Abstract
The actin cytoskeleton participates in numerous intracellular and physiological processes, and is present in all eukaryote. Tight regulation of actin cytoskeleton organization and dynamics is regulated by a plethora of actin-binding proteins (ABPs), which is the foundation of cellular processes. Although actin is highly conserved and the mechanisms underlying the regulation of actin dynamics are similar in eukaryotic cells, there are some differences between animal and plant cells owing to the diversity of cell type and living habits. ABPs coevolved with actin leading to the diverse biochemical functions of ABPs in eukaryote, such as several ABPs disappearing but conserved in animal and yeast, novel plants ABPs arising, typical ABPs and non-ABPs evolving into new actin-regulating function and activity. This review summarizes the latest progress in the function of novel plants ABPs and the methods for searching new ABPs in plants. Finally, we discuss the future studies and potential research hotspots in plant actin cytoskeleton.
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