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Li X, Mushtaq N, Xing N, Wu S, Liu J, Wang Z. Efficient In Vitro Regeneration System and Comparative Transcriptome Analysis Offer Insight into the Early Development Characteristics of Explants from Cotyledon with Partial Petiole in Small-Fruited Pepper ( Capsicum annuum). Int J Mol Sci 2024; 25:7547. [PMID: 39062790 PMCID: PMC11277545 DOI: 10.3390/ijms25147547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 07/01/2024] [Accepted: 07/06/2024] [Indexed: 07/28/2024] Open
Abstract
In our research, we utilized six small-fruited pepper germplasms as materials, selected cotyledons with the petiole and hypocotyls as explants, and conducted in vitro regeneration studies. Our outcomes specify that the most suitable explant is cotyledon with the petiole, and the suitable genotype is HNUCA341. The optimal medium for inducing and elongating adventitious buds for this genotype is Murashige and Skoog medium (MS) + 9.12 μM Zeatin (ZT) + 0.57 μM 3-Indoleacetic acid (IAA), with a bud induction rate of 44.4%. The best rooting induction medium is MS + 1.14 μM IAA, with a rooting rate of 86.7%. Research on the addition of exogenous hormones has revealed that the induction speed of buds in small-fruited pepper (HNUCA341) in the combination of ZT and IAA hormones (abbreviated as ZI) is quicker, and the induction effect is better. The histological observations indicate that ZI treatment accelerates the initiation of explant division and differentiation, causing a shorter duration of vascular-bundle tissue production. The plant hormone signaling pathway was significantly enriched by Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis, including ARR9 (LOC107843874, LOC107843885), ARR4 (LOC107848380, LOC107862455), AHK4 (LOC107870540), AHP1 (LOC107839518), LAX2 (LOC107846008), SAUR36 (LOC107852624), IAA8 (LOC107841020), IAA16 (LOC107839415), PYL4 (LOC107843441), and PYL6 (LOC107871127); these significantly enriched genes may be associated with in vitro regeneration. In addition, the carbon metabolism pathway and plant mitogen-activated protein kinase (MAPK) signaling pathway are also significantly enriched in KEGG. The results of the Gene Ontology (GO) analysis revealed that differentially expressed genes related to carbon metabolism and fixation, photosynthesis and MAPK signaling pathways were upregulated under ZI treatment. It was found that they might be associated with enhanced regeneration in vitro. Furthermore, we also screened out differentially expressed transcription factors, primarily from the MYB, bHLH, AP2/ERF, and NAC families. Overall, our work accumulated important data for the in-depth analysis of the molecular mechanism of in vitro regeneration of pepper, and provides valuable germplasm for establishing an efficient stable pepper genetic-transformation system based on tissue culture.
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Affiliation(s)
- Xiaoqi Li
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Center of Nanfan and High-Efficiency Tropical Agriculture, Hainan University, Sanya 572025, China; (X.L.); (N.M.); (N.X.); (S.W.); (J.L.)
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Naveed Mushtaq
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Center of Nanfan and High-Efficiency Tropical Agriculture, Hainan University, Sanya 572025, China; (X.L.); (N.M.); (N.X.); (S.W.); (J.L.)
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Na Xing
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Center of Nanfan and High-Efficiency Tropical Agriculture, Hainan University, Sanya 572025, China; (X.L.); (N.M.); (N.X.); (S.W.); (J.L.)
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Shuhua Wu
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Center of Nanfan and High-Efficiency Tropical Agriculture, Hainan University, Sanya 572025, China; (X.L.); (N.M.); (N.X.); (S.W.); (J.L.)
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Jiancheng Liu
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Center of Nanfan and High-Efficiency Tropical Agriculture, Hainan University, Sanya 572025, China; (X.L.); (N.M.); (N.X.); (S.W.); (J.L.)
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Zhiwei Wang
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Center of Nanfan and High-Efficiency Tropical Agriculture, Hainan University, Sanya 572025, China; (X.L.); (N.M.); (N.X.); (S.W.); (J.L.)
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
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Chen C, Hu Y, Ikeuchi M, Jiao Y, Prasad K, Su YH, Xiao J, Xu L, Yang W, Zhao Z, Zhou W, Zhou Y, Gao J, Wang JW. Plant regeneration in the new era: from molecular mechanisms to biotechnology applications. SCIENCE CHINA. LIFE SCIENCES 2024; 67:1338-1367. [PMID: 38833085 DOI: 10.1007/s11427-024-2581-2] [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: 01/31/2024] [Accepted: 03/26/2024] [Indexed: 06/06/2024]
Abstract
Plants or tissues can be regenerated through various pathways. Like animal regeneration, cell totipotency and pluripotency are the molecular basis of plant regeneration. Detailed systematic studies on Arabidopsis thaliana gradually unravel the fundamental mechanisms and principles underlying plant regeneration. Specifically, plant hormones, cell division, epigenetic remodeling, and transcription factors play crucial roles in reprogramming somatic cells and reestablishing meristematic cells. Recent research on basal non-vascular plants and monocot crops has revealed that plant regeneration differs among species, with various plant species using distinct mechanisms and displaying significant differences in regenerative capacity. Conducting multi-omics studies at the single-cell level, tracking plant regeneration processes in real-time, and deciphering the natural variation in regenerative capacity will ultimately help understand the essence of plant regeneration, improve crop regeneration efficiency, and contribute to future crop design.
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Affiliation(s)
- Chunli Chen
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, 430070, China.
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Yuxin Hu
- Key Laboratory of Plant Molecular Physiology, Institute of Botany, Chinese Academy of Sciences (CAS), China National Botanical Garden, Beijing, 100093, China.
| | - Momoko Ikeuchi
- Division of Biological Sciences, Graduate School of Science and Technology, Nara Institute of Science and Technology, Nara, 630-0192, Japan.
| | - Yuling Jiao
- State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Peking University, Beijing, 100871, China.
- Peking-Tsinghua Center for Life Sciences, Center for Quantitative Biology, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China.
| | - Kalika Prasad
- Indian Institute of Science Education and Research, Pune, 411008, India.
- , Thiruvananthapuram, 695551, India.
| | - Ying Hua Su
- State Key Laboratory of Wheat Improvement, College of Life Sciences, Shandong Agricultural University, Tai'an, 271018, China.
- Sino-German Joint Research Center on Agricultural Biology, Shandong Agricultural University, Tai'an, 271018, China.
| | - Jun Xiao
- Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology (IGDB), CAS, Beijing, 100101, China.
- CAS-JIC Centre of Excellence for Plant and Microbial Science (CEPAMS), IGDB, CAS, Beijing, 100101, China.
| | - Lin Xu
- National Key Laboratory of Plant Molecular Genetics, CEMPS, Institute of Plant Physiology and Ecology (SIPPE), CAS, Shanghai, 200032, China.
| | - Weibing Yang
- National Key Laboratory of Plant Molecular Genetics, CEMPS, Institute of Plant Physiology and Ecology (SIPPE), CAS, Shanghai, 200032, China.
- CEPAMS, SIPPE, CAS, Shanghai, 200032, China.
| | - Zhong Zhao
- Hefei National Laboratory for Physical Sciences at the Microscale, CEMPS, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230027, China.
| | - Wenkun Zhou
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing, 100193, China.
| | - Yun Zhou
- Department of Botany and Plant Pathology and Center for Plant Biology, Purdue University, West Lafayette, 47907, USA.
| | - Jian Gao
- National Key Laboratory of Plant Molecular Genetics, CEMPS, Institute of Plant Physiology and Ecology (SIPPE), CAS, Shanghai, 200032, China
| | - Jia-Wei Wang
- National Key Laboratory of Plant Molecular Genetics, CEMPS, Institute of Plant Physiology and Ecology (SIPPE), CAS, Shanghai, 200032, China.
- School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China.
- Key Laboratory of Plant Carbon Capture, CAS, Shanghai, 200032, China.
- New Cornerstone Science Laboratory, Shanghai, 200032, China.
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Teixeira SB, Pires SN, Ávila GE, Silva BEP, Schmitz VN, Deuner C, da Silva Armesto R, da Silva Moura D, Deuner S. Application of vigor indexes to evaluate the cold tolerance in rice seeds germination conditioned in plant extract. Sci Rep 2021; 11:11038. [PMID: 34040107 PMCID: PMC8154918 DOI: 10.1038/s41598-021-90487-x] [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: 10/12/2020] [Accepted: 05/11/2021] [Indexed: 11/09/2022] Open
Abstract
Rice is a crop that presents sensitivity to cold, especially in the germination phase, which leads to high economic losses. Alternative management forms are essential to increase tolerance to low temperatures, and seed priming represents a promising tool. The objective of this study was to investigate the priming effect of the aqueous extract of carrot roots on rice seeds to increase tolerance to low temperatures during germination. Seeds from cultivars BRS Querência (cold-susceptible) and Brilhante (cold-tolerant) were soaked for 24 h in concentrations of 0, 25, 50, and 100% carrot extract, sown on germitest paper and conditioned in BOD for 21 days at 15 °C. As a control, the seeds soaked in water were also germinated at 25 °C. They were evaluated for germination, first germination count, and germination speed index to calculate the stress indices: tolerance index, susceptibility index, and harmonic mean. They were also evaluated for the length and dry mass of shoot and root. The results showed that the rice seeds conditioning in carrot extract effectively reduces the damage caused by cold, significantly increasing the germination speed and the percentage of final germination and the growth evaluations, more expressive at 100% concentration. The stress indexes are efficient in estimating the tolerance of the cultivars and the effect of the different conditions in low-temperature conditions, highlighting the superiority of the Brilhante cultivar.
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Affiliation(s)
- Sheila Bigolin Teixeira
- Postgraduate Program in Seed Science and Technology, Eliseu Maciel Faculty of Agronomy, Federal University of Pelotas, Pelotas, Rio Grande do Sul, 96010-900, Brazil
| | - Stefânia Nunes Pires
- Postgraduate Program in Plant Physiology, Department of Botany, Institute of Biology, Federal University of Pelotas, Pelotas, Rio Grande do Sul, 96010-900, Brazil
| | - Gabriele Espinel Ávila
- Postgraduate Program in Plant Physiology, Department of Botany, Institute of Biology, Federal University of Pelotas, Pelotas, Rio Grande do Sul, 96010-900, Brazil
| | - Bruna Evelyn Paschoal Silva
- Postgraduate Program in Plant Physiology, Department of Botany, Institute of Biology, Federal University of Pelotas, Pelotas, Rio Grande do Sul, 96010-900, Brazil
| | - Victoria Novo Schmitz
- Postgraduate Program in Plant Physiology, Department of Botany, Institute of Biology, Federal University of Pelotas, Pelotas, Rio Grande do Sul, 96010-900, Brazil
| | - Cristiane Deuner
- Postgraduate Program in Seed Science and Technology, Eliseu Maciel Faculty of Agronomy, Federal University of Pelotas, Pelotas, Rio Grande do Sul, 96010-900, Brazil
| | - Rodrigo da Silva Armesto
- Eliseu Maciel Faculty of Agronomy, Federal University of Pelotas, Pelotas, Rio Grande do Sul, 96010-900, Brazil
| | | | - Sidnei Deuner
- Postgraduate Program in Plant Physiology, Department of Botany, Institute of Biology, Federal University of Pelotas, Pelotas, Rio Grande do Sul, 96010-900, Brazil.
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Kępczyńska E, Orłowska A. Profiles of endogenous ABA, bioactive GAs, IAA and their metabolites in Medicago truncatula Gaertn. non-embryogenic and embryogenic tissues during induction phase in relation to somatic embryo formation. PLANTA 2021; 253:67. [PMID: 33586054 PMCID: PMC7882586 DOI: 10.1007/s00425-021-03582-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 01/30/2021] [Indexed: 05/02/2023]
Abstract
During the 3-week-long induction phase, when M. truncatula cells leaf explants from non-embryogenic genotype (M9) and embryogenic variant (M9-10a) were forming the callus, biosynthesis and degradation of ABA, Gas and IAA proceeded at different levels. Induction of embryo formation is related to a lower ABA content, compared to the content of IAA and that of total bioactive GAs. Endogenous phytohormones are involved in the regulation of zygotic embryogenesis, but their role, especially of ABA, a plant growth inhibitor, in inducing somatic embryogenesis (SE) in angiosperms is still incompletely known. To arrive a better understanding of the ABA role in the process, we analyzed simultaneously and in detail changes in the contents of both ABA and five bioactive GAs (GA4, GA7, GA1, GA3, GA6) and IAA in M. truncatula non-embryogenic M9 (NE) and embryogenic M9-10a (E) genotypes. The initial leaf explants of both genotypes, and particularly NE, contained many times more ABA compared to the total bioactive GAs or IAA. In tissues during the entire 21-day induction all the hormones mentioned and their metabolites or conjugates were present; however, their contents were found to differ between the lines tested. The ABA level in primary explants of NE genotype was more than two times higher than that in E genotype. An even larger difference in the ABA content was found on the last day (day 21) of the induction phase (IP); the ABA content in E callus was over six times lower than in NE callus. In contrast, the IAA and GAs contents in primary explants of both genotypes in relation to ABA were low, but the contents of IAA and GAs exceeded that of ABA in the M9-10a tissues on the last day of IP. It is shown for the first time that endogenous ABA together with endogenous bioactive GAs and IAA is involved in acquisition of embryogenic competence in Medicago truncatula leaf somatic cells. These findings have a strong functional implication as they allow to improve the SE induction protocol.
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Affiliation(s)
- Ewa Kępczyńska
- Institute of Biology, University of Szczecin, Wąska 13, 71-415, Szczecin, Poland.
| | - Anna Orłowska
- Institute of Biology, University of Szczecin, Wąska 13, 71-415, Szczecin, Poland
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Song S, Yan R, Wang C, Wang J, Sun H. Improvement of a Genetic Transformation System and Preliminary Study on the Function of LpABCB21 and LpPILS7 Based on Somatic Embryogenesis in Lilium pumilum DC. Fisch. Int J Mol Sci 2020; 21:E6784. [PMID: 32947885 PMCID: PMC7554901 DOI: 10.3390/ijms21186784] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 09/07/2020] [Accepted: 09/14/2020] [Indexed: 11/16/2022] Open
Abstract
Auxin transport mediates the asymmetric distribution of auxin that determines the fate of cell development. Agrobacterium-mediated genetic transformation is an important technical means to study gene function. Our previous study showed that the expression levels of LpABCB21 and LpPILS7 are significantly up-regulated in the somatic embryogenesis (SE) of Lilium pumilum DC. Fisch. (L. pumilum), but the functions of both genes remain unclear. Here, the genetic transformation technology previously developed by our team based on the L. pumilum system was improved, and the genetic transformation efficiency increased by 5.7-13.0%. Use of overexpression and CRISPR/Cas9 technology produced three overexpression and seven mutant lines of LpABCB21, and seven overexpression and six mutant lines of LpPILS7. Analysis of the differences in somatic embryo induction of transgenic lines confirmed that LpABCB21 regulates the early formation of the somatic embryo; however, excessive expression level of LpABCB21 inhibits somatic embryo induction efficiency. LpPILS7 mainly regulates somatic embryo induction efficiency. This study provides a more efficient method of genetic transformation of L. pumilum. LpABCB21 and LpPILS7 are confirmed to have important regulatory roles in L. pumilum SE thus laying the foundation for subsequent studies of the molecular mechanism of Lilium SE.
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Affiliation(s)
- Shengli Song
- Key Laboratory of Protected Horticulture of Education Ministry and Liaoning Province, College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China; (S.S.); (R.Y.); (C.W.); (J.W.)
| | - Rui Yan
- Key Laboratory of Protected Horticulture of Education Ministry and Liaoning Province, College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China; (S.S.); (R.Y.); (C.W.); (J.W.)
| | - Chunxia Wang
- Key Laboratory of Protected Horticulture of Education Ministry and Liaoning Province, College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China; (S.S.); (R.Y.); (C.W.); (J.W.)
| | - Jinxia Wang
- Key Laboratory of Protected Horticulture of Education Ministry and Liaoning Province, College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China; (S.S.); (R.Y.); (C.W.); (J.W.)
| | - Hongmei Sun
- Key Laboratory of Protected Horticulture of Education Ministry and Liaoning Province, College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China; (S.S.); (R.Y.); (C.W.); (J.W.)
- National and Local Joint Engineering Research Center of Northern Horticultural Facilities Design and Application Technology, Shenyang 110866, China
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Regulation of cell reprogramming by auxin during somatic embryogenesis. ABIOTECH 2020; 1:185-193. [PMID: 36303566 PMCID: PMC9590521 DOI: 10.1007/s42994-020-00029-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 08/21/2020] [Indexed: 01/03/2023]
Abstract
How somatic cells develop into a whole plant is a central question in plant developmental biology. This powerful ability of plant cells is recognized as their totipotency. Somatic embryogenesis is an excellent example and a good research system for studying plant cell totipotency. However, very little is known about the molecular basis of cell reprogramming from somatic cells to totipotent cells in this process. During somatic embryogenesis from immature zygotic embryos in Arabidopsis, exogenous auxin treatment is required for embryonic callus formation, but removal of exogenous auxin inducing endogenous auxin biosynthesis is essential for somatic embryo (SE) induction. Ectopic expression of specific transcription factor genes, such as "LAFL" and BABY BOOM (BBM), can induce SEs without exogenous growth regulators. Somatic embryogenesis can also be triggered by stress, as well as by disruption of chromatin remodeling, including PRC2-mediated histone methylation, histone deacetylation, and PKL-related chromatin remodeling. It is evident that embryonic identity genes are required and endogenous auxin plays a central role for cell reprogramming during the induction of SEs. Thus, we focus on reviewing the regulation of cell reprogramming for somatic embryogenesis by auxin.
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Song S, Wang Z, Ren Y, Sun H. Full-Length Transcriptome Analysis of the ABCB, PIN/PIN-LIKES, and AUX/LAX Families Involved in Somatic Embryogenesis of Lilium pumilum DC. Fisch. Int J Mol Sci 2020; 21:E453. [PMID: 31936841 PMCID: PMC7014436 DOI: 10.3390/ijms21020453] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 01/07/2020] [Accepted: 01/08/2020] [Indexed: 12/13/2022] Open
Abstract
Plant cell totipotency is one of the 25 major topics in current scientific research, and somatic embryos are good experimental material for studying cell totipotency. Polar auxin transport plays an important regulatory role in somatic embryogenesis (SE). However, little is known about the auxin transport genes and their regulatory mechanisms in Lilium SE. In this study, we applied single-molecule real-time (SMRT) sequencing to Lilium pumilum DC. Fisch. for the first time and obtained a total of 119,649 transcripts, of which 14 encoded auxin transport genes. Correlation analyses between somatic embryo induction and gene expression under different treatments revealed that auxin transport genes, especially ATP-binding cassette (ABC) transporter B family member 21 (ABCB21) and PIN-FORMED (PIN) LIKES 7 (PILS7), may be key players in SE, and the necessary duration of picloram (PIC) treatment to induce SE is as short as 3 days. Our research provides valuable genetic information on Lilium pumilum, elucidating the candidate auxin transport genes involved in SE and their influencing factors. This study lays a foundation for elucidating the regulatory mechanism of auxin transport in SE.
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Affiliation(s)
- Shengli Song
- Key Laboratory of Protected Horticulture of Education Ministry and Liaoning Province, College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China; (S.S.); (Z.W.); (Y.R.)
| | - Zhiping Wang
- Key Laboratory of Protected Horticulture of Education Ministry and Liaoning Province, College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China; (S.S.); (Z.W.); (Y.R.)
| | - Yamin Ren
- Key Laboratory of Protected Horticulture of Education Ministry and Liaoning Province, College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China; (S.S.); (Z.W.); (Y.R.)
| | - Hongmei Sun
- Key Laboratory of Protected Horticulture of Education Ministry and Liaoning Province, College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China; (S.S.); (Z.W.); (Y.R.)
- National and Local Joint Engineering Research Center of Northern Horticultural Facilities Design and Application Technology, Horticulture Department, Shenyang Agricultural University, Shenyang 110866, China
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Parrilla J, Gaillard C, Verbeke J, Maucourt M, Aleksandrov RA, Thibault F, Fleurat-Lessard P, Gibon Y, Rolin D, Atanassova R. Comparative metabolomics and glycolysis enzyme profiling of embryogenic and nonembryogenic grape cells. FEBS Open Bio 2018; 8:784-798. [PMID: 29744293 PMCID: PMC5929931 DOI: 10.1002/2211-5463.12415] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 03/06/2018] [Accepted: 03/07/2018] [Indexed: 11/06/2022] Open
Abstract
A novel biological model was created for the comparison of grapevine embryogenic cells (EC) and nonembryogenic cells (NEC) sharing a common genetic background but distinct phenotypes, when cultured on their respective most appropriate media. Cytological characterization, 1H-NMR analysis of intracellular metabolites, and glycolytic enzyme activities provided evidence for the marked metabolic differences between EC and NEC. The EC were characterized by a moderate and organized cell proliferation, coupled with a low flux through glycolysis, high capacity of phosphoenolpyruvate carboxylase and glucokinase, and high oxygen consumption. The NEC displayed strong anarchic growth, and their high rate of glycolysis due to the low energetic efficiency of the fermentative metabolism is confirmed by increased enolase capacity and low oxygen consumption.
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Affiliation(s)
- Jonathan Parrilla
- Laboratoire EBI- Ecologie et Biologie des Interactions Équipe SEVE-Sucres et Échanges Végétaux-Environnement UMR 7267 Centre National de la Recherche Scientifique Université de Poitiers France
| | - Cécile Gaillard
- Laboratoire EBI- Ecologie et Biologie des Interactions Équipe SEVE-Sucres et Échanges Végétaux-Environnement UMR 7267 Centre National de la Recherche Scientifique Université de Poitiers France
| | - Jérémy Verbeke
- Laboratoire EBI- Ecologie et Biologie des Interactions Équipe SEVE-Sucres et Échanges Végétaux-Environnement UMR 7267 Centre National de la Recherche Scientifique Université de Poitiers France.,GReD. UMR CNRS 6293 - INSERM U1103 Université Clermont-Auvergne CRBC Faculté de médecine Clermont-Ferrand France
| | - Mickaël Maucourt
- Laboratoire Biologie du Fruit et Pathologie UMR 1332 Institut National de la Recherche Agronomique Université de Bordeaux Villenave d'Ornon France.,Plateforme Métabolome du Centre de Génomique Fonctionnelle Bordeaux MetaboHUB Institut National de la Recherche Agronomique Villenave d'Ornon France
| | - Radoslav A Aleksandrov
- Laboratoire EBI- Ecologie et Biologie des Interactions Équipe SEVE-Sucres et Échanges Végétaux-Environnement UMR 7267 Centre National de la Recherche Scientifique Université de Poitiers France.,Institute of Molecular Biology Bulgarian Academy of Sciences Acad Sofia Bulgaria
| | - Florence Thibault
- Laboratoire EBI- Ecologie et Biologie des Interactions Équipe SEVE-Sucres et Échanges Végétaux-Environnement UMR 7267 Centre National de la Recherche Scientifique Université de Poitiers France
| | - Pierrette Fleurat-Lessard
- Laboratoire EBI- Ecologie et Biologie des Interactions Équipe SEVE-Sucres et Échanges Végétaux-Environnement UMR 7267 Centre National de la Recherche Scientifique Université de Poitiers France
| | - Yves Gibon
- Laboratoire Biologie du Fruit et Pathologie UMR 1332 Institut National de la Recherche Agronomique Université de Bordeaux Villenave d'Ornon France.,Plateforme Métabolome du Centre de Génomique Fonctionnelle Bordeaux MetaboHUB Institut National de la Recherche Agronomique Villenave d'Ornon France
| | - Dominique Rolin
- Laboratoire Biologie du Fruit et Pathologie UMR 1332 Institut National de la Recherche Agronomique Université de Bordeaux Villenave d'Ornon France.,Plateforme Métabolome du Centre de Génomique Fonctionnelle Bordeaux MetaboHUB Institut National de la Recherche Agronomique Villenave d'Ornon France
| | - Rossitza Atanassova
- Laboratoire EBI- Ecologie et Biologie des Interactions Équipe SEVE-Sucres et Échanges Végétaux-Environnement UMR 7267 Centre National de la Recherche Scientifique Université de Poitiers France
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Igielski R, Kępczyńska E. Gene expression and metabolite profiling of gibberellin biosynthesis during induction of somatic embryogenesis in Medicago truncatula Gaertn. PLoS One 2017; 12:e0182055. [PMID: 28750086 PMCID: PMC5531487 DOI: 10.1371/journal.pone.0182055] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 07/11/2017] [Indexed: 01/02/2023] Open
Abstract
Gibberellins (GAs) are involved in the regulation of numerous developmental processes in plants including zygotic embryogenesis, but their biosynthesis and role during somatic embryogenesis (SE) is mostly unknown. In this study we show that during three week- long induction phase, when cells of leaf explants from non-embryogenic genotype (M9) and embryogenic variant (M9-10a) were forming the callus, all the bioactive gibberellins from non-13-hydroxylation (GA4, GA7) and 13-hydroxylation (GA1, GA5, GA3, GA6) pathways were present, but the contents of only a few of them differed between the tested lines. The GA53 and GA19 substrates synthesized by the 13-hydroxylation pathway accumulated specifically in the M9-10a line after the first week of induction; subsequently, among the bioactive gibberellins detected, only the content of GA3 increased and appeared to be connected with acquisition of embryogenic competence. We fully annotated 20 Medicago truncatula orthologous genes coding the enzymes which catalyze all the known reactions of gibberellin biosynthesis. Our results indicate that, within all the genes tested, expression of only three: MtCPS, MtGA3ox1 and MtGA3ox2, was specific to embryogenic explants and reflected the changes observed in GA53, GA19 and GA3 contents. Moreover, by analyzing expression of MtBBM, SE marker gene, we confirmed the inhibitory effect of manipulation in GAs metabolism, applying exogenous GA3, which not only impaired the production of somatic embryos, but also significantly decreased expression of this gene.
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Affiliation(s)
- Rafał Igielski
- Department of Plant Biotechnology, University of Szczecin, Szczecin, Poland
| | - Ewa Kępczyńska
- Department of Plant Biotechnology, University of Szczecin, Szczecin, Poland
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Igielski R, Kępczyńska E. Gene expression and metabolite profiling of gibberellin biosynthesis during induction of somatic embryogenesis in Medicago truncatula Gaertn. PLoS One 2017; 12:e0182055. [PMID: 28750086 DOI: 10.1371/journal.pone.018205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 07/11/2017] [Indexed: 05/18/2023] Open
Abstract
Gibberellins (GAs) are involved in the regulation of numerous developmental processes in plants including zygotic embryogenesis, but their biosynthesis and role during somatic embryogenesis (SE) is mostly unknown. In this study we show that during three week- long induction phase, when cells of leaf explants from non-embryogenic genotype (M9) and embryogenic variant (M9-10a) were forming the callus, all the bioactive gibberellins from non-13-hydroxylation (GA4, GA7) and 13-hydroxylation (GA1, GA5, GA3, GA6) pathways were present, but the contents of only a few of them differed between the tested lines. The GA53 and GA19 substrates synthesized by the 13-hydroxylation pathway accumulated specifically in the M9-10a line after the first week of induction; subsequently, among the bioactive gibberellins detected, only the content of GA3 increased and appeared to be connected with acquisition of embryogenic competence. We fully annotated 20 Medicago truncatula orthologous genes coding the enzymes which catalyze all the known reactions of gibberellin biosynthesis. Our results indicate that, within all the genes tested, expression of only three: MtCPS, MtGA3ox1 and MtGA3ox2, was specific to embryogenic explants and reflected the changes observed in GA53, GA19 and GA3 contents. Moreover, by analyzing expression of MtBBM, SE marker gene, we confirmed the inhibitory effect of manipulation in GAs metabolism, applying exogenous GA3, which not only impaired the production of somatic embryos, but also significantly decreased expression of this gene.
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Affiliation(s)
- Rafał Igielski
- Department of Plant Biotechnology, University of Szczecin, Szczecin, Poland
| | - Ewa Kępczyńska
- Department of Plant Biotechnology, University of Szczecin, Szczecin, Poland
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Pan C, Tan SN, Yong JWH, Ge L. Progress and development of analytical methods for gibberellins. J Sep Sci 2016; 40:346-360. [PMID: 27717135 DOI: 10.1002/jssc.201600857] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2016] [Revised: 09/01/2016] [Accepted: 09/02/2016] [Indexed: 02/02/2023]
Abstract
Gibberellins, as a group of phytohormones, exhibit a wide variety of bio-functions within plant growth and development, which have been used to increase crop yields. Many analytical procedures, therefore, have been developed for the determination of the types and levels of endogenous and exogenous gibberellins. As plant tissues contain gibberellins in trace amounts (usually at the level of nanogram per gram fresh weight or even lower), the sample pre-treatment steps (extraction, pre-concentration, and purification) for gibberellins are reviewed in details. The primary focus of this comprehensive review is on the various analytical methods designed to meet the requirements for gibberellins analyses in complex matrices with particular emphasis on high-throughput analytical methods, such as gas chromatography, liquid chromatography, and capillary electrophoresis, mostly combined with mass spectrometry. The advantages and drawbacks of the each described analytical method are discussed. The overall aim of this review is to provide a comprehensive and critical view on the different analytical methods nowadays employed to analyze gibberellins in complex sample matrices and their foreseeable trends.
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Affiliation(s)
- Chaozhi Pan
- Advanced Environmental Biotechnology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, Singapore, Singapore
| | - Swee Ngin Tan
- Natural Sciences and Science Education Academic Group, Nanyang Technological University, Singapore, Singapore
| | | | - Liya Ge
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, Singapore, Singapore
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Cold Response of Dedifferentiated Barley Cells at the Gene Expression, Hormone Composition, and Freezing Tolerance Levels: Studies on Callus Cultures. Mol Biotechnol 2012; 54:337-49. [DOI: 10.1007/s12033-012-9569-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Karami O, Saidi A. The molecular basis for stress-induced acquisition of somatic embryogenesis. Mol Biol Rep 2009; 37:2493-507. [PMID: 19705297 DOI: 10.1007/s11033-009-9764-3] [Citation(s) in RCA: 110] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2008] [Accepted: 08/14/2009] [Indexed: 11/24/2022]
Abstract
Somatic embryogenesis (SE) has been studied as a model system for understanding of molecular events in the physiology, biochemistry, and biology areas occurring during plant embryo development. Stresses are also the factors that have been increasingly recognized as having important role in the induction of SE. Plant growth regulators such as 2,4-dichlorophenoxyacetic acid (2,4-D), ABA, ethylene, and high concentrations of 2,4-D are known as stress-related substances for acquisition of embryogenic competence by plant cells. Gene expression analysis in both the proteome and transcriptome levels have led to the identification and characterization of some stress-related genes and proteins associated with SE. This review focuses on the molecular basis for stress-induced acquisition of SE.
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Affiliation(s)
- Omid Karami
- Department of Biotechnology, Bu-Ali Sina University, Hamadan, Iran.
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