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处理小体

处理小体(英语:P-bodies;全名processing bodies,其他名称还有GW-bodiesDcp bodies)是一种发现于真核细胞内的颗粒(granule)构造,于哺乳动物细胞中的大小约100到300nm

这种颗粒的详细功能仍未完全阐明,目前已知内部含有多种蛋白质,并且是一些留待以后使用的mRNA的存放位置。此外,此颗粒内部含有一些可将失去5'端的RNA降解的蛋白质,并参与了RNA的沉默与转译作用调控。

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处理小体
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