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3Â¥2007-01-18 19:26:45
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1 Èç¹ûÓÐÒ»PCR²úÎÈçºÎ¿Ë¡²¢¼ø¶¨·ÖÎöÖ®? 1. Direct clone into TA vector, then sequence it. for TA vector http://www.invitrogen.com/content/sfs/manuals/topota_man.pdf 2 ¼ÓÈë´ÓÖ²ÎïÖпË¡µ½Ò»¹¦ÄÜδ֪»ùÒòµÄcDNAÐòÁУ¬ÊÔÉè¼ÆÒ»ÊµÑéÖ¤Ã÷¸Ã»ùÒòµÄÉúÎïѧ¹¦ÄÜ¡£ 2. Southern blot and in situ hybridization show the genomic location, northern blot explores the expression pattern, GST or his tag express the protein in vitro -- to obtain protein for biochemical characterization. Protein function could also be predicated by homology search, such as blast for blast: http://0-www.ncbi.nlm.nih.gov.library.vu.edu.au/BLAST/ 3 ÒÑÖªÒ»¶Î³¤¶ÈΪ 1.5KbµÄcDNAÐòÁкÍÓëÖ®¶ÔÓ¦µÄ³¤¶ÈΪ2.5KbµÄ»ùÒò×éÐòÁС£Èç ... 3. By sequence comparison figure out the intron and exon structure, then northern blot to see the expressed gene's length, then 5RACE or 3 RACE. Blast search or protomor, ployA site identification from genomic sequence would be helpful too. for 5RACE http://www.nature.com/nmeth/journal/v2/n8/abs/nmeth0805-629.html for 3 RACE http://www.cmhd.ca/protocols/genetrap_pdf/3'RACE.pdf http://biowww.net/detail-329.html [ Last edited by googleuc on 2007-1-20 at 12:41 ] |
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