Martin Stephen W, Glover Beverley J, Davies Julia M
Department of Plant Sciences, University of Cambridge, Downing Street, Cambridge, UK CB2 3EA.
Trends Plant Sci. 2005 Jun;10(6):263-5. doi: 10.1016/j.tplants.2005.04.004.
The plant plasma membrane is now known to be a more sophisticated structure than was previously thought. Sebastien Mongrand et al. and Georg Borner et al. have isolated specific plasma membrane microdomains ('lipid rafts') that are enriched in sterols and sphingolipids. These rafts contain distinct sets of proteins and might help to explain how plasma membrane proteins are positioned in certain parts of the cell to function in development and signalling.
现在已知植物质膜是一种比之前认为的更为复杂的结构。塞巴斯蒂安·蒙格兰等人以及格奥尔格·博纳等人已经分离出了特定的质膜微区(“脂筏”),这些微区富含固醇和鞘脂。这些脂筏包含不同的蛋白质组,可能有助于解释质膜蛋白如何定位在细胞的某些部位以在发育和信号传导中发挥作用。