J Integr Plant Biol. ›› 2007, Vol. 49 ›› Issue (8): 1183-1191.DOI: 10.1111/j.1672-9072.2007.00546.x

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The Villin/Gelsolin/Fragmin Superfamily Proteins in Plants

Hui Su, Ting Wang, Huaijian Dong and Haiyun Ren   

  • Published:2007-08-04

Abstract: The villin/gelsolin/fragmin superfamily is a conserved Ca2+-dependent family of actin-regulating proteins that is widely present both in mammalian and non-mammalian organisms. They have traditionally been characterized by the same core of three or six tandem gelsolin subdomains. The study in vertebrates and lower eukaryotic cells has revealed that the villin/gelsolin/fragmin superfamily of proteins has versatile functions including severing, capping, nucleating or bundling actin filaments. In plants, encouraging progress has been made in this field of research in recent years. This review will summarize the identified plant homologs of villin/gelsolin/fragmin superfamily, thus providing a basis for reflection on their biochemical activities and functions in plants.

Key words: actin-binding protein, actin cytoskeleton, villin/gelsolin/fragmin.

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