Molecular Plant最新文献_第3页

An SAPK10-RISBZ1-ABT axis promotes endosperm-to-embryo ABA transport to enhance pre-harvest sprouting tolerance in rice SAPK10-RISBZ1-ABT轴促进胚乳到胚ABA运输，提高水稻收获前发芽耐受性

IF 27.5 1区生物学

Molecular Plant Pub Date : 2026-10-01 DOI: 10.1016/j.molp.2026.09.017

Guanghao Li,Yifeng Wang,Zhiyong Li,Babatunde Kazeem Bello,Delong Fan,Nan Lu,Yaqi Su,Xinyong Liu,Xixi Liu,Wanning Liu,Jia Li,Jiezheng Ying,Xiaohong Tong,Jie Huang,Yu Cheng,Yuxuan Hou,Guangheng Zhang,Yangjun Zhang,Kun Zhou,Xiaoshan Zeng,Jun Fang,Xianjun Song,Jian Zhang

引用次数: 0

Sensing water excess: COSR channels mediate hypoosmotic Ca2+ signaling in plants 感知水分过剩：COSR通道介导植物低渗Ca2+信号

IF 27.5 1区生物学

Molecular Plant Pub Date : 2026-10-01 DOI: 10.1016/j.molp.2026.09.015

Matteo Grenzi,Yang Zhao,Alex Costa

引用次数: 0

The homoeolog-resolved assembly of the 40-Gb decaploid Thinopyrum ponticum genome reveals extensive homoeologous exchange and recombination, segmental allopolyploid organization, and allelic variations for wheat improvement. 通过对40 gb十倍体ponticum基因组的同源解析组装，揭示了小麦改良中广泛的同源交换和重组、片段异源多倍体组织和等位基因变异。

IF 32.7 1区生物学

Molecular Plant Pub Date : 2026-09-30 DOI: 10.1016/j.molp.2026.09.014

Pingchuan Deng, Jingzhong Xie, Xuanzhao Li, Xiangqian Chen, He Dai, Zhengbao Xia, Jingli Fan, Yanzhen Wang, Tingdong Li, Qiaoling Luo, Chunhuan Chen, Jixin Zhao, Changyou Wang, Xinlun Liu, Xue Shi, Liang Wu, Xiaojun Nie, Qi Zheng, Zhensheng Li, Eduard Akhunov, Fei He, Wanquan Ji

{"title":"The homoeolog-resolved assembly of the 40-Gb decaploid Thinopyrum ponticum genome reveals extensive homoeologous exchange and recombination, segmental allopolyploid organization, and allelic variations for wheat improvement.","authors":"Pingchuan Deng, Jingzhong Xie, Xuanzhao Li, Xiangqian Chen, He Dai, Zhengbao Xia, Jingli Fan, Yanzhen Wang, Tingdong Li, Qiaoling Luo, Chunhuan Chen, Jixin Zhao, Changyou Wang, Xinlun Liu, Xue Shi, Liang Wu, Xiaojun Nie, Qi Zheng, Zhensheng Li, Eduard Akhunov, Fei He, Wanquan Ji","doi":"10.1016/j.molp.2026.09.014","DOIUrl":"https://doi.org/10.1016/j.molp.2026.09.014","url":null,"abstract":"The decaploid grass Thinopyrum ponticum (Th. ponticum, 2n = 10x = 70) is valuable for improving wheat resilience to biotic and abiotic stressors. However, the high level of ploidy and repetitive nature of its large genome present challenges for genome assembly. We used long-read sequencing and an iterative reassembly strategy to overcome partial haplotype collapse and generate a homoeolog-resolved 41.33-Gb decaploid genome assembly for this grass. Combined comparative genomic, phylogenetic, and k-mer analyses resolved its diploid ancestral origins. Genome-wide recombination-based evidence, corroborated by gametophytic genomic and multiple cytological analyses, further revealed extensive homoeologous exchange consistent with a segmental allopolyploid organization. Annotation of this assembly recovered 577,421 high-confidence genes, the largest gene repertoire reported among Triticeae genomes, including a 22-copy Fhb7 tandem gene cluster distributed across five chromosomes. A wheat-Th. ponticum introgression panel of 348 lines catalogued the beneficial allelic diversity captured in a long-term breeding program, revealing candidate regulators of blue aleurone and identifying an expanded Fhb7 gene cluster as a transferable Fusarium head blight resistance resource. These results provide insights into the structural basis of segmental allopolyploid genome stabilization and offer both a framework and extensive resources to study the basic mechanisms of hybrid introgression and recombination in polyploids.","PeriodicalId":19012,"journal":{"name":"Molecular Plant","volume":" ","pages":""},"PeriodicalIF":32.7,"publicationDate":"2026-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149112305","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

Two purine permeases import vinblastine biosynthetic intermediates into idioblast cells in Catharanthus roseus 两种嘌呤透孔将长春花碱生物合成中间体导入花楸异母细胞

IF 27.5 1区生物学

Molecular Plant Pub Date : 2026-09-28 DOI: 10.1016/j.molp.2026.09.013

Ling Chuang,Moonyoung Kang,Yoko Nakamura,Klaus Gase,Sarah Heinicke,Veit Grabe,Song Wu,Zeinu Mussa Belew,Hussam Hassan Nour-Eldin,Lorenzo Caputi,Sarah E. O’Connor

引用次数: 0

The CsWRKY3-CsHB7 transcriptional cascade promotes temperature-responsive peel pigmentation via CsCCD4b-mediated β-citraurin biosynthesis in citrus. CsWRKY3-CsHB7转录级联通过csccd4b介导的柑橘β-citraurin生物合成促进温度响应性果皮色素沉着。

IF 32.7 1区生物学

Molecular Plant Pub Date : 2026-09-25 DOI: 10.1016/j.molp.2026.09.007

Ranran Wei, Ang Fu, Yu Fang, Quan Sun, Zhijing Mo, Pengtao Yue, Ying Liang, Zongzhou Xie, Lijun Chai, Junli Ye, Xiuxin Deng

引用次数: 0

A non-canonical DWARF3–OsCOX11-mediated mitochondrial ROS homeostasis pathway acts in parallel with core strigolactone signaling to promote rice blast resistance 一个非规范的dwarf3 - oscox11介导的线粒体ROS稳态途径与核心的独角麦内酯信号传导平行作用，促进水稻稻瘟病抗性

IF 27.5 1区生物学

Molecular Plant Pub Date : 2026-09-23 DOI: 10.1016/j.molp.2026.09.012

Weijun Cui,Xuming Wang,Xiuli Liu,Hongjia Liu,Yuwen Lu,Fei Yan,Keke Yi,Jianping Chen,Jie Zhou

{"title":"A non-canonical DWARF3–OsCOX11-mediated mitochondrial ROS homeostasis pathway acts in parallel with core strigolactone signaling to promote rice blast resistance","authors":"Weijun Cui,Xuming Wang,Xiuli Liu,Hongjia Liu,Yuwen Lu,Fei Yan,Keke Yi,Jianping Chen,Jie Zhou","doi":"10.1016/j.molp.2026.09.012","DOIUrl":"https://doi.org/10.1016/j.molp.2026.09.012","url":null,"abstract":"Strigolactones (SLs) are a class of plant hormones with multifaceted roles in rice (Oryza sativa L.) growth and development. The F-box protein DWARF3 (D3) is a core component of the SL signalling pathway, coupling SL perception to the downstream responses. However, whether D3 also contributes to rice immunity and how it functions in this process remain unclear. Here, we analysed D3 allelic mutants carrying deletions in F-box- or C-terminal helix (CTH) domains. These mutants exhibited increased susceptibility to Magnaporthe oryzae, and differentially affected the expression of PHENYLALANINE AMMONIA LYASE genes and lignin accumulation, indicating that this canonical SL-regulated pathway contributes to, but does not fully account for, D3-mediated blast resistance. Yeast two-hybrid screening identified OsCOX11, a cytochrome c oxidase (COX) assembly factor, as a D3-interacting protein. D3 promotes the ubiquitination and degradation of OsCOX11, thereby modulating mitochondrial function and reactive oxygen species (ROS) accumulation during immune responses. Loss of D3 function resulted in increased COX activity, aberrant mitochondrial morphology, and compromised elicitor-induced ROS burst, particularly in the CTH-truncated line. Notably, rac-GR24 activated canonical SL signalling but did not measurably alter the D3–OsCOX11 interaction, OsCOX11 abundance, or COX activity under the tested conditions. Together, our findings identify a D3–OsCOX11 mitochondrial branch that operates in parallel with core D3–DWARF53 signalling and contributes to rice blast resistance.","PeriodicalId":19012,"journal":{"name":"Molecular Plant","volume":"47 1","pages":""},"PeriodicalIF":27.5,"publicationDate":"2026-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149019703","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

Structural Evolution of LEAFY Reveals DNA-Mediated Cooperativity and Dimerization Shifts at the Water-to-Land Transition 叶类植物的结构进化揭示了水-陆过渡中dna介导的协同性和二聚化转移

IF 27.5 1区生物学

Molecular Plant Pub Date : 2026-09-23 DOI: 10.1016/j.molp.2026.09.009

Leonie Verhage,Emmanuel Thévenon,Hicham Chahtane,Alice Jegou,Loïc Grandvuillemin,Max H. Nanao,Renaud Dumas,Chloe Zubieta,François Parcy

{"title":"Structural Evolution of LEAFY Reveals DNA-Mediated Cooperativity and Dimerization Shifts at the Water-to-Land Transition","authors":"Leonie Verhage,Emmanuel Thévenon,Hicham Chahtane,Alice Jegou,Loïc Grandvuillemin,Max H. Nanao,Renaud Dumas,Chloe Zubieta,François Parcy","doi":"10.1016/j.molp.2026.09.009","DOIUrl":"https://doi.org/10.1016/j.molp.2026.09.009","url":null,"abstract":"The evolution of transcription factor (TF) DNA-binding specificity is a major driver of gene regulatory innovation. Unlike most TFs, which diversify through gene duplication and neofunctionalization, the plant-specific LEAFY (LFY) TF evolved novel binding specificities without extensive duplication. Here, we combine experimental structural determination and biochemical assays to reveal how LFY’s dimerization and DNA-binding preferences shifted during the water-to-land transition. We present crystal structures of the LFY DNA-binding domain (DBD) from the hornwort Nothoceros aenigmaticus and the alga Interfilum paradoxum bound to DNA, demonstrating two distinct dimerization mechanisms: one mediated by direct protein-protein interactions and another driven by DNA-mediated cooperativity. In the ancestral state, LFY likely bound DNA as a dimer through DNA-mediated cooperativity, with protein-protein dimerization emerging later, enforcing new DNA-binding preferences. Our findings support a revised evolutionary scenario for LFY, highlighting the dynamic interplay between protein-DNA and protein-protein interactions as key drivers of TF binding specificity. This work deepens our understanding of how structural adaptations in TFs underpin evolutionary transitions in gene regulation.","PeriodicalId":19012,"journal":{"name":"Molecular Plant","volume":"5 1","pages":""},"PeriodicalIF":27.5,"publicationDate":"2026-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149019727","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

Receptor-Like Kinase ZmRLK9 Functions as an Upstream ABA Signaling Factor Conferring Drought Resilience in Maize. 受体样激酶ZmRLK9作为上游ABA信号因子赋予玉米抗旱性

IF 32.7 1区生物学

Molecular Plant Pub Date : 2026-09-23 DOI: 10.1016/j.molp.2026.09.010

Haohao Wu, Zilong Zhang, Shiping Yang, Qin Huang, Shuqing Ye, Ning Qin, Bochen Zhao, Yijie Wang, Ziyang Wang, Jiafan He, Mengyuan Wang, Ying Xiao, Zhirui Yang, Shengxue Liu, Feng Qin

{"title":"Receptor-Like Kinase ZmRLK9 Functions as an Upstream ABA Signaling Factor Conferring Drought Resilience in Maize.","authors":"Haohao Wu, Zilong Zhang, Shiping Yang, Qin Huang, Shuqing Ye, Ning Qin, Bochen Zhao, Yijie Wang, Ziyang Wang, Jiafan He, Mengyuan Wang, Ying Xiao, Zhirui Yang, Shengxue Liu, Feng Qin","doi":"10.1016/j.molp.2026.09.010","DOIUrl":"https://doi.org/10.1016/j.molp.2026.09.010","url":null,"abstract":"The phytohormone abscisic acid (ABA) plays a pivotal role in plant drought responses. Although a substantial amount of research has concentrated on intracellular ABA receptors and SnRK2 protein kinases as the central signaling components, how the extracellular ABA signal is transduced to this core pathway remains largely unknown. Here, through a genome-wide association study mapping drought resistance in maize at the flowering stage, we identify a 4,052-bp hAT transposon insertion upstream of a leucine-rich repeat receptor-like kinase gene, named ZmRLK9, that suppresses gene expression and compromises drought resilience. ZmRLK9 functions as a plasma membrane-localized receptor kinase that transduces the extracellular ABA signal to the core ABA pathway. Upon ABA treatment, ZmRLK9 phosphorylates and promotes the degradation of an F-box protein, ZmFBP1, thereby stabilizing the core ABA signaling kinases ZmSnRK2.9 and ZmSnRK2.10. Enhancing ZmRLK9 expression or knocking out ZmFBP1 significantly enhances drought resistance in maize at both seedling and flowering stages and increases grain yield under drought conditions in the field. Collectively, our findings reveal a previously unrecognized regulatory module that operates upstream of the core ABA signaling pathway and highlight ZmRLK9 and ZmFBP1 as promising genetic targets for breeding crops with enhanced drought resilience.","PeriodicalId":19012,"journal":{"name":"Molecular Plant","volume":" ","pages":""},"PeriodicalIF":32.7,"publicationDate":"2026-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149025652","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

From DNA to RNA to protein: pQTL mapping and Proteome-Wide Association Study reveal protein-level drivers of soybean traits 从DNA到RNA再到蛋白质：pQTL定位和蛋白质组关联研究揭示了大豆性状的蛋白质水平驱动因素

IF 27.5 1区生物学

Molecular Plant Pub Date : 2026-09-22 DOI: 10.1016/j.molp.2026.09.011

Delin Li,Zhan Li,Shiyu Guo,Qi Wang,Xinkang Feng,Hao Zhang,James C. Schnable,Ying-Hui Li,Li-Juan Qiu

引用次数: 0

Nanocarrier-mediated transient reprogramming as a promising strategy for enhancing crop stress resilience 纳米载体介导的瞬时重编程是提高作物抗逆性的一种有前景的策略

IF 27.5 1区生物学

Molecular Plant Pub Date : 2026-09-22 DOI: 10.1016/j.molp.2026.09.008

Wangshan Lu,Yule Ye,Chao Wang,Gan Ai,Daolong Dou

引用次数: 0