Serveur d'exploration Phytophthora

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CaLecRK-S.5, a pepper L-type lectin receptor kinase gene, accelerates Phytophthora elicitin-mediated defense response.

Identifieur interne : 000281 ( Main/Exploration ); précédent : 000280; suivant : 000282

CaLecRK-S.5, a pepper L-type lectin receptor kinase gene, accelerates Phytophthora elicitin-mediated defense response.

Auteurs : Joo Yong Woo [Corée du Sud] ; Young Jin Kim [Corée du Sud] ; Kyung-Hee Paek [Corée du Sud]

Source :

RBID : pubmed:32059849

Descripteurs français

English descriptors

Abstract

Innate immunity in plants relies on the recognition of pathogen-associated molecular patterns (PAMPs) by pattern-recognition receptors (PRRs) located on the plant cell surface. CaLecRK-S.5, a pepper L-type lectin receptor kinase, has been shown to confer broad-spectrum resistance through priming activation. To further elucidate the molecular mechanism of CaLecRK-S.5, transgenic tobacco plants were generated in this study. Interestingly, hemizygous transgenic plants exhibited a high accumulation of CaLecRK-S.5, but this accumulation was completely abolished in homozygous transgenic plants by a cosuppression mechanism. Gain-of-function and loss-of-function analyses revealed that CaLecRK-S.5 plays a positive role in Phytophthora elicitin-mediated defense responses.

DOI: 10.1016/j.bbrc.2020.02.014
PubMed: 32059849


Affiliations:


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Le document en format XML

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<term>Phytophthora infestans (immunology)</term>
<term>Piper (genetics)</term>
<term>Piper (immunology)</term>
<term>Plant Diseases (genetics)</term>
<term>Plant Diseases (immunology)</term>
<term>Plant Diseases (parasitology)</term>
<term>Plant Immunity (MeSH)</term>
<term>Plant Proteins (genetics)</term>
<term>Plant Proteins (immunology)</term>
<term>Plants, Genetically Modified (genetics)</term>
<term>Plants, Genetically Modified (immunology)</term>
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<term>Immunité des plantes (MeSH)</term>
<term>Maladies des plantes (génétique)</term>
<term>Maladies des plantes (immunologie)</term>
<term>Maladies des plantes (parasitologie)</term>
<term>Phytophthora infestans (immunologie)</term>
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<term>Piper (immunologie)</term>
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<term>Protéines végétales (génétique)</term>
<term>Protéines végétales (immunologie)</term>
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<term>Récepteurs de surface cellulaire (immunologie)</term>
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<term>Tabac (immunologie)</term>
<term>Transgènes (MeSH)</term>
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<term>Végétaux génétiquement modifiés (immunologie)</term>
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<term>Maladies des plantes</term>
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<term>Récepteurs de surface cellulaire</term>
<term>Tabac</term>
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<div type="abstract" xml:lang="en">Innate immunity in plants relies on the recognition of pathogen-associated molecular patterns (PAMPs) by pattern-recognition receptors (PRRs) located on the plant cell surface. CaLecRK-S.5, a pepper L-type lectin receptor kinase, has been shown to confer broad-spectrum resistance through priming activation. To further elucidate the molecular mechanism of CaLecRK-S.5, transgenic tobacco plants were generated in this study. Interestingly, hemizygous transgenic plants exhibited a high accumulation of CaLecRK-S.5, but this accumulation was completely abolished in homozygous transgenic plants by a cosuppression mechanism. Gain-of-function and loss-of-function analyses revealed that CaLecRK-S.5 plays a positive role in Phytophthora elicitin-mediated defense responses.</div>
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<Keyword MajorTopicYN="Y">L-type lectin receptor kinase</Keyword>
<Keyword MajorTopicYN="Y">Pattern-recognition receptors (PRRs)</Keyword>
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<CoiStatement>Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.</CoiStatement>
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