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huojinlong9287

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ΪÁ˹¹½¨ÂÌɫӫ¹âµ°°×AcGFP1»ùÒòµÄÔ­ºË±í´ïÔØÌåpET32a-AcGFP1£¬²¢Í¨¹ýÓÕµ¼Ê¹ÆäÔڴ󳦸˾úÖиßЧ±í´ï£¬±¾Ñо¿ÒÔpIRES-AcGFP1ÖÊÁ£ÎªÄ£°å£¬²ÉÓÃPCR¼¼ÊõÌØÒìÐÔÀ©ÔöÂÌɫӫ¹âµ°°×£¨AcGFP1£©»ùÒò£¬²¢Í¨¹ýøÇкÍÁ¬½ÓʹÆäÓëÔ­ºË±í´ïÔØÌåpET32a£¨+£©¹¹³ÉÖØ×é×Ó£¬¾­PCR¡¢Ã¸ÇкͲâÐò¼ø¶¨ºó£¬ÖØ×éÖÊÁ£×ª»¯´ó³¦¸Ë¾úRosetta£¨DE3£©£¬Óò»Í¬Å¨¶ÈµÄÒì±û»ùÁò´ú°ëÈéÌÇÜÕ£¨IPTG£©ÓÕµ¼±í´ïÂÌɫӫ¹âµ°°×£¬²¢Í¨¹ý15%SDS-PAGE¼ø¶¨¡£½á¹ûÏÔÊ¾ÖØ×éÖÊÁ£pET32a-AcGFP1ÖеÄAcGFP1ÐòÁÐÓëClontech¹«Ë¾µÄpIRES-AcGFP1ÖÊÁ£µÄAcGFP1ÐòÁÐÍêȫһÖ£¬ËµÃ÷³É¹¦¹¹½¨Á˺¬ÓÐÂÌɫӫ¹âµ°°×AcGFP1µÄÔ­ºË±í´ïÖÊÁ£¡£pET32a-AcGFP1ת»¯´ó³¦¸Ë¾ú¸ÐÊÜ̬ϸ°ûRosetta£¨DE3£©ºó£¬¾­²»Í¬Å¨¶ÈµÄIPTGÓÕµ¼ºó¾ù»ñµÃ¸ßЧ±í´ï¡£SDS-PAGEÑéÖ¤µÄÄ¿µÄµ°°×Ïà¶Ô·Ö×ÓÁ¿Ô¼Îª44000Da£¬ÓëÀíÂÛÔ¤ÆÚÖµÏà·û¡£

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°®ÓëÓêÏÂ(½ð±Ò+2): ¹ÄÀøÒ»Ï£¡~ 2011-09-09 12:08:09
huojinlong9287(½ð±Ò+60, ·­ÒëEPI+1): ·­ÒëµÄ²»ÍêÈ« 2011-09-11 09:22:48
sltmac(½ð±Ò+10): 2011-09-15 08:02:01
sltmac(½ð±Ò+10): 2011-09-15 08:02:05
sltmac: »¶Ó­³£À´±¾°æ½»Á÷~ 2011-09-15 08:02:14
The aim of this study was to construct prokaryotic expression vector pET32a-AcGFP1, and its high level expression in E. coli cell. AcGFP1 gene was amplified from vector pIRES-AcGFP1 by PCR method, and was inserted into prokaryotic expression vector pET32a(+). The resulting pET32a-AcGFP1 was transformed into E. coli Rosetta(DE3) for expression followed by induction with isopropyl ¦Â-D-thiogalactopyranoside (IPTG). Whole-cell extracts were separated on 15% SDS-PAGE. AcGFP1 gene in pET32a-AcGFP1 was consistent with related gene in pIRES-AcGFP1 from Clontech Ltd, indicating prokaryotic expression vector with AcGFP1 gene was constructed successfully. High level expression was conducted with transformed E. coli Rosetta(DE3) after IPTG induction. A strong induction of a 44 kD protein was detected in SDS-PAGE, which was in correspondence with the theoretic value.
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