Journal of Integrative Plant Biology最新文献

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Carotenoid isomerase regulates rice tillering and grain productivity by its biosynthesis pathway 类胡萝卜素异构酶通过其生物合成途径调控水稻分蘖和籽粒产量。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-06-03 DOI: 10.1111/jipb.13946
{"title":"Carotenoid isomerase regulates rice tillering and grain productivity by its biosynthesis pathway","authors":"","doi":"10.1111/jipb.13946","DOIUrl":"10.1111/jipb.13946","url":null,"abstract":"<p>The authors would like to draw the reader's attention to errors in the following article:</p><p><b>Ding, C., Shao, Z., Yan, Y., Zhang, G., Zeng, D., Zhu, L., Hu, J., Gao, Z., Dong, G., Qian, Q., and Ren, D.</b> (2024). Carotenoid isomerase regulates rice tillering and grain productivity by its biosynthesis pathway. J. Integr. Plant Biol. <b>66</b>: 172–175. https://doi.org/10.1111/jipb.13617</p><p>During the organization of original photographic materials, the authors identified that the image labeled “OE-2” in Figure 1A had been erroneously replaced with another tillering phenotype-related plant image captured simultaneously from the same directory. This substitution resulted in the incorrect incorporation of the “OE-2” image during the composite figure assembly process. The authors have subsequently prepared the authentic original photograph corresponding to “OE-2,” with both the original Figure 1A and its rectified version presented below. A comprehensive re-examination confirmed that the applied correction altered neither the data description nor the text conclusions.</p><p>The authors apologize for this error.</p>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 9","pages":""},"PeriodicalIF":9.3,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jipb.13946","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144207286","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
Issue information page 发行信息页面
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-06-03 DOI: 10.1111/jipb.13694
{"title":"Issue information page","authors":"","doi":"10.1111/jipb.13694","DOIUrl":"https://doi.org/10.1111/jipb.13694","url":null,"abstract":"","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 6","pages":"1429-1430"},"PeriodicalIF":9.3,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jipb.13694","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144196960","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
BBX32 dampens E3 ligase activity to promote greening in emerging seedlings BBX32抑制E3连接酶活性,促进新生幼苗变绿。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-05-30 DOI: 10.1111/jipb.13939
Kangwei Wang, Yun Meng, Qian Tian, Rong Zhou, Shi-an Wu, Jiashuai Wu, Shameen Sajid, Ying He, Junjie Ling, Haiyang Jiang, Qingqing Wu
{"title":"BBX32 dampens E3 ligase activity to promote greening in emerging seedlings","authors":"Kangwei Wang,&nbsp;Yun Meng,&nbsp;Qian Tian,&nbsp;Rong Zhou,&nbsp;Shi-an Wu,&nbsp;Jiashuai Wu,&nbsp;Shameen Sajid,&nbsp;Ying He,&nbsp;Junjie Ling,&nbsp;Haiyang Jiang,&nbsp;Qingqing Wu","doi":"10.1111/jipb.13939","DOIUrl":"10.1111/jipb.13939","url":null,"abstract":"<div>\u0000 \u0000 <p>Germinating seeds undergo elaborate de-etiolation developmental transitions upon initial soil emergence. As central transcription factors promoting cotyledon greening, the abundance of ETHYLENE-INSENSITIVE 3 (EIN3) and PHYTOCHROME-INTERACTING FACTOR 3 (PIF3) are strictly controlled by physically associating themselves with the EIN3-BINDING F BOX PROTEINS 1 and 2 (EBF1/2) for ubiquitination. Here, we report that the B-box zinc-finger protein BBX32, as a positive regulator during seedling de-etiolation. BBX32 is robustly elevated during the dark-to-light transitions. Constitutively expressing <i>BBX32</i> ultimately protects against severe photobleaching damage by synchronizing the accumulation of protochlorophyllide (Pchlide) and the differentiation of etioplast–chloroplast apparatus in buried seedlings. Specifically, BBX32 directly interacts with EIN3, PIF3 and EBF1/2. These associations disrupt the assembly of the SCF<sup>EBF1/2</sup>-EIN3/PIF3 E3 ligation protein complexes, thus dampening E3 ligase activity and robustly controlling EIN3/PIF3 stability. Under soil conditions, <i>BBX32-ox</i> largely rescues the greening deficiency of <i>EBF1ox</i>, and all <i>EIN3ox/bbx32</i> seedlings override the <i>bbx32</i> mutant defect and successfully turn green. Both biochemical findings and genetic evidence reveal a novel regulatory paradigm by which the B-box protein dampens the E3 ligase binding activity to achieve green seedlings upon changes in light or soil environmental conditions.</p></div>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 8","pages":"2078-2099"},"PeriodicalIF":9.3,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144179683","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
TaSED interacts with TaSPA synergistically regulating SDS-sedimentation volume in bread wheat tase与TaSPA相互作用,协同调节面包小麦sds -沉淀体积。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-05-28 DOI: 10.1111/jipb.13935
Shanshan Zhai, Runqi Zhang, Xinhao Meng, Guoyu Liu, Jiazheng Yu, Huanwen Xu, Hongyao Lou, Shidian Wen, Mingshan You, Chaojie Xie, Jie Liu, Zhongfu Ni, Qixin Sun, Baoyun Li
{"title":"TaSED interacts with TaSPA synergistically regulating SDS-sedimentation volume in bread wheat","authors":"Shanshan Zhai,&nbsp;Runqi Zhang,&nbsp;Xinhao Meng,&nbsp;Guoyu Liu,&nbsp;Jiazheng Yu,&nbsp;Huanwen Xu,&nbsp;Hongyao Lou,&nbsp;Shidian Wen,&nbsp;Mingshan You,&nbsp;Chaojie Xie,&nbsp;Jie Liu,&nbsp;Zhongfu Ni,&nbsp;Qixin Sun,&nbsp;Baoyun Li","doi":"10.1111/jipb.13935","DOIUrl":"10.1111/jipb.13935","url":null,"abstract":"<p>The SDS-sedimentation volume (SSV) is a critical indicator for assessing wheat gluten quality and is widely used when evaluating wheat processing quality. However, the molecular mechanisms regulating SSV remain poorly understood. In this study, we performed an analysis of quantitative trait loci (QTLs) for SSV using a recombinant inbred line (RIL) population derived from a cross between TAA10 and XX329, and identified four environmentally stable QTLs located on chromosomes 1D, 2D, 4D, and 6D. Among them, the effects of <i>Qssv.cau-1D</i> and <i>Qssv.cau-6D</i> were likely to be explained by genome variations at the <i>Glu-D1</i> and <i>Gli-D2</i> loci. We fine mapped <i>Qssv.cau-2D</i> to the candidate causal gene <i>TaSED</i>, encoding a nucleolar protein. Gene-edited <i>TaSED</i> knockout mutants (<i>tased</i>) had a lower SSV, while <i>TaSED</i> overexpression lines showed a higher SSV. We demonstrated that TaSED interacted with the transcription factor TaSPA to enhance its transcriptional activation activity of glutenin and gliadin, whose expression was downregulated in <i>tased</i> and upregulated in <i>TaSED</i>-OE plants, with corresponding differences in glutenin and gliadin content compared with the wild-type. A molecular marker <i>sedTX</i> was further developed based on a nonsynonymous mutation of the parents in <i>TaSED</i> that could be used to identify haplotypes with high SSV effectively. Our findings elucidate a molecular mechanism governing SSV and reveal valuable variants with promising applications for improving wheat quality.</p>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 8","pages":"2100-2117"},"PeriodicalIF":9.3,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jipb.13935","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144155433","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
Transcription activator-like effectors of Xanthomonas oryzae pv. oryzae hijack host transcriptional regulation through OsWRKYs 米黄单胞菌转录激活因子样效应物。oryzae通过OsWRKYs劫持宿主转录调控。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-05-28 DOI: 10.1111/jipb.13940
Jong Hee Im, Naeyeoung Choi, Jinjeong Lee, Man-Young Jung, Sang Ryeol Park, Duk-Ju Hwang
{"title":"Transcription activator-like effectors of Xanthomonas oryzae pv. oryzae hijack host transcriptional regulation through OsWRKYs","authors":"Jong Hee Im,&nbsp;Naeyeoung Choi,&nbsp;Jinjeong Lee,&nbsp;Man-Young Jung,&nbsp;Sang Ryeol Park,&nbsp;Duk-Ju Hwang","doi":"10.1111/jipb.13940","DOIUrl":"10.1111/jipb.13940","url":null,"abstract":"<p>Transcription activator-like effectors (TALEs) mimic eukaryotic transcriptional activators and translocate into host plant cells via the bacterial type III secretion system (T3SS) during pathogenic interactions. They play a crucial role in disease development by regulating host genes. Despite this, the regulatory mechanisms by which TALEs control OsWRKY transcription factors (TFs) remain poorly understood. In this study, we show that two TALEs from <i>Xanthomonas oryzae</i> pv. <i>oryzae</i> (<i>Xoo</i>) individually modulate two OsWRKY TFs, resulting in increased susceptibility and reduced host defense. Specifically, Xoo1219 and Xoo2145 activate the expression of <i>OsWRKY104</i> and <i>OsWRKY55</i>, respectively, through direct interactions. OsWRKY104 increases the susceptibility to <i>Xoo</i> by activating <i>OsSWEET11</i> and <i>OsSWEET14</i>, while OsWRKY55 suppresses host defense against <i>Xoo</i> by directly regulating <i>OsWRKY62</i>. These findings suggest that TALEs hijack the host's OsWRKY TFs to create a favorable environment for bacterial survival.</p>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 8","pages":"2198-2213"},"PeriodicalIF":9.3,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jipb.13940","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144155434","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
Jasmonate activates a SlJAZ2/3-SlMYC3-like module regulating K+ uptake in tomato response to low K+ stress 茉莉酸激活sljaz2 /3- slmyc3样模块,调节番茄对低钾胁迫的钾吸收。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-05-28 DOI: 10.1111/jipb.13941
Xi Wang, Junfeng Luo, Qihui Wang, Qiongqiong Zhang, Tianying Zhao, Yufeng Liu, Tianlai Li, Xin Liu, Jing Jiang
{"title":"Jasmonate activates a SlJAZ2/3-SlMYC3-like module regulating K+ uptake in tomato response to low K+ stress","authors":"Xi Wang,&nbsp;Junfeng Luo,&nbsp;Qihui Wang,&nbsp;Qiongqiong Zhang,&nbsp;Tianying Zhao,&nbsp;Yufeng Liu,&nbsp;Tianlai Li,&nbsp;Xin Liu,&nbsp;Jing Jiang","doi":"10.1111/jipb.13941","DOIUrl":"10.1111/jipb.13941","url":null,"abstract":"<div>\u0000 \u0000 <p>Potassium (K<sup>+</sup>), an essential macronutrient, strongly influences myriad fundamental processes, while its deficiency inhibits plant growth. Jasmonic acid (JA) regulates plant growth; however, its role in plant growth inhibition under K<sup>+</sup> deficiency remains nebulous. Herein, we determined that JA significantly inhibits low K<sup>+</sup> tolerance and K<sup>+</sup> uptake in tomato. Methyl jasmonate treatment induced the expression of <i>SlMYC3-like</i> under low K<sup>+</sup> stress, which bound the promoters of the genes that encode KT/KUP/HAK-type transporter (<i>SlHAK5</i>) and voltage-gated K<sup>+</sup> channel (<i>SlLKT1</i>) and inhibited their expression. Knockdown of <i>SlMYC3-like</i> enhanced low K<sup>+</sup> stress tolerance and decreased JA responses, while its overexpression led to low K<sup>+</sup> stress sensitivity and promoted jasmonate responses in tomato. In addition, jasmonate ZIM-domain transcriptional repressor 2/3 (SlJAZ2/3) interacted with SlMYC3-like; this interaction decreased DNA-binding activity of SlMYC3-like. SlMYC3-like promoted <i>SlJAZ2</i>/<i>3</i> expression, forming a negative feedback circuit in JA signaling. Silencing <i>SlJAZ2/3</i> increased plant susceptibility to low K<sup>+</sup> stress. Our findings demonstrate the involvement of the JA–SlJAZ2/3–SlMYC3-like module in K<sup>+</sup> uptake and plant growth in tomato under low K<sup>+</sup> stress, providing novel insights into the regulation of plant growth and K<sup>+</sup> uptake.</p></div>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 8","pages":"2058-2077"},"PeriodicalIF":9.3,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144155431","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
Precise modulation of bioactive gibberellin homeostasis: A promising strategy for enhancing abiotic stress tolerance 精确调节生物活性赤霉素稳态:提高非生物胁迫耐受性的一个有前途的策略。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-05-28 DOI: 10.1111/jipb.13942
Jiaqi Tang, Guilong Zhao, Xiaojie Tian, Qingyun Bu, Weiqiang Li
{"title":"Precise modulation of bioactive gibberellin homeostasis: A promising strategy for enhancing abiotic stress tolerance","authors":"Jiaqi Tang,&nbsp;Guilong Zhao,&nbsp;Xiaojie Tian,&nbsp;Qingyun Bu,&nbsp;Weiqiang Li","doi":"10.1111/jipb.13942","DOIUrl":"10.1111/jipb.13942","url":null,"abstract":"<p>This commentary discusses studies identifying three elite loci, <i>ATT2, wrky53</i> and <i>CTB5</i>, which enhance abiotic stress tolerance and maximize grain yield under challenging environmental conditions by modulating gibberellin content. These loci could be valuable tools for developing new varieties for agricultural sustainability.\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 9","pages":"2247-2249"},"PeriodicalIF":9.3,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jipb.13942","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144155432","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
A copy number variation in the ZmMADS1 promoter enhances maize adaptation to high altitudes ZmMADS1启动子的拷贝数变异增强了玉米对高海拔的适应性。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-05-28 DOI: 10.1111/jipb.13924
Xu Han, Jianing Li, Dan Li, Li Guo, Lishuan Wu, Yameng Liang, Hong Jia, Jinliang Xia, Congying Qin, Wenchao Qin, Qiuyue Chen, Dezhi Deng, Chenglong Wang, Feng Tian
{"title":"A copy number variation in the ZmMADS1 promoter enhances maize adaptation to high altitudes","authors":"Xu Han,&nbsp;Jianing Li,&nbsp;Dan Li,&nbsp;Li Guo,&nbsp;Lishuan Wu,&nbsp;Yameng Liang,&nbsp;Hong Jia,&nbsp;Jinliang Xia,&nbsp;Congying Qin,&nbsp;Wenchao Qin,&nbsp;Qiuyue Chen,&nbsp;Dezhi Deng,&nbsp;Chenglong Wang,&nbsp;Feng Tian","doi":"10.1111/jipb.13924","DOIUrl":"10.1111/jipb.13924","url":null,"abstract":"<p>A 178-bp copy number variation in the <i>ZmMADS1</i> promoter represses <i>ZmMADS1</i> expression and results in delayed flowering, which has been a target of selection during maize spread into higher altitudes. ZmMADS1 promotes maize flowering via the autonomous pathway by directly activating the expression of <i>ZmMADS69</i> and <i>ZCN8</i>, while repressing <i>ZmRap2.7</i>.\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 8","pages":"1994-1996"},"PeriodicalIF":9.3,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jipb.13924","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144155429","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
Cystatin-mediated enhancement of human epidermal growth factor bioproduction in plants 半胱抑素介导的植物中人表皮生长因子生物生产的增强。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-05-28 DOI: 10.1111/jipb.13936
Hyun Ji Park, Seung Hee Jo, Hyoenseo Park, Haemyeong Jung, Suk-Yoon Kwon, Hyun-Soon Kim, Sang Jik Kim, Hye Sun Cho
{"title":"Cystatin-mediated enhancement of human epidermal growth factor bioproduction in plants","authors":"Hyun Ji Park,&nbsp;Seung Hee Jo,&nbsp;Hyoenseo Park,&nbsp;Haemyeong Jung,&nbsp;Suk-Yoon Kwon,&nbsp;Hyun-Soon Kim,&nbsp;Sang Jik Kim,&nbsp;Hye Sun Cho","doi":"10.1111/jipb.13936","DOIUrl":"10.1111/jipb.13936","url":null,"abstract":"<p>Human epidermal growth factor (EGF) fused with the protease inhibitor SlCYS8 and produced in plants showed enhanced stability, yield, and biological activity. This fusion strategy reduced degradation and outperformed commercial EGF in cell-based assays, demonstrating a promising approach for producing stable, functional proteins in plant systems for pharmaceutical applications.\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 9","pages":"2256-2258"},"PeriodicalIF":9.3,"publicationDate":"2025-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jipb.13936","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144155430","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
Real-time monitoring of subcellular H2O2 dynamics by genetically encoded probe roGFP2-PRXIIB 利用基因编码探针roGFP2-PRXIIB实时监测亚细胞H2O2动态。
IF 9.3 1区 生物学
Journal of Integrative Plant Biology Pub Date : 2025-05-23 DOI: 10.1111/jipb.13938
Man Hu, Yu Liang, Jiang-Guo Meng, Kangmin He, Wei-Cai Yang, Guozhi Bi, Jian-Min Zhou
{"title":"Real-time monitoring of subcellular H2O2 dynamics by genetically encoded probe roGFP2-PRXIIB","authors":"Man Hu,&nbsp;Yu Liang,&nbsp;Jiang-Guo Meng,&nbsp;Kangmin He,&nbsp;Wei-Cai Yang,&nbsp;Guozhi Bi,&nbsp;Jian-Min Zhou","doi":"10.1111/jipb.13938","DOIUrl":"10.1111/jipb.13938","url":null,"abstract":"<div>\u0000 \u0000 <p>In plants, genetically encoded probes based on redox-sensitive green fluorescent protein (roGFP) have been used to detect hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) levels by fusing exogenous thiol peroxidases, such as Orp1 and Tsa2. However, the effectiveness of these thiol peroxidases compared to endogenous ones remains unexplored. Here, we develop a H<sub>2</sub>O<sub>2</sub> probe by fusing roGFP2 to an endogenous H<sub>2</sub>O<sub>2</sub> sensor, type II peroxiredoxin (PRXIIB), which displayed enhanced responsiveness and conversion kinetics compared to roGFP2-Orp1 <i>in vitro</i> and superior sensitivity to H<sub>2</sub>O<sub>2</sub> <i>in vivo</i>. The roGFP2-PRXIIB probe allowed robust visualization of H<sub>2</sub>O<sub>2</sub> production in abiotic and biotic stresses, and growing pollen tubes. We further targeted roGFP2-PRXIIB to cytosol, nuclei, mitochondria and chloroplasts to monitor H<sub>2</sub>O<sub>2</sub> accumulation in real time in different subcellular compartments during immune activation, and the analyses revealed different temporal patterns of H<sub>2</sub>O<sub>2</sub> accumulation during pattern- and effector-triggered immune responses in different compartments. Taken together, the work provides an ultra-sensitive probe for H<sub>2</sub>O<sub>2</sub> dynamics in diverse plant biological processes.</p></div>","PeriodicalId":195,"journal":{"name":"Journal of Integrative Plant Biology","volume":"67 8","pages":"2044-2057"},"PeriodicalIF":9.3,"publicationDate":"2025-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144126152","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
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