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ÆÇľ: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ллÄã gyesang 2012-11-26 23:20:25
Сµ¤Ä¾Ä¾: ½ð±Ò+5, MolEPI+1, ¹ÄÀøÓ¦Öú 2012-12-04 21:10:55
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ÆÇľ: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ллÄã gyesang 2012-11-26 23:20:25
Сµ¤Ä¾Ä¾: ½ð±Ò+5, MolEPI+1, ¹ÄÀøÓ¦Öú 2012-12-04 21:10:55
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1 Transcribed in vivo Ôõô·Òë vivo ָʲô£¿ in vivo(бÌå)±íʾÔÚÌåÄÚ£¬in vitro(бÌå)±íʾÔÚÌåÍ⣬¾ÍÊÇͨ³£ÊµÑéʱµÄÌåÄÚ£¬ÌåÍâʵÑé 2 Once dsRNA enters a cell, a member of the Dicer family of RNaseIII-like enzymes cleaves the dsRNA to produce short-interfering RNAs (siRNAs) of ∼21 nucleotides .Õâ¾ä»°Ôõô·Ò룬RNaseIII-like enzymes ÊÇʲôÒâ˼£¿ RNAøÓкü¸¸ö´óÀà·ÖΪI£¬II£¬III£¬¡£¡£RNase-like enzymeÒâ˼ÊÇRNAøIIIÀàËÆµÄø£¬ÕâÀïÊÇDicerø£¬ Õû¾ä»°µÄÒâ˼ÊÇ£ºÒ»µ©Ë«Á´RNA½øÈëϸ°û£¬Dicer¼Ò×åµÄÒ»¸öÀàRNaseIIIµÄøÇÐ¸î½øÈëµÄË«Á´RNA´Ó¶ø²úÉúÔ¼21¸öºËÜÕËáµÄ¶Ì¸ÉÈÅRNA 3 These processed guide RNAs associate with a protein complex that generally includes a member of the Argonaute family of RNaseH-like enzymes to perform sequence-specific cleavage of RNA¡£RNaseH-like enzymes ÊÇʲô£¿Õâ¾ä»°Ôõô·Òë RNaseH-like enzymes ¸úÉÏÃæµÄÒ»Ñù£¬Ò»¸öÀàRNaseHµÄø¡£ Õâ¾ä»°µÄÒâ˼ÊÇ£ºÕâЩÒýµ¼RNA£¨Ç°Ãæ²½Öè²úÉúµÄ£©ÓëÒ»¸öµ°°×¸´ºÏÎïÏàÁªÏµ£¬Õâ¸öµ°°×¸´ºÏÎïͨ³£°üº¬Ò»¸öÀàRnaseHøµÄArgonaute¼Ò×åµÄÒ»¸ö³ÉÔ±ÂÄÐÐRNAÐòÁÐÌØÒìÇи 4 a Tudor domain 5RSD-3 has an epsin N-terminal homology (ENTH) domain that is often found in vesicle-trafficking proteins (67), and has a human homolog, Enthoprotin, that might also function in vesicle trafficking Ôõô·Òë 5RSD-3¾ßÓÐÒ»¸öepsinNÄ©¶ËͬԴ½á¹¹Ó룬Õâ¸ö½á¹¹Óòͨ³£·¢ÏÖÓÚvesicle-traffickingµ°°×ÖУ¬Í¬Ê± 5RSD-3¾ßÓÐÒ»¸öÈ˵ÄEnthoprotinͬԴÓò£¬Õâ¸öͬԴÓòÒ²¿ÉÄܲÎÓëСÅÝÔËÊä лл´ó¼ÒÁË |

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