SMART¢ç ±â¼ú
SMART¢ç (Switching Mechanism at the 5¡¯ end of RNA Template) ±â¼úÀº
¿ªÀü»çÈ¿¼Ò (RTase)ÀÇ 1st strand cDNA ÇÕ¼ºÀÌ RNAÀÇ 5' ¸»´Ü¿¡ À̸£·¶
À» ¶§, Non-templated nucleotides (±×¸² 1ÀÇ XXXXX)¸¦ ºÎ°¡ÇÏ´Â È°¼º
(Terminal transferase activity)À» ÀÌ¿ëÇÑ´Ù. ºÎ°¡µÈ Non-templated
nucleotides¿¡ µ¶ÀÚ±â¼ú·Î °³¹ßÇÑ SMARTer
¢ç switching oligo°¡ ƯÀÌÀûÀ¸
·Î °áÇÕÇϸç, À̸¦ ÁÖÇüÀ¸·Î cDNA ÇÕ¼ºÀ» Áö¼ÓÇÏ¿© ¾ç ¸»´Ü¿¡ SMARTer
¢ç
Adapter°¡ ºÎ°¡µÈ 1st strand cDNA ÇÕ¼ºÀ» ¿Ï·áÇÑ´Ù (Template
switching activity).
SMART¢ç ±â¼úÀº º°µµÀÇ ligation °úÁ¤ ¾øÀÌ 1st strand cDNA ÇÕ¼º °úÁ¤ Áß
adapter¸¦ ºÎ°¡ÇÒ ¼ö ÀÖÀ¸¸ç, ÀÌ adapter¸¦ ÀÌ¿ëÇÏ¿© 1st strand cDNA¿¡
¼¸¸ À¯·¡µÈ full-length double strand cDNA¸¦ ¾òÀ» ¼ö ÀÖ´Ù.
SMART¢ç ±â¼úÀÇ ÀåÁ¡
- ¸Å¿ì ³ôÀº °¨µµ¿Í ÀçÇö¼º: ±Ø¼Ò·®, ¼Ò·® »ùÇà ´ëÀÀ
- Full-length double strand cDNA ÇÕ¼º
- °íÇ°ÁúÀÇ sequencing library Á¦ÀÛ °¡´É
- °£´ÜÇÑ ÇÁ·ÎÅäÄÝ: ligation, enzyme cocktail ó¸® ºÒÇÊ¿ä
SMART¢ç ±â¼úÀÇ Àû¿ë
SMART
¢ç ¹ýÀ» ÀÌ¿ëÇϸé 1st strand cDNA ÇÕ¼º °úÁ¤ Áß¿¡ adapter¿Í °°Àº
ƯÁ¤ ¼¿À» °£ÆíÇÏ°Ô ºÎ°¡ÇÒ ¼ö ÀÖ¾î, ´Ù¾çÇÑ ½ÇÇè¿¡ Àû¿ë °¡´ÉÇÏ´Ù.