LacZ & Beta-Gal Vectors and Assay Kit
Beta-galactosidase (the product of the
LacZ gene)´Â ÀϹÝÀûÀ¸·Î transfection È¿À²À» ¸ð´ÏÅÍÇϰųª promoter/enhancer ¿¬±¸¸¦ À§ÇÑ ¸®Æ÷Åͷνá ÀÌ¿ëµÇ°í ÀÖ´Ù.
Clontech¿¡¼´Â
LacZ À¯ÀüÀÚ È°¼ºÀ» °ËÃâÇÒ ¼ö ÀÖ´Â 2°¡Áö ¹æ¹ýÀ» Á¦°øÇÏ°í Àִµ¥ ELISA reader¸¦ ÀÌ¿ëÇÏ´Â colorimetric assay¿Í luminometer¸¦ ÀÌ¿ëÇÏ´Â
chemiluminescent assay ¹æ¹ýÀÌ Àû¿ë °¡´ÉÇÏ´Ù.
- Colorimetric assay(ºñ»öºÐ¼®¹ý): Beta-Galactosidase Staining KitÀº Æ÷À¯·ù¼¼Æ÷¿¡¼ beta-galactosidaseÀÇ ¹ßÇöÀ» colorimetric detection¿¡
ÇÊ¿äÇÑ Á¦Ç°ÀÌ Æ÷ÇÔµÈ ½Ã½ºÅÛÀÌ´Ù. ÀÌ Kit¿¡´Â beta-galactosidase (LacZ geneÀÇ »ê¹°)°¡ X-galÀÇ °¡¼öºÐÇظ¦ ÃËÁøÇÏ¿© ÆĶõ»öÀ» ¶çµµ·Ï ÇÑ´Ù. X-Gal Staining Mix¸¦
ÀÌ¿ëÇÏ¿© °£ÆíÇÏ°Ô ¼¼Æ÷ÀÇ °íÁ¤, ¼¼Á¤°ú ÀÎÅ¥º£À̼ÇÀÌ °¡´ÉÇÏ´Ù. ±×·± ÈÄ ±¤ÇÐÇö¹Ì°æÀ¸·Î °üÂûÇϸé ÆĶõ»öÀ¸·Î ¿°»öµÈ ¼¼Æ÷¸¦ °üÂûÇÒ ¼ö ÀÖ´Ù.
- Chemiluminescent assay(ÈÇÐÀû¹ß±¤ ºÐ¼®¹ý): Luminescent Beta-Galactosidase Reporter System 3 (vectors Æ÷ÇÔ; ÀÌÇÏ Âü°í)°ú Detection Kit
II (½Ã¾à¸¸ Æ÷ÇÔ)´Â ÈÇÐÀû¹ß±¤±âÁú chemiluminescent substrate À» ÀÌ¿ëÇÏ¿© beta-gal activityÀ» Á¤·®ÀûÀ¸·Î ÃøÁ¤ÇÑ´Ù. ÈÇÐÀû¹ß±¤ ½ÅÈ£´Â ¿©·¯ ½Ã°£µ¿¾È
¾ÈÁ¤Çϸç scintillation counter³ª luminometer ¶Ç´Â x-ray film °¨±¤À» ÅëÇØ ÃøÁ¤ÇÒ ¼ö ÀÖ´Ù
Flow chart of a chemiluminescent beta-galactosidase assay.
- LacZ Vectors Clontech¿¡¼´Â LacZ gene¸¦ Æ÷ÇÔÇÏ´Â 3Á¾·ùÀÇ beta-gal mammalian reporter vectors¸¦ Á¦°øÇÑ´Ù.
À¯ÀüÀÚ¹ßÇö½Ã cis-regulatory elementsÀÇ ¿µÇâÀ» ºÐ¼®Çϱ⠽±µµ·Ï ÃÖ´ëÇÑ ´Ù¾çÇÑ vector¸¦ Á¦°øÇÏ°í ÀÖÀ¸¸ç ÀÌ vector´Â transfection È¿°ú¸¦
normalizeÇϴµ¥ ÀÌ¿ëÇÒ ¼ö µµ ÀÖ´Ù.
- pBeta-Gal-Basic (pLacZ-BasicÀ¸·Î º°µµ ÆǸŵȴÙ.)´Â ÁøÇÙ¼¼Æ÷ÀÇ promoter¿Í enhancer sequences°¡ °áÇ̵Ǿî ÀÖ´Ù.
ÀÌ vector´Â negative control·Î ÀÌ¿ëÇϰųª promoter¸¦ »ðÀÔÇÏ¿© Ư¼ºÀ» ºÐ¼®Çϴµ¥ ÀÌ¿ëÇÒ ¼ö ÀÖ´Ù.
- pBeta-Gal-Control (pLacZ-Control·Î º°µµ ÆǸŵȴÙ.)´Â SV40 promoter¿Í enhancer sequences°¡ Æ÷ÇԵǾî ÀÖ¾î positive control·Î ÀÌ¿ëÇϰųª promoters³ª enhancerÀÇ È°¼ºÀ» ºñ±³ÇÏ´Â reference·Î È°¿ëÇÒ ¼ö ÀÖ´Ù.
- pCMV-LacZ´Â human cytomegalovirus immediate early promoter (PCMV IE)·Î beta-galactosidase¸¦ °í¹ßÇöÇÏ´Â mammalian reporter vector·Î reference³ª control plasmid·Î ÀÌ¿ëÇÒ ¼ö ÀÖ´Ù. Beta-galactosidase È°¼ºÀº Luminescent Beta-Gal Detection Kit IIÀ¸·Î °ËÃâ ÇÒ ¼ö ÀÖ´Ù.
- Complete Beta-Gal Reporter System Luminescent Beta-Galactosidase Reporter System 3´Â pBeta-Gal-Basic¿Í pBeta-Gal-Control vectors, ±×¸®°í chemiluminescent assay ½Ã¾àÀ» Æ÷ÇÔÇÏ°í ÀÖ´Ù.
The pBeta gal mammalian reporter vectors.
The pCMV Beta mammalian reporter vector.
Components & Storage Conditions
°¢ Á¦Ç° ±¸¼º¹°°ú º¸°üÁ¶°ÇÀº Certificate of Analysis ¸¦ ÂüÁ¶ÇϽʽÿÀ.
References
1. Bronstein, I. et al. (1989) J. Chemilum. Biolum. 4(1):99-111.