New Phytologist最新文献

{"title":"Battle of the bugs: how an oomycete pathogen shapes the microbiota of its host","authors":"Hanna Rovenich,&nbsp;Bart P. H. J. Thomma","doi":"10.1111/nph.19133","DOIUrl":"https://doi.org/10.1111/nph.19133","url":null,"abstract":"<p>Plants harbor a complex community of prokaryotic and eukaryotic microbes in their above- and belowground tissues, collectively referred to as their ‘microbiota’, that plays a central role in their well-being by promoting growth, health, and resilience (Gross, <span>2022</span>). Moreover, during pathogen attack, plants actively attract microbes into their microbiota from the surrounding environment that can mitigate disease either by directly antagonizing the pathogen, or through stimulation of plant immune responses (Teixeira <i>et al</i>., <span>2019</span>). In addition to host-plant genetics and environmental cues, intermicrobial interactions greatly influence microbiota compositions (Singh <i>et al</i>., <span>2023</span>). In an article published in this issue of <i>New Phytologist</i>, Gómez-Pérez <i>et al</i>. (<span>2023</span>, 2320–2334) describe the investigation of molecular mechanisms underlying intermicrobial interactions between a pathogenic oomycete and its host-plant microbiota (Gómez-Pérez <i>et al</i>., <span>2023</span>). Using a novel approach, the authors show that oomycete pathogens release proteins with selective antimicrobial activity to restructure host microbial communities to promote host colonization (Fig. 1).</p><p>Oomycetes are filamentous eukaryotes that belong to the Stramenopiles lineage and are closely related to diatoms and brown algae. Some of the most devastating plant and animal pathogens are oomycetes, and these organisms cause significant economic losses and represent major threats to global food security and ecosystem stability. As with plant-associated fungi, the symbiotic relationships between plants and pathogenic oomycetes have mostly been studied in binary interactions, involving oomycetes with particular plant hosts. These studies identify many oomycete effectors that target plant regulatory networks to facilitate host colonization (Wang <i>et al</i>., <span>2019</span>). However, they ignore the host-associated microbiota. Such oomycete effectors fit the ‘traditional’ definition as pathogen-specific small, cysteine-rich proteins that are secreted <i>in planta</i> to suppress host immunity. However, this dogma has been challenged by findings that effectors are also secreted by mutualistic, endophytic, and even saprophytic fungi, suggesting that they are better described as molecules that are secreted by microbes to beneficially manipulate their direct environment (Snelders <i>et al</i>., <span>2022</span>). Taken together with the intimate association between plants and their microbiota, and the importance of the microbiota for plant health, this broader definition of effectors has led to the hypothesis that pathogens have evolved to target host-associated microbiota, in addition to the endogenous immune system of the host, using effectors to facilitate disease establishment (Snelders <i>et al</i>., <span>2018</span>). Indeed, several fungal pathogens were recently shown to secrete effectors wit","PeriodicalId":48887,"journal":{"name":"New Phytologist","volume":"239 6","pages":"2064-2066"},"PeriodicalIF":9.4,"publicationDate":"2023-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/nph.19133","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"5794162","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}

{"title":"The Arabidopsis eIF4E1 regulates NRT1.1-mediated nitrate signaling at both translational and transcriptional levels","authors":"Na Li,&nbsp;Yawen Duan,&nbsp;Qing Ye,&nbsp;Yuhan Ma,&nbsp;Rongjie Ma,&nbsp;Lufei Zhao,&nbsp;Sirui Zhu,&nbsp;Feng Yu,&nbsp;Shengdong Qi,&nbsp;Yong Wang","doi":"10.1111/nph.19129","DOIUrl":"https://doi.org/10.1111/nph.19129","url":null,"abstract":"<div>\u0000 \u0000 <p>\u0000 </p><ul>\u0000 \u0000 <li>Identifying new nitrate regulatory genes and illustrating their mechanisms in modulating nitrate signaling are of great significance for achieving the high yield and nitrogen use efficiency (NUE) of crops.</li>\u0000 \u0000 <li>Here, we screened a mutant with defects in nitrate response and mapped the mutation to the gene <i>eIF4E1</i> in <i>Arabidopsis</i>. Our results showed that <i>eIF4E1</i> regulated nitrate signaling and metabolism. Ribo-seq and polysome profiling analysis revealed that eIF4E1 modulated the amount of some nitrogen (N)-related mRNAs being translated, especially the mRNA of <i>NRT1</i>.<i>1</i> was reduced in the <i>eif4e1</i> mutant.</li>\u0000 \u0000 <li>RNA-Seq results enriched some N-related genes, supporting that <i>eIF4E1</i> is involved in nitrate regulation. The genetic analysis indicated that <i>eIF4E1</i> worked upstream of <i>NRT1</i>.<i>1</i> in nitrate signaling. In addition, an eIF4E1-interacting protein GEMIN2 was identified and found to be involved in nitrate signaling. Further investigation showed that overexpression of <i>eIF4E1</i> promoted plant growth and enhanced yield and NUE.</li>\u0000 \u0000 <li>These results demonstrate that <i>eIF4E1</i> regulates nitrate signaling by modulating <i>NRT1</i>.<i>1</i> at both translational and transcriptional levels, laying the foundation for future research on the regulation of mineral nutrition at the translational level.</li>\u0000 </ul>\u0000 </div>","PeriodicalId":48887,"journal":{"name":"New Phytologist","volume":"240 1","pages":"338-353"},"PeriodicalIF":9.4,"publicationDate":"2023-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"6226342","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}

{"title":"Alternative splicing of TaHSFA6e modulates heat shock protein–mediated translational regulation in response to heat stress in wheat","authors":"Jingjing Wen,&nbsp;Zhen Qin,&nbsp;Lv Sun,&nbsp;Yumei Zhang,&nbsp;Dongli Wang,&nbsp;Huiru Peng,&nbsp;Yingyin Yao,&nbsp;Zhaorong Hu,&nbsp;Zhongfu Ni,&nbsp;Qixin Sun,&nbsp;Mingming Xin","doi":"10.1111/nph.19100","DOIUrl":"https://doi.org/10.1111/nph.19100","url":null,"abstract":"<p>\u0000 </p>","PeriodicalId":48887,"journal":{"name":"New Phytologist","volume":"239 6","pages":"2235-2247"},"PeriodicalIF":9.4,"publicationDate":"2023-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/nph.19100","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"5968442","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}

{"title":"Transcriptome features of stone cell development in weevil-resistant and susceptible Sitka spruce","authors":"Justin G. A. Whitehill,&nbsp;Macaire M. S. Yuen,&nbsp;Angela Chiang,&nbsp;Carol E. Ritland,&nbsp;J?rg Bohlmann","doi":"10.1111/nph.19103","DOIUrl":"https://doi.org/10.1111/nph.19103","url":null,"abstract":"<p>\u0000 </p>","PeriodicalId":48887,"journal":{"name":"New Phytologist","volume":"239 6","pages":"2138-2152"},"PeriodicalIF":9.4,"publicationDate":"2023-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/nph.19103","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"6086337","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}

{"title":"Diversification of JAZ-MYC signaling function in immune metabolism","authors":"Leah Y. D. Johnson,&nbsp;Ian T. Major,&nbsp;Yani Chen,&nbsp;Changxian Yang,&nbsp;Leidy J. Vanegas-Cano,&nbsp;Gregg A. Howe","doi":"10.1111/nph.19114","DOIUrl":"https://doi.org/10.1111/nph.19114","url":null,"abstract":"<p>\u0000 </p>","PeriodicalId":48887,"journal":{"name":"New Phytologist","volume":"239 6","pages":"2277-2291"},"PeriodicalIF":9.4,"publicationDate":"2023-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/nph.19114","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"6119814","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}

{"title":"The RHW1-ZCN4 regulatory pathway confers natural variation of husk leaf width in maize","authors":"Aiai Xia,&nbsp;Leiming Zheng,&nbsp;Zi Wang,&nbsp;Qi Wang,&nbsp;Ming Lu,&nbsp;Zhenhai Cui,&nbsp;Yan He","doi":"10.1111/nph.19116","DOIUrl":"https://doi.org/10.1111/nph.19116","url":null,"abstract":"<div>\u0000 \u0000 <p>\u0000 </p><ul>\u0000 \u0000 <li>Maize husk leaf – the outer leafy layers covering the ear – modulates kernel yield and quality. Despite its importance, however, the genetic controls underlying husk leaf development remain elusive.</li>\u0000 \u0000 <li>Our previous genome-wide association study identified a single nucleotide polymorphism located in the gene <i>RHW1</i> (<i>Regulator of Husk leaf Width</i>) that is significantly associated with husk leaf-width diversity in maize. Here, we further demonstrate that a polymorphic 18-bp InDel (insertion/deletion) variant in the 3′ untranslated region of <i>RHW1</i> alters its protein abundance and accounts for husk leaf width variation.</li>\u0000 \u0000 <li><i>RHW1</i> encodes a putative MYB-like transcriptional repressor. Disruption of <i>RHW1</i> altered cell proliferation and resulted in a narrower husk leaf, whereas <i>RHW1</i> overexpression yielded a wider husk leaf. <i>RHW1</i> positively regulated the expression of <i>ZCN4</i>, a well-known TFL1-like protein involved in maize ear development. Dysfunction of <i>ZCN4</i> reduced husk leaf width even in the context of <i>RHW1</i> overexpression. The InDel variant in <i>RHW1</i> is subject to selection and is associated with maize husk leaf adaption from tropical to temperate regions.</li>\u0000 \u0000 <li>Overall, our results identify that <i>RHW1</i>-<i>ZCN4</i> regulates a pathway conferring husk leaf width variation at a very early stage of husk leaf development in maize.</li>\u0000 </ul>\u0000 </div>","PeriodicalId":48887,"journal":{"name":"New Phytologist","volume":"239 6","pages":"2367-2381"},"PeriodicalIF":9.4,"publicationDate":"2023-07-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"6086336","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}

{"title":"Rapid evolution of a family-diagnostic trait: artificial selection and correlated responses in wild radish, Raphanus raphanistrum","authors":"Jeffrey K. Conner,&nbsp;Ousseini Issaka Salia,&nbsp;Zhi-Gang Zhao,&nbsp;Frances Knapczyk,&nbsp;Heather Sahli,&nbsp;Vanessa A. Koelling,&nbsp;Keith Karoly","doi":"10.1111/nph.19125","DOIUrl":"https://doi.org/10.1111/nph.19125","url":null,"abstract":"<p>\u0000 </p>","PeriodicalId":48887,"journal":{"name":"New Phytologist","volume":"239 6","pages":"2382-2388"},"PeriodicalIF":9.4,"publicationDate":"2023-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/nph.19125","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"6043470","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}

{"title":"Telomerase RNA gene paralogs in plants – the usual pathway to unusual telomeres","authors":"Michal Závodník,&nbsp;Petr Fajkus,&nbsp;Michal Franek,&nbsp;David Kopecky,&nbsp;Sònia Garcia,&nbsp;Steven Dodsworth,&nbsp;Andrés Orejuela,&nbsp;Agata Kilar,&nbsp;Ji?í Ptá?ek,&nbsp;Martin Mátl,&nbsp;Anna Hysková,&nbsp;Ji?í Fajkus,&nbsp;Vratislav Pe?ka","doi":"10.1111/nph.19110","DOIUrl":"https://doi.org/10.1111/nph.19110","url":null,"abstract":"<p>\u0000 </p>","PeriodicalId":48887,"journal":{"name":"New Phytologist","volume":"239 6","pages":"2353-2366"},"PeriodicalIF":9.4,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/nph.19110","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"6111095","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}

{"title":"GmFLS2 contributes to soybean resistance to Ralstonia solanacearum","authors":"Yujiao Chen,&nbsp;Achen Zhao,&nbsp;Yali Wei,&nbsp;Yanfei Mao,&nbsp;Jian-Kang Zhu,&nbsp;Alberto P. Macho","doi":"10.1111/nph.19111","DOIUrl":"https://doi.org/10.1111/nph.19111","url":null,"abstract":"<p>Bacterial strains within the <i>Ralstonia solanacearum</i> species complex (RSSC) are collectively able to cause disease in &gt; 250 plant species from &gt; 50 families (Denny, <span>2006</span>) and have been recently divided into three species (Safni <i>et al</i>., <span>2014</span>; Prior <i>et al</i>., <span>2016</span>): <i>R. solanacearum</i>, <i>R. pseudosolanacearum</i>, and <i>R. syzygii</i>. Most <i>Ralstonia</i> strains are soilborne and penetrate plants through the roots, although some <i>R. syzygii</i> exceptions can be transmitted by insects (Denny, <span>2006</span>). Upon plant invasion, <i>Ralstonia</i> colonizes plant xylem vessels and multiplies massively, causing a reduction in growth and yield, wilting, and, ultimately, death (Denny, <span>2006</span>; Xue <i>et al</i>., <span>2020</span>). The collapse of a diseased plant, which can host &gt; 10⁸ colony-forming units (CFU) per gram of tissue, constitutes a re-inoculation of bacteria into nearby soil, where <i>Ralstonia</i> can survive for years. <i>Ralstonia</i> can then be transmitted by water or other means to other host plants, which can be invaded through natural root openings or directly through wounds caused by other organisms or agricultural practices, such as the use of contaminated tools (Denny, <span>2006</span>). Strains within the RSSC are the causal agents of devastating diseases in a broad range of economically important crop plants, such as bacterial wilt disease in diverse Solanaceae plants (such as tomato, eggplant, or pepper), brown rot (a.k.a. bacterial wilt) disease in potato, or Moko/blood disease in banana and plantain (Denny, <span>2006</span>). Due to its persistence, lethality, world-wide distribution, and wide host range, <i>Ralstonia</i> is considered one of the most destructive plant pathogens and a serious threat to food security.</p><p>The first layer of pathogen perception by plant cells relies on the detection of highly conserved microbial molecules, termed pathogen-associated molecular patterns (PAMPs) by plasma membrane-localized pattern recognition receptors (PRRs; Boutrot &amp; Zipfel, <span>2017</span>). PRR activation leads to subsequent signaling events and immune responses, ultimately causing PAMP-triggered (or PRR-mediated) immunity (PTI). The biotechnological use of PRRs to engineer plant disease resistance is an emerging approach to fight against plant disease in a wide variety of crop plants and is therefore a promising strategy to contribute to food security world-wide (Lacombe <i>et al</i>., <span>2010</span>; Mendes <i>et al</i>., <span>2010</span>; Afroz <i>et al</i>., <span>2011</span>; Bouwmeester <i>et al</i>., <span>2014</span>; Tripathi <i>et al</i>., <span>2014</span>; Albert <i>et al</i>., <span>2015</span>; Du <i>et al</i>., <span>2015</span>; Lu <i>et al</i>., <span>2015</span>; Schoonbeek <i>et al</i>., <span>2015</span>; Schwessinger <i>et al</i>., <span>2015</span>; Hao <i>et al</i>., <span>2016</span>","PeriodicalId":48887,"journal":{"name":"New Phytologist","volume":"240 1","pages":"17-22"},"PeriodicalIF":9.4,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/nph.19111","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"5878927","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}

{"title":"The dynamic multi-functionality of leaf water transport outside the xylem","authors":"Christine Scoffoni,&nbsp;Caetano Albuquerque,&nbsp;Thomas N. Buckley,&nbsp;Lawren Sack","doi":"10.1111/nph.19069","DOIUrl":"https://doi.org/10.1111/nph.19069","url":null,"abstract":"<p>A surge of papers have reported low leaf vulnerability to xylem embolism during drought. Here, we focus on the less studied, and more sensitive, outside-xylem leaf hydraulic responses to multiple internal and external conditions. Studies of 34 species have resolved substantial vulnerability to dehydration of the outside-xylem pathways, and studies of leaf hydraulic responses to light also implicate dynamic outside-xylem responses. Detailed experiments suggest these dynamic responses arise at least in part from strong control of radial water movement across the vein bundle sheath. While leaf xylem vulnerability may influence leaf and plant survival during extreme drought, outside-xylem dynamic responses are important for the control and resilience of water transport and leaf water status for gas exchange and growth.</p>","PeriodicalId":48887,"journal":{"name":"New Phytologist","volume":"239 6","pages":"2099-2107"},"PeriodicalIF":9.4,"publicationDate":"2023-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/nph.19069","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"5913126","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}