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Front Plant Sci. 2013 Apr 11;4:86. doi: 10.3389/fpls.2013.00086. eCollection 2013.

Advancements in the analysis of the Arabidopsis plasma membrane proteome.

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1
Department of Plant Pathology, University of California Davis Davis, CA, USA.

Abstract

The plasma membrane (PM) regulates diverse processes essential to plant growth, development, and survival in an ever-changing environment. In addition to maintaining normal cellular homeostasis and plant nutrient status, PM proteins perceive and respond to a myriad of environmental cues. Here we review recent advances in the analysis of the plant PM proteome with a focus on the model plant Arabidopsis thaliana. Due to membrane heterogeneity, hydrophobicity, and low relative abundance, analysis of the PM proteome has been a special challenge. Various experimental techniques to enrich PM proteins and different protein and peptide separation strategies have facilitated the identification of thousands of integral and membrane-associated proteins. Numerous classes of proteins are present at the PM with diverse biological functions. PM microdomains have attracted much attention. However, it still remains a challenge to characterize these cell membrane compartments. Dynamic changes in the PM proteome in response to different biotic and abiotic stimuli are highlighted. Future prospects for PM proteomics research are also discussed.

KEYWORDS:

Arabidopsis; mass spectrometry; membrane proteins; plasma membrane; proteomics

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