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Rice (Oryza sativa) lysine-acetylation LC-MS/MS

ABSTRACT: Lysine acetylation is a dynamic and reversible post-translational modification that plays an imporant role in the gene transcription regulation. Here, we report high quality proteome-scale data for lysine-acetylation sites and proteins in rice (Oryza sativa). A total of 1337 Kac sites in 716 Kac proteins with diverse biological functions and subcellular localizations were identified in rice seedlings.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Oryza Sativa (rice)

TISSUE(S): Seed

SUBMITTER: jun zhu

LAB HEAD: Wende Liu

PROVIDER: PXD002291 | Pride | 2016-02-24

REPOSITORIES: Pride

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			Action	DRS
	MaxQuant_output.zip	Other
	Oryzasativa_Kac.mgf	Mgf
	Oryzasativa_Kac.xml	Xml
	Oryzasativa_first_Kac-1.raw	Raw
	Oryzasativa_first_Kac-2.raw	Raw

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Publications

A comprehensive catalog of the lysine-acetylation targets in rice (Oryza sativa) based on proteomic analyses.

Xiong Yehui Y Peng Xiaojun X Cheng Zhongyi Z Liu Wende W Wang Guo-Liang GL

Journal of proteomics 20160201

Lysine acetylation is a dynamic and reversible post-translational modification that plays an important role in the gene transcription regulation. Here, we report high quality proteome-scale data for lysine-acetylation (Kac) sites and Kac proteins in rice (Oryza sativa). A total of 1337 Kac sites in 716 Kac proteins with diverse biological functions and subcellular localizations were identified in rice seedlings. About 42% of the sites were predicted to be localized in the chloroplast. Seven puta ...[more]

PMID: 26836501

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Protein acetylation landscape of developing rice anthers

Project description:Protein lysine acetylation (KAC) is a dynamic and reversible post-translational modification, playing important biological roles in many organisms.Here, we reported results from a proteomic investigation to detect KAC status of the developing rice anthers near the time of meiosis (RAM), providing strong biochemical evidence for roles of many KAC-affected proteins during rice anther development and meiosis. We identified a total of 1,354 KAC sites in 676 proteins.

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The acetylome analysis of lysine acetylation in the plant pathogenic bacterium Brenneria nigrifluens

Project description:Protein lysine acetylation, a dynamic and reversible posttranslational modification, plays a crucial role in several cellular processes including cell cycle regulation, metabolic pathways, enzymatic activities and protein interactions. Brenneria nigrifluens is the pathogen of shallow bark canker of walnut trees and can cause serious disease on walnut trees. Up to now, it is little known about the roles of lysine acetylation in the plant pathogenic bacteria. In the present study, the lysine acetylome of B. nigrifluens was determined by high-resolution LC-MS/MS analysis. In total, we identified 1,866 lysine acetylation sites distributed in 737 acetylated proteins. Bioinformatics results indicate that acetylated proteins participate in many different biological functions in B. nigrifluens. Four conserved motifs, namely, LKac, Kac*F, I*Kac and L*Kac, were identified in this bacterium. Protein interaction network analysis indicates that all kinds of interactions are modulated by protein lysine acetylation. Overall, 14 acetylated proteins are related to the virulence of B. nigrifluens.

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Oryza sativa,Global proteome,LC-MSMS

Project description:Rice is one of the most important global food crops, and is also a model organism for cereal research 31 . Complete genome sequencing of rice, together with advances in transcriptomics and proteomics, has had a dramatic impact on plant growth and 5 breeding programs 32 . Genomic analysis of DNA methylation in rice has revealed methylation patterns associated with gene bodies and promoters, and the occurrence of high levels of DNA methylation in the centromeric domain 33 . A genome-wide investigation of acetylation in rice revealed that H3K9ac and H3K27ac are mainly enriched at transcription start sites associated with active transcription 34 . Furthermore, global proteome analysis has shown that phosphorylation and succinylation are involved in diverse cellular and metabolic processes 35, 36 . However, despite these considerable advances in our knowledge, additional large-scale analysis of the lysine acetylome in rice is expected to identify many more Kac sites and acetylated proteins in this improtant crop plant. In this study, affinity enrichment and high-resolution LC-MS/MS were used for large-scale analysis of the lysine acetylome in rice variety Nipponbare. In total, 1353 lysine acetylation sites were detected in 866 protein groups in rice seedlings. Proteomic analysis showed that Kac occurs in proteins involved in diverse biological processes with varied cellular functions and subcellular localization.

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Proteomic analysis of lysine acetylation provides strong evidence for involvement of acetylated histone and chloroplast proteins in CWMV infected plant

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