{"title":"Cellular morphodynamics and signaling around the transcellular passage cleft during rhizobial infections of legume roots","authors":"Guofeng Zhang , Thomas Ott","doi":"10.1016/j.ceb.2024.102436","DOIUrl":null,"url":null,"abstract":"<div><div>Legume roots allow intracellular infections of rhizobia to establish the mutualistic root nodule symbiosis. During this colonization event, specialized and membrane-defined infection threads provide the host-controlled path for the bacteria through the multilayered root tissue to reach a newly developing organ, the root nodule. On this way, bacteria have to propagate transcellularly and thus overcome cell wall barriers. This process not only requires continuous molecular surveillance of the invading microbe but also structural adaptations of the extracellular matrix components in a spatially confined manner leading to the formation of a novel compartment that we term the “transcellular passage cleft” (TPC). Here, we review the molecular mechanisms and signaling events around the TPC and propose a step-wise model for TPC formation.</div></div>","PeriodicalId":50608,"journal":{"name":"Current Opinion in Cell Biology","volume":"91 ","pages":"Article 102436"},"PeriodicalIF":6.0000,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Current Opinion in Cell Biology","FirstCategoryId":"99","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0955067424001157","RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CELL BIOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Legume roots allow intracellular infections of rhizobia to establish the mutualistic root nodule symbiosis. During this colonization event, specialized and membrane-defined infection threads provide the host-controlled path for the bacteria through the multilayered root tissue to reach a newly developing organ, the root nodule. On this way, bacteria have to propagate transcellularly and thus overcome cell wall barriers. This process not only requires continuous molecular surveillance of the invading microbe but also structural adaptations of the extracellular matrix components in a spatially confined manner leading to the formation of a novel compartment that we term the “transcellular passage cleft” (TPC). Here, we review the molecular mechanisms and signaling events around the TPC and propose a step-wise model for TPC formation.
期刊介绍：
Current Opinion in Cell Biology (COCEBI) is a highly respected journal that specializes in publishing authoritative, comprehensive, and systematic reviews in the field of cell biology. The journal's primary aim is to provide a clear and readable synthesis of the latest advances in cell biology, helping specialists stay current with the rapidly evolving field. Expert authors contribute to the journal by annotating and highlighting the most significant papers from the extensive body of research published annually, offering valuable insights and saving time for readers by distilling key findings.
COCEBI is part of the Current Opinion and Research (CO+RE) suite of journals, which leverages the legacy of editorial excellence, high impact, and global reach to ensure that the journal is a widely read resource integral to scientists' workflow. It is published by Elsevier, a publisher known for its commitment to excellence in scientific publishing and the communication of reproducible biomedical research aimed at improving human health. The journal's content is designed to be an invaluable resource for a diverse audience, including researchers, lecturers, teachers, professionals, policymakers, and students.
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