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Zhang Y, Gan L, Zhang Y, Huang B, Wan B, Li J, Tong L, Zhou X, Wei Z, Li Y, Song Z, Zhang X, Cai D, He Y. OsCBL5-CIPK1-PP23 module enhances rice grain size and weight through the gibberellin pathway. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 115:895-909. [PMID: 37133258 DOI: 10.1111/tpj.16266] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/24/2023] [Accepted: 04/27/2023] [Indexed: 05/04/2023]
Abstract
Grain size is a key factor in determining rice (Oryza sativa) yield, and exploring new pathways to regulate grain size has immense potential to improve yield. In this study, we report that OsCBL5 encodes a calcineurin B subunit protein that significantly promotes grain size and weight. oscbl5 plants produced obviously smaller and lighter seeds. We further revealed that OsCBL5 promotes grain size by affecting cell expansion in the spikelet hull. Biochemical analyses demonstrated that CBL5 interacts with CIPK1 and PP23. Furthermore, double and triple mutations were induced using CRISPR/Cas9 (cr) to analyze the genetic relationship. It was found that the cr-cbl5/cipk1 phenotype was similar to that of cr-cipk1 and that the cr-cbl5/pp23, cr-cipk1/pp23, and cr-cbl5/cipk1/pp23 phenotype was similar to that of cr-pp23, indicating that OsCBL5, CIPK1, and PP23 act as a molecular module influencing seed size. In addition, the results show that both CBL5 and CIPK1 are involved in the gibberellic acid (GA) pathway and significantly affect the accumulation of endogenous active GA4 . PP23 participates in GA signal transduction. In brief, this study identified a new module that affects rice grain size, OsCBL5-CIPK1-PP23, which could potentially be targeted to improve rice yield.
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Affiliation(s)
- Yachun Zhang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, 430000, Wuhan, China
| | - Lu Gan
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, 430000, Wuhan, China
| | - Yujie Zhang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, 430000, Wuhan, China
| | - Baosheng Huang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, 430000, Wuhan, China
- Shandong Institute of Commerce and Technology, 250000, Jinan, China
| | - Binliang Wan
- Hubei Academy of Agricultural Sciences Institute of Food Crops, 430000, Wuhan, China
| | - Jinbo Li
- Hubei Academy of Agricultural Sciences Institute of Food Crops, 430000, Wuhan, China
| | - Liqi Tong
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, 430000, Wuhan, China
| | - Xue Zhou
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, 430000, Wuhan, China
| | - Zhisong Wei
- Wuhan Polyploid Biotechnology Limited Company, 430000, Wuhan, China
| | - Yan Li
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, 430000, Wuhan, China
| | - Zhaojian Song
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, 430000, Wuhan, China
- Wuhan Polyploid Biotechnology Limited Company, 430000, Wuhan, China
| | - Xianhua Zhang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, 430000, Wuhan, China
- Wuhan Polyploid Biotechnology Limited Company, 430000, Wuhan, China
| | - Detian Cai
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, 430000, Wuhan, China
- Wuhan Polyploid Biotechnology Limited Company, 430000, Wuhan, China
| | - Yuchi He
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, 430000, Wuhan, China
- Wuhan Polyploid Biotechnology Limited Company, 430000, Wuhan, China
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2
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Chen H, Lin Q, Li Z, Chu J, Dong H, Mei Q, Xuan Y. Calcineurin B-like interacting protein kinase 31 confers resistance to sheath blight via modulation of ROS homeostasis in rice. MOLECULAR PLANT PATHOLOGY 2023; 24:221-231. [PMID: 36633167 PMCID: PMC9923392 DOI: 10.1111/mpp.13291] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 12/07/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
Sheath blight (ShB) severely threatens rice cultivation and production; however, the molecular mechanism of rice defence against ShB remains unclear. Screening of transposon Ds insertion mutants identified that Calcineurin B-like protein-interacting protein kinase 31 (CIPK31) mutants were more susceptible to ShB, while CIPK31 overexpressors (OX) were less susceptible. Sequence analysis indicated two haplotypes of CIPK31: Hap_1, with significantly higher CIPK31 expression, was less sensitive to ShB than the Hap_2 lines. Further analyses showed that the NAF domain of CIPK31 interacted with the EF-hand motif of respiratory burst oxidase homologue (RBOHA) to inhibit RBOHA-induced H2 O2 production, and RBOHA RNAi plants were more susceptible to ShB. These data suggested that the CIPK31-mediated increase in resistance is not associated with RBOHA. Interestingly, the study also found that CIPK31 interacted with catalase C (CatC); cipk31 mutants accumulated less H2 O2 while CIPK31 OX accumulated more H2 O2 compared to the wild-type control. Further analysis showed the interaction of the catalase domain of CatC with the NAF domain of CIPK31 by which CIPK31 inhibits CatC activity to accumulate more H2 O2 .
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Affiliation(s)
- Huan Chen
- College of Plant ProtectionShenyang Agricultural UniversityShenyangChina
| | - Qiujun Lin
- College of Plant ProtectionShenyang Agricultural UniversityShenyangChina
- Institute of Agricultural Quality Standards and Testing TechnologyLiaoning Academy of Agricultural SciencesShenyangChina
| | - Zhuo Li
- College of Plant ProtectionShenyang Agricultural UniversityShenyangChina
| | - Jin Chu
- Institution of Plant ProtectionLiaoning Academy of Agricultural SciencesShenyangChina
| | - Hai Dong
- Institution of Plant ProtectionLiaoning Academy of Agricultural SciencesShenyangChina
| | - Qiong Mei
- College of Plant ProtectionShenyang Agricultural UniversityShenyangChina
| | - Yuanhu Xuan
- College of Plant ProtectionShenyang Agricultural UniversityShenyangChina
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The RPN12a proteasome subunit is essential for the multiple hormonal homeostasis controlling the progression of leaf senescence. Commun Biol 2022; 5:1043. [PMID: 36180574 PMCID: PMC9525688 DOI: 10.1038/s42003-022-03998-2] [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: 05/13/2022] [Accepted: 09/14/2022] [Indexed: 11/09/2022] Open
Abstract
The 26S proteasome is a conserved multi-subunit machinery in eukaryotes. It selectively degrades ubiquitinated proteins, which in turn provides an efficient molecular mechanism to regulate numerous cellular functions and developmental processes. Here, we studied a new loss-of-function allele of RPN12a, a plant ortholog of the yeast and human structural component of the 19S proteasome RPN12. Combining a set of biochemical and molecular approaches, we confirmed that a rpn12a knock-out had exacerbated 20S and impaired 26S activities. The altered proteasomal activity led to a pleiotropic phenotype affecting both the vegetative growth and reproductive phase of the plant, including a striking repression of leaf senescence associate cell-death. Further investigation demonstrated that RPN12a is involved in the regulation of several conjugates associated with the auxin, cytokinin, ethylene and jasmonic acid homeostasis. Such enhanced aptitude of plant cells for survival in rpn12a contrasts with reports on animals, where 26S proteasome mutants generally show an accelerated cell death phenotype.
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Yu C, Ke Y, Qin J, Huang Y, Zhao Y, Liu Y, Wei H, Liu G, Lian B, Chen Y, Zhong F, Zhang J. Genome-wide identification of calcineurin B-like protein-interacting protein kinase gene family reveals members participating in abiotic stress in the ornamental woody plant Lagerstroemia indica. FRONTIERS IN PLANT SCIENCE 2022; 13:942217. [PMID: 36204074 PMCID: PMC9530917 DOI: 10.3389/fpls.2022.942217] [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: 05/12/2022] [Accepted: 08/15/2022] [Indexed: 06/16/2023]
Abstract
Calcineurin B-like protein-interacting protein kinases (CIPKs) play important roles in plant responses to stress. However, their function in the ornamental woody plant Lagerstroemia indica is remains unclear. In this study, the LiCIPK gene family was analyzed at the whole genome level. A total of 37 LiCIPKs, distributed across 17 chromosomes, were identified. Conserved motif analysis indicated that all LiCIPKs possess a protein kinase motif (S_TKc) and C-terminal regulatory motif (NAF), while seven LiCIPKs lack a protein phosphatase interaction (PPI) motif. 3D structure analysis further revealed that the N-terminal and C-terminal 3D-structure of 27 members are situated near to each other, while 4 members have a looser structure, and 6 members lack intact structures. The intra- and interspecies collinearity analysis, synonymous substitution rate (K s ) peaks of duplicated LiCIPKs, revealed that ∼80% of LiCIPKs were retained by the two whole genome duplication (WGD) events that occurred approximately 56.12-61.16 million year ago (MYA) and 16.24-26.34 MYA ago. The promoter of each LiCIPK contains a number of auxin, abscisic acid, gibberellic acid, salicylic acid, and drought, anaerobic, defense, stress, and wound responsive cis-elements. Of the 21 members that were successfully amplified by qPCR, 18 LiCIPKs exhibited different expression patterns under NaCl, mannitol, PEG8000, and ABA treatments. Given that LiCIPK30, the AtSOS2 ortholog, responded to all four types of stress it was selected for functional verification. LiCIPK30 complements the atsos2 phenotype in vivo. 35S:LiCIPK-overexpressing lines exhibit increased leaf area increment, chlorophyll a and b content, reactive oxygen species scavenging enzyme activity, and expression of ABF3 and RD22, while the degree of membrane lipid oxidation decreases under NaCl treatment compared to WT. The evolutionary history, and potential mechanism by which LiCIPK30 may regulate plant tolerance to salt stress were also discussed. In summary, we identified LiCIPK members involved in abiotic stress and found that LiCIPK30 transgenic Arabidopsis exhibits more salt and osmotic stress tolerance than WT. This research provides a theoretical foundation for further investigation into the function of LiCIPKs, and for mining gene resources to facilitate the cultivation and breeding of new L. indica varieties in coastal saline-alkali soil.
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Affiliation(s)
- Chunmei Yu
- School of Life Sciences, Nantong University, Nantong, China
- Key Laboratory of Landscape Plant Genetics and Breeding, Nantong University, Nantong, China
| | - Yongchao Ke
- School of Life Sciences, Nantong University, Nantong, China
| | - Jin Qin
- School of Life Sciences, Nantong University, Nantong, China
| | - Yunpeng Huang
- School of Life Sciences, Nantong University, Nantong, China
| | - Yanchun Zhao
- School of Life Sciences, Nantong University, Nantong, China
| | - Yu Liu
- School of Life Sciences, Nantong University, Nantong, China
| | - Hui Wei
- School of Life Sciences, Nantong University, Nantong, China
- Key Laboratory of Landscape Plant Genetics and Breeding, Nantong University, Nantong, China
| | - Guoyuan Liu
- School of Life Sciences, Nantong University, Nantong, China
- Key Laboratory of Landscape Plant Genetics and Breeding, Nantong University, Nantong, China
| | - Bolin Lian
- School of Life Sciences, Nantong University, Nantong, China
- Key Laboratory of Landscape Plant Genetics and Breeding, Nantong University, Nantong, China
| | - Yanhong Chen
- School of Life Sciences, Nantong University, Nantong, China
- Key Laboratory of Landscape Plant Genetics and Breeding, Nantong University, Nantong, China
| | - Fei Zhong
- School of Life Sciences, Nantong University, Nantong, China
- Key Laboratory of Landscape Plant Genetics and Breeding, Nantong University, Nantong, China
| | - Jian Zhang
- School of Life Sciences, Nantong University, Nantong, China
- Key Laboratory of Landscape Plant Genetics and Breeding, Nantong University, Nantong, China
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Dai D, Zhang H, He L, Chen J, Du C, Liang M, Zhang M, Wang H, Ma L. Panicle Apical Abortion 7 Regulates Panicle Development in Rice ( Oryza sativa L.). Int J Mol Sci 2022; 23:9487. [PMID: 36012754 PMCID: PMC9409353 DOI: 10.3390/ijms23169487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 08/08/2022] [Accepted: 08/19/2022] [Indexed: 11/16/2022] Open
Abstract
The number of grains per panicle significantly contributes to rice yield, but the regulatory mechanism remains largely unknown. Here, we reported a loss-of-function mutant, panicle apical abortion 7 (paa7), which exhibited panicle abortion and degeneration of spikelets on the apical panicles during the late stage of young panicle development in rice. High accumulations of H2O2 in paa7 caused programmed cell death (PCD) accompanied by nuclear DNA fragmentation in the apical spikelets. Map-based cloning revealed that the 3 bp "AGC" insertion and 4 bp "TCTC" deletion mutation of paa7 were located in the 3'-UTR regions of LOC_Os07g47330, which was confirmed through complementary assays and overexpressed lines. Interestingly, LOC_Os07g47330 is known as FRIZZY PANICLE (FZP). Thus, PAA7 could be a novel allele of FZP. Moreover, the severe damage for panicle phenotype in paa7/lax2 double mutant indicated that PAA7 could crosstalk with Lax Panicle 2 (LAX2). These findings suggest that PAA7 regulates the development of apical spikelets and interacts with LAX2 to regulate panicle development in rice.
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Affiliation(s)
- Dongqing Dai
- State Key Laboratory of Rice Biology and Chinese National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Huali Zhang
- State Key Laboratory of Rice Biology and Chinese National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Lei He
- Institute of Food Crops, Key Laboratory of Jiangsu Province for Agrobiology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Junyu Chen
- State Key Laboratory of Rice Biology and Chinese National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Chengxing Du
- State Key Laboratory of Rice Biology and Chinese National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Minmin Liang
- State Key Laboratory of Rice Biology and Chinese National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Meng Zhang
- State Key Laboratory of Rice Biology and Chinese National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Huimei Wang
- State Key Laboratory of Rice Biology and Chinese National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
| | - Liangyong Ma
- State Key Laboratory of Rice Biology and Chinese National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China
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Ali A, Wu T, Xu Z, Riaz A, Alqudah AM, Iqbal MZ, Zhang H, Liao Y, Chen X, Liu Y, Mujtaba T, Zhou H, Wang W, Xu P, Wu X. Phytohormones and Transcriptome Analyses Revealed the Dynamics Involved in Spikelet Abortion and Inflorescence Development in Rice. Int J Mol Sci 2022; 23:7887. [PMID: 35887236 PMCID: PMC9324563 DOI: 10.3390/ijms23147887] [Citation(s) in RCA: 5] [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: 06/12/2022] [Revised: 07/06/2022] [Accepted: 07/13/2022] [Indexed: 02/05/2023] Open
Abstract
Panicle degeneration, sometimes known as abortion, causes heavy losses in grain yield. However, the mechanism of naturally occurring panicle abortion is still elusive. In a previous study, we characterized a mutant, apical panicle abortion1331 (apa1331), exhibiting abortion in apical spikelets starting from the 6 cm stage of panicle development. In this study, we have quantified the five phytohormones, gibberellins (GA), auxins (IAA), abscisic acid (ABA), cytokinins (CTK), and brassinosteroids (BR), in the lower, middle, and upper parts of apa1331 and compared these with those exhibited in its wild type (WT). In apa331, the lower and middle parts of the panicle showed contrasting concentrations of all studied phytohormones, but highly significant changes in IAA and ABA, compared to the upper part of the panicle. A comparative transcriptome of apa1331 and WT apical spikelets was performed to explore genes causing the physiological basis of spikelet abortion. The differential expression analysis revealed a significant downregulation and upregulation of 1587 and 978 genes, respectively. Hierarchical clustering of differentially expressed genes (DEGs) revealed the correlation of gene ontology (GO) terms associated with antioxidant activity, peroxidase activity, and oxidoreductase activity. KEGG pathway analysis using parametric gene set enrichment analysis (PGSEA) revealed the downregulation of the biological processes, including cell wall polysaccharides and fatty acids derivatives, in apa1331 compared to its WT. Based on fold change (FC) value and high variation in expression during late inflorescence, early inflorescence, and antherdevelopment, we predicted a list of novel genes, which presumably can be the potential targets of inflorescence development. Our study not only provides novel insights into the role of the physiological dynamics involved in panicle abortion, but also highlights the potential targets involved in reproductive development.
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Affiliation(s)
- Asif Ali
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China; (A.A.); (T.W.); (Z.X.); (H.Z.); (Y.L.); (X.C.); (Y.L.); (H.Z.); (W.W.)
| | - Tingkai Wu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China; (A.A.); (T.W.); (Z.X.); (H.Z.); (Y.L.); (X.C.); (Y.L.); (H.Z.); (W.W.)
| | - Zhengjun Xu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China; (A.A.); (T.W.); (Z.X.); (H.Z.); (Y.L.); (X.C.); (Y.L.); (H.Z.); (W.W.)
| | - Asad Riaz
- College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China;
| | - Ahmad M. Alqudah
- Department of Agroecology, Aarhus University at Falkebjerg, Forsøgsvej 1, 4200 Slagelse, Denmark;
| | - Muhammad Zafar Iqbal
- Department of Grassland Science, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China;
| | - Hongyu Zhang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China; (A.A.); (T.W.); (Z.X.); (H.Z.); (Y.L.); (X.C.); (Y.L.); (H.Z.); (W.W.)
| | - Yongxiang Liao
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China; (A.A.); (T.W.); (Z.X.); (H.Z.); (Y.L.); (X.C.); (Y.L.); (H.Z.); (W.W.)
| | - Xiaoqiong Chen
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China; (A.A.); (T.W.); (Z.X.); (H.Z.); (Y.L.); (X.C.); (Y.L.); (H.Z.); (W.W.)
| | - Yutong Liu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China; (A.A.); (T.W.); (Z.X.); (H.Z.); (Y.L.); (X.C.); (Y.L.); (H.Z.); (W.W.)
| | - Tahir Mujtaba
- Department of Biotechnology, School of Natural Sciences and Engineering, University of Verona, 37134 Verona, Italy;
| | - Hao Zhou
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China; (A.A.); (T.W.); (Z.X.); (H.Z.); (Y.L.); (X.C.); (Y.L.); (H.Z.); (W.W.)
| | - Wenming Wang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China; (A.A.); (T.W.); (Z.X.); (H.Z.); (Y.L.); (X.C.); (Y.L.); (H.Z.); (W.W.)
| | - Peizhou Xu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China; (A.A.); (T.W.); (Z.X.); (H.Z.); (Y.L.); (X.C.); (Y.L.); (H.Z.); (W.W.)
| | - Xianjun Wu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China; (A.A.); (T.W.); (Z.X.); (H.Z.); (Y.L.); (X.C.); (Y.L.); (H.Z.); (W.W.)
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Hu P, Tan Y, Wen Y, Fang Y, Wang Y, Wu H, Wang J, Wu K, Chai B, Zhu L, Zhang G, Gao Z, Ren D, Zeng D, Shen L, Xue D, Qian Q, Hu J. LMPA Regulates Lesion Mimic Leaf and Panicle Development Through ROS-Induced PCD in Rice. FRONTIERS IN PLANT SCIENCE 2022; 13:875038. [PMID: 35586211 PMCID: PMC9108926 DOI: 10.3389/fpls.2022.875038] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 04/04/2022] [Indexed: 06/15/2023]
Abstract
Leaf and panicle are important nutrient and yield organs in rice, respectively. Although several genes controlling lesion mimic leaf and panicle abortion have been identified, a few studies have reported the involvement of a single gene in the production of both the traits. In this study, we characterized a panicle abortion mutant, lesion mimic leaf and panicle apical abortion (lmpa), which exhibits lesions on the leaf and causes degeneration of apical spikelets. Molecular cloning revealed that LMPA encodes a proton pump ATPase protein that is localized in the plasma membrane and is highly expressed in leaves and panicles. The analysis of promoter activity showed that the insertion of a fragment in the promoter of lmpa caused a decrease in the transcription level. Cellular and histochemistry analysis indicated that the ROS accumulated and cell death occurred in lmpa. Moreover, physiological experiments revealed that lmpa was more sensitive to high temperatures and salt stress conditions. These results provide a better understanding of the role of LMPA in panicle development and lesion mimic formation by regulating ROS homeostasis.
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Affiliation(s)
- Peng Hu
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Yiqing Tan
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Yi Wen
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
- Rice Research Institute of Shenyang Agricultural University/Key Laboratory of Northern Japonica Rice Genetics and Breeding, Ministry of Education and Liaoning Province, Shenyang, China
| | - Yunxia Fang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Yueying Wang
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Hao Wu
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Junge Wang
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Kaixiong Wu
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Bingze Chai
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Li Zhu
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Guangheng Zhang
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Zhenyu Gao
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Deyong Ren
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Dali Zeng
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Lan Shen
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Dawei Xue
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Qian Qian
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Jiang Hu
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
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Yang F, Xiong M, Huang M, Li Z, Wang Z, Zhu H, Chen R, Lu L, Cheng Q, Wang Y, Tang J, Zhuang H, Li Y. Panicle Apical Abortion 3 Controls Panicle Development and Seed Size in Rice. RICE (NEW YORK, N.Y.) 2021; 14:68. [PMID: 34264425 PMCID: PMC8282854 DOI: 10.1186/s12284-021-00509-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 06/09/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND In rice, panicle apical abortion is a common phenomenon that usually results in a decreased number of branches and grains per panicle, and consequently a reduced grain yield. A better understanding of the molecular mechanism of panicle abortion is thus critical for maintaining and increasing rice production. RESULTS We reported a new rice mutant panicle apical abortion 3 (paa3), which exhibited severe abortion of spikelet development on the upper part of the branches as well as decreased grain size over the whole panicle. Using mapping-based clone, the PAA3 was characterized as the LOC_ Os04g56160 gene, encoding an H+-ATPase. The PAA3 was expressed highly in the stem and panicle, and its protein was localized in the plasma membrane. Our data further showed that PAA3 played an important role in maintaining normal panicle development by participating in the removal of reactive oxygen species (ROS) in rice. CONCLUSIONS Our studies suggested that PAA3 might function to remove ROS, the accumulation of which leads to programmed cell death, and ultimately panicle apical abortion and decreased seed size in the paa3 panicle.
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Affiliation(s)
- Fayu Yang
- Rice Research Institute, Key Laboratory of Application and Safety Control of Genetically Modified Crops, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Mao Xiong
- Rice Research Institute, Key Laboratory of Application and Safety Control of Genetically Modified Crops, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Mingjiang Huang
- Rice Research Institute, Key Laboratory of Application and Safety Control of Genetically Modified Crops, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Zhongcheng Li
- Rice Research Institute, Key Laboratory of Application and Safety Control of Genetically Modified Crops, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Ziyi Wang
- Rice Research Institute, Key Laboratory of Application and Safety Control of Genetically Modified Crops, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Honghui Zhu
- Rice Research Institute, Key Laboratory of Application and Safety Control of Genetically Modified Crops, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Rui Chen
- Rice Research Institute, Key Laboratory of Application and Safety Control of Genetically Modified Crops, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Lu Lu
- Rice Research Institute, Key Laboratory of Application and Safety Control of Genetically Modified Crops, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Qinglan Cheng
- Rice Research Institute, Key Laboratory of Application and Safety Control of Genetically Modified Crops, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Yan Wang
- Rice Research Institute, Key Laboratory of Application and Safety Control of Genetically Modified Crops, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Jun Tang
- Rice Research Institute, Key Laboratory of Application and Safety Control of Genetically Modified Crops, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Hui Zhuang
- Rice Research Institute, Key Laboratory of Application and Safety Control of Genetically Modified Crops, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Yunfeng Li
- Rice Research Institute, Key Laboratory of Application and Safety Control of Genetically Modified Crops, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China.
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9
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Peng Q, Zhu C, Liu T, Zhang S, Feng S, Wu C. Phosphorylation of OsFD1 by OsCIPK3 promotes the formation of RFT1-containing florigen activation complex for long-day flowering in rice. MOLECULAR PLANT 2021; 14:1135-1148. [PMID: 33845208 DOI: 10.1016/j.molp.2021.04.003] [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: 05/14/2020] [Revised: 08/11/2020] [Accepted: 04/06/2021] [Indexed: 06/12/2023]
Abstract
Heading date is a critical trait that determines the regional adaptability and grain productivity of many crops. Although rice is a facultative short-day plant, its domestication led to the Ghd7-Ehd1-Hd3a/RFT1 pathway for adaptation to long-day conditions (LDs). The formation of the "florigen activation complex" (FAC) containing florigen Hd3a has been characterized. However, the molecular composition of the FAC that contains RFT1 for long-day flowering is unclear. We show here that RFT1 forms a ternary FAC with 14-3-3 proteins and OsFD1 to promote flowering under LDs. We identified a calcineurin B-like-interacting protein kinase, OsCIPK3, which directly interacts with and phosphorylates OsFD1, thereby facilitating the localization of the FAC to the nucleus. Mutation in OsCIPK3 results in a late heading date under LDs but a normal heading date under short-day conditions. Collectively, our results suggest that OsCIPK3 phosphorylates OsFD1 to promote RFT1-containing FAC formation and consequently induce flowering in rice under LDs.
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Affiliation(s)
- Qiang Peng
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China; Guizhou Rice Research Institute, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China
| | - Chunmei Zhu
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China
| | - Tao Liu
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China
| | - Shuo Zhang
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China
| | - Shijing Feng
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China
| | - Changyin Wu
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China.
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10
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Khan MA, Hamayun M, Asaf S, Khan M, Yun BW, Kang SM, Lee IJ. Rhizospheric Bacillus spp. Rescues Plant Growth Under Salinity Stress via Regulating Gene Expression, Endogenous Hormones, and Antioxidant System of Oryza sativa L. FRONTIERS IN PLANT SCIENCE 2021; 12:665590. [PMID: 34177981 PMCID: PMC8226221 DOI: 10.3389/fpls.2021.665590] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 05/19/2021] [Indexed: 05/27/2023]
Abstract
Salinity has drastically reduced crop yields and harmed the global agricultural industry. We isolated 55 bacterial strains from plants inhabiting the coastal sand dunes of Pohang, Korea. A screening bioassay showed that 14 of the bacterial isolates secreted indole-3-acetic acid (IAA), 12 isolates were capable of exopolysaccharide (EPS) production and phosphate solubilization, and 10 isolates secreted siderophores. Based on our preliminary screening, 11 bacterial isolates were tested for salinity tolerance on Luria-Bertani (LB) media supplemented with 0, 50, 100, and 150 mM of NaCl. Three bacterial isolates, ALT11, ALT12, and ALT30, had the best tolerance against elevated NaCl levels and were selected for further study. Inoculation of the selected bacterial isolates significantly enhanced rice growth attributes, viz., shoot length (22.8-42.2%), root length (28.18-59%), fresh biomass (44.7-66.41%), dry biomass (85-90%), chlorophyll content (18.30-36.15%), Chl a (29.02-60.87%), Chl b (30.86-64.51%), and carotenoid content (26.86-70%), under elevated salt stress of 70 and 140 mM. Furthermore, a decrease in the endogenous abscisic acid (ABA) content (27.9-23%) and endogenous salicylic acid (SA) levels (11.70-69.19%) was observed in inoculated plants. Antioxidant analysis revealed an increase in total protein (TP) levels (42.57-68.26%), whereas it revealed a decrease in polyphenol peroxidase (PPO) (24.63-34.57%), glutathione (GSH) (25.53-24.91%), SOA (13.88-18.67%), and LPO levels (15.96-26.06%) of bacterial-inoculated plants. Moreover, an increase in catalase (CAT) (26-33.04%), peroxidase (POD) (59.55-78%), superoxide dismutase (SOD) (13.58-27.77%), and ascorbic peroxidase (APX) (5.76-22.74%) activity was observed. Additionally, inductively coupled plasma mass spectrometry (ICP-MS) analysis showed a decline in Na+ content (24.11 and 30.60%) and an increase in K+ (23.14 and 15.45%) and Mg+ (2.82 and 18.74%) under elevated salt stress. OsNHX1 gene expression was downregulated (0.3 and 4.1-folds), whereas the gene expression of OsPIN1A, OsCATA, and OsAPX1 was upregulated by a 7-17-fold in bacterial-inoculated rice plants. It was concluded that the selected bacterial isolates, ALT11, ALT12, and ALT30, mitigated the adverse effects of salt stress on rice growth and can be used as climate smart agricultural tools in ecofriendly agricultural practices.
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Affiliation(s)
- Muhammad Aaqil Khan
- Department of Applied Biosciences, Kyungpook National University, Daegu, South Korea
| | - Muhammad Hamayun
- Department of Botany, Abdul Wali Khan University, Mardan, Pakistan
| | - Sajjad Asaf
- Natural and Medical Science Research Center, University of Nizwa, Nizwa, Oman
| | - Murtaza Khan
- Department of Applied Biosciences, Kyungpook National University, Daegu, South Korea
| | - Byung-Wook Yun
- Department of Botany, Abdul Wali Khan University, Mardan, Pakistan
| | - Sang-Mo Kang
- Department of Applied Biosciences, Kyungpook National University, Daegu, South Korea
| | - In-Jung Lee
- Department of Applied Biosciences, Kyungpook National University, Daegu, South Korea
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11
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Rice RBH1 Encoding A Pectate Lyase is Critical for Apical Panicle Development. PLANTS 2021; 10:plants10020271. [PMID: 33573206 PMCID: PMC7912155 DOI: 10.3390/plants10020271] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 01/09/2021] [Accepted: 01/11/2021] [Indexed: 12/12/2022]
Abstract
Panicle morphology is one of the main determinants of the rice yield. Panicle abortion, a typical panicle morphological defect results in yield reduction due to defective spikelet development. To further elucidate the molecular mechanism of panicle abortion in rice, a rice panicle bald head 1 (rbh1) mutant with transfer DNA (T-DNA) insertion showing severely aborted apical spikelets during panicle development was identified and characterized. The rbh1-1 mutant showed obviously altered cell morphology and structure in the degenerated spikelet. Molecular genetic studies revealed that RBH1 encodes a pectate lyase protein. Pectate lyase-specific activity of Rice panicle Bald Head 1 (RBH1) protein assay using polygalacturonic acid (PGA) as substrates illustrated that the enzyme retained a significant capacity to degrade PGA. In addition, immunohistochemical analysis showed that the degradation of pectin is inhibited in the rbh1-1 mutant. Further analysis revealed that a significant increase in reactive oxygen species (ROS) level was found in degenerated rbh1-1 spikelets. Taken together, our findings suggest that RBH1 is required for the formation of panicle and for preventing panicle abortion.
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12
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Zhou D, Shen W, Cui Y, Liu Y, Zheng X, Li Y, Wu M, Fang S, Liu C, Tang M, Yi Y, Zhao M, Chen L. APICAL SPIKELET ABORTION (ASA) Controls Apical Panicle Development in Rice by Regulating Salicylic Acid Biosynthesis. FRONTIERS IN PLANT SCIENCE 2021; 12:636877. [PMID: 33719311 PMCID: PMC7947001 DOI: 10.3389/fpls.2021.636877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 01/22/2021] [Indexed: 05/11/2023]
Abstract
Panicle degradation causes severe yield reduction in rice. There are two main types of panicle degradation: apical spikelet abortion and basal degeneration. In this study, we isolated and characterized the apical panicle abortion mutant apical spikelet abortion (asa), which exhibits degeneration and defects in the apical spikelets. This mutant had a pleiotropic phenotype, characterized by reduced plant height, increased tiller number, and decreased pollen fertility. Map-based cloning revealed that OsASA encodes a boric acid channel protein that showed the highest expression in the inflorescence, peduncle, and anther. RNA-seq analysis of the asa mutant vs wild-type (WT) plants revealed that biological processes related to reactive oxygen species (ROS) homeostasis and salicylic acid (SA) metabolism were significantly affected. Furthermore, the asa mutants had an increased SA level and H2O2 accumulation in the young panicles compared to the WT plants. Moreover, the SA level and the expression of OsPAL3, OsPAL4, and OsPAL6 genes (related to SA biosynthesis) were significantly increased under boron-deficient conditions in the asa mutant and in OsASA-knockout plants. Collectively, these results suggest that the boron distribution maintained by OsASA is required for normal panicle development in a process that involves modulating ROS homeostasis and SA biosynthesis.
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Affiliation(s)
- Dan Zhou
- Xiamen Key Laboratory for Plant Genetics, School of Life Sciences, Xiamen University, Xiamen, China
| | - Weifeng Shen
- Rice Research Institute, Fujian Academy of Agricultural Science, Fuzhou, China
| | - Yuchao Cui
- Xiamen Key Laboratory for Plant Genetics, School of Life Sciences, Xiamen University, Xiamen, China
| | - Yuqin Liu
- Rice Research Institute, Fujian Academy of Agricultural Science, Fuzhou, China
| | - Xijun Zheng
- Xiamen Key Laboratory for Plant Genetics, School of Life Sciences, Xiamen University, Xiamen, China
| | - Yan Li
- Xiamen Key Laboratory for Plant Genetics, School of Life Sciences, Xiamen University, Xiamen, China
| | - Minliang Wu
- Xiamen Key Laboratory for Plant Genetics, School of Life Sciences, Xiamen University, Xiamen, China
| | - Shanru Fang
- Rice Research Institute, Fujian Academy of Agricultural Science, Fuzhou, China
| | - Chunhong Liu
- Rice Research Institute, Fujian Academy of Agricultural Science, Fuzhou, China
| | - Ming Tang
- Key Laboratory of State Forestry Administration on Biodiversity Conservation in Karst Area of Southwestern, School of Life Sciences, Guizhou Normal University, Guiyang, China
- Key Laboratory of Plant Physiology and Developmental Regulation, School of Life Sciences, Guizhou Normal University, Guiyang, China
| | - Yin Yi
- Key Laboratory of State Forestry Administration on Biodiversity Conservation in Karst Area of Southwestern, School of Life Sciences, Guizhou Normal University, Guiyang, China
- Key Laboratory of Plant Physiology and Developmental Regulation, School of Life Sciences, Guizhou Normal University, Guiyang, China
| | - Mingfu Zhao
- Rice Research Institute, Fujian Academy of Agricultural Science, Fuzhou, China
- *Correspondence: Mingfu Zhao,
| | - Liang Chen
- Xiamen Key Laboratory for Plant Genetics, School of Life Sciences, Xiamen University, Xiamen, China
- Liang Chen,
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13
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Wang X, Li L, Sun X, Xu J, Ouyang L, Bian J, Chen X, Li W, Peng X, Hu L, Cai Y, Zhou D, He X, Fu J, Fu H, He H, Zhu C. Fine Mapping of a Novel Major Quantitative Trait Locus, qPAA7, That Controls Panicle Apical Abortion in Rice. FRONTIERS IN PLANT SCIENCE 2021; 12:683329. [PMID: 34305980 PMCID: PMC8293750 DOI: 10.3389/fpls.2021.683329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 06/09/2021] [Indexed: 05/17/2023]
Abstract
The panicle apical abortion (PAA) causes severe yield losses in rice production, but details about its development and molecular basis remain elusive. Here, we detected PAA quantitative trait loci (QTLs) in three environments using a set of chromosome segment substitution lines (CSSLs) that was constructed with indica Changhui121 as the recurrent parent and japonica Koshihikari as the donor parent. First, we identified a novel major effector quantitative trait locus, qPAA7, and selected a severe PAA line, CSSL176, which had the highest PAA rate among CSSLs having Koshihikari segments at this locus. Next, an F2 population was constructed from a cross between CSS176 and CH121. Using F2 to make recombinantion analysis, qPAA7 was mapped to an 73.8-kb interval in chromosome 7. Among nine candidate genes within this interval, there isn't any known genes affecting PAA. According to the gene annotation, gene expression profile and alignment of genomic DNA, LOC_Os07g41220 and LOC_Os07g41280 were predicted as putative candidate genes of qPAA7. Our study provides a foundation for cloning and functional characterization of the target gene from this locus.
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14
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Ali A, Xu P, Riaz A, Wu X. Current Advances in Molecular Mechanisms and Physiological Basis of Panicle Degeneration in Rice. Int J Mol Sci 2019; 20:ijms20071613. [PMID: 30939720 PMCID: PMC6479839 DOI: 10.3390/ijms20071613] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Revised: 03/27/2019] [Accepted: 03/28/2019] [Indexed: 12/22/2022] Open
Abstract
Panicle degeneration, also known as panicle abortion, is a serious defect and causes heavy losses to reproductive yield in cereals. Several mutants have been reported to display the phenotype of spikelet abortion in rice. Recent findings have resulted in significant breakthroughs, but comprehensive understanding about the molecular pathways and physiological basis of panicle degeneration still remain a dilemma. In this review, we have summarized all the responsible genes and mechanisms underlying the panicle development with a special focus on degeneration. Here, we hypothesized a model by using knowledge and coherent logic in order to understand the molecular regulation of panicle degeneration. In addition to this, we included all the previous discoveries, schools of thoughts, ancient working theories, and crosstalk of phytohormones and provided new insights for future studies.
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Affiliation(s)
- Asif Ali
- Key Laboratory of Crop Genetic Resources and Genetic Improvement, Ministry of Education, Institute of Rice Research, Sichuan Agricultural University, Chengdu 611130, China.
| | - Peizhou Xu
- Key Laboratory of Crop Genetic Resources and Genetic Improvement, Ministry of Education, Institute of Rice Research, Sichuan Agricultural University, Chengdu 611130, China.
| | - Asad Riaz
- Key Laboratory of Crop Genetic Resources and Genetic Improvement, Ministry of Education, Institute of Rice Research, Sichuan Agricultural University, Chengdu 611130, China.
| | - Xianjun Wu
- Key Laboratory of Crop Genetic Resources and Genetic Improvement, Ministry of Education, Institute of Rice Research, Sichuan Agricultural University, Chengdu 611130, China.
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15
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Huang H, Ullah F, Zhou DX, Yi M, Zhao Y. Mechanisms of ROS Regulation of Plant Development and Stress Responses. FRONTIERS IN PLANT SCIENCE 2019; 10:800. [PMID: 31293607 PMCID: PMC6603150 DOI: 10.3389/fpls.2019.00800] [Citation(s) in RCA: 509] [Impact Index Per Article: 101.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Accepted: 06/03/2019] [Indexed: 05/19/2023]
Abstract
Plants are subjected to various environmental stresses throughout their life cycle. Reactive oxygen species (ROS) play important roles in maintaining normal plant growth, and improving their tolerance to stress. This review describes the production and removal of ROS in plants, summarizes recent progress in understanding the role of ROS during plant vegetative apical meristem development, organogenesis, and abiotic stress responses, and some novel findings in recent years are discussed. More importantly, interplay between ROS and epigenetic modifications in regulating gene expression is specifically discussed. To summarize, plants integrate ROS with genetic, epigenetic, hormones and external signals to promote development and environmental adaptation.
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Affiliation(s)
- Honglin Huang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Farhan Ullah
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Dao-Xiu Zhou
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Ming Yi
- College of Science, Huazhong Agricultural University, Wuhan, China
| | - Yu Zhao
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
- *Correspondence: Yu Zhao,
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