J Integr Plant Biol. ›› 2021, Vol. 63 ›› Issue (7): 1197-1210.DOI: 10.1111/jipb.13087

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Exploring the diversity of plant proteome

Yanmei Chen1*, Yi Wang2, Jun Yang3, Wenbin Zhou4 and Shaojun Dai5   

  1. 1 State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing 100193, China
    2 State Key Laboratory of Wheat and Maize Crop Science, College of Resources and Environment, Henan Agricultural University, Zhengzhou 450002, China
    3 Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, Shanghai Chenshan Botanical Garden, Shanghai 201602, China
    4 Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
    5 Development Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China

    *Correspondence: Yanmei Chen (chenyanmei@cau.edu.cn)
  • Received:2021-01-04 Accepted:2021-02-25 Online:2021-03-02 Published:2021-07-01

Abstract: The tremendous functional, spatial, and temporal diversity of the plant proteome is regulated by multiple factors that continuously modify protein abundance, modifications, interactions, localization, and activity to meet the dynamic needs of plants. Dissecting the proteome complexity and its underlying genetic variation is attracting increasing research attention. Mass spectrometry (MS)-based proteomics has become a powerful approach in the global study of protein functions and their relationships on a systems level. Here, we review recent breakthroughs and strategies adopted to unravel the diversity of the proteome, with a specific focus on the methods used to analyze posttranslational modifications (PTMs), protein localization, and the organization of proteins into functional modules. We also consider PTM crosstalk and multiple PTMs temporally regulating the life cycle of proteins. Finally, we discuss recent quantitative studies using MS to measure protein turnover rates and examine future directions in the study of the plant proteome.

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