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Home > ÀüÁ¦Ç°º¸±â > Inducible System ¡¤ Yeast hybrid > [°³¿ä] Yeast Hybrid System > [°³¿ä] Matchmaker Gold Yeast Hybrid System

[°³¿ä] Matchmaker Gold Yeast Hybrid System

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»óÈ£ÀÛ¿ëÇÏ´Â »õ·Î¿î ´Ü¹éÁúÀÇ È®ÀÎ
ClontechÀÇ Matchmaker Gold SystemÀº »õ·Î¿î Protein-protein, Protein-DNA »óÈ£ÀÛ¿ëÀ» È®ÀÎÇÏ°í ±× ±â´ÉÀ» ÆľÇÇϱâ À§ÇÑ ÇÑÃþ ´õ Áøº¸µÈ ±â¼úÀÌ´Ù. Matchmaker Gold Yeast Two-Hybrid SystemÀº yeast¿¡ ¹Î°¨ÇÑ Aureobasidin A (AbA) Ç×»ýÁ¦ ³»¼º (Ab A resistence repoter)°ú µÎ °³ÀÇ ¿µ¾ç ¸®Æ÷ÅÍ (nutritional reporter), blue/white ¼±º°À» ÀÌ¿ëÇÑ 4 °³ÀÇ reportersystemÀ¸·Î ±¸¼ºµÇ¾î ÀÖ¾î °¡Àå ³·Àº background¿Í °£´ÜÇÏÁö¸¸ ¾ö°ÝÇÑscreeningÀ» ÇÒ ¼ö ÀÖ´Ù. (Figure 1).
Matchmaker Gold Yeast One-Hybrid Library Screening SystemÀÇ °æ¿ìµµ protein-DNA »óÈ£ÀÛ¿ëÀ» screening ÇϱâÀ§ÇÏ¿© AbA ³»¼ºÀ» ÀÌ¿ëÇÑ´Ù.

°íÇ°ÁúÀÇ full-length cDNA¸¦ Áõ°¡½ÃÅ°´Â SMART ±â¼ú
ÀϹÝÀûÀÎ ¹æ¹ýÀ¸·Î cDNA¸¦ ÇÕ¼ºÇϸé template RNA°¡ 2Â÷ ±¸Á¶¸¦ Çü¼ºÇÏ¿© cDNAÇÕ¼ºÀ» ¹æÇØÇÏ´Â °æ¿ì°¡ ÀÖ¾î À¯ÀüÀÚÀÇ 5¡¢-¸»´ÜÀÌ ÀϹÝÀûÀ¸·Î ºÒÃæºÐÇÏ°Ô ÇÕ¼ºµÈ´Ù. ÁøÇÙ¼¼Æ÷ÀÇ 5¡¢-¸»´Ü¿¡¼­ÀÇ terminal transferase activity¿Í À̾îÁö´Â SMART switching °úÁ¤ ¶§¹®¿¡ ¿ªÀü»ç ¹ÝÀÀ ½Ã ¸»´Ü±îÁö ÁøÇàµÇÁö ¸øÇÑ ºÒ¿ÏÀü 1st strand cDNA´Â SMART(er) oligonucleotide¿Í °áÇÕÇÏÁö ¸øÇÏ°í PCR¹ÝÀÀ ´Ü°è¿¡¼­´Â ÁõÆøµÇÁö ¸øÇÑ´Ù. ±×·¯¹Ç·Î SMART ±â¼ú·Î ¸¸µé¾îÁö°í ±ä ´ÜÆí ÁõÆø¿ë PCR¿¡ ÀÇÇØ ÁõÆøµÈ cDNA´Â dzºÎÇÑ fulllength cDNA¸¦ ÇÕ¼ºÇÑ´Ù. 5¡¢-SMART(er) ¼­¿­°ú º¯ÇüµÈ oligo dT primer¿¡´Â genomic DNA³ª ribosomal RNA¿¡¼­ Àü»çµÈ cDNA°¡ °áÇÕÇÏÁö ¸øÇϱ⶧¹®¿¡ SMART¸¦ ÀÌ¿ëÇÏ¿© ¸¸µé¾îÁø cDNA´Â genomic DNA³ª rRNAÀ¯·¡ cDNAÀÇ ¿À¿°À» °ÆÁ¤ÇÏÁö ¾Ê¾Æµµ µÈ´Ù.

GAL4 ±â¹ÝÀÇ Yeast Two-Hybrid System
Yeast two-hybrid systemÀº yeast GAL4 Àü»çÀÎÀÚÀÇ Á¶Àý Ư¼ºÀ» ÀÌ¿ëÇÏ´Â ½Ã½ºÅÛÀ¸·Î GAL4 Àü»çÀÎÀÚ´Â ¼­¿­ ƯÀÌÀûÀÎ DNA bining domain (DNA-BD)°ú transcription activation domain (AD)À¸·Î ±¸¼ºµÇ¾î ÀÖ´Ù. Matchmaker½Ã½ºÅÛ¿¡¼­´Â ¸ñÀû ´Ü¹éÁúÀ» DNA-BD¿Í À¶ÇÕÇÏ¿© "bait" ´Ü¹éÁúÀ» ¸¸µé¸ç,¸ñÀû ´Ü¹éÁú°ú »óÈ£ÀÛ¿ëÇÒ °ÍÀ¸·Î »ý°¢µÇ´Â ¹ÌÁöÀÇ ´Ü¹éÁú (cDNA library ÇüÅÂ)Àº GAL4-AD¿Í À¶ÇÕ (fusion)ÇÏ¿© "prey" ´Ü¹éÁú·Î ¹ßÇöµÈ´Ù. ÀÌµé µÎ bait¿Í prey À¶ÇÕ ´Ü¹éÁúÀÌ yeast¿¡¼­ ¹ßÇöµÇ¾î »óÈ£ÀÛ¿ëÇÒ ¶§¸¸ reporter geneÀÇ Àü»ç¸¦ È°¼ºÈ­½Ãų ¼ö ÀÖ´Ù.

4 °³ÀÇ Reporter·Î °­·ÂÇÏ°í ¾ö°ÝÇÑ Screening
Matchmaker Gold SystemÀº yeast (S. cerevisiae)°¡ ¾ÆÁÖ °­ÇÑ Ç×»ýÁ¦ÀÎAbA¿¡ ´ëÇÑ ³»¼ºÀ» reporter·Î »ç¿ëÇÏ´Â À¯ÀÏÇÑ ½Ã½ºÅÛÀÌ´Ù. Bait-prey°¡ »óÈ£ÀÛ¿ëÇϸé AUR1-C reporter geneÀÌ È°¼ºÈ­µÇ¾î AbA Á¸ÀçÇÏ¿¡¼­µµ yeast°¡ »ýÁ¸ÇÒ ¼ö ÀÖ°Ô µÇ¸ç, AUR1-C ¸¦ ¹ßÇö½ÃÅ°Áö ¸øÇÏ´Â yeast´Â Á×°Ô µÇ¹Ç·Î background colonyÀÇ »ýÁ¸À» ¸·À» ¼ö ÀÖ´Ù. Matchmaker GoldÀÇ ³ôÀº Á¤È®¼ºÀº 3 °³ÀÇ ´Ù¸¥ GAL4-responsive promoter¿¡ ÀÇÇÏ¿© Á¶ÀýµÇ´Â 4 °³ÀÇ selectable reporter geneÀ» °¡Áö°í ÀÖ´Â Y2HGold reporter strain¿¡ ÀÇÇØ °¡´ÉÇÏ´Ù. ÀÌ·¯ÇÑ reporterÀÇ Àü·«Àû Á¶ÇÕÀ» ÅëÇÏ¿© °ÅÁþÀ¸·Î GAL4 promoter¿¡ °áÇÕÇÏ´Â prey protein¿¡ ÀÇÇØ ³ªÅ¸³ª´Â false positive colony Á¦°ÅÇÒ ¼ö ÀÖÀ¸¸ç, Åë»ó false positive cloneÀº »óÈ£ÀÛ¿ë¿¡ ÀÇÇÑ Àü»çÁ¶ÀýÀ̶ó±â º¸´Ù´Â 3 °³ Áß ÇϳªÀÇ GAL4 promoter¿¡ Á÷Á¢ prey ´Ü¹éÁúÀÌ ´Üµ¶À¸·Î °áÇÕÇÏ¿© »ý¼ºµÇ´Â °æ¿ì°¡ ¸¹´Ù.

Mate & Plate Library·Î °£ÆíÈ­ÇÑ Screening
ClontechÀº ¹ø°Å·Î¿î library Á¶ÀÛ°ú ´ë±Ô¸ðÀÇ yeast transforamtionÀ» ´ëüÇÒ ¼ö ÀÖ´Â °£´ÜÇÏ°í ½¬¿î "Mate & Plate" Library¸¦ ÆǸÅÇÏ°í ÀÖ´Ù. Mate & Plate ±â¼úÀº °¢°¢ bait ¶Ç´Â prey À¶ÇմܹéÁúÀ» ¹ßÇöÇÏ°í ÀÖ´Â ¼­·Î »ó¹ÝµÇ´Â mating typeÀÇ µÎ haploid yeast strainÀ» mating ½ÃÅ°°í mating strainÀ» ¼±Åà ¹èÁö »ó¿¡ µµ¸»ÇÏ´Â °ÍÀ¸·Î ±¸¼ºµÇ¾î ÀÖ´Ù. Y2HGold bait reporterstrain (MAT¥á mating type)Àº pGBKT7-bait plasdmid·Î ÇüÁú Àüȯ½ÃÄÑ ¸¸µé ¼ö ÀÖ´Ù. Mate & Plate library´Â Y187 MAT¥á¿¡ cDNA library¸¦ ¹Ì¸® transforamtion½ÃÄÑ prey ´Ü¹éÁúÀ» ¹ßÇöÇÏ°í ÀÖ¾î, Y2HGoldÀÇ mating ÆÄÆ®³Ê·Î ÀûÇÕÇÏ´Ù. ÀڽŸ¸ÀÇ library¸¦ Á÷Á¢ Á¦ÀÛÇÏ°íÀÚ ÇÑ´Ù¸é ClontechÀÇ Æí¸®ÇÑ Make Your Own "Mate & Plate" Library SystemÀ» »ç¿ëÇÏ¸é µÈ´Ù.

´Ù¾çÇÑ µµ±¸¿Í ½Ã½ºÅÛ
Matchmaker ´Ü¹éÁú ºÐ¼® ±â¼úÀº protein-protein ¶Ç´Â protein-DNA°£ »óÈ£ÀÛ¿ëÀÇ ¿¬±¸¸¦ À§ÇÑ ¿Ïº®ÇÑ Á¦Ç° ¶óÀÎÀ» Á¦°øÇÑ´Ù. Yeast¿¡¼­ È®ÀÎµÈ »óÈ£ÀÛ¿ëÀ» ÇÑ ¹ø ´õ È®ÀÎÇϱâ À§Çؼ­´Â Matchmaker Chemiluminescent Co-IP Kit¿Í Æ÷À¯·ù two-hybrid ºÐ¼®À» À§ÇÑ Matchmaker Mammalian Assay Kit 2¸¦ Æ÷ÇÔÇÑ ´Ù¾çÇÑ ºÎ°¡ÀûÀÎ ¹æ¹ý°ú ±â¼úÀ» »ç¿ëÇÒ ¼ö ÀÖ´Ù.

Figure 1. Matchmaker Gold Yeast Two-Hybrid System design. Libraryderived,transcription-activating prey fusion proteins that interact with the DNA-binding bait fusion protein activate the expression of reporter genes.