Expansins: roles in plant growth and potential applications in crop improvement
文献类型: 外文期刊
第一作者: Marowa, Prince
作者: Marowa, Prince;Ding, Anming;Kong, Yingzhen
作者机构:
关键词: Cell wall;Expansin;Plant growth;Cell wall loosening;Crop improvement;Abiotic stress;Biotic stress
期刊名称:PLANT CELL REPORTS ( 影响因子:4.57; 五年影响因子:4.463 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The recent advances in expansin studies were reviewed. Besides producing the strength that is needed by the plants, cell walls define cell shape, cell size and cell function. Expansins are cell wall proteins which consist of four sub families; alpha-expansin, beta-expansin, expansin-like A and expansin-like B. These proteins mediate cell wall loosening and they are present in all plants and in some microbial organisms and other organisms like snails. Decades after their initial discovery in cucumber, it is now clear that these small proteins have diverse biological roles in plants. Through their ability to enable the local sliding of wall polymers by reducing adhesion between adjacent wall polysaccharides and the part they play in cell wall remodeling after cytokinesis, it is now clear that expansins are required in almost all plant physiological development aspects from germination to fruiting. This is shown by the various reports from different studies using various molecular biology approaches such as gene achieve these many roles through their non-enzymatic wall loosening ability. This paper reviews and summarizes some of the reported functions of expansins and outlines the potential uses of expansins in crop improvement programs.
分类号: Q942
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