piRNA

piRNA全名Piwi-interacting RNA,是一類小型非編碼RNA分子,長度大約是29到30個核苷酸。在许多动物(包括无脊椎动物)的生殖腺中都有被发现,並且可以和PIWI蛋白結合形成piRNA複合物(piRNA complexes,piRCs)。與RNA沉默(RNA silencing)作用有關。

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