GLYCINE-RICH RNA-BINDING PROTEIN1 interacts with RECEPTOR-LIKE CYTOPLASMIC PROTEIN KINASE1 and suppresses cell death and defense responses in pepper (Capsicum annuum)

© 2014 The Authors. New Phytologist © 2014 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1990. - 205(2015), 2 vom: 07. Jan., Seite 786-800
1. Verfasser: Kim, Dae Sung (VerfasserIn)
Weitere Verfasser: Kim, Nak Hyun, Hwang, Byung Kook
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't DNA and RNA binding Xanthomonas campestris pv vesicatoria (Xcv) cell death glycine-rich RNA-binding protein pepper (Capsicum annuum) plant defense receptor-like cytoplasmic protein kinase Plant Proteins mehr... RNA-Binding Proteins Reactive Oxygen Species glycine-rich RNA-binding protein, plant
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520 |a Plants use a variety of innate immune regulators to trigger cell death and defense responses against pathogen attack. We identified pepper (Capsicum annuum) GLYCINE-RICH RNA-BINDING PROTEIN1 (CaGRP1) as a RECEPTOR-LIKE CYTOPLASMIC PROTEIN KINASE1 (CaPIK1)-interacting partner, based on bimolecular fluorescence complementation and coimmunoprecipitation analyses as well as gene silencing and transient expression analysis. CaGRP1 contains an N-terminal RNA recognition motif and a glycine-rich region at the C-terminus. The CaGRP1 protein had DNA- and RNA-binding activity in vitro. CaGRP1 interacted with CaPIK1 in planta. CaGRP1 and CaGRP1-CaPIK1 complexes were localized to the nucleus in plant cells. CaPIK1 phosphorylated CaGRP1 in vitro and in planta. Transient coexpression of CaGRP1 with CaPIK1 suppressed the CaPIK1-triggered cell death response, accompanied by a reduced CaPIK1-triggered reactive oxygen species (ROS) burst. The RNA recognition motif region of CaGRP1 was responsible for the nuclear localization of CaGRP1 as well as the suppression of the CaPIK1-triggered cell death response. CaGRP1 silencing in pepper conferred enhanced resistance to Xanthomonas campestris pv vesicatoria (Xcv) infection; however, CaPIK1-silenced plants were more susceptible to Xcv. CaGRP1 interacts with CaPIK1 and negatively regulates CaPIK1-triggered cell death and defense responses by suppressing ROS accumulation 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a DNA and RNA binding 
650 4 |a Xanthomonas campestris pv vesicatoria (Xcv) 
650 4 |a cell death 
650 4 |a glycine-rich RNA-binding protein 
650 4 |a pepper (Capsicum annuum) 
650 4 |a plant defense 
650 4 |a receptor-like cytoplasmic protein kinase 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a RNA-Binding Proteins  |2 NLM 
650 7 |a Reactive Oxygen Species  |2 NLM 
650 7 |a glycine-rich RNA-binding protein, plant  |2 NLM 
700 1 |a Kim, Nak Hyun  |e verfasserin  |4 aut 
700 1 |a Hwang, Byung Kook  |e verfasserin  |4 aut 
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773 1 8 |g volume:205  |g year:2015  |g number:2  |g day:07  |g month:01  |g pages:786-800 
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