PlantPathoEffV1, Main, Corpus, bibRecord, 000037

sORF-encoded polypeptide SEP1 is a novel virulence factor of Phytophthora pathogens.

Identifieur interne : 000037 ( Main/Corpus ); précédent : 000036; suivant : 000038

sORF-encoded polypeptide SEP1 is a novel virulence factor of Phytophthora pathogens.

Auteurs : Nan Wang ; Zhiyuan Yin ; Weiwei Duan ; Xiong Zhang ; Lei Pi ; Yifang Zhang ; Daolong Dou

Source :

Molecular plant-microbe interactions : MPMI [ 0894-0282 ] ; 2020.

RBID : pubmed:33103962

Abstract

Diseases caused by the notorious Phytophthora species result in enormous economic losses to crops and forests. Increasing evidence suggests that small open reading frame-encoded polypeptides (SEPs) participate in environmental responses of animals, plants, and fungi. However, it remains largely unknown whether Phytophthora pathogens produce SEPs. Here, we systematically predicted and identified 96 SEP candidates in P. capsici. Among them, three may induce stable cell death in Nicotiana benthamiana. Phytophthora-specific and conserved SEP1 facilitated P. capsici infection. PcSEP1-induced cell death is BAK1- and SOBIR1-independent and is correlated to its virulence function. Finally, PcSEP1 may be targeted to the apoplast for carrying out its functions, for which the C-terminus is indispensable. Together, our results demonstrated that SEP1 is a new virulence factor, and previously unknown SEPs may act as effector proteins in Phytophthora pathogens.

DOI: 10.1094/MPMI-06-20-0160-R
PubMed: 33103962

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pubmed:33103962

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<author><name sortKey="Wang, Nan" sort="Wang, Nan" uniqKey="Wang N" first="Nan" last="Wang">Nan Wang</name>
<affiliation><nlm:affiliation>China Agricultural University, 34752, Department of Plant Pathology, Beijing, China; wang.nan@cau.edu.cn.</nlm:affiliation>
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<author><name sortKey="Yin, Zhiyuan" sort="Yin, Zhiyuan" uniqKey="Yin Z" first="Zhiyuan" last="Yin">Zhiyuan Yin</name>
<affiliation><nlm:affiliation>China Agricultural University, 34752, Department of Plant Pathology, Beijing, China; zyin@cau.edu.cn.</nlm:affiliation>
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<author><name sortKey="Duan, Weiwei" sort="Duan, Weiwei" uniqKey="Duan W" first="Weiwei" last="Duan">Weiwei Duan</name>
<affiliation><nlm:affiliation>Nanjing Agricultural University, 70578, Department of Plant Pathology, Nanjing, Jiangsu, China; 2018102044@njau.edu.cn.</nlm:affiliation>
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<author><name sortKey="Zhang, Xiong" sort="Zhang, Xiong" uniqKey="Zhang X" first="Xiong" last="Zhang">Xiong Zhang</name>
<affiliation><nlm:affiliation>China Agricultural University, 34752, Beijing, Department of Plant Pathology, China.</nlm:affiliation>
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<affiliation><nlm:affiliation>Nanjing Agricultural University, 70578, Nanjing, China; hbzhangxiong@126.com.</nlm:affiliation>
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<author><name sortKey="Pi, Lei" sort="Pi, Lei" uniqKey="Pi L" first="Lei" last="Pi">Lei Pi</name>
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<author><name sortKey="Zhang, Yifang" sort="Zhang, Yifang" uniqKey="Zhang Y" first="Yifang" last="Zhang">Yifang Zhang</name>
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<author><name sortKey="Dou, Daolong" sort="Dou, Daolong" uniqKey="Dou D" first="Daolong" last="Dou">Daolong Dou</name>
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<front><div type="abstract" xml:lang="en">Diseases caused by the notorious Phytophthora species result in enormous economic losses to crops and forests. Increasing evidence suggests that small open reading frame-encoded polypeptides (SEPs) participate in environmental responses of animals, plants, and fungi. However, it remains largely unknown whether Phytophthora pathogens produce SEPs. Here, we systematically predicted and identified 96 SEP candidates in P. capsici. Among them, three may induce stable cell death in Nicotiana benthamiana. Phytophthora-specific and conserved SEP1 facilitated P. capsici infection. PcSEP1-induced cell death is BAK1- and SOBIR1-independent and is correlated to its virulence function. Finally, PcSEP1 may be targeted to the apoplast for carrying out its functions, for which the C-terminus is indispensable. Together, our results demonstrated that SEP1 is a new virulence factor, and previously unknown SEPs may act as effector proteins in Phytophthora pathogens.</div>
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<Abstract><AbstractText>Diseases caused by the notorious Phytophthora species result in enormous economic losses to crops and forests. Increasing evidence suggests that small open reading frame-encoded polypeptides (SEPs) participate in environmental responses of animals, plants, and fungi. However, it remains largely unknown whether Phytophthora pathogens produce SEPs. Here, we systematically predicted and identified 96 SEP candidates in P. capsici. Among them, three may induce stable cell death in Nicotiana benthamiana. Phytophthora-specific and conserved SEP1 facilitated P. capsici infection. PcSEP1-induced cell death is BAK1- and SOBIR1-independent and is correlated to its virulence function. Finally, PcSEP1 may be targeted to the apoplast for carrying out its functions, for which the C-terminus is indispensable. Together, our results demonstrated that SEP1 is a new virulence factor, and previously unknown SEPs may act as effector proteins in Phytophthora pathogens.</AbstractText>
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sORF-encoded polypeptide SEP1 is a novel virulence factor of Phytophthora pathogens.

sORF-encoded polypeptide SEP1 is a novel virulence factor of Phytophthora pathogens.

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Abstract

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