StPOTHR1, a NDR1/HIN1-like gene in Solanum tuberosum, enhances resistance against Phytophthora infestans.
Identifieur interne : 000835 ( Main/Corpus ); précédent : 000834; suivant : 000836StPOTHR1, a NDR1/HIN1-like gene in Solanum tuberosum, enhances resistance against Phytophthora infestans.
Auteurs : Qiansi Chen ; Zhendong Tian ; Rui Jiang ; Xueao Zheng ; Conghua Xie ; Jun LiuSource :
- Biochemical and biophysical research communications [ 1090-2104 ] ; 2018.
English descriptors
- KwdEn :
- MESH :
- chemical , immunology : Plant Proteins.
- immunology : Disease Resistance, Phytophthora infestans, Plant Diseases, Solanum tuberosum.
- parasitology : Plant Diseases, Solanum tuberosum.
- pathogenicity : Phytophthora infestans.
Abstract
A family of NDR1/HIN1-like (NHL) genes that shows homology to the nonrace-specific disease resistance (NDR1) and the tobacco (Nicotiana tabacum) harpin-induced (HIN1) genes is reported to be involved in defense. However, little information about NHL genes is available for the potato (Solanum tuberosum). Here, we report that the expression of StPOTHR1, a member of the NHL gene family, is associated with resistance in potato against Phytophthora infestans, and is specifically induced in inoculation sites. Overexpression of StPOTHR1 enhances resistance against P. infestans via restricting rapid pathogen proliferation. Further, suppression of StPOTHR1 does not compromise R-mediated cell death. Subcellular localization and posttranscription modifications (PTMs) analysis reveals that StPOTHR1 is localized in plasma membrane (PM) and undergoes multiple PTMs. Moreover, StPOTHR1 interacts with NbMKK5L, a component of the MAP kinase signaling cascade. Taken together, our results suggest that the PM-localized StPOTHR1 contributes to potato immunity against P. infestans and may be associated with the MAP kinase signaling cascade.
DOI: 10.1016/j.bbrc.2018.01.162
PubMed: 29407171
Links to Exploration step
pubmed:29407171Le document en format XML
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<affiliation><nlm:affiliation>College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; Key Laboratory of Potato Biology and Biotechnology, Ministry of Agriculture, Wuhan 430070, PR China; Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, PR China.</nlm:affiliation>
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<author><name sortKey="Tian, Zhendong" sort="Tian, Zhendong" uniqKey="Tian Z" first="Zhendong" last="Tian">Zhendong Tian</name>
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<author><name sortKey="Jiang, Rui" sort="Jiang, Rui" uniqKey="Jiang R" first="Rui" last="Jiang">Rui Jiang</name>
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<author><name sortKey="Xie, Conghua" sort="Xie, Conghua" uniqKey="Xie C" first="Conghua" last="Xie">Conghua Xie</name>
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<author><name sortKey="Liu, Jun" sort="Liu, Jun" uniqKey="Liu J" first="Jun" last="Liu">Jun Liu</name>
<affiliation><nlm:affiliation>College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; Key Laboratory of Potato Biology and Biotechnology, Ministry of Agriculture, Wuhan 430070, PR China. Electronic address: liujun@mail.hzau.edu.cn.</nlm:affiliation>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Disease Resistance (immunology)</term>
<term>Phytophthora infestans (immunology)</term>
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<term>Plant Diseases (immunology)</term>
<term>Plant Diseases (parasitology)</term>
<term>Plant Proteins (immunology)</term>
<term>Solanum tuberosum (immunology)</term>
<term>Solanum tuberosum (parasitology)</term>
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<term>Solanum tuberosum</term>
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<term>Solanum tuberosum</term>
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<front><div type="abstract" xml:lang="en">A family of NDR1/HIN1-like (NHL) genes that shows homology to the nonrace-specific disease resistance (NDR1) and the tobacco (Nicotiana tabacum) harpin-induced (HIN1) genes is reported to be involved in defense. However, little information about NHL genes is available for the potato (Solanum tuberosum). Here, we report that the expression of StPOTHR1, a member of the NHL gene family, is associated with resistance in potato against Phytophthora infestans, and is specifically induced in inoculation sites. Overexpression of StPOTHR1 enhances resistance against P. infestans via restricting rapid pathogen proliferation. Further, suppression of StPOTHR1 does not compromise R-mediated cell death. Subcellular localization and posttranscription modifications (PTMs) analysis reveals that StPOTHR1 is localized in plasma membrane (PM) and undergoes multiple PTMs. Moreover, StPOTHR1 interacts with NbMKK5L, a component of the MAP kinase signaling cascade. Taken together, our results suggest that the PM-localized StPOTHR1 contributes to potato immunity against P. infestans and may be associated with the MAP kinase signaling cascade.</div>
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<Abstract><AbstractText>A family of NDR1/HIN1-like (NHL) genes that shows homology to the nonrace-specific disease resistance (NDR1) and the tobacco (Nicotiana tabacum) harpin-induced (HIN1) genes is reported to be involved in defense. However, little information about NHL genes is available for the potato (Solanum tuberosum). Here, we report that the expression of StPOTHR1, a member of the NHL gene family, is associated with resistance in potato against Phytophthora infestans, and is specifically induced in inoculation sites. Overexpression of StPOTHR1 enhances resistance against P. infestans via restricting rapid pathogen proliferation. Further, suppression of StPOTHR1 does not compromise R-mediated cell death. Subcellular localization and posttranscription modifications (PTMs) analysis reveals that StPOTHR1 is localized in plasma membrane (PM) and undergoes multiple PTMs. Moreover, StPOTHR1 interacts with NbMKK5L, a component of the MAP kinase signaling cascade. Taken together, our results suggest that the PM-localized StPOTHR1 contributes to potato immunity against P. infestans and may be associated with the MAP kinase signaling cascade.</AbstractText>
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