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±Ø¼Ò·®, Long Read mRNA ºÐ¼®, ONT Àû¿ë °¡´É

Long Read mRNA-Seq Kit

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Clontech
634377
SMART-Seq¢ç mRNA Long Read
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24 Rxns
2,163,000¿ø  Á¦Á¶»ç ÆäÀÌÁö·Î ¹Ù·Î°¡±â x349087, x350385
Clontech
634376
SMART-Seq¢ç mRNA Long Read
°ü·ÃÇмú ±¸¸ÅÇϱâ new
96 Rxns
6,693,000¿ø  Á¦Á¶»ç ÆäÀÌÁö·Î ¹Ù·Î°¡±â

  • ±Ø¼Ò·® »ùÇÿ¡¼­ ¶Ù¾î³­ °¨µµ·Î Oxford Nanopore Technologies (ONT)·Î long read sequencing °¡´É
  • ¼¼Æ÷ (1~1,000 °³) ¶Ç´Â total RNA (10 pg~100 ng)¿¡¼­ ¹ÙÄڵ尡 ºÎÂøµÈ long read¿ë cDNA ÇÕ¼º
  • °íǰÁú long read sequencing µ¥ÀÌÅÍ - Æò±Õ read ±æÀÌ ÃÖ´ë 2 kb (N50)¸¦ È®º¸, 8 kb ÀÌ»óÀÇ full-length transcripts °¨Áö
  • Seamless integration of barcodes - Single-tube long read library¿ë cDNA¸¦ ÃÖ´ë 96°³ multiplex °¡´É
  • Streamlined sample demultiplexing - ONT ½Ã½ºÅÛÀÇ basecaller¿Í ȣȯµÇ´Â Æí¸®Çϰí È¿À²ÀûÀÎ ¿öÅ©Ç÷οì
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SMART-Seq¢ç mRNA Long Read´Â long read sequencing¿ë cDNA¸¦ ÇÕ¼ºÇÏ´Â Á¦Ç°À¸·Î ƯÈ÷ ±Ø¼Ò·® »ùÇÿ¡¼­ whole transcriptome ÇØ¼®¿¡ ÀûÇÕÇÏ´Ù. 10 pg~100 ngÀÇ total RNA (RIN>8) ¶Ç´Â 1~1,000°³ÀÇ intact cell¿¡¼­ oligo dT primer¸¦ ÀÌ¿ëÇØ full-length cDNA¸¦ ÇÕ¼ºÇϰí À̾î barcoded primer¸¦ ÀÌ¿ëÇØ cDNA¸¦ ÁõÆøÇÔÀ¸·Î½á ÃÖ´ë 96°³ÀÇ barcoded cDNA library¸¦ Á¦ÀÛÇÒ ¼ö ÀÖ´Ù. Oxford Nanopore Technologies (ONT) Ç÷§Æû¿¡¼­ adapter ligation, library preparation (Ligation Sequencing Kit V14, Code SQK-LSK114) ¹× long read sequencingÀ» ¼öÇàÇÒ ¼ö ÀÖ´Ù. º» Á¦Ç°À» ÅëÇØ low input »ùÇÃÀÇ ONT library preparationÀ» À§ÇÑ multiplexingÀÌ °¡´ÉÇϸç, ¾à 2 kbÀÇ Æò±Õ read-length (N50)¸¦ ¾ÈÁ¤ÀûÀ¸·Î »ý¼ºÇϰí 8 kbÀÌ»óÀÇ full-length transcripts ºÐ¼®ÀÌ °¡´ÉÇÏ´Ù.

ONT library preparationÀ» À§ÇÑ cDNA ÇÕ¼º, ¹ÙÄÚµå ºÎ°¡, ³óÃà ¹× ¹ÙÄڵ尡 ºÎÂøµÈ cDNA pooling µîÀ» Æ÷ÇÔÇÑ Àüü ÇÁ·ÎÅäÄÝÀ» 1.5ÀÏ À̳»¿¡ ¿Ï·áÇÒ ¼ö ÀÖÀ¸¸ç, ÀÚµ¿È­ ¹× small scale ¸ðµÎ¿¡ ÀûÇÕÇÏ´Ù. º» Á¦Ç°À¸·Î ¼öÁýÇÑ µ¥ÀÌÅÍ´Â ´ç»ç¿¡¼­ Á¦°øÇÏ´Â ÇÁ·ÎÅäÄݰú ÆÄÀÏÀ» »ç¿ëÇÏ¿© ½±°Ô demultiplexingÀÌ °¡´ÉÇϸç, ONT »çÀÇ Dorado basecaller¿Í ÇÔ²² »ç¿ëÇÒ ¼ö ÀÖ´Ù.
cDNA ÇÕ¼ºÀº SMART (Switching Mechanism At 5¡¯ End of RNA Template)¹ýÀ» »ç¿ëÇÏ¿© ³ôÀº È¿À²·Î full-length cDNA ÇÕ¼º ¹× transcript isoforms, gene fusion, point mutations µîÀÇ ºÐ¼®ÀÌ °¡´ÉÇÏ´Ù. SMART¹ýÀº °¨µµ¿Í ÀçÇö¼ºÀÌ ¸Å¿ì ³ô±â ¶§¹®¿¡ »ùÇÃÀÇ input ¾çÀÌ ÀûÀ» °æ¿ì¿¡µµ ´Ù¸¥ ¹æ¹ý¿¡ ºñÇØ ´õ ¸¹Àº À¯ÀüÀÚ¸¦ ½Äº°ÇÒ ¼ö ÀÖ´Ù. º» Á¦Ç°À» ÀÌ¿ëÇϸé, ³ôÀº ÀçÇö¼º, ±ÕÀÏÇÑ Ä¿¹ö¸®Áö ¹× GC-rich transcriptsÀÇ Á¤È®ÇÑ °ËÃâÀÌ °¡´ÉÇÏ´Ù.


±×¸² 1. SMART-Seq¢ç mRNA Long Read kitÀÇ ¿öÅ©Ç÷οì
SMART¹ýÀ» »ç¿ëÇÏ¿© full-length cDNA¸¦ ÇÕ¼ºÇϰí PCR·Î cDNA¸¦ ÁõÆøÇÑ´Ù. »ùÇÃÀ» poolingÇϰí ONT»çÀÇ Ligation Sequencing Kit V14 (Code SQK-LSK114)¸¦ ÀÌ¿ëÇØ ¸»´Ü ó¸®, adapter ºÎ°¡, sequencingÀ» ½Ç½ÃÇÑ´Ù. Sequencing ÈÄ, ONT»çÀÇ Guppy¸¦ »ç¿ëÇØ basecall ¹× demultiplexingÀ» ½Ç½ÃÇϰí Cutadapt, Minimap2, SAMtools, Bedtools, Salmon µîÀ» ÀÌ¿ëÇØ µ¥ÀÌÅ͸¦ ÇØ¼®ÇÑ´Ù.


±×¸² 2. SMART-Seq¢ç mRNA Long Read¿¡ ÀÇÇØ ÇÕ¼ºµÈ barcoded cDNA Å©±â ºÐÆ÷
SMART-Seq¢ç mRNA Long Read¸¦ ÀÌ¿ëÇØ 10 pg°ú 10 ng mouse brain total RNA (n=8)·ÎºÎÅÍ cDNA¸¦ ÇÕ¼ºÇϰí Agilent High Sensitivity DNA Kit¸¦ ÀÌ¿ëÇØ 2100 Bioanalyzer (Agilent Technologies)·Î cDNAÀÇ Å©±â ºÐÆ÷¸¦ ÃøÁ¤Çß´Ù. (A) barcoded cDNA´Â inputº°·Î pooling ÇÏ¿´°í, Ligation Sequencing Kit V14¸¦ ÀÌ¿ëÇØ library prep ÈÄ MinION Flow Cell¿¡¼­ 72½Ã°£ sequencing ÇÏ¿´´Ù. ONT »çÀÇ Guppy¸¦ ÀÌ¿ëÇØ basecall ¹× demultiplexing ÈÄ MS-ExcelÀ» ÀÌ¿ëÇØ read-length ºÐÆ÷¸¦ ½Ã°¢È­ ÇÏ¿´´Ù. (B) 10 pg ¹× (C) 10 ngÀÇ mouse brain total RNAÀÇ ´ëÇ¥ÀûÀÎ »ùÇÃÀÇ read-length ºÐÆ÷¸¦ Ç¥½ÃÇÏ¿´´Ù.


±×¸² 3. SMART-Seq¢ç mRNA Long Read¿¡ ÀÇÇØ Á¦Á¶µÈ library readÀÇ ±¤¹üÀ§ÇÑ ºÐÆ÷ ¹× ³ôÀº °¨µµ
mRNA Long Read¸¦ ÀÌ¿ëÇØ 10 pg°ú 10 ngÀÇ mouse brain total RNA·ÎºÎÅÍ cDNA¸¦ ÇÕ¼ºÇØ library¸¦ Á¦Á¶Çß´Ù. Sequencing ÈÄ, ONT»çÀÇ Guppy¸¦ ÀÌ¿ëÇØ basecall ¹× demultiplexing ÈÄ °¢°¢ÀÇ ¹ÙÄÚµå ´ç 400,000 read·Î ´Ù¿î»ùÇøµÇÏ¿´´Ù. (A) LibraryÀÇ total read ºÐÆ÷´Â ¾î´À input ¾ç¿¡¼­µµ ÀϰüµÈ ¼º´ÉÀ» º¸¿©ÁØ´Ù. (10 ngÀÇ °æ¿ì n=8, 10 pgÀÇ °æ¿ì n=7) (B, C) À¯ÀüÀÚ ¹× Àü»ç »ê¹°ÀÇ °ËÃâ °¨µµ¸¦ Æò°¡Çϱâ À§ÇØ ´Ù¿î»ùÇøµÇÏ¿© ºñ±³ÇÑ °á°ú, (B) 10 pg, (C) 10 ng ¸ðµÎ read depth¿¡¼­ °í°¨µµ·Î À¯ÀüÀÚ (Genes) ¹× Àü»çü (Transcripts)°¡ °ËÃâµÇ¾ú´Ù.


±×¸² 4. SMART-Seq¢ç mRNA Long ReadÀÇ Ä¿¹ö¸®Áö
10 pg ¹× 10 ngÀÇ MBR »ùÇÃÀ» 8ȸ ¹Ýº¹ÇÏ¿© À¯ÀüÀÚ Àüü coverage¸¦ Æò°¡ÇÑ °á°ú, 10 pgÀÇ ±Ø¼Ò·® input¿¡¼­µµ ³ôÀº Ä¿¹ö¸®Áö¿Í ±ÕÀÏÇÑ °á°ú¸¦ ¾òÀ» ¼ö ÀÖ¾ú´Ù.


±×¸² 5. ¼¼Æ÷ »ùÇÿ¡¼­ SMART-Seq¢ç mRNA Long Read¿¡ ÀÇÇØ Á¦Á¶µÈ library read ºÐÆ÷ ¹× °¨µµ
SMART-Seq¢ç mRNA Long Read¸¦ ÀÌ¿ëÇØ single cell°ú 1,000°³ÀÇ K562 cell·ÎºÎÅÍ cDNA¸¦ ÇÕ¼ºÇØ library¸¦ Á¦Á¶Çß´Ù. Sequencing ÈÄ, ONT»çÀÇ Guppy¸¦ ÀÌ¿ëÇØ basecall ¹× demultiplexingÀ» ÁøÇàÇÏ¿´°í °¢°¢ÀÇ ¹ÙÄÚµå ´ç 300,000 read·Î ´Ù¿î»ùÇøµÇÏ¿´´Ù. (A) Æò±Õ À¯ÀüÀÚ ¼ö¸¦ ¸·´ë±×·¡ÇÁ¿¡ Ç¥½Ã (Single cellÀÇ °æ¿ì n=8, 1,000°³ÀÇ K562 cellÀÇ °æ¿ì n=2) (B) ÇǾ »ó°ü°ü°è¸¦ °è»ê (single cell n=8ÀÇ À¯ÀüÀÚ matrix¿¡¼­ »êÃâ) (C) Single K562 cellÀÇ ´Ù¿î»ùÇøµ ºÐ¼® °á°ú, read depth ´ç À¯ÀüÀÚ (genes) ¹× Àü»çü (transcripts) ¼ö°¡ °í°¨µµ·Î °ËÃâµÇ¾ú´Ù.


±×¸² 6. SMART-Seq¢ç mRNA Long Read¸¦ ÀÌ¿ëÇϸé full-length isoform°ú gene fusion °ËÃâ °¡´É
SMART-Seq¢ç mRNA Long ReadÀÇ ¿öÅ©Ç÷ο쿡 µû¶ó 10 pg mouse brain total RNA¿Í K562 single cell¿¡¼­ cDNA¸¦ ÇÕ¼ºÇÏ¿© library prep ¹× sequencingÀ» ¼öÇàÇß´Ù. ONT »çÀÇ Guppy¸¦ ÀÌ¿ëÇØ basecall ¹× demultiplexing ÈÄ Minimap2¸¦ ÀÌ¿ëÇØ alignment¸¦ ½Ç½ÃÇß´Ù. 10 pg mouse brain total RNA¿¡¼­ °ËÃâµÈ (A) Snap25¿Í (B) Nbr1ÀÇ full-length isoformsÀ» IGV·Î ½Ã°¢È­ÇÑ °á°ú. (C) K562 single cell¿¡¼­ °ËÃâµÈ NUP214::XKR3 gene fusionsÀ» IGV·Î ½Ã°¢È­ÇÑ °á°ú.
ÀÚ¼¼ÇÑ ±¸¼ºÀº CoA¸¦ Âü°íÇϼ¼¿ä.

Keyword :

mRNA-Seq (Single cell)
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±Ø¼Ò·®, Long Read mRNA ºÐ¼®, ONT Àû¿ë °¡´É
Long Read mRNA-Seq Kit