CaLecRK-S.5, a pepper L-type lectin receptor kinase gene, confers broad-spectrum resistance by activating priming

© The Author 2016. Published by Oxford University Press on behalf of the Society for Experimental Biology.

Bibliographische Detailangaben
Veröffentlicht in:Journal of experimental botany. - 1985. - 67(2016), 19 vom: 10. Okt., Seite 5725-5741
1. Verfasser: Woo, Joo Yong (VerfasserIn)
Weitere Verfasser: Jeong, Kwang Ju, Kim, Young Jin, Paek, Kyung-Hee
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Broad-spectrum resistance CaLecRK-S.5 L-type lectin receptor kinase RNA sequencing SAR priming tobamovirus. Lectins mehr... Plant Proteins Protein Kinases EC 2.7.-
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520 |a In Arabidopsis, several L-type lectin receptor kinases (LecRKs) have been identified as putative immune receptors. However, to date, there have been few analyses of LecRKs in crop plants. Virus-induced gene silencing of CaLecRK-S.5 verified the role of CaLecRK-S.5 in broad-spectrum resistance. Compared with control plants, CaLecRK-S.5-silenced plants showed reduced hypersensitive response, reactive oxygen species burst, secondary metabolite production, mitogen-activated protein kinase activation, and defense-related gene expression in response to Tobacco mosaic virus pathotype P0 (TMV-P0) infection. Suppression of CaLecRK-S.5 expression significantly enhanced the susceptibility to Pepper mild mottle virus pathotype P1,2,3, Xanthomonas campestris pv. vesicatoria, Phytophthora capsici, as well as TMV-P0 Additionally, β-aminobutyric acid treatment and a systemic acquired resistance assay revealed that CaLecRK-S.5 is involved in priming of plant immunity. Pre-treatment with β-aminobutyric acid before viral infection restored the reduced disease resistance phenotypes shown in CaLecRK-S.5-silenced plants. Systemic acquired resistance was also abolished in CaLecRK-S.5-silenced plants. Finally, RNA sequencing analysis indicated that CaLecRK-S.5 positively regulates plant immunity at the transcriptional level. Altogether, these results suggest that CaLecRK-S.5-mediated broad-spectrum resistance is associated with the regulation of priming 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Broad-spectrum resistance 
650 4 |a CaLecRK-S.5 
650 4 |a L-type lectin receptor kinase 
650 4 |a RNA sequencing 
650 4 |a SAR 
650 4 |a priming 
650 4 |a tobamovirus. 
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650 7 |a Plant Proteins  |2 NLM 
650 7 |a Protein Kinases  |2 NLM 
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700 1 |a Jeong, Kwang Ju  |e verfasserin  |4 aut 
700 1 |a Kim, Young Jin  |e verfasserin  |4 aut 
700 1 |a Paek, Kyung-Hee  |e verfasserin  |4 aut 
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