The Progress of Plant Acyl-CoA-binding Proteins

doi:10.11924/j.issn.1000-6850.casb18050150

Abstract

Abstract: Acyl-coenzyme A (CoA)-binding proteins (ACBPs) are a class of lipid transporters. They have high binding abilities to acyl-CoAs and phospholipids, and in plant development and stress responses, they play important roles. According to the differences of the domain architecture and protein molecular weight, plant ACBPs are divided into four classes. With the increase of the known genome sequences of plant species, in more and more plants, ACBPs are found. ACBPs from different plant species show diversified subcellular localizations and biological functions. To find out the functional changes of plant ACBPs gene family occurred in terrestrial plant evolution, especially after the split of monocots and dicots, it was summarized that the reported subcellular localizations and gene functions of plant ACBPs. And focusing on Class IV ACBPs from 84 different plant species, the amino acid sequences were multiply aligned and phylogenetic relationship analyses were conducted. The monocots and dicots Class IV ACBPs, besides having conserved functional domain sequences, possessed their own unique sequence characteristics. The above sequence distinctions will provide valuable information for the investigation on the subcellular localizations and gene functions of Class IV ACBPs in plants. Finally, it was proposed that the functions of ACBP are diverged with the split of monocots and dicots.

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