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½Ä¹° À¯Àüü ¿¬±¸¿¡¼­ Bacterial Artificial Chromosome LibraryÀÇ È°¿ë°ú Àü¸Á ±è ½Å Á¦ / Ã¥ÀÓ¿¬±¸¿ø ¼­¿ï´ëÇб³ ½Ä¹°ºÐÀÚÀ¯ÀüÀ°Á¾¿¬±¸¼¾ÅÍ Tel. 031-290-2769 Fax. 031-296-2768 E-mail. sjekim@plaza1.snu.ac.kr »ý¸í°øÇÐ »ê¾÷Àº IT »ê¾÷°ú ÇÔ²² 21¼¼±â µé¾î ±¹³»¿ÜÀÇ Á¤ºÎ ¹× »ê¾÷ü¿¡¼­ ¸·´ëÇÑ ÅõÀÚ¸¦ ÇÏ°íÀÖ´Â Áß¿äÇÑ Çٽɻê¾÷ÀÌ´Ù. ¼¼°èÀûÀ¸·Î Á¤º¸È­»ê¾÷ÀÇ ¹ß´ÞÀº Bioinformatics »ê¾÷¿¡ ³î¶ó¿î ¹ßÀüÀ» À¯µµÇÏ¿´°í, À¯Àüü ¿¬±¸¸¦ °¡¼ÓÈ­ÇÏ¿´´Ù. À¯Àüü ¿¬±¸¶õ À¯ÀüÀÚ¿¡ °ü·ÃµÈ ¿°±â¼­¿­ÀÇ °áÁ¤, À¯ÀüÀÚ ±¸Á¶, À¯ÀüÀÚ Áöµµ ÀÛ¼º ¹× ±× ±â´É ºÐ¼® µîÀ» Æ÷ÇÔÇÏ´Â ¾ÆÁÖ Æ÷°ýÀûÀÌ°í ±¤´ëÇÑ ¿¬±¸¹üÀ§¸¦ ÀÏÄ´ ¸»ÀÌ´Ù. ÃÖ±Ù¿¡ ÀÎü À¯Àüü ¿¬±¸´Â ¼±Áø±¹À» Áß½ÉÀ¸·Î 9°³±¹ 24°³ÀÇ ¿¬±¸¼¾ÅÍ°¡ Âü¿©ÇÏ¿© 2003³â±îÁö´Â ÀÎüÀ¯ÀüÀÚ ¿°±â¼­¿­ ºÐ¼® ¿Ï·á¸¦ ¸ñÇ¥·Î ÇöÀç 95%ÀÇ ¿Ï¼ºÀ²À» ÀÚ¶ûÇÏ°í ÀÖ´Ù. ÀÌ·¯ÇÑ À¯Àüü ¿¬±¸¿Í Á¤º¸È­ »ê¾÷ÀÇ ¸¸³²Àº ÀÎü¸¦ ºñ·ÔÇÑ ¿©·¯ Á¾·ùÀÇ »ý¹°ÀÇ À¯ÀüÀÚÀÇ ¿°±â ¼­¿­ ¹× ±¸Á¶¸¦ ºü¸¥ ½Ã°£¿¡ ºÐ¼®ÇÒ ¼ö ÀÖ´Â ¸¹Àº programÀÇ °³¹ßÀ» °¡Á®¿Ô´Ù. ½Ä¹°ÀÇ °æ¿ì, 2000³â Arabidopsis¿Í º­ÀÇ À¯ÀüÀÚ ¿°±â¼­¿­À» ¿ÏÀüÈ÷ ¹àÇô Post-Genome ½Ã´ëÀÇ ¸·À» ¿Ã·È´Ù. À§¿Í °°Àº À¯Àüü ¿¬±¸¿¡ À־ ºü¸¥ À¯ÀüÀÚ ¿°±â¼­¿­ÀÇ ºÐ¼®À» °¡Á®¿Ã ¼ö ÀÖ¾ú´ø Áß¿äÇÑ µµ±¸ÁßÀÇ Çϳª°¡ Bacterial Artificial Chromosome (BAC) LibraryÀÇ °³¹ßÀÌ´Ù. BACÀ̶õ yeast chromosome library¿Í ¸¶Âù°¡Áö·Î 100 kb ÀÌ»óÀÇ Å« À¯ÀüÀÚ ÀýÆíÀ» »ðÀÔÇÒ ¼ö ÀÖÀ¸¸ç YACÀº ÀÌ ÀýÆíÀÌ blunt end ligationÀ¸·Î »ðÀԵǾîÁö³ª, BACÀÇ °æ¿ì´Â sticky end ligationÀ̹ǷΠDNAÀÇ ÀçÁ¶È¯À²ÀÌ »ó´çÈ÷ ³·´Ù. ¶ÇÇÑ ´ëÀå±Õ³»¿¡ plasmid ÇüÅ·ΠÁ¸ÀçÇϱ⠶§¹®¿¡ ±× »ðÀÔµÈ DNAÀÇ preparationÀÌ ¿ëÀÌÇϹǷΠ¿©·¯ °¡Áö ºÐÀÚ »ý¹°ÇÐ ¶Ç´Â À¯ÀüÇп¡ ÀÀ¿ëÀÌ ¿ëÀÌÇÏ´Ù. 1. ±¹³»¿Ü ¿¬±¸µ¿Çâ ±¹¿Ü ¿¬±¸µ¿ÇâÀ» º¸¸é 1994³âµµ¿¡ Rod Wing¹Ú»ç°¡ Human BAC library ±â¼úÀ» ¼ö¼ö¿¡ ÀÌ¿ëÇÏ¿© ½Ä¹°¿¡ óÀ½ µµÀÔÇÏ¿© ¹ßÇ¥ (Woo et al., 1994)ÇÏ¿´´Ù. ¹Ì±¹³»ÀÇ ´ëÇ¥ÀûÀÎ BAC Center·Î´Â Texas A&MÀÇ TAMU¿Í Clemson UniversityÀÇ GUGI¸¦ µé ¼ö ÀÖ´Ù. ÀÌ µÎ ¼¾ÅÍ´Â ¿©·¯ Á¾·ùÀÇ BAC library¸¦ Á¦ÀÛÇÏ¿© º¸À¯ÇÏ´Â ÇÑÆí ÀÇ·Ú¹ÞÀº BAC library¸¦ Á¦ÀÛ, À¯ÀüÀÚÀÇ screeningÇÏ´Â µîÀÇ ¼­ºñ½º ±â´Éµµ °®Ãß°í ÀÖ´Ù. ±¹³» ½Ä¹°Ã¼ BAC library Á¦ÀÛ ÇöȲÀ» º¸¸é Ãʱ⠱¹³» BAC libraryÀÇ ÀÛ¼º ±â¼úÀ» µµÀÔ, Çϱâ À§ÇØ ¸¹Àº ³ë·ÂÀ» ±â¿ï¿´°í, ÇöÀç ¼±µÎÁÖÀÚ¸¦ ´Þ¸®°í ÀÖ´Â 1) ³ó¾÷ °úÇбâ¼ú¿øÀÇ ±è¿ëȯ ¹Ú»çÆÀÀÌ ¹èÃß, °íÃß ±×¸®°í º­ÀÇ BAC library¸¦ ÀÛ¼ºÇÏ¿© º¸À¯ÇÏ°í ÀÖÀ¸¸ç 2) ¼­¿ï´ëÇб³ ½Ä¹°ºÐÀÚÀ¯ÀüÀ°Á¾¿¬±¸¼¾ÅÍ°¡ °íÃßÀÇ ¿ªº´ ÀúÇ×¼º Ç°Á¾ÀÎ Mexican chili CM334 (Yoo et al., 2001)À» 3) Ãæ³²´ë ¿ø¿¹Çаú ÀÓ¿ëÇ¥ ¹Ú»çÆÀÀÌ ¹èÃß¿¡ ´ëÇÑ BAC library¸¦ º¸À¯ÇÏ°í ÀÖ´Ù. 2. BAC libraryÀÇ Á¦ÀÛ BAC libraryÀÇ Á¦ÀÛÀº ¸ÕÀú ½Ä¹°Ã¼·ÎºÎÅÍ ÇÙÀ» ºÐ¸®ÇÑ ´ÙÀ½ Àû´çÇÑ Á¦ÇÑÈ¿¼Ò·Î À߶ó high molecular DNA¸¦ ÁغñÇÑ´Ù. ÁغñµÈ DNA¸¦ Pulse Field Gel Electrophoresis¸¦ ÅëÇØ high molecular DNA¸¦ separation½ÃŲ ÈÄ, Àû´çÇÑ Å©±â ¾à 150 kb ÀÌ»óÀÇ DNA¸¦ elutionÇÏ¿© Çѹø´õ À§ÀÇ stepÀ» °ÅÃÄ high molecular DNA¸¸ ¼±¹ßÇÑ´Ù. ÀÌ DNA ÀýÆíÀ» BAC vector¿¡ ligationÇÏ¿© ´ëÀå±Õ hostÀÎ DH10B¶Ç´Â DH5aα¿¡ ÇüÁúÀüȯÇÏ¿© library¸¦ ¸¸µç´Ù. BAC vector·Î´Â Ãʱ⿡ ¸¸µé¾îÁø pbeloBAC series¿Í pECSBAC4°¡ ¸¹ÀÌ »ç¿ëµÇ¾úÀ¸³ª, plasmidÀÇ copy¼ö°¡ 1-2°³ ¹Û¿¡ Á¸ÀçÇÏÁö ¾Ê¾Æ X-galÀÌ Ã·°¡µÈ ¹èÁö ³»¿¡¼­ blue ¿Í whiteÀÇ ±¸ºÐÀÌ ¿ëÀÌÇÏÁö ¾Ê´Ù. ÃÖ±Ù¿¡´Â LacZ ºÎÀ§°¡ mutationµÇ¾î blue Á¤µµ°¡ »ó´çÈ÷ ³ô¾ÆÁø À¯ÀüÀÚ¸¦ ÀÌ¿ëÇÑ »õ·Î¿î vectorÀÎ pIndigoBACÀÌ °³¹ßµÇ¾î ÀÌ¿ëµÇ°í ÀÖ´Ù (Fig. 1). ÇöÀç ±¹³»¿Ü ¿Ï¼ºµÈ BAC libraryÀÇ À¯¿ë¼ºÀ» °ËÁ¤Çϱâ À§ÇÏ¿© BAC libraryÀÇ average size¸¦ ÃøÁ¤, mitochondria DNA ¶Ç´Â chloroplast DNAÀÇ ¿À¿°Á¤µµ, 1 copy À¯ÀüÀÚÀÇ ¼±¹ß °¡´É¼º µîÀ» ÃøÁ¤ÇÑ´Ù. BAC libraryÀÇ average size¸¦ ÃøÁ¤ (Fig. 2a)ÇÑ ÈÄ, »ðÀÔµÈ DNA°¡ ¿À¿°µÇÁö ¾ÊÀº ÇÙ ³»ÀÇ genomeÀÎÁö ¾Ë±â À§ÇÏ¿© southern blot analysis¸¦ ÅëÇÏ¿© È®ÀÎÇÑ´Ù (Fig. 2b). ÀÌ·¸°Ô È®ÀÎµÈ BAC libraryÀÇ colonyµéÀ» 384 well plate¿¡ Å°¿ö -80¡É¿¡ ÀúÀåÇÏ°í Filter¸¦ ¸¸µé¾î screening ¿ëÀ¸·Î ÁغñÇÑ´Ù. BAC libraryÀÇ colony ¼ö¿Í ½Ä¹°Ã¼ genome size´Â ¾ÆÁÖ Áß¿äÇÑ ¿¬°ü°ü°è°¡ ÀÖ´Ù. Ç¥ 1¿¡¼­ º¸´Â ¹Ù¿Í °°ÀÌ °íÃß´Â arabidopsisÀÇ 27¹è ¹èÃß´Â 5¹è Á¤µµÀÇ genome size¸¦ °¡Áö°í ÀÖ´Ù. Áï, °íÃß´Â genomeÀÇ 10¹è¸¦ coverÇÏ·Á¸é 27¸¸°³ÀÇ average 100 kb BACÀÌ ¿Ï¼ºµÇ¾î¾ß ÇÑ´Ù. 10X coverµÇ´Â BAC libraryÀÇ °æ¿ì 1copy À¯ÀüÀÚ¸¦ ãÀ» È®·üÀÌ 99%¿¡ ´ÞÇÑ´Ù. ÇöÀç BAC libraryÀÇ Á¦ÀÛÀº ¸î¸î ±×·ì¿¡ ÀÇÇÏ¿© º¸ÆíÈ­ µÇ¾î°¡´Â »óÅÂÀÌ´Ù. High molecular weight DNA¸¦ ÁغñÇÏ¿© º¸³»¸é BAC library¸¦ ¸¸µé¾î º¸³»´Â ±¹³»¿Ü ȸ»ç·Î´Â Incyte, Bioneer ±×¸®°í Á¦³ëÅØ µîÀÌ ÀÖ´Ù. 3. À¯Àüü ¿¬±¸¿¡¼­ BAC libraryÀÇ È°¿ë À¯Àüü¿¬±¸¸¦ °¡¼ÓÈ­½ÃŲ ¿©·¯ °¡Áö ¿äÀÎ Áß¿¡ ÃÖ°íÀÇ ¿ªÇÒÀ» ´ã´çÇÏ¿´´ø °ÍÀÌ ¹Ù·Î BAC libraryÀÌ´Ù. Fig. 3¿¡¼­ º¸´Â ¹Ù¿Í °°ÀÌ BAC library´Â Map-based cloning, BAC contigs¸¦ ÀÌ¿ëÇÑ Physical Mapping, BAC-FISH, BACÀ» template·Î ÀÌ¿ëÇÑ Differential Display¸¦ ½Ç½ÃÇÏ¿© ¹ßÇö ƯÀÌÀû À¯ÀüÀÚ cloning, Comparative Genome Hybridization, ±×¸®°í High molecular weight DNA transformation µîÀÌ °¡´ÉÇÏ´Ù. 3-1. Map-based cloning À¯ÀüÇÐÀڵ鿡 ÀÇÇÏ¿© ¿À·§µ¿¾È ¿¬±¸µÇ¾îÁø ƯÁ¤ÇüÁú¿¡ ´ëÇÏ¿© ±× Ç¥Áö ÀÎÀÚ°¡ °³¹ßµÇ¾îÁ® genetic mapÀÌ ¿Ï¼ºµÇ¾î ¿Ô´Ù. À̵é map¿¡ Ç¥½ÄµÈ Ç¥ÁöÀÎÀÚµéÀ» ÀÌ¿ëÇÏ¿© BAC library¸¦ screeningÇÏ°í À¯ÀüÀÚ¸¦ ã¾Æ cloningÇÏ¿© ±× À¯ÀüÀÚÀÇ ±âÀÛÀ» ¿¬±¸Çϴµ¥ ÀÌ BACÀº À¯¿ëÇÏ°Ô ÀÌ¿ëµÈ´Ù. ±× ¿¹·Î º­ÀÇ Xanthomonas ÀúÇ×¼º À¯ÀüÀÚÀÎ Xa21 (Song et al., 1995), TomatoÀÇ Pseudomonas ÀúÇ×¼ºÀÎ Prf gene (Salmeron et al., 1996)µéÀ» µé ¼ö ÀÖ´Ù. º´ ÀúÇ×¼ºÀÎÀÚ »Ó¸¸ ¾Æ´Ï¶ó, Å丶ÅäÀÇ fruit size¸¦ °áÁ¤ÇÏ´Â ÀÎÀÚÀÎ fw 2.2 (Frary et al., 2000) ³ª ¾Æ¶óºñµ½½Ã½ºÀÇ blue light receptorÀÎ NPL1 gene (Kagawa et al.,2001) µî ¸¹Àº À¯ÀüÀÚ°¡ ÀÌ ±â¼úÀ» ÀÌ¿ëÇÏ¿© cloningµÇ°í ÀÖ´Ù. 3-2. Physical Map (BAC contigs) Physical MappingÀ» ¼öÇàÇÏ´Â ¹æ¹ýÀº ¿©·¯ °¡Áö°¡ ÀÖ´Ù. ù°, À¯ÀüÀÚ Áöµµ°¡ ÀÛ¼ºµÇ¾î ÀÖ´Â °æ¿ì´Â ±× À¯ÀüÀÚ Áöµµ¿¡ Ç¥½ÄµÈ ÀÎÀÚÀÇ BAC cloneÀ» ¼±¹ßÇÏ¿© physical mappingÀ» ÇÏ´Â °ÍÀÌ ¿ëÀÌÇÏ´Ù. À¯ÀüÀÚ Áöµµ¶õ, ±³¹èÁ¶ÇÕÀ» ¸¸µé°í À̷κÎÅÍ F2 population ¶Ç´Â RIL populationÀ» ¸¸µé¾î RFLP (Kang et al., 2001), AFLP ¶Ç´Â SSR-based mapping (venter et al., 1997) À» ÀÌ¿ëÇÏ¿© ±× À¯ÀüÀÚ Ç¥½ÄÀ» ¸¸µå´Â °ÍÀÌ´Ù. ÀÌ·¯ÇÑ À¯ÀüÀÚÁöµµ¿¡ Ç¥½ÄµÈ ÀÎÀÚµéÀÇ positive BAC cloneÀ» ¼±º° ±× cloneµéÀ» ³ª¿­ÇÏ¿© contig¸¦ ÀÛ¼ºÇÏ´Â °ÍÀÌ´Ù (Meyer et al., 1998). µÑ°, BAC-end sequencing (venter et al., 1996; boysen et al., 1997) ¹æ¹ýÀ» ÅëÇÏ¿© BAC cloneµéÀÇ overlapµÇ´Â ºÎºÐÀ» ÀÌ¿ëÇÏ¿© contig¸¦ ÀÛ¼º (Gillett et al., 1996; Soderlund et al., 1997)ÇÏ´Â °ÍÀÌ´Ù. ÃÖ±Ù¿¡´Â high-throughput DNA fingerprinting (Marra et al., 1997)¿Í contig assembly (Ding 1999) ¹æ¹ýÀÌ °³¹ßµÇ¾î ¾Æ¶óºñµ½½Ã½º, º­, ¹èÃßÀÇ physical mappingÀÌ ÁøÇàµÇ°í ÀÖ´Ù. ¼Â°, Fig. 4¿¡¼­ º¸´Â °Í°ú °°ÀÌ ÀÌ¹Ì ¾Ë·ÁÁø À¯ÀüÀÚÀÇ positiveÇÑ BAC cloneÀ» ¼±¹ßÇÏ¿© fluorescence in situ hybridization (FISH) (Cai et al., 1995; Hanson et al., 1995; Lapitan et al., 1997; Godard et al., 1999) ¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© chromosome »ó¿¡ ±× À¯ÀüÀÚÀÇ À§Ä¡¸¦ Á¤ÇÏ´Â ¹æ¹ý (Peterson. 1999)ÀÌ ÀÖ´Ù. Áï ¼­·Î ´Ù¸¥ µÎ À¯ÀüÀÚÀÇ ¼ø¼­¸¦ centromere¸¦ Áß½ÉÀ¸·Î ÇÏ¿© chromosome »óÀÇ À§Ä¡¸¦ Á¤ÇÒ ¼ö ÀÖ´Ù. 3-3. BACÀ» template·Î ÀÌ¿ëÇÑ Differential Display ÀÌ ¹æ¹ýÀº ¾ÆÁ÷ ½Ä¹°¿¡¼­ ±× °á°ú³ª ºÐ¼®ÀÌ ¹ßÇ¥µÇÁö ¾Ê¾ÒÀ¸³ª. µ¿¹°¿¡¼­´Â Á¡Â÷ ±× ¹æ¹ýÀÌ ³Î¸® ÀÌ¿ëµÇ¾îÁö°í ÀÖ´Ù. ½ÇÇè¹æ¹ýÀ» ¿ä¾àÇϸé BAC libraryÀÇ cloneµé Áß Æ¯Á¤½Ã°£ ¶Ç´Â ºÎÀ§¿¡¼­ ¹ßÇöÇÏ´Â °ÍÀ» ã¾Æ³»´Â °ÍÀ¸·Î BAC filter¸¦ template·Î ƯÁ¤½Ã°£ ¶Ç´Â ºÎÀ§¿¡¼­ ¹ßÇöÇÏ´Â mRNA¸¦ probe·Î ÇÏ¿© BAC clone¸¦ screeningÇÏ´Â ¹æ¹ýÀÌ´Ù. ÀÌ °æ¿ì´Â cDNA¸¦ ÀÌ¿ëÇÑ differential Display ¹æ¹ý°ú´Â ´Þ¸® ƯÁ¤ºÎÀ§, ƯÁ¤½Ã°£¿¡¼­ ¹ßÇöÇÏ´Â À¯ÀüÀÚÀÇ genomic DNA¸¦ ãÀ» ¼ö ÀÖ´Â °­Á¡À» °¡Áö°í ÀÖ´Ù. ÇÑÆí, Microarray¸¦ ÀÌ¿ëÇÏ¿© °¢°¢ÀÇ BAC clone¿¡ ´ëÇÑ expression profileÀ» ÀÛ¼ºÇÒ ¼ö ÀÖ´Ù. 3-4. DNA chipÀ» ÀÌ¿ëÇÑ Comparative Genome Hybridization (CGH) µ¿¹°¿¡¼­ C. elegance¿Í MouseÀÇ À¯Àüü Â÷À̸¦ ¾Ë¾Æº¸±â À§ÇÏ¿© ½Ç½ÃÇÑ ¿¬±¸·Î µÑ Áß ÇϳªÀÇ BAC cloneÀ» ÀÌ¿ëÇÑ DNA chipÀ» Á¦ÀÛÇÑ ÈÄ, ±× ³ª¸ÓÁö genomic DNA·Î hybridizationÀ» ½Ç½ÃÇÏ¿© template genome»ó¿¡ Á¸ÀçÇÏÁö ¾Ê´Â BAC clone¸¦ ºÐ¼®ÇÏ´Â ¹æ¹ýÀÌ´Ù. ÇöÀç ¹Ì±¹¿¡¼­ ½Ä¹°ÀÇ °¡Áö°ú¿¡ ¼ÓÇÏ´Â °¨ÀÚ, °íÃß, ±×¸®°í Å丶Å並 comparative mappingÀ» ½Ç½ÃÇÏ´Â °úÁ¦ÀÇ ÀϺηΠArabidopsis¿Í ºñ±³ÇÏ´Â comparative genomic hybridizationÀ» ½Ç½ÃÇÒ °èȹÀÌ ÀÖ´Ù. 3-5. High molecular weight DNA transformation BAC library¿¡ Æò±Õ DNA insert size´Â 100kb ÀÌ»óÀÌ´Ù. ¾î¶² Èï¹ÌÀÖ´Â À¯ÀüÀÚÀÇ BAC cloneÀ» ¼±¹ßÇÏ¿´À» °æ¿ì, ½Ä¹°Ã¼¿¡ ÇüÁúÀüȯÇϱâ À§ÇÏ¿© subcloning À̶ó´Â ´Ü°è¸¦ °ÅÃÄ¾ß ÇÑ´Ù. ÀÌ ´Ü°è¸¦ °ÅÄ¡´Â µ¿¾È °è¼ÓÀûÀÎ ¼±¹ßÀÌ ÀÌ·ç¾îÁ®¾ß ÇϹǷΠ¸¹Àº ³ëµ¿·Â°ú ½Ã°£À» ÇÊ¿ä·Î ÇÑ´Ù. ÀÌ·¯ÇÑ stepÀ» ´ÜÃàÇϱâ À§ÇÏ¿© Hemilton (1998) µîÀº BIBAC systemÀ» °³¹ßÇÏ¿´°í Choi (2000) µîÀº site specific recombinationÀ» ÀÌ¿ëÇÑ BACwich systemÀ» °³¹ßÇÏ¿´À¸³ª ±× ÀÌ¿ëÀÌ È¿À²ÀûÀ¸·Î ÀÌ·ç¾îÁöÁö ¾Ê°í ÀÖ´Ù. ±×·¯¹Ç·Î »õ·Î¿î vectorÀÇ °³¹ßÀÌ ¿ä±¸µÈ´Ù. 4. ¾ÕÀ¸·Î BAC libraryÀÇ Àü¸Á ±¹³»¿Ü À¯Àüü»ç¾÷ÀÇ Áß¿äµµ°¡ ºÎ°¢µÇ¸é¼­ À¯Àüü ¿¬±¸ »ç¾÷¿¡ ÀÖ¾î ´ë±Ô¸ðÀÇ BAC library constructionÀÌ ÀÌ·ç¾îÁú °ÍÀ¸·Î ¿¹»óµÈ´Ù. ¹Ì»ý¹°°ú °°ÀÌ genome size°¡ ÀÛÀº °æ¿ì¿¡´Â shotgun library¸¦ Á¦ÀÛÇÏ¿© Full genomeÀ» sequencingÇÏ´Â °ÍÀº °¡´ÉÇϳª °¢°¢ÀÇ À¯ÀüÀÚ¸¦ cloningÇÏ°í shotgun libraryÀÇ gapÀ» º¸¿ÏÇϱâ À§ÇÏ¿© BACÀº ÇʼöÀûÀÌ´Ù. ½Ä¹° À¯Àüü¿¬±¸ÀÇ °æ¿ì genome size°¡ Å©±â ¶§¹®¿¡ BAC libraryÀÇ construction ÈÄ, contig ÀÛ¼ºÀÌ ÀÌ·ç¾îÁ®¾ß ÇÑ´Ù. ¶ÇÇÑ °Å´ëÀ¯ÀüÀÚ ÇüÁúÀüȯ ±â¼úÀÇ ¹ß´ÞÀº ½Ä¹°ÀÇ 2Â÷ ´ë»ç »ê¹°°ú °°ÀÌ ÇϳªÀÇ À¯ÀüÀÚ°¡ ¾Æ´Ñ ¿©·¯ °¡Áö metabolic pathway¿¡ °ü·ÃµÈ gene cluster¸¦ ¸¸µé¾î ½Ä¹°Ã¼¿¡ µµÀÔÇÏ´Â °ÍÀÌ °¡´ÉÇÒ °ÍÀ¸·Î »ç·ÁµÈ´Ù. ½Ä¹°ºÐÀÚÀ°Á¾À̶ó´Â ÇÁ·ÐƼ¾î »ç¾÷ÀÌ 2001³â ÈĹݱ⿡ ½ÃÀ۵Ǹ鼭 ÀÌ ±â¼úÀº ºÐÀÚÀ°Á¾¿¡ Áß¿äÇÑ µµ±¸·Î »ç¿ëµÇ¾î Áú °ÍÀÌ´Ù. 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G., Kerlavage, A. R., Smith, H. O. and Hunkapiller, M. (1998) Shotgun sequencing of the human genome. Science 280: 540-1542. 15. Woo, S.-S., Jiang, J., Gill, B. S., Paterson, A. H. and Wing, R. A. (1994) Construction and characterization of a bacterial artificial chromosome library of Sorghum bicolor. Nucleic Acids Res. 22: 4922-4931. ÀúÀÚ¾à·Â : 1994 ¼­¿ï´ëÇб³ ½Ä¹°ºÐÀÚÀ¯ÀüÇÐ ¹Ú»ç 1995-1996 ¼­¿ï´ëÇб³ Institute of Agricultural Science & Development, ¿¬±¸¿ø 1996-1998 Department of Vegetable Crops, University of California, Davis ¿¬±¸¿ø 1999-ÇöÀç ½Ä¹°ºÐÀÚÀ¯ÀüÀ°Á¾ ¿¬±¸¼¾ÅÍ Ã¥ÀÓ¿¬±¸¿ø
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