similar abundance patterns across plant stages, indicating that inherited microbial traits may influence how bacteria respond to host developmental changes. Overall, this study illustrates that plant phenology does indeed govern microbiome seasonal shifts and identifies microbial candidates that may affect plant reproduction and development.
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12
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Barakat H, Qureshi KA, Alsohim AS, Rehan M. The Purified Siderophore from Streptomyces tricolor HM10 Accelerates Recovery from Iron-Deficiency-Induced Anemia in Rats. Molecules 2022; 27:molecules27134010. [PMID: 35807259 PMCID: PMC9268400 DOI: 10.3390/molecules27134010] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/16/2022] [Accepted: 06/19/2022] [Indexed: 02/06/2023] Open
Abstract
Iron-deficiency-induced anemia is associated with poor neurological development, including decreased learning ability, altered motor functions, and numerous pathologies. Siderophores are iron chelators with low molecular weight secreted by microorganisms. The proposed catechol-type pathway was identified based on whole-genome sequences and bioinformatics tools. The intended pathway consists of five genes involved in the biosynthesis process. Therefore, the isolated catechol-type siderophore (Sid) from Streptomyces tricolor HM10 was evaluated through an anemia-induced rat model to study its potential to accelerate recovery from anemia. Rats were subjected to an iron-deficient diet (IDD) for 42 days. Anemic rats (ARs) were then divided into six groups, and normal rats (NRs) fed a standard diet (SD) were used as a positive control group. For the recovery experiment, ARs were treated as a group I; fed an IDD (AR), group II; fed an SD (AR + SD), group III, and IV, fed an SD with an intraperitoneal injection of 1 μg Sid Kg-1 (AR + SD + Sid1) and 5 μg Sid Kg-1 (AR + SD + Sid5) twice per week. Group V and VI were fed an iron-enriched diet (IED) with an intraperitoneal injection of 1 μg Sid Kg-1 (AR + IED + Sid1) and 5 μg Sid Kg-1 (AR + IED + Sid5) twice per week, respectively. Weight gain, food intake, food efficiency ratio, organ weight, liver iron concentration (LIC) and plasma (PIC), and hematological parameters were investigated. The results showed that ~50-60 mg Sid L-1 medium could be producible, providing ~25-30 mg L-1 purified Sid under optimal conditions. Remarkably, the AR group fed an SD with 5 μg Sid Kg-1 showed the highest weight gain. The highest feed efficiency was observed in the AR + SD + Sid5 group, which did not significantly differ from the SD group. Liver, kidneys, and spleen weight indicated that diet and Sid concentration were related to weight recovery in a dose-dependent manner. Liver iron concentration (LIC) in the AR + IED + Sid1 and AR + IED + Sid5 groups was considerably higher than in the AR + SD + Sid1 AR + SD + Sid5 groups or the AR + SD group compared to the AR group. All hematological parameters in the treated groups were significantly closely attenuated to SD groups after 28 days, confirming the efficiency of the anemia recovery treatments. Significant increases were obtained in the AR + SD + Sid5 and AR + IED + Sid5 groups on day 14 and day 28 compared to the values for the AR + SD + Sid1 and AR + IED + Sid1 groups. The transferrin saturation % (TSAT) and ferritin concentration (FC) were significantly increased with time progression in the treated groups associatively with PIC. In comparison, the highest significant increases were noticed in ARs fed IEDs with 5 μg Kg-1 Sid on days 14 and 28. In conclusion, this study indicated that Sid derived from S. tricolor HM10 could be a practical and feasible iron-nutritive fortifier when treating iron-deficiency-induced anemia (IDA). Further investigation focusing on its mechanism and kinetics is needed.
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Affiliation(s)
- Hassan Barakat
- Department of Food Science and Human Nutrition, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia
- Department of Food Technology, Faculty of Agriculture, Benha University, Moshtohor 13736, Egypt
- Correspondence: or ; Tel.: +966-547141277
| | - Kamal A. Qureshi
- Department of Pharmaceutics, Unaizah College of Pharmacy, Qassim University, Unaizah 51911, Saudi Arabia;
- Faculty of Biosciences and Biotechnology, Invertis University, Bareilly 243123, Uttar Pradesh, India
| | - Abdullah S. Alsohim
- Department of Plant Production and Protection, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia; (A.S.A.); (M.R.)
| | - Medhat Rehan
- Department of Plant Production and Protection, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia; (A.S.A.); (M.R.)
- Department of Genetics, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh 33516, Egypt
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13
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Yin J, Zhuang J, Zhang X, Xu C, Lv S. Ginseng of different ages is affected by the accumulation of heavy metals in ginseng soil. PLoS One 2022; 17:e0269238. [PMID: 35696360 PMCID: PMC9191705 DOI: 10.1371/journal.pone.0269238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 05/17/2022] [Indexed: 11/18/2022] Open
Abstract
Heavy-metal pollution has been established to affect ginseng quality. However, this effect is still unknown in ginseng of different ages, emphasizing the need to investigate the effects of heavy metals in soils on ginseng growth. Herein, we determined the content of heavy metals (Cu, Cd, Pb, Hg, and As) in ginseng of different ages (2 to 6-year-old) and the corresponding soil samples. Then, the total ginsenosides content of ginseng and rate-limiting enzyme (HMGR, SQE, CYP450) activity in the synthesis of ginsenosides were assessed. Results from 200 differently-aged Chinese ginseng showed that increased ginsenoside content in 3 to 5-year-old ginseng was paralleled by increased heavy metal element content in ginseng and its soil. The activity of rate-limiting enzymes increased in the first four years of ginseng growth and then exhibited a steady or downward trend. Further analysis suggested that heavy metal elements in soils could directly affect ginsenoside content. Moreover, we found that Cu significantly affected the rate-limiting enzyme CYP450 activity. Further principal component analysis and correlation analysis found that heavy metals could obviously inhibit ginseng growth during the 5th and 6th years. Heavy metal content in soils has huge prospects for predicting ginsenoside, Cu and As content in ginseng. This study provided support for ginseng cultivation, quality research and quality assessment.
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Affiliation(s)
- Juxin Yin
- School of Information and Electrical Engineering, Zhejiang University City College, Hangzhou, People’s Republic of China
| | - Jianjian Zhuang
- Department of Clinical Pharmacology, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People’s Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Xin Zhang
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, College of Life Science, Jilin University, Changchun, China
| | - Chaojian Xu
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, College of Life Science, Jilin University, Changchun, China
| | - Shaowu Lv
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, College of Life Science, Jilin University, Changchun, China
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14
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The Rhizosphere Microbiome of Ginseng. Microorganisms 2022; 10:microorganisms10061152. [PMID: 35744670 PMCID: PMC9231392 DOI: 10.3390/microorganisms10061152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 05/30/2022] [Accepted: 06/01/2022] [Indexed: 12/04/2022] Open
Abstract
The rhizosphere of ginseng contains a wide range of microorganisms that can have beneficial or harmful effects on the plant. Root exudates of ginseng, particularly ginsenosides and phenolic acids, appear to select for particular microbial populations through their stimulatory and inhibitory activities, which may account for the similarities between the rhizosphere microbiomes of different cultivated species of Panax. Many practices of cultivation attempt to mimic the natural conditions of ginseng as an understory plant in hilly forested areas. However, these practices are often disruptive to soil, and thus the soil microbiome differs between wild and cultivated ginseng. Changes in the microbiome during cultivation can be harmful as they have been associated with negative changes of the soil physiochemistry as well as the promotion of plant diseases. However, isolation of a number of beneficial microbes from the ginseng rhizosphere indicates that many have the potential to improve ginseng production. The application of high-throughput sequencing to study the rhizosphere microbiome of ginseng grown under a variety of conditions continues to greatly expand our knowledge of the diversity and abundance of those organisms as well as their impacts of cultivation. While there is much more to be learnt, many aspects of the ginseng rhizosphere microbiome have already been revealed.
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15
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Jiang Y, Song Y, Jiang C, Li X, Liu T, Wang J, Chen C, Gao J. Identification and Characterization of Arthrobacter nicotinovorans JI39, a Novel Plant Growth-Promoting Rhizobacteria Strain From Panax ginseng. FRONTIERS IN PLANT SCIENCE 2022; 13:873621. [PMID: 35615118 PMCID: PMC9125309 DOI: 10.3389/fpls.2022.873621] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 03/28/2022] [Indexed: 06/15/2023]
Abstract
A bacterial strain JI39 that had plant growth-promoting traits was isolated from the rhizosphere soil of Panax ginseng. It had the ability to produce high indole-3-acetic acid (13.1 μg/ml), phosphate solubilization (164.2 μg/ml), potassium solubilization (16.1 μg/ml), and nitrogen fixation. The strain JI39 was identified to be Arthrobacter nicotinovorans based on morphological, physiological, and biochemical traits and through 16S rDNA sequence analysis. The optimal culture environment for strain growth was 1.0% NaCl, 30°C, pH 6.0, and without UV irradiation. The strain can produce cellulase and protease. The strain JI39 can significantly promote the growth of ginseng. After ginseng seeds were treated with 3 × 108 CFU/ml of JI39 bacterial suspension, the shoot's length was significantly increased by 64.61% after 15 days. Meanwhile, the fresh weight of 2-year-old ginseng roots was significantly increased by 24.70% with a treatment by the 108 CFU/ml bacterial suspension after 150 days in the field. The gene expression of phenylalanine ammonia-lyase (PAL), β-1.3 glucanase (β-1,3-GA), chitinase (CHI), superoxide dismutase (SOD), and peroxidase (POD) of ginseng was upregulated, and it also can improve the soil urease, phosphatase, invertase, and catalase activity. In conclusion, the bacterial strain JI39 could efficiently promote the growth of ginseng and has the potential to be a good microbial fertilizer for ginseng.
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Affiliation(s)
- Yun Jiang
- College of Life Science, Jilin Agricultural University, Changchun, China
- Jilin Key Laboratory of Green Management on Crop Diseases and Pests, Jilin Agricultural University, Changchun, China
| | - Yu Song
- College of Life Science, Jilin Agricultural University, Changchun, China
| | - Chengyang Jiang
- College of Life Science, Jilin Agricultural University, Changchun, China
| | - Xiang Li
- College of Life Science, Jilin Agricultural University, Changchun, China
| | - Tingting Liu
- College of Life Science, Jilin Agricultural University, Changchun, China
| | - Jiarui Wang
- College of Life Science, Jilin Agricultural University, Changchun, China
| | - Changqing Chen
- Jilin Key Laboratory of Green Management on Crop Diseases and Pests, Jilin Agricultural University, Changchun, China
- College of Plant Protection, Jilin Agricultural University, Changchun, China
| | - Jie Gao
- Jilin Key Laboratory of Green Management on Crop Diseases and Pests, Jilin Agricultural University, Changchun, China
- College of Plant Protection, Jilin Agricultural University, Changchun, China
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16
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Yankey R, Omoor INA, Karanja JK, Wang L, Urga RT, Fang CH, Dongmei L, Lin H, Okal JE, Datti IL, Nsanzinshuti A, Rensing C, Lin Z. Metabolic properties, gene functions, and biosafety analysis reveal the action of three rhizospheric plant growth-promoting bacteria of Jujuncao (Pennisetum giganteum). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:38435-38449. [PMID: 35079973 DOI: 10.1007/s11356-021-17854-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 11/26/2021] [Indexed: 06/14/2023]
Abstract
This study aimed to identify the specific genes associated with plant growth promotion and cadmium tolerance in three bacteria strains associated with Pennisetum giganteum as well as to determine their biosafety levels in their potential use as biofertilizers for promoting plant growth and phytoremediation activities. The plant growth-promoting (PGP) abilities of Enterobacter cloacae strain RCB980 (A3), Klebsiella pneumonia strain kpa (A4), and Klebsiella sp. strain XT-2 (A7) were determined by a growth promotion trial and through testing for PGP traits such as 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase enzyme production, phosphorus solubilization, siderophore synthesis, and indole-3 acetic acid (IAA) production. The genes that potentially contribute to the beneficial activities of these three strains were identified through an analysis of their genomes. To establish the biosafety of the candidate PGPB, a pathological study was undertaken whereby 20 Kunming mice were injected intraperitoneally to study and analyze the effects of the strains on growth and lung paraffin sections of the mice. The strains had no obvious toxicity effect on the tested mice and were therefore not considered as highly virulent strains. These strains are thus considered non-toxic, safe, and highly recommended for use in environmental remediation strategies and agricultural production.
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Affiliation(s)
- Richard Yankey
- China National Engineering Research Center of Juncao Technology, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China.
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China.
- Department of Soil Science, College of Agriculture and Natural Sciences, University of Cape Coast, Cape Coast, Ghana.
| | - Ibrahim N A Omoor
- China National Engineering Research Center of Juncao Technology, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Joseph K Karanja
- Center for Plant Water-Use and Nutrition Regulation, Joint International Research Laboratory of Water and Nutrient in Crops, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Lifang Wang
- China National Engineering Research Center of Juncao Technology, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Regassa Terefe Urga
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Chew Hui Fang
- China National Engineering Research Center of Juncao Technology, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Lin Dongmei
- China National Engineering Research Center of Juncao Technology, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Hui Lin
- China National Engineering Research Center of Juncao Technology, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Jacob Eyalira Okal
- China National Engineering Research Center of Juncao Technology, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Ibrahim Lawandi Datti
- China National Engineering Research Center of Juncao Technology, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Aimable Nsanzinshuti
- China National Engineering Research Center of Juncao Technology, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Christopher Rensing
- Institute of Environmental Microbiology, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Zhanxi Lin
- China National Engineering Research Center of Juncao Technology, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
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17
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Rizvi A, Ahmed B, Khan MS, El-Beltagi HS, Umar S, Lee J. Bioprospecting Plant Growth Promoting Rhizobacteria for Enhancing the Biological Properties and Phytochemical Composition of Medicinally Important Crops. Molecules 2022; 27:molecules27041407. [PMID: 35209196 PMCID: PMC8880754 DOI: 10.3390/molecules27041407] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 02/03/2022] [Accepted: 02/15/2022] [Indexed: 12/04/2022] Open
Abstract
Traditionally, medicinal plants have long been used as a natural therapy. Plant-derived extracts or phytochemicals have been exploited as food additives and for curing many health-related ailments. The secondary metabolites produced by many plants have become an integral part of human health and have strengthened the value of plant extracts as herbal medicines. To fulfil the demand of health care systems, food and pharmaceutical industries, interest in the cultivation of precious medicinal plants to harvest bio-active compounds has increased considerably worldwide. To achieve maximum biomass and yield, growers generally apply chemical fertilizers which have detrimental impacts on the growth, development and phytoconstituents of such therapeutically important plants. Application of beneficial rhizosphere microbiota is an alternative strategy to enhance the production of valuable medicinal plants under both conventional and stressed conditions due to its low cost, environmentally friendly behaviour and non-destructive impact on fertility of soil, plants and human health. The microbiological approach improves plant growth by various direct and indirect mechanisms involving the abatement of various abiotic stresses. Given the negative impacts of fertilizers and multiple benefits of microbiological resources, the role of plant growth promoting rhizobacteria (PGPR) in the production of biomass and their impact on the quality of bio-active compounds (phytochemicals) and mitigation of abiotic stress to herbal plants have been described in this review. The PGPR based enhancement in the herbal products has potential for use as a low cost phytomedicine which can be used to improve health care systems.
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Affiliation(s)
- Asfa Rizvi
- Department of Botany, School of Chemical and Life Sciences, Jamia Hamdard, Hamdard Nagar, New Delhi 110062, India; (A.R.); (S.U.)
| | - Bilal Ahmed
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Korea;
- Correspondence: (B.A.); (H.S.E.-B.)
| | - Mohammad Saghir Khan
- Department of Agricultural Microbiology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh 202002, India;
| | - Hossam S. El-Beltagi
- Agricultural Biotechnology Department, College of Agriculture and Food Sciences, King Faisal University, P.O. Box 420, Al-Ahsa 31982, Saudi Arabia
- Biochemistry Department, Faculty of Agriculture, Cairo University, Gamma St., Cairo 12613, Egypt
- Correspondence: (B.A.); (H.S.E.-B.)
| | - Shahid Umar
- Department of Botany, School of Chemical and Life Sciences, Jamia Hamdard, Hamdard Nagar, New Delhi 110062, India; (A.R.); (S.U.)
| | - Jintae Lee
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Korea;
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18
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Madline A, Benidire L, Boularbah A. Alleviation of salinity and metal stress using plant growth-promoting rhizobacteria isolated from semiarid Moroccan copper-mine soils. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:67185-67202. [PMID: 34247350 DOI: 10.1007/s11356-021-15168-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 06/23/2021] [Indexed: 06/13/2023]
Abstract
Phytoremediation is an eco-friendly method for rehabilitation of mine tailing. Some heavy metals and salt-tolerant plant growth-promoting rhizobacteria (PGPR) could be beneficial in alleviating soil salinity and heavy metal stress during plant growth. The aim of this work is to select PGPR that could be used in phytoremediation process. Twenty-nine rhizobacteria are examined for their ability to grow at increasing concentrations of NaCl, Zn, Pb, Cu, and Cd. The results showed that seventeen rhizobacteria displayed high salinity and metal tolerance up to 100 g L-1 of NaCl, 5 mM of Cd, 9 mM of Pb, 10 mM of Zn, and 6 mM of Cu. Moreover, almost all tested bacteria maintained their PGP traits under 10% of NaCl and multi-metal stress. Based on seedling bioassay under metallic and salt stress, using Peganum harmala L. and Lactuca sativa L., beneficial effects of seed inoculation with bacterial consortia (Mesorhizobium tamadayense, Enterobacter xiangfangensis, Pseudomonas azotifigens, and Streptomyces caelestis) have been observed in terms of root and shoot elongation. Our results show that the stress-tolerant consortium used has a great potential to sustain plants establishment in heavily disturbed soils.
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Affiliation(s)
- Atika Madline
- Université Cadi-Ayyad, Faculté des Sciences et Techniques Marrakech, Laboratoire Bioressources et Sécurité Sanitaire des Aliments, BP 549, M-40000, Guéliz, Marrakech, Morocco
| | - Leila Benidire
- Université Cadi-Ayyad, Faculté des Sciences et Techniques Marrakech, Laboratoire Bioressources et Sécurité Sanitaire des Aliments, BP 549, M-40000, Guéliz, Marrakech, Morocco
| | - Ali Boularbah
- Université Cadi-Ayyad, Faculté des Sciences et Techniques Marrakech, Laboratoire Bioressources et Sécurité Sanitaire des Aliments, BP 549, M-40000, Guéliz, Marrakech, Morocco.
- Center of Excellence for Soil and Africa Research in Africa, AgroBioSciences, Mohammed VI Polytechnique - University Lot 660, Hay Moulay Rachid, Ben Guerir, Morocco.
- Université Cadi Ayyad, Ecole Supérieure de Technologie, El Kelâa des Sraghna, Morocco.
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19
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Singh P, Khan A, Kumar R, Kumar R, Singh VK, Srivastava A. Recent developments in siderotyping: procedure and application. World J Microbiol Biotechnol 2020; 36:178. [PMID: 33128090 DOI: 10.1007/s11274-020-02955-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 10/27/2020] [Indexed: 12/31/2022]
Abstract
Siderophores are metal chelating secondary metabolites secreted by almost all organisms. Beside iron starvation, the ability to produce siderophores depends upon several other factors. Chemical structure of siderophore is very complex with vast structural diversity, thus the principle challenge involves its detection, quantification, purification and characterisation. Metal chelation is its most fascinating attribute. This metal chelation property is now forming the basis of its application as molecular markers, siderotyping tool for taxonomic clarification, biosensors and bioremediation agents. This has led researchers to develop and continuously modify previous techniques in order to provide accurate and reproducible methods of studying siderophores. Knowledge obtained via computational approaches provides a new horizon in the field of siderophore biosynthetic gene clusters and their interaction with various proteins/peptides. This review illustrates various techniques, bioinformatics tools and databases employed in siderophores' studies, the principle of analytical methods and their recent applications.
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Affiliation(s)
- Pratika Singh
- Department of Life Science, School of Earth, Biological and Environmental Sciences, Central University of South Bihar, Gaya, 824236, India
| | - Azmi Khan
- Department of Life Science, School of Earth, Biological and Environmental Sciences, Central University of South Bihar, Gaya, 824236, India
| | - Rakesh Kumar
- Department of Bioinformatics, School of Earth, Biological and Environmental Sciences, Central University of South Bihar, Gaya, 824236, India
| | - Ravinsh Kumar
- Department of Life Science, School of Earth, Biological and Environmental Sciences, Central University of South Bihar, Gaya, 824236, India
| | - Vijay Kumar Singh
- Department of Bioinformatics, School of Earth, Biological and Environmental Sciences, Central University of South Bihar, Gaya, 824236, India
| | - Amrita Srivastava
- Department of Life Science, School of Earth, Biological and Environmental Sciences, Central University of South Bihar, Gaya, 824236, India.
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20
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Kim YJ, Park JY, Balusamy SR, Huo Y, Nong LK, Thi Le H, Yang DC, Kim D. Comprehensive Genome Analysis on the Novel Species Sphingomonas panacis DCY99 T Reveals Insights into Iron Tolerance of Ginseng. Int J Mol Sci 2020; 21:E2019. [PMID: 32188055 PMCID: PMC7139845 DOI: 10.3390/ijms21062019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 03/11/2020] [Accepted: 03/13/2020] [Indexed: 11/18/2022] Open
Abstract
Plant growth-promoting rhizobacteria play vital roles not only in plant growth, but also in reducing biotic/abiotic stress. Sphingomonas panacis DCY99T is isolated from soil and root of Panax ginseng with rusty root disease, characterized by raised reddish-brown root and this is seriously affects ginseng cultivation. To investigate the relationship between 159 sequenced Sphingomonas strains, pan-genome analysis was carried out, which suggested genomic diversity of the Sphingomonas genus. Comparative analysis of S. panacis DCY99T with Sphingomonas sp. LK11 revealed plant growth-promoting potential of S. panacis DCY99T through indole acetic acid production, phosphate solubilizing, and antifungal abilities. Detailed genomic analysis has shown that S. panacis DCY99T contain various heavy metals resistance genes in its genome and the plasmid. Functional analysis with Sphingomonas paucimobilis EPA505 predicted that S. panacis DCY99T possess genes for degradation of polyaromatic hydrocarbon and phenolic compounds in rusty-ginseng root. Interestingly, when primed ginseng with S. panacis DCY99T during high concentration of iron exposure, iron stress of ginseng was suppressed. In order to detect S. panacis DCY99T in soil, biomarker was designed using spt gene. This study brings new insights into the role of S. panacis DCY99T as a microbial inoculant to protect ginseng plants against rusty root disease.
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Affiliation(s)
- Yeon-Ju Kim
- College of Life Science, Kyung Hee University, Yongin 16710, Korea; (Y.H.); (D.C.Y.)
| | - Joon Young Park
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea; (J.Y.P.); (L.K.N.); (H.T.L.)
| | | | - Yue Huo
- College of Life Science, Kyung Hee University, Yongin 16710, Korea; (Y.H.); (D.C.Y.)
| | - Linh Khanh Nong
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea; (J.Y.P.); (L.K.N.); (H.T.L.)
| | - Hoa Thi Le
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea; (J.Y.P.); (L.K.N.); (H.T.L.)
| | - Deok Chun Yang
- College of Life Science, Kyung Hee University, Yongin 16710, Korea; (Y.H.); (D.C.Y.)
| | - Donghyuk Kim
- School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea; (J.Y.P.); (L.K.N.); (H.T.L.)
- School of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea
- Korean Genomics Industrialization and Commercialization Center, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea
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