ÓÀÀû¼¯ÍÅ

±±¾©»ùÒò×éÑо¿Ëù£¨¹ú¼ÒÉúÎïÐÅÏ¢ÖÐÐÄ£©ÏàÖúÕ¹ÏÖÂóÀàÌØÒìת×ù×ÓÖØËÜСÂóÇéÐÎ˳Ӧµ÷¿ØÍøÂç

¡¡¡¡×ª×ù×Ó£¨Transposable Elements, TE£©ÊÇ»ùÒò×éÖпÉÒƶ¯µÄDNAÔª¼þ £¬20ÊÀ¼Í40ÄêÔÂÓÉBarbara McClintockÊ״ᨵÀ ¡£Ð¡Âó×åÎïÖÖµÄת×ù×Ó·ºÆ𱬷¢ÐÔÔöÌí £¬»ùÒò×é¸ß´ï3-16Gb £¬85%ÒÔÉÏÓÉTE×é³É £¬¶øÓëÖ®Ç×Ôµ¹ØϵÇ×½üµÄ¶þËë¶Ì±ú²Ý»ùÒò×éÖ»ÓÐ272Mb ¡£¿ÉÒÔ˵СÂóµÄ»ùÒòÊÇ¡°É¢Â䡱ÔÚTEµÄº£ÑóÖÐ £¬ÕâЩÖØ´óµÄTEȺÌå½ö½öÊÇ×Ô˽µÄ×ÔÎÒ¸´ÖÆÀ¬»øÐòÁÐ £¬ÕվɻáÓ°ÏìËÞÖ÷µÄ»ùÒò»îÐÔÓë˳ӦÐÔÄØ£¿

¡¡¡¡¿ËÈÕ £¬ÓÀÀû¼¯ÍÅ£¨¹ú¼ÒÉúÎïÐÅÏ¢ÖÐÐÄ£©Ñ¦Ó±ëËù³¤Ó븴µ©´óѧÕÅÒ»æºÑо¿×é¡¢ÓÀÀû¼¯ÍÅ·Ö×ÓÖ²Îï¿Æѧ׿ԽÁ¢ÒìÖÐÐÄ/ÉϺ£Ö²ÎïÄæ¾³ÉúÎïѧÑо¿ÖÐÐÄÀʕײ©Ñо¿×éÒÔ¼°ÄϾ©Å©Òµ´óѧÕÅÎÄÀûÑо¿×éÏàÖúÑо¿ £¬Í¨¹ýÆÊÎöÎÚÀ­¶ûͼСÂóת¼Òò×ÓÍŽáͼÆ× £¬Õ¹ÏÖÂóÀàÌØÒìת×ù×ÓÖØËÜСÂóÇéÐÎ˳Ӧµ÷¿ØÍøÂç £¬¸ÃÑо¿ÒÔ·âÃæÎÄÕÂÐÎʽ½ÒÏþÔÚGenome Research ÔÓÖ¾ ¡£

¡¡¡¡Ñо¿Ê¹ÓÃDNAÇ׺ʹ¿»¯²âÐò£¨DAP-seq£©ÊÖÒÕ»ñµÃ53¸öÇéÐÎÏìӦת¼Òò×ÓµÄÈ«»ùÒò×é¸ßÖÊÁ¿ÍŽáͼÆ×£¨Í¼A£© £¬·¢Ã÷¸ß´ï85%ת¼Òò×ÓÍŽáλµã£¨Transcription Factor Binding Sites, TFBS£©Î»ÓÚTEÄÚ²¿£¨TE-embedded TFBS£© ¡£

¡¡¡¡Í¨¹ýÓëTEÄÚ²¿TFBS±È £¬1/4·ÇTEÇøTFBS£¨nonTE-TFBS£©¿ÉÄÜȪԴÓÚTE-embedded TFBS £¬²¢ÇÒÕâЩnonTE-TFBSÊÇСÂó×åÌØÒì·ºÆðµÄµ÷¿ØÐòÁÐ £¬½øÒ»²½Ö§³ÖÕâЩ·ÇTEµ÷¿ØÇøÊÇÅãͬСÂó×åTE±¬·¢ÆðÔ´µÄ ¡£TE-embedded TFBSºÍTEȪԴTFBS£¨TE-derived TFB£©Ö÷ÒªÓɼ¸¸öÌض¨LTR·´×ªÂ¼×ª×ù×ÓÑǼÒ×åТ˳ £¬ËµÃ÷Õ⼸ÀàTEÑǼÒ×åµÄ¸´ÖƺÍת×ùÌØÒìÐÔ¼ÓÈëÁËСÂóµÄ»ùÒòµ÷¿ØÍøÂç ¡£Ëæ×ÅTE-derived TFBSÐòÁÐÓëTEÐòÁзֽâʱ¼äÔ½³¤ £¬Æä»îÐÔÔ½¸ß £¬Óë»ùÒòµÄ¾àÀëÒ²Ô½½ü £¬Òò¶ø £¬TEºÜÓпÉÄÜΪTFBSÑÝ»¯ÌṩÁËÆÕ±éµÄÐòÁлù´¡ (ͼB) ¡£×îºó £¬Í¨¹ýÓëË®µ¾Äæ¾³ÏìÓ¦»ùÒòÏà±È £¬Ð¡ÂóÌØÒìÐÔÄæ¾³ÏìÓ¦»ùÒòÏÔÖø¸»¼¯ÔÚTE-derived TFBSµÄ°Ð»ùÒòÖÐ £¬ËµÃ÷СÂóÌØÒìÐÔµÄTEÑǼÒ×å¼ÓÈëÁËСÂóת¼µ÷¿ØÍøÂçµÄÖØËܼ°Ð¡ÂóµÄ˳ӦÐÔ½ø»¯£¨Í¼C£© ¡£

¡¡¡¡ÓÀÀû¼¯ÍÅ£¨¹ú¼ÒÉúÎïÐÅÏ¢ÖÐÐÄ£©Ñ¦Ó±ëËù³¤¡¢¸´µ©´óѧÕÅÒ»æºÑо¿Ô±¡¢ÓÀÀû¼¯ÍÅ·Ö×ÓÖ²Îï¿Æѧ׿ԽÁ¢ÒìÖÐÐÄ/ÉϺ£Ö²ÎïÄæ¾³ÉúÎïѧÑо¿ÖÐÐÄÀʕײ©Ñо¿Ô±¡¢ÄϾ©Å©Òµ´óѧÕÅÎÄÀû½ÌÊÚΪÂÛÎĵÄÅäºÏͨѶ×÷Õß ¡£ÓÀÀû¼¯ÍÅ·Ö×ÓÖ²Îï¿Æѧ׿ԽÁ¢ÒìÖÐÐIJ©Ê¿ÉúÕÅÓôÜ¿ºÍÀî×Ӿ격ʿ¡¢ÓÀÀû¼¯ÍÅÒÅ´«Óë·¢ÓýÉúÎïѧÑо¿ËùÕÅÓñ¶ð¸±Ñо¿Ô±¡¢ÄϾ©Å©Òµ´óѧ˶ʿÉúÁÖ¿°µÂΪÂÛÎĵÄÅäºÏµÚÒ»×÷Õß ¡£±¾ÏîÄ¿»ñµÃ¹ú¼Ò×ÔÈ»¿Æѧ»ù½ðÓÅÒìÇàÄê¿Æѧ»ù½ðÏîÄ¿ £¬Á¢ÒìÑо¿ÈºÌåÏîÄ¿ÒÔ¼°ÓÀÀû¼¯ÍÅÕ½ÂÔÏȵ¼Ñо¿ÍýÏëµÄ×ÊÖú ¡£

¡¡¡¡ÂÛÎÄÁ´½Ó

ÓÀÀû¼¯ÍÅ¡¤yl(ÖйúÓÎ)¹Ù·½ÍøÕ¾

·âÃæÎÄÕÂ

ÓÀÀû¼¯ÍÅ¡¤yl(ÖйúÓÎ)¹Ù·½ÍøÕ¾

СÂóÌØÒìת×ù×ÓÖØËÜСÂóÇéÐÎ˳ӦµÄµ÷¿ØÍøÂç

¸½¼þÏÂÔØ£º
¡¾ÍøÕ¾µØͼ¡¿¡¾sitemap¡¿