Journal of Integrative Plant Biology最新文献

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Plant viruses convergently target NPR1 with various strategies to suppress salicylic acid-mediated antiviral immunity 植物病毒通过多种策略趋同地靶向NPR1,抑制水杨酸介导的抗病毒免疫。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-02-21 DOI: 10.1111/jipb.13866
Xue Jiang, Yingshuai Yang, Yong Li, Yongzhi Wang, Bernardo Rodamilans, Weiqin Ji, Xiaoxia Wu, Juan Antonio García, Xiaoyun Wu, Xiaofei Cheng
{"title":"Plant viruses convergently target NPR1 with various strategies to suppress salicylic acid-mediated antiviral immunity","authors":"Xue Jiang,&nbsp;Yingshuai Yang,&nbsp;Yong Li,&nbsp;Yongzhi Wang,&nbsp;Bernardo Rodamilans,&nbsp;Weiqin Ji,&nbsp;Xiaoxia Wu,&nbsp;Juan Antonio García,&nbsp;Xiaoyun Wu,&nbsp;Xiaofei Cheng","doi":"10.1111/jipb.13866","DOIUrl":"10.1111/jipb.13866","url":null,"abstract":"<p>NONEXPRESSER OF PATHOGENESIS-RELATED GENES 1 (NPR1), the receptor for salicylic acid (SA), plays a central role in the SA-mediated basal antiviral responses. Recent studies have shown that two different plant RNA viruses encode proteins that suppress such antiviral responses by inhibiting its SUMOylation and inducing its degradation, respectively. However, it is unclear whether targeting NPR1 is a general phenomenon in viruses and whether viruses have novel strategies to inhibit NPR1. In the present study, we report that two different positive-sense single-stranded RNA (+ssRNA) viruses, namely, alfalfa mosaic virus (AMV) and potato virus X (PVX); one negative-sense single-stranded RNA (−ssRNA) virus (calla lily chlorotic spot virus, CCSV); and one single-stranded DNA virus (beet severe curly-top virus, BSCTV) that also encode one or more proteins that interact with NPR1. In addition, we found that the AMV-encoded coat protein (CP) can induce NPR1 degradation by recruiting S-phase kinase-associated protein 1 (Skp1), a key component of the Skp1/cullin1/F-box (SCF) E3 ligase. In contrast, the BSCTV-encoded V2 protein inhibits NPR1 function, probably by affecting its nucleocytoplasmic distribution via the nuclear export factor ALY. Taken together, these data suggest that NPR1 is one of the central hubs in the molecular arms race between plants and viruses and that different viruses have independently evolved different strategies to target NPR1 and disrupt its function.</p>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 5","pages":"1395-1412"},"PeriodicalIF":9.3,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jipb.13866","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143466433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New insights into CNL-mediated immunity through recognition of Ralstonia solanacearum RipP1 by NbZAR1 NbZAR1通过识别茄枯菌RipP1对cnl介导免疫的新认识。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-02-19 DOI: 10.1111/jipb.13855
Yuyan An, Jingwei Lu, Shuangxi Zhang, Beibei Fang, Meixiang Zhang
{"title":"New insights into CNL-mediated immunity through recognition of Ralstonia solanacearum RipP1 by NbZAR1","authors":"Yuyan An,&nbsp;Jingwei Lu,&nbsp;Shuangxi Zhang,&nbsp;Beibei Fang,&nbsp;Meixiang Zhang","doi":"10.1111/jipb.13855","DOIUrl":"10.1111/jipb.13855","url":null,"abstract":"<p><i>Nicotiana benthamiana</i> requires the coiled-coil nucleotide-binding leucine-rich repeat receptor protein NbZAR1 to recognize the type III effector RipP1 from <i>Ralstonia solanacearum</i>. Moreover, RipP1-induced cell death and immunity relies on EDS1 and NRG1, two core components of the Toll-interleukin 1-like receptor nucleotide-binding leucine-rich repeat receptor signaling pathway\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 5","pages":"1220-1222"},"PeriodicalIF":9.3,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jipb.13855","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143447418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Accurate genomic prediction for grain yield and grain moisture content of maize hybrids using multi-environment data 利用多环境数据对玉米杂交种籽粒产量和籽粒含水量进行精确的基因组预测。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-02-17 DOI: 10.1111/jipb.13857
Jingxin Wang, Liwei Liu, Kunhui He, Takele Weldu Gebrewahid, Shang Gao, Qingzhen Tian, Zhanyi Li, Yiqun Song, Yiliang Guo, Yanwei Li, Qinxin Cui, Luyan Zhang, Jiankang Wang, Changling Huang, Liang Li, Tingting Guo, Huihui Li
{"title":"Accurate genomic prediction for grain yield and grain moisture content of maize hybrids using multi-environment data","authors":"Jingxin Wang,&nbsp;Liwei Liu,&nbsp;Kunhui He,&nbsp;Takele Weldu Gebrewahid,&nbsp;Shang Gao,&nbsp;Qingzhen Tian,&nbsp;Zhanyi Li,&nbsp;Yiqun Song,&nbsp;Yiliang Guo,&nbsp;Yanwei Li,&nbsp;Qinxin Cui,&nbsp;Luyan Zhang,&nbsp;Jiankang Wang,&nbsp;Changling Huang,&nbsp;Liang Li,&nbsp;Tingting Guo,&nbsp;Huihui Li","doi":"10.1111/jipb.13857","DOIUrl":"10.1111/jipb.13857","url":null,"abstract":"<div>\u0000 \u0000 <p>Incorporating genotype-by-environment (GE) interaction effects into genomic prediction (GP) models with multi-environment climate data can improve selection accuracy to accelerate crop breeding but has received little research attention. Here, we conducted a cross-region GP study of grain moisture content (GMC) and grain yield (GY) in maize hybrids in two major Chinese growing regions using data for 19 climatic factors across 34 environments in 2020 and 2021. Predictions were conducted in 2,126 hybrids generated from 475 maize inbred lines, using 9,355 single nucleotide polymorphism markers for genotyping. Models based on genomic best linear unbiased prediction (GBLUP) incorporating GE interaction effects of 19 climatic factors associated with day length, transpiration, temperature, and radiation (GBLUP-GE<sub>19CF</sub>) trained on whole data set outperformed the traditional GBLUP or BayesB models in predicting GMC or GY by 10-fold cross-validation, achieving prediction accuracies of 0.731 and 0.331, respectively. To refine the climate data, we examined 84 statistical features associated with these climatic factors and identified nine factors most correlated with GMC or GY. Principal component analysis of climate data yielded nine principal components responsible for 97% of the variability in the data. Incorporating these nine factors or principal components into the GBLUP-GE framework with a similarity matrix of environments (GBLUP-GE<sub>9CF</sub> and GBLUP-GE<sub>PCA</sub>) provided similar prediction accuracies but could reduce the computational burden. In addition, increasing the number of test set environments in the training set from 8 to 14 increased the prediction accuracy of GBLUP-GE<sub>19CF</sub> trained with monthly average climate data for 2020–2021. Examining prediction accuracy based on concordance, the proportion of overlapping hybrids between the top 50% of predicted and observed values for GMC and GY, indicated that concordance exceeded 50% for the GBLUP-GE<sub>19CF</sub> model, confirming the reliability of our predictions. This study can provide practical guidance for optimizing GPs for maize breeding programs in multi-environment selection.</p></div>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 5","pages":"1379-1394"},"PeriodicalIF":9.3,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143439790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Florigen-like protein OsFTL1 promotes flowering without essential florigens Hd3a and RFT1 in rice 花原样蛋白OsFTL1在没有必需花原Hd3a和RFT1的情况下促进水稻开花。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-02-17 DOI: 10.1111/jipb.13856
Shaobo Wei, Long Cheng, Hongge Qian, Xia Li, Lianguang Shang, Yujie Zhou, Xiangyuan Ye, Yupeng Zhou, Yuan Gao, Lin Cheng, Chen Xie, Qingwen Yang, Qian Qian, Wenbin Zhou
{"title":"Florigen-like protein OsFTL1 promotes flowering without essential florigens Hd3a and RFT1 in rice","authors":"Shaobo Wei,&nbsp;Long Cheng,&nbsp;Hongge Qian,&nbsp;Xia Li,&nbsp;Lianguang Shang,&nbsp;Yujie Zhou,&nbsp;Xiangyuan Ye,&nbsp;Yupeng Zhou,&nbsp;Yuan Gao,&nbsp;Lin Cheng,&nbsp;Chen Xie,&nbsp;Qingwen Yang,&nbsp;Qian Qian,&nbsp;Wenbin Zhou","doi":"10.1111/jipb.13856","DOIUrl":"10.1111/jipb.13856","url":null,"abstract":"<div>\u0000 \u0000 <p>Flowering time is a critical agronomic trait in rice, directly influencing grain yield and adaptability to specific planting regions and seasons. Florigens, including FLOWERING LOCUS T (FT) proteins Hd3a (OsFTL2) and RFT1 (OsFTL3), play central roles in transmitting flowering signals through rice's photoperiod regulatory network. While Hd3a and RFT1 have been extensively studied, the functions and interactions of other FT-like proteins remain unclear, limiting advancements in breeding strategies for early-maturing rice varieties. Here, we demonstrate that the florigen-like protein OsFTL1 forms a florigen activation complex (FAC) and promotes flowering under both short-day and long-day conditions. OsFTL1 localizes to the nucleus and cytoplasm, with predominant expression in the shoot base, facilitating its mobilization to the shoot apical meristem (SAM) to initiate flowering. Overexpression of <i>OsFTL1</i> (<i>OsFTL1</i>-OE) in leaves or shoot bases significantly accelerates flowering and alters plant architecture. In the nucleus, OsFTL1 interacts with GF14c and OsFD1 to form an FAC, activating <i>OsMADS14</i> and <i>OsMADS15</i> expression to drive flowering. Markedly, <i>OsFTL1</i>-OE plants deficient in <i>Hd3a</i> and <i>RFT1</i> exhibited earlier flowering compared with wild-type plants, indicating that <i>OsFTL1</i> can independently promote flowering. Furthermore, haplotype analysis identified <i>OsFTL1-Hap3</i>, a beneficial variant associated with early flowering and comparable grain yields. These findings revealed that OsFTL1 can substitute for Hd3a and RFT1 in FAC formation, promoting flowering across photoperiods, and highlighting its potential application in breeding early-maturing, high-yield rice varieties suitable for diverse environments.</p></div>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 5","pages":"1307-1322"},"PeriodicalIF":9.3,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143439806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multiple roles of NAC transcription factors in plant development and stress responses NAC转录因子在植物发育和逆境响应中的多重作用。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-02-14 DOI: 10.1111/jipb.13854
Haiyan Xiong, Haidong He, Yu Chang, Binbin Miao, Zhiwei Liu, Qianqian Wang, Faming Dong, Lizhong Xiong
{"title":"Multiple roles of NAC transcription factors in plant development and stress responses","authors":"Haiyan Xiong,&nbsp;Haidong He,&nbsp;Yu Chang,&nbsp;Binbin Miao,&nbsp;Zhiwei Liu,&nbsp;Qianqian Wang,&nbsp;Faming Dong,&nbsp;Lizhong Xiong","doi":"10.1111/jipb.13854","DOIUrl":"10.1111/jipb.13854","url":null,"abstract":"<p>NAC (NAM, ATAF1/2, and CUC2) transcription factors (TFs) are a family of plant-specific TFs that play crucial roles in various aspects of plant development and stress responses. Here, we provide an in-depth review of the structural characteristics, regulatory mechanisms, and functional roles of NACs in different plant species. One of the key features of NACs is their ability to regulate gene expression through a variety of mechanisms, including binding to DNA sequences in the promoter regions of target genes, interacting with other TFs, and modulating chromatin structure. We discuss these mechanisms in detail, providing insights into the complex regulatory networks that govern the activity of NACs. We explore the diverse functions of these TFs in plant growth and development processes, including embryogenesis, seed development, root and shoot development, floral development and fruit ripening, secondary cell wall formation, and senescence. We also discuss the diverse regulatory roles of NACs in response to various stresses, including drought, flooding, heat, cold, salinity, nutrient deficit, and diseases. Lastly, we emphasize the crosstalk role of NACs between developmental processes and stress responses. This integrated perspective highlights how NACs orchestrate plant growth and resilience. Overall, this review provides a comprehensive overview of the pivotal roles of NACs in plant development and stress responses, emphasizing their potential for engineering stress-resistant crops and enhancing agricultural productivity.</p>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 3","pages":"510-538"},"PeriodicalIF":9.3,"publicationDate":"2025-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jipb.13854","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143412605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Creation of fragrant peanut using CRISPR/Cas9. 利用CRISPR/Cas9技术培育香花生。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-02-14 DOI: 10.1111/jipb.13864
Lulu Xue, Pengyu Qu, Huanhuan Zhao, Han Liu, Bingyan Huang, Xiaobo Wang, Zhongxin Zhang, Xiaodong Dai, Li Qin, Wenzhao Dong, Lei Shi, Xinyou Zhang
{"title":"Creation of fragrant peanut using CRISPR/Cas9.","authors":"Lulu Xue, Pengyu Qu, Huanhuan Zhao, Han Liu, Bingyan Huang, Xiaobo Wang, Zhongxin Zhang, Xiaodong Dai, Li Qin, Wenzhao Dong, Lei Shi, Xinyou Zhang","doi":"10.1111/jipb.13864","DOIUrl":"https://doi.org/10.1111/jipb.13864","url":null,"abstract":"<p><p>Targeted knockout of the betaine aldehyde dehydrogenase genes AhBADH1 and AhBADH2 using CRISPR/Cas9 produced peanut mutant lines with significantly elevated 2-acetyl-1-pyrroline levels and a strong aroma, marking the first creation of fragrant peanut lines.</p>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":" ","pages":""},"PeriodicalIF":9.3,"publicationDate":"2025-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143412602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DBB2 regulates plant height and shade avoidance responses in maize DBB2调控玉米株高和避荫反应。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-02-12 DOI: 10.1111/jipb.13859
Xiaofei Wang, Zihao Jiao, Yonghui Zhang, Qingbiao Shi, Qibin Wang, Fengli Zhou, Di Xu, Guodong Wang, Fanying Kong, Haisen Zhang, Pinghua Li, Haiyang Wang, Gang Li
{"title":"DBB2 regulates plant height and shade avoidance responses in maize","authors":"Xiaofei Wang,&nbsp;Zihao Jiao,&nbsp;Yonghui Zhang,&nbsp;Qingbiao Shi,&nbsp;Qibin Wang,&nbsp;Fengli Zhou,&nbsp;Di Xu,&nbsp;Guodong Wang,&nbsp;Fanying Kong,&nbsp;Haisen Zhang,&nbsp;Pinghua Li,&nbsp;Haiyang Wang,&nbsp;Gang Li","doi":"10.1111/jipb.13859","DOIUrl":"10.1111/jipb.13859","url":null,"abstract":"<div>\u0000 \u0000 <p>Increasing plant density has been recognized as an effective strategy for boosting maize yields over the past few decades. However, dense planting significantly reduces the internal light intensity and the red to far-red (R:FR) light ratio in the canopy, which subsequently triggers shade avoidance responses (SAR) that limit further yield enhancements, particularly under high-density conditions. In this study, we identified double B-box containing protein DBB2, a member of the <i>ZmBBX</i> family that is rapidly induced by shade, as a crucial regulator of plant height and SAR. Disruption of <i>DBB2</i> resulted in shorter internodes, reduced plant height, decreased cell elongation, and diminished sensitivity to shade in maize, effects that can be largely alleviated by external treatment with gibberellins (GA). Furthermore, we discovered that DBB2 physically interacted with the transcription factor HY5, inhibiting its transcriptional activation of <i>ZmGA2ox4</i>, a gene encoding a GA2 oxidase that can deactivate GA. This interaction positively influences maize plant height through the GA pathway. Additionally, we found that the induction of <i>ZmDBB2</i> by shade is mediated by the transcription factor PIF4. Interestingly, DBB2 then interacted with PIF4 to enhance the transcriptional activation of cell elongation-related genes, such as <i>ZmEXPA1</i>, thereby establishing a positive feedback loop promoting cell elongation under canopy shade conditions. Our findings highlight the critical role of BBX proteins in modulating plant height and SAR, presenting them as key genetic targets for developing maize varieties suited to high-density planting conditions. This study also provides new insights into the molecular mechanisms underlying SAR and offers potential strategies for the genetic improvement of maize plant architecture and grain yield.</p></div>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 5","pages":"1323-1338"},"PeriodicalIF":9.3,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143397635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SMALL AND ROUND GRAIN is involved in the brassinosteroid signaling pathway which regulates grain size in rice 小圆粒参与调控水稻籽粒大小的油菜素内酯信号通路。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-02-12 DOI: 10.1111/jipb.13861
Rong Miao, Qibing Lin, Penghui Cao, Chunlei Zhou, Miao Feng, Jie Lan, Sheng Luo, Fulin Zhang, Hongmin Wu, Qixian Hao, Hai Zheng, Tengfei Ma, Yunshuai Huang, Changling Mou, Thanhliem Nguyen, Zhijun Cheng, Xiuping Guo, Shijia Liu, Ling Jiang, Jianmin Wan
{"title":"SMALL AND ROUND GRAIN is involved in the brassinosteroid signaling pathway which regulates grain size in rice","authors":"Rong Miao,&nbsp;Qibing Lin,&nbsp;Penghui Cao,&nbsp;Chunlei Zhou,&nbsp;Miao Feng,&nbsp;Jie Lan,&nbsp;Sheng Luo,&nbsp;Fulin Zhang,&nbsp;Hongmin Wu,&nbsp;Qixian Hao,&nbsp;Hai Zheng,&nbsp;Tengfei Ma,&nbsp;Yunshuai Huang,&nbsp;Changling Mou,&nbsp;Thanhliem Nguyen,&nbsp;Zhijun Cheng,&nbsp;Xiuping Guo,&nbsp;Shijia Liu,&nbsp;Ling Jiang,&nbsp;Jianmin Wan","doi":"10.1111/jipb.13861","DOIUrl":"10.1111/jipb.13861","url":null,"abstract":"<div>\u0000 \u0000 <p>Grain size is a key determinant of 1,000-grain weight, one of three factors determining grain yield. However, the complete regulatory network controlling grain size has not been fully clarified. Here, we identified a rice mutant, named <i>small and round grain</i> (<i>srg</i>) that exhibits semi-dwarf stature and small grain size. Cytological analysis showed that cell length and number of spikelet epidermal cells of the <i>srg</i> mutant are reduced, indicating that <i>SRG</i> controls grain size by promoting cell elongation and increasing cell number. <i>SRG</i> encodes a kinesin belonging to the kinesin-1 subfamily and is extensively expressed in different plant tissues with relatively high expression in young panicles. SRG protein is mainly located in the nucleus and cell membrane. Expression of the <i>SRG</i> gene was induced by brassinolide through the brassinosteroid (BR) responsive factor OsWRKY53 and SRG protein was phosphorylated by BR-activated kinase OsBSK3 to prevent its degradation. In addition, microtubule (MT) morphology was abnormal and disordered in the <i>srg</i> and <i>cr-1</i> mutants. These findings suggest that BR likely stabilizes orderly assembly and arrangement of MTs by stabilizing SRG proteins, thus promoting grain size. <i>SRG</i> overexpression lines produced more tillers and significantly larger and heavier grains to increase 1,000-grain weight, suggesting that <i>SRG</i> has potential to increase grain yield. Our study indicated that SRG is a new BR responsive factor and BR might regulate grain size by influencing the expression of <i>SRG</i>.</p></div>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 5","pages":"1290-1306"},"PeriodicalIF":9.3,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143397642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MdZFP7 integrates JA and GA signals via interaction with MdJAZ2 and MdRGL3a in regulating anthocyanin biosynthesis and undergoes degradation by the E3 ubiquitin ligase MdBRG3 MdZFP7通过与MdJAZ2和MdRGL3a相互作用,整合JA和GA信号,调节花青素的生物合成,并通过E3泛素连接酶MdBRG3降解。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-02-12 DOI: 10.1111/jipb.13862
Xing-Long Ji, Ling-Ling Zhao, Baoyou Liu, Yong-Bing Yuan, Yuepeng Han, Chun-Xiang You, Jian-Ping An
{"title":"MdZFP7 integrates JA and GA signals via interaction with MdJAZ2 and MdRGL3a in regulating anthocyanin biosynthesis and undergoes degradation by the E3 ubiquitin ligase MdBRG3","authors":"Xing-Long Ji,&nbsp;Ling-Ling Zhao,&nbsp;Baoyou Liu,&nbsp;Yong-Bing Yuan,&nbsp;Yuepeng Han,&nbsp;Chun-Xiang You,&nbsp;Jian-Ping An","doi":"10.1111/jipb.13862","DOIUrl":"10.1111/jipb.13862","url":null,"abstract":"<div>\u0000 \u0000 <p>Jasmonic acid (JA) and gibberellin (GA) coordinate many aspects of plant growth and development, including anthocyanin biosynthesis. However, the crossover points of JA and GA signals and the pathways through which they interact to regulate anthocyanin biosynthesis are poorly understood. Here, we investigated the molecular mechanism by which the zinc finger protein (ZFP) transcription factor <i>Malus domestica</i> ZFP7 (MdZFP7) regulates anthocyanin biosynthesis by integrating JA and GA signals at the transcriptional and post-translational levels. MdZFP7 is a positive regulator of anthocyanin biosynthesis, which fulfills its role by directly activating the expression of <i>MdMYB1</i> and enhancing the transcriptional activation of MdWRKY6 on the target genes <i>MdDFR</i> and <i>MdUF3GT</i>. MdZFP7 integrates JA and GA signals by interacting with the JA repressor apple JASMONATE ZIM-DOMAIN2 (MdJAZ2) and the GA repressor apple REPRESSOR-of-ga1-3-like 3a (MdRGL3a). MdJAZ2 weakens the transcriptional activation of <i>MdMYB1</i> by MdZFP7 and disrupts the MdZFP7–MdWRKY6 interaction, thereby reducing the anthocyanin biosynthesis promoted by MdZFP7. MdRGL3a contributes to the stimulation of anthocyanin biosynthesis by MdZFP7 by sequestering MdJAZ2 from the MdJAZ2–MdZFP7 complex. The E3 ubiquitin ligase apple BOI-related E3 ubiquitin-protein ligase 3 (MdBRG3), which is antagonistically regulated by JA and GA, targets the ubiquitination degradation of MdZFP7. The MdBRG3-MdZFP7 module moves the crosstalk of JA and GA signals from the realm of transcriptional regulation and into the protein post-translational modification. In conclusion, this study not only elucidates the node-role of MdZFP7 in the integration of JA and GA signals, but also describes the transcriptional and post-translational regulatory network of anthocyanin biosynthesis with MdZFP7 as the hub.</p></div>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 5","pages":"1339-1363"},"PeriodicalIF":9.3,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143397638","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The teosinte-derived allele COOL1 is a potential target for molecular design of chilling resilience in maize 大刍草衍生的等位基因COOL1是玉米抗寒性分子设计的潜在靶点。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-02-12 DOI: 10.1111/jipb.13865
Xiaoyu Guo, Kang Chong
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