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种子传播的坏死营养型真菌对水分胁迫的响应

Responses to Hydric Stress in the Seed-Borne Necrotrophic Fungus .

作者信息

N'Guyen Guillaume Quang, Raulo Roxane, Marchi Muriel, Agustí-Brisach Carlos, Iacomi Beatrice, Pelletier Sandra, Renou Jean-Pierre, Bataillé-Simoneau Nelly, Campion Claire, Bastide Franck, Hamon Bruno, Mouchès Chloé, Porcheron Benoit, Lemoine Remi, Kwasiborski Anthony, Simoneau Philippe, Guillemette Thomas

机构信息

Institut de Recherche en Horticulture et Semences - UMR 1345, INRA, Université d'Angers, Agrocampus-Ouest, SFR 4207 QUASAV, Angers, France.

Université de Lille, INRA, ISA, Université d'Artois, Université du Littoral Côte d'Opale, EA 7394 - ICV - Institut Charles Viollette, Lille, France.

出版信息

Front Microbiol. 2019 Aug 30;10:1969. doi: 10.3389/fmicb.2019.01969. eCollection 2019.

DOI:10.3389/fmicb.2019.01969
PMID:31543870
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6730492/
Abstract

is a necrotrophic fungus causing black spot disease and is an economically important seed-borne pathogen of cultivated brassicas. Seed transmission is a crucial component of its parasitic cycle as it promotes long-term survival and dispersal. Recent studies, conducted with the pathosystem, showed that the level of susceptibility of the fungus to water stress strongly influenced its seed transmission ability. In this study, we gained further insights into the mechanisms involved in the seed infection process by analyzing the transcriptomic and metabolomic responses of germinated spores of exposed to water stress. Then, the repertoire of putative hydrophilins, a group of proteins that are assumed to be involved in cellular dehydration tolerance, was established in based on the expression data and additional structural and biochemical criteria. Phenotyping of single deletion mutants deficient for fungal hydrophilin-like proteins showed that they were affected in their transmission to seeds, although their aggressiveness on host vegetative tissues remained intact.

摘要

是一种引起黑斑病的坏死营养型真菌，是栽培芸苔属植物中一种具有经济重要性的种传病原体。种子传播是其寄生循环的关键组成部分，因为它促进了长期存活和传播。最近在该病理系统中进行的研究表明，真菌对水分胁迫的敏感程度强烈影响其种子传播能力。在本研究中，我们通过分析暴露于水分胁迫的萌发孢子的转录组和代谢组反应，进一步深入了解了种子感染过程中涉及的机制。然后，基于表达数据以及额外的结构和生化标准，在该真菌中建立了假定的亲水性蛋白库，这类蛋白被认为参与细胞脱水耐受性。对缺乏真菌亲水性样蛋白的单基因缺失突变体进行表型分析表明，它们在向种子传播方面受到影响，尽管它们对宿主营养组织的侵袭性保持不变。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91da/6730492/2d799aaed371/fmicb-10-01969-g008.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91da/6730492/2ef95478dbbe/fmicb-10-01969-g005.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91da/6730492/85a0026ebd63/fmicb-10-01969-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91da/6730492/2d799aaed371/fmicb-10-01969-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91da/6730492/8f010d9dc86a/fmicb-10-01969-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91da/6730492/ea03453ef9e0/fmicb-10-01969-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91da/6730492/85a0026ebd63/fmicb-10-01969-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/91da/6730492/2d799aaed371/fmicb-10-01969-g008.jpg

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本文引用的文献

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Genome Sequence of the Necrotrophic Plant Pathogen Abra43.坏死性植物病原菌Abra43的基因组序列
Genome Announc. 2018 Feb 8;6(6):e01559-17. doi: 10.1128/genomeA.01559-17.
2
A flavoprotein supports cell wall properties in the necrotrophic fungus .一种黄素蛋白支持坏死营养型真菌的细胞壁特性。
Fungal Biol Biotechnol. 2017 Jan 6;4:1. doi: 10.1186/s40694-016-0029-3. eCollection 2017.
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Comparison of Different Drying Methods for Recovery of Mushroom DNA.不同干燥方法对蘑菇 DNA 回收效果的比较。
Can1（MCC）占据的膜区室和植物致病型坏死真菌交链格孢菌 eisosome 亚区在植物致病性中的作用。
BMC Microbiol. 2019 Dec 16;19(1):295. doi: 10.1186/s12866-019-1667-4.
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myGenomeBrowser: building and sharing your own genome browser.我的基因组浏览器：构建并共享你自己的基因组浏览器。
Bioinformatics. 2017 Apr 15;33(8):1255-1257. doi: 10.1093/bioinformatics/btw800.
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Amino Acid Catabolism in Plants.植物中的氨基酸分解代谢。
Mol Plant. 2015 Nov 2;8(11):1563-79. doi: 10.1016/j.molp.2015.09.005. Epub 2015 Sep 15.
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Concomitant osmotic and chaotropicity-induced stresses in Aspergillus wentii: compatible solutes determine the biotic window.构巢曲霉中渗透压和离液序列高的变性剂诱导的应激并存：相容性溶质决定生物窗口。
Curr Genet. 2015 Aug;61(3):457-77. doi: 10.1007/s00294-015-0496-8. Epub 2015 Jun 9.
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An integrated view on a eukaryotic osmoregulation system.真核生物渗透调节系统的综合观点。
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