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Lan J, Lian C, Shao Y, Chen S, Lu Y, Zhu L, Mu D, Tang Q. Genome-Wide Identification of Seven in Absentia E3 Ubiquitin Ligase Gene Family and Expression Profiles in Response to Different Hormones in Uncaria rhynchophylla. Int J Mol Sci 2024; 25:7636. [PMID: 39062882 PMCID: PMC11277444 DOI: 10.3390/ijms25147636] [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: 05/13/2024] [Revised: 07/04/2024] [Accepted: 07/10/2024] [Indexed: 07/28/2024] Open
Abstract
SINA (Seven in absentia) E3 ubiquitin ligases are a family of RING (really interesting new gene) E3 ubiquitin ligases, and they play a crucial role in regulating plant growth and development, hormone response, and abiotic and biotic stress. However, there is little research on the SINA gene family in U. rhynchophylla. In this study, a total of 10 UrSINA genes were identified from the U. rhynchophylla genome. The results of multiple sequence alignments and chromosomal locations show that 10 UrSINA genes were unevenly located on 22 chromosomes, and each UrSINA protein contained a SINA domain at the N-terminal and RING domains at the C-terminal. Synteny analysis showed that there are no tandem duplication gene pairs and there are four segmental gene pairs in U. rhynchophylla, contributing to the expansion of the gene family. Furthermore, almost all UrSINA genes contained the same gene structure, with three exons and two introns, and there were many cis-acting elements relating to plant hormones, light responses, and biotic and abiotic stress. The results of qRT-PCR show that most UrSINA genes were expressed in stems, with the least expression in roots; meanwhile, most UrSINA genes and key enzyme genes were responsive to ABA and MeJA hormones with overlapping but different expression patterns. Co-expression analysis showed that UrSINA1 might participate in the TIA pathway under ABA treatment, and UrSINA5 and UrSINA6 might participate in the TIA pathway under MeJA treatment. The mining of UrSINA genes in the U. rhynchophylla provided novel information for understanding the SINA gene and its function in plant secondary metabolites, growth, and development.
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Affiliation(s)
- Jinxu Lan
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China; (J.L.); (C.L.); (S.C.)
| | - Conglong Lian
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China; (J.L.); (C.L.); (S.C.)
| | - Yingying Shao
- College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (Y.S.); (Y.L.); (L.Z.)
| | - Suiqing Chen
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China; (J.L.); (C.L.); (S.C.)
| | - Ying Lu
- College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (Y.S.); (Y.L.); (L.Z.)
| | - Lina Zhu
- College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (Y.S.); (Y.L.); (L.Z.)
| | - Detian Mu
- College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (Y.S.); (Y.L.); (L.Z.)
| | - Qi Tang
- College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (Y.S.); (Y.L.); (L.Z.)
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Qu GP, Jiang B, Lin C. The dual-action mechanism of Arabidopsis cryptochromes. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2024; 66:883-896. [PMID: 37902426 DOI: 10.1111/jipb.13578] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/23/2023] [Accepted: 10/24/2023] [Indexed: 10/31/2023]
Abstract
Photoreceptor cryptochromes (CRYs) mediate blue-light regulation of plant growth and development. It has been reported that Arabidopsis CRY1and CRY2 function by physically interacting with at least 84 proteins, including transcription factors or co-factors, chromatin regulators, splicing factors, messenger RNA methyltransferases, DNA repair proteins, E3 ubiquitin ligases, protein kinases and so on. Of these 84 proteins, 47 have been reported to exhibit altered binding affinity to CRYs in response to blue light, and 41 have been shown to exhibit condensation to CRY photobodies. The blue light-regulated composition or condensation of CRY complexes results in changes of gene expression and developmental programs. In this mini-review, we analyzed recent studies of the photoregulatory mechanisms of Arabidopsis CRY complexes and proposed the dual mechanisms of action, including the "Lock-and-Key" and the "Liquid-Liquid Phase Separation (LLPS)" mechanisms. The dual CRY action mechanisms explain, at least partially, the structural diversity of CRY-interacting proteins and the functional diversity of the CRY photoreceptors.
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Affiliation(s)
- Gao-Ping Qu
- Basic Forestry and Plant Proteomics Research Center, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Bochen Jiang
- Basic Forestry and Plant Proteomics Research Center, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- Department of Chemistry, Department of Biochemistry and Molecular Biology, Institute for Biophysical Dynamics, The University of Chicago, Chicago, IL, 60637, USA
| | - Chentao Lin
- Basic Forestry and Plant Proteomics Research Center, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
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Hu J, Luo M, Zhou X, Wang Z, Yan L, Hong D, Yang G, Zhang X. RING-type E3 ligase BnaJUL1 ubiquitinates and degrades BnaTBCC1 to regulate drought tolerance in Brassica napus L. PLANT, CELL & ENVIRONMENT 2024; 47:1023-1040. [PMID: 37984059 DOI: 10.1111/pce.14770] [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: 03/30/2023] [Revised: 08/26/2023] [Accepted: 09/27/2023] [Indexed: 11/22/2023]
Abstract
Drought stress poses a persistent threat to field crops and significantly limits global agricultural productivity. Plants employ ubiquitin-dependent degradation as a crucial post-translational regulatory mechanism to swiftly adapt to changing environmental conditions. JUL1 is a RING-type E3 ligase related to drought stress in Arabidopsis. In this study, we explored the function of BnaJUL1 (a homologous gene of JUL1 in Brassica napus) and discovered a novel gene BnaTBCC1 participating in drought tolerance. First, we utilised BnaJUL1-cri materials through the clustered regularly interspaced short palindromic repeats (CRISPR)-CRISPR-associated protein 9 system. Second, we confirmed that BnaJUL1 regulated drought tolerance through the drought tolerance assay and transcriptome analysis. Then, we identified a series of proteins interacting with BnaJUL1 through yeast library screening, including BnaTBCC1 (a tubulin binding cofactor C domain-containing protein); whose homologous gene TBCC1 knockdown mutants (tbcc1-1) exhibited ABA-sensitive germination in Arabidopsis, we then confirmed the involvement of BnaTBCC1 in drought tolerance in both Arabidopsis and Brassica. Finally, we established that BnaJUL1 could ubiquitinate and degrade BnaTBCC1 to regulate drought tolerance. Consequently, our study unveils BnaJUL1 as a novel regulator that ubiquitinates and degrades BnaTBCC1 to modulate drought tolerance and provided desirable germplasm for further breeding of drought tolerance in rapeseed.
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Affiliation(s)
- Jin Hu
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute of Hainan University, Sanya, China
- College of Tropical Crops, Hainan University, Haikou, China
| | - Mudan Luo
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Xianming Zhou
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute of Hainan University, Sanya, China
- College of Tropical Crops, Hainan University, Haikou, China
| | - Zhaoyang Wang
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute of Hainan University, Sanya, China
- College of Tropical Crops, Hainan University, Haikou, China
| | - Li Yan
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Dengfeng Hong
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Guangsheng Yang
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute of Hainan University, Sanya, China
- College of Tropical Crops, Hainan University, Haikou, China
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Xiaohui Zhang
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute of Hainan University, Sanya, China
- College of Tropical Crops, Hainan University, Haikou, China
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Cui C, Wan H, Li Z, Ai N, Zhou B. Long noncoding RNA TRABA suppresses β-glucosidase-encoding BGLU24 to promote salt tolerance in cotton. PLANT PHYSIOLOGY 2024; 194:1120-1138. [PMID: 37801620 DOI: 10.1093/plphys/kiad530] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 08/23/2023] [Accepted: 09/04/2023] [Indexed: 10/08/2023]
Abstract
Salt stress severely damages the growth and yield of crops. Recently, long noncoding RNAs (lncRNAs) were demonstrated to regulate various biological processes and responses to environmental stresses. However, the regulatory mechanisms of lncRNAs in cotton (Gossypium hirsutum) response to salt stress are still poorly understood. Here, we observed that a lncRNA, trans acting of BGLU24 by lncRNA (TRABA), was highly expressed while GhBGLU24-A was weakly expressed in a salt-tolerant cotton accession (DM37) compared to a salt-sensitive accession (TM-1). Using TRABA as an effector and proGhBGLU24-A-driven GUS as a reporter, we showed that TRABA suppressed GhBGLU24-A promoter activity in double transgenic Arabidopsis (Arabidopsis thaliana), which explained why GhBGLU24-A was weakly expressed in the salt-tolerant accession compared to the salt-sensitive accession. GhBGLU24-A encodes an endoplasmic reticulum (ER)-localized β-glucosidase that responds to salt stress. Further investigation revealed that GhBGLU24-A interacted with RING-type E3 ubiquitin ligase (GhRUBL). Virus-induced gene silencing (VIGS) and transgenic Arabidopsis studies revealed that both GhBGLU24-A and GhRUBL diminish plant tolerance to salt stress and ER stress. Based on its substantial effect on ER-related degradation (ERAD)-associated gene expression, GhBGLU24-A mediates ER stress likely through the ERAD pathway. These findings provide insights into the regulatory role of the lncRNA TRABA in modulating salt and ER stresses in cotton and have potential implications for developing more resilient crops.
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Affiliation(s)
- Changjiang Cui
- State Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Cotton Germplasm Enhancement and Application Engineering Research Center (Ministry of Education), Collaborative Innovation Center for Modern Crop Production Co-sponsored by Province and Ministry, Nanjing Agricultural University, Nanjing, 210095 Jiangsu, China
| | - Hui Wan
- State Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Cotton Germplasm Enhancement and Application Engineering Research Center (Ministry of Education), Collaborative Innovation Center for Modern Crop Production Co-sponsored by Province and Ministry, Nanjing Agricultural University, Nanjing, 210095 Jiangsu, China
| | - Zhu Li
- State Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Cotton Germplasm Enhancement and Application Engineering Research Center (Ministry of Education), Collaborative Innovation Center for Modern Crop Production Co-sponsored by Province and Ministry, Nanjing Agricultural University, Nanjing, 210095 Jiangsu, China
| | - Nijiang Ai
- Shihezi Agricultural Science Research Institute, Shihezi, 832000 Xinjiang, China
| | - Baoliang Zhou
- State Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Cotton Germplasm Enhancement and Application Engineering Research Center (Ministry of Education), Collaborative Innovation Center for Modern Crop Production Co-sponsored by Province and Ministry, Nanjing Agricultural University, Nanjing, 210095 Jiangsu, China
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Hao Y, Zeng Z, Zhang X, Xie D, Li X, Ma L, Liu M, Liu H. Green means go: Green light promotes hypocotyl elongation via brassinosteroid signaling. THE PLANT CELL 2023; 35:1304-1317. [PMID: 36724050 PMCID: PMC10118266 DOI: 10.1093/plcell/koad022] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 12/20/2022] [Indexed: 06/18/2023]
Abstract
Although many studies have elucidated the mechanisms by which different wavelengths of light (blue, red, far-red, or ultraviolet-B [UV-B]) regulate plant development, whether and how green light regulates plant development remains largely unknown. Previous studies reported that green light participates in regulating growth and development in land plants, but these studies have reported conflicting results, likely due to technical problems. For example, commercial green light-emitting diode light sources emit a little blue or red light. Here, using a pure green light source, we determined that unlike blue, red, far-red, or UV-B light, which inhibits hypocotyl elongation, green light promotes hypocotyl elongation in Arabidopsis thaliana and several other plants during the first 2-3 d after planting. Phytochromes, cryptochromes, and other known photoreceptors do not mediate green-light-promoted hypocotyl elongation, but the brassinosteroid (BR) signaling pathway is involved in this process. Green light promotes the DNA binding activity of BRI1-EMS-SUPPRESSOR 1 (BES1), a master transcription factor of the BR pathway, thus regulating gene transcription to promote hypocotyl elongation. Our results indicate that pure green light promotes elongation via BR signaling and acts as a shade signal to enable plants to adapt their development to a green-light-dominant environment under a canopy.
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Affiliation(s)
- Yuhan Hao
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 200031 Shanghai, P. R. China
| | - Zexian Zeng
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 200031 Shanghai, P. R. China
- University of Chinese Academy of Sciences, Shanghai 200031, P. R. China
| | - Xiaolin Zhang
- Department of Light Source and Illuminating Engineering, Fudan University, 2005 Songhu Rd, Shanghai 200433, P. R. China
| | - Dixiang Xie
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 200031 Shanghai, P. R. China
- University of Chinese Academy of Sciences, Shanghai 200031, P. R. China
| | - Xu Li
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 200031 Shanghai, P. R. China
| | - Libang Ma
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 200031 Shanghai, P. R. China
- University of Chinese Academy of Sciences, Shanghai 200031, P. R. China
| | - Muqing Liu
- Department of Light Source and Illuminating Engineering, Fudan University, 2005 Songhu Rd, Shanghai 200433, P. R. China
| | - Hongtao Liu
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 200031 Shanghai, P. R. China
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Ponnu J, Hoecker U. Signaling Mechanisms by Arabidopsis Cryptochromes. FRONTIERS IN PLANT SCIENCE 2022; 13:844714. [PMID: 35295637 PMCID: PMC8918993 DOI: 10.3389/fpls.2022.844714] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 02/04/2022] [Indexed: 05/29/2023]
Abstract
Cryptochromes (CRYs) are blue light photoreceptors that regulate growth, development, and metabolism in plants. In Arabidopsis thaliana (Arabidopsis), CRY1 and CRY2 possess partially redundant and overlapping functions. Upon exposure to blue light, the monomeric inactive CRYs undergo phosphorylation and oligomerization, which are crucial to CRY function. Both the N- and C-terminal domains of CRYs participate in light-induced interaction with multiple signaling proteins. These include the COP1/SPA E3 ubiquitin ligase, several transcription factors, hormone signaling intermediates and proteins involved in chromatin-remodeling and RNA N6 adenosine methylation. In this review, we discuss the mechanisms of Arabidopsis CRY signaling in photomorphogenesis and the recent breakthroughs in Arabidopsis CRY research.
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Affiliation(s)
| | - Ute Hoecker
- *Correspondence: Ute Hoecker, , orcid.org/0000-0002-5636-9777
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Qi H, Xia FN, Xiao S, Li J. TRAF proteins as key regulators of plant development and stress responses. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2022; 64:431-448. [PMID: 34676666 DOI: 10.1111/jipb.13182] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 10/18/2021] [Indexed: 06/13/2023]
Abstract
Tumor necrosis factor receptor-associated factor (TRAF) proteins are conserved in higher eukaryotes and play key roles in transducing cellular signals across different organelles. They are characterized by their C-terminal region (TRAF-C domain) containing seven to eight anti-parallel β-sheets, also known as the meprin and TRAF-C homology (MATH) domain. Over the past few decades, significant progress has been made toward understanding the diverse roles of TRAF proteins in mammals and plants. Compared to other eukaryotic species, the Arabidopsis thaliana and rice (Oryza sativa) genomes encode many more TRAF/MATH domain-containing proteins; these plant proteins cluster into five classes: TRAF/MATH-only, MATH-BPM, MATH-UBP (ubiquitin protease), Seven in absentia (SINA), and MATH-Filament and MATH-PEARLI-4 proteins, suggesting parallel evolution of TRAF proteins in plants. Increasing evidence now indicates that plant TRAF proteins form central signaling networks essential for multiple biological processes, such as vegetative and reproductive development, autophagosome formation, plant immunity, symbiosis, phytohormone signaling, and abiotic stress responses. Here, we summarize recent advances and highlight future prospects for understanding on the molecular mechanisms by which TRAF proteins act in plant development and stress responses.
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Affiliation(s)
- Hua Qi
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
| | - Fan-Nv Xia
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China
| | - Shi Xiao
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China
| | - Juan Li
- College of Agronomy, Hunan Agricultural University, Changsha, 410128, China
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Chang S, Huang G, Wang D, Zhu W, Shi J, Yang L, Liang W, Xie Q, Zhang D. Rice SIAH E3 Ligases Interact with RMD Formin and Affect Plant Morphology. RICE (NEW YORK, N.Y.) 2022; 15:6. [PMID: 35075530 PMCID: PMC8786996 DOI: 10.1186/s12284-022-00554-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 01/18/2022] [Indexed: 06/14/2023]
Abstract
Formins are actin-binding proteins that are key to maintaining the actin cytoskeleton in cells. However, molecular mechanisms controlling the stability of formin proteins in plants remain unknown. Here, we have identified six rice SIAH-type E3 ligases, named RIP1-6 (RMD Interacting Protein 1-6) respectively, with ubiquitination enzyme activity in vitro. All six proteins can form homo- and hetero-dimers with themselves, and hetero-dimers with type II formin RMD/OsFH5. In vivo assays showed that RIP1-6 proteins localize in the cytoplasm with a punctate distribution, and all of them interact with RMD to change its native diffuse cytoplasmic localization to match that of RIP1-6. To our surprise, degradation experiments revealed that RIP1, RIP5, and RIP6 decrease rather than increase the degradation rate of RMD. Genetic analyses revealed redundancy between these six genes; either single or double mutants did not show any obvious phenotypes. However, the sextuple rip1-6 mutant displayed dwarf height, wrinkled seeds and wider leaves that were similar to the previously reported rmd mutant, and defective microfilaments and increased flag leaf angles that were not reported in rmd mutant. Collectively, our study provides insights into the mechanisms determining formin protein stability in plants.
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Affiliation(s)
- Shuwei Chang
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Guoqiang Huang
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Duoxiang Wang
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Wanwan Zhu
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Jianxin Shi
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Litao Yang
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Wanqi Liang
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Qi Xie
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China
| | - Dabing Zhang
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China.
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