M13 - a filamentous phage
# M13 - a filamentous phage
* M13 DNA moleculeÀº ¥ë genomeº¸´Ù ´õ ÀÛ´Ù. 6407 nuclotides in length
* circular, Àüü°¡ single-stranded DNA·Î ±¸¼º
* sexual conjugation µ¿¾È M13 DNA moleculeÀÌ E.coli ¾ÈÀ¸·Î insertion ÇϱâÀ§Çؼ± µÎ cellÀ» connectÇØÁÖ´Â structureÀÎ pilus°¡ ÇÊ¿äÇÏ´Ù.
* cell ¾ÈÀÇ single stranded moleculeÀº complementary strandÀÇ synthesis¸¦ À§ÇÑ template ¿ªÇÒÀ» ÇÑ´Ù. --> double stranded DNA°¡ »ý¼ºµÊ
* ÀÌ DNA moleculeÀº bacterial genome¿¡ insertionµÇÁö ¾ÊÀ¸¸ç, cell ¾È¿¡ 100 copy°¡ µÉ¶§±îÁö replicate µÈ´Ù.
* bacteriumÀÌ divideµÉ ¶§, °¢ daughter cellÀº phage genomeÀÇ copy¸¦ ¹Þ¾Æ replicate¸¦ °è¼ÓÇϸç, cell ´ç phage genomeÀÇ Àüü ¼ö¸¦ À¯ÁöÇÑ´Ù.
# The attraction of M13 as a cloning vehicle
* cloning vehicle¿¡ ±âº» : less 10kb in size --> desirable potential vectorÀÇ range
* M13 genomeÀÇ double-stranded replicative form(RF)Àº plasmid¿Í Èí»çÇÏ°Ô Çൿ
* infected E.coli cell culture¿¡¼ ½±°Ô Á¦Á¶µÇ°í, transfection¿¡ ÀÇÇØ reintroduced µÉ ¼ö ÀÖ´Ù.
* M13-based vector·Î cloneµÈ geneÀº single stranded DNA formÀ¸·Î ¾òÀ» ¼ö ÀÖ´Ù. --> DNA sequencing, in vitro mutagenesis¿¡ ÀÌ¿ëÇÑ´Ù.
* ¿À¿µ¹Î´Ô¿¡ ÀÇÇؼ °Ô½Ã¹° À̵¿µÇ¾ú½À´Ï´Ù (2004-05-08 18:09)
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