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Home > ÀüÁ¦Ç°º¸±â > Genome Editing > À¯ÀüÀÚ ÆíÁý ÈÄ È®ÀÎ > ¿°±âġȯ, »ðÀÔ º¯ÀÌ °ËÃâ
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Clontech
632659
Guide-it¢â Knockin Screening Kit
°ü·ÃÇмú ±¸¸ÅÇϱ⠶óÀ̼±½º 
100ȸ
(Package)
803,000¿ø  Á¦Á¶»ç ÆäÀÌÁö·Î ¹Ù·Î°¡±â x106428
Clontech
632660
Guide-it¢â Knockin Screening Kit
°ü·ÃÇмú ±¸¸ÅÇϱ⠶óÀ̼±½º 
400ȸ
(Package)
2,080,000¿ø  Á¦Á¶»ç ÆäÀÌÁö·Î ¹Ù·Î°¡±â

  • [Tool] Oligo design tool for Guide-it SNP screening assays (Ŭ¸¯)

  • Genome Editing ÀÌÈÄ »ý¼ºµÈ ¿°±âġȯ (nucleotide substitution) ¶Ç´Â »ðÀÔ (insertion) º¯À̸¦ Á¤È®ÇÏ°í ¹Î°¨ÇÏ°Ô °ËÃâ
  • °Ô³ðÀÇ À§Ä¡ (genomic locus), Edit Á¾·ù¿¡ °ü°è¾øÀÌ Àû¿ë °¡´É
  • Heterogenous population (bulk-edited) ¶Ç´Â clonal cell population¿¡¼­ Knock-in °ËÃâ
  • Dual-color¸¦ ÀÌ¿ëÇÏ¿© heterozygous cloneÀ¸·ÎºÎÅÍ µÎ Á¾·ùÀÇ allele (SNP and WT)À» µ¿½Ã¿¡ °ËÃâ °¡´É
  • °£´ÜÇÑ ½ÇÇèÀåºñ¸¦ ÀÌ¿ëÇÏ¿©, ´Ü 4½Ã°£¸¸¿¡ ½ÇÇèÀÌ °¡´ÉÇÑ °£´ÜÇÏ°í ºü¸¥ ¿öÅ© Ç÷οì
  • ºÐ¼®¿ë ¿Ã¸®°í µðÀÚÀÎÀ» À§ÇÑ ¿Â¶óÀÎ Åø Á¦°ø
Á¦Ç°¼³¸í
Guide-it¢â Knockin Screening Kit´Â mixed ¶Ç´Â clonal cell population¿¡¼­ ´Ù¾çÇÑ À¯ÀüÀÚ ÆíÁý±â¼ú·Î »ý¼ºµÈ Homologous recombination (HR) À¯ÀüÀÚ ÆíÁý °á°ú¸¦ °ËÃâÇÒ ¼ö ÀÖ´Ù. º» Á¦Ç°Àº Knock-in À¯ÀüÀÚÀÇ ±æÀÌ¿¡ °ü°è¾øÀÌ (´ÜÀÏ¿°±â ġȯ, ±ä ±æÀÌÀÇ À¯ÀüÀÚ »ðÀÔ), ±×¸®°í ÆíÁýºÎÀ§ ÁÖº¯ÀÇ À¯ÀüÀû À§Ä¡³ª ¼­¿­¿¡ °ü°è¾øÀÌ ¾ÈÁ¤ÀûÀ¸·Î Knock-in ÆíÁýÀ» °ËÃâÇÒ ¼ö ÀÖ´Â ¡°Çü±¤ ±â¹ÝÀÇ °ËÃâ ¹æ¹ý (fluorescence-based method)¡±À» ÀÌ¿ëÇÑ´Ù. À̸¦ ÀÌ¿ëÇÏ¸é ¸ñÀûÀ¯ÀüÀÚºÎÀ§ÀÇ PCR ÁõÆø ¹× ³ì»ö, Àû»öÀÇ Çü±¤ ¹ß±¤À» À¯µµÇÏ´Â È¿¼Ò ¹ÝÀÀÀ» ÅëÇØ °£´ÜÇÏ°í ºü¸£°Ô Knock-inÀ» °ËÃâÇÒ ¼ö ÀÖ´Ù.
º» Á¦Ç°À» ÀÌ¿ë ½Ã, Çü±¤ °ËÃâÀ» À§ÇØ Ç¥ÁØ Çü±¤ °ËÃâ±â (standard fluorescence plate reader) ¶Ç´Â qPCR Àåºñ ÀÌ¿ÜÀÇ ´Ù¸¥ Ư¼ö Àåºñ´Â ÇÊ¿äÇÏÁö ¾Ê´Ù. ¶ÇÇÑ Àü¹ÝÀûÀÎ ½ÇÇè°úÁ¤À» ¿Ï·áÇÏ´Â µ¥ ¾à 4½Ã°£ÀÇ ÂªÀº ½Ã°£ÀÌ ¼Ò¿äµÇ¸ç, ÃÖÁ¾ Çü±¤ ½Ã±×³Î °ËÃâ °á°ú´Â ¸ñÀûÀ¯ÀüÀÚÀÇ ÆíÁý °á°ú¿Í ¿¬°üÀÌ ÀÖ´Ù. º» Á¦Ç°À» ÀÌ¿ëÇϸé SNP ÆíÁý°ú °°Àº ½ÇÇèÀÇ °æ¿ì, ¼­·Î ´Ù¸¥ µÎ °³ÀÇ alleleÀ» Æ÷ÇÔÇÏ°í ÀÖ´Â heterozygous clone (¿¹¸¦ µé¾î, SNP¿Í WT)À» È®½ÇÇÏ°Ô ½Äº°ÇÒ ¼ö ÀÖÀ¸¸ç, ±æÀÌ°¡ ±ä À¯ÀüÀÚÀÇ knock-inÀÇ °æ¿ì, »ðÀÔµÈ ¼­¿­ÀÇ 5¡¯ ¸»´Ü, 3¡¯ ¸»´ÜºÎ¸¦ ÀνÄÇÒ ¼ö ÀÖ´Ù (±×¸² 1., ±×¸² 2.).


±×¸² 1. Guide-it¢â Knockin Screening KitÀ» ÀÌ¿ëÇÑ SNP ºÐ¼® ¹æ¹ý
This example workflow demonstrates analysis of a G>A substitution, where G is the wild-type base edited to an A. After genome editing, single cells expanded to clonal cell lines can have several different genotypic outcomes at the genomic target site of interest. After PCR amplification of the target site, the PCR product is annealed simultaneously with different oligo probes: a displacement oligo (purple) in combination with either flap-probe oligo A (green; encoding the SNP allele, A) or flap-probe oligo B (orange; encoding the WT allele, G). After the annealing of the oligos to the PCR products, the Guide-it Flapase enzyme (indicated with scissors) recognizes a complete base pairing and cleaves the 5¡Ç portion of the flap-probe oligo (shaded green or orange). The cleaved flaps are then detected by corresponding Guide-it flap detectors, which yield green or red fluorescent signals, respectively. In the example above, analysis of a clonal cell line that is homozygous WT (G/G) at the site of interest yields only a red signal, while analysis of a heterozygous clone carrying both edited and WT alleles (G/A) yields both red and green signals.


±×¸² 2. Guide-it¢â Knockin Screening KitÀ» ÀÌ¿ëÇÑ full-length knock-in °á°ú °ËÃâ ¹æ¹ý
After the genome editing event, bulk-edited population or clonal cell lines isolated via FACS or limiting dilution may carry wild-type, indel, or full-length insertions. After DNA extraction from the clonal cells and subsequent PCR amplification of the target site, the PCR product is annealed with two different sets of displacement and flap probes: one that hybridizes with the 5' end of the insert (Flap-probe oligo A; green), and the other with the 3' end (Flap-probe oligo B; orange). If the full-length HR event has been successful and seamless, the full hybridization of the probes at both termini will generate both green and red fluorescent signals after the cleavage of the respective flap probes by the Guide-it Flapase. Detection of only one signal (red or green) indicates an insertion truncated on either the 5' or 3' end, respectively. The lack of fluorescence is indicative of the presence of the wild-type sequence or an indel at the target site.


±×¸² 3. Common outcomes when engineering SNPs
An example of a single-nucleotide edit (G>T) is shown. Panel A. Outcomes at the genomic target site. When cleavage fails to occur at the target site or is followed by accurate, nonhomologous end joining (NHEJ)-based repair, the result is the wild-type (WT) sequence. When cleavage is followed by inaccurate NHEJ-based repair, the result is an insertion or deletion (Indel) at the target site possibly causing a knockout (KO, a highly probable outcome). When cleavage is followed by accurate HDR, a SNP is introduced at the target site. Panel B. Combined allelic outcomes in diploid cells. When editing is performed in diploid cells, the outcomes for each allele can vary, generating multiple possible combinations. Cells can remain homozygous (Wild type; top), they can have one or both alleles modified via inaccurate NHEJ (Indel; middle), or they can have one or both alleles modified with the desired SNP (Successful HDR; bottom).
±¸¼ºÇ° ¹× º¸Á¸ (ÀÚ¼¼ÇÑ ³»¿ëÀº CoA¸¦ ÂüÁ¶ ¹Ù¶ø´Ï´Ù)
  • Store MightyPrep Reagent for DNA at 4¡ÆC
  • Store all other reagents at -20¡ÆC

Guide-it¢â Knockin Screening Kit

632659
(100 rxns)

632660
(400 rxns)

MightyPrep Reagent for DNA (Store at 4¡ÆC)

9182A

9182

MightyPrep Reagent for DNA

5 §¢

20 §¢

Guide-it Knockin Control Set (Store at -20¡ÆC)

632661

632661

Guide-it Knockin Positive Control Mix

300 §¡

300 §¡

Guide-it Knockin Negative Control Mix

300 §¡

300 §¡

Guide-it Flap Reagents (Store at -20¡ÆC)

632662
(100rxns)

632663
(400rxns)

Terra PCR Direct Polymerase Mix

50 §¡

200 §¡

2X Terra PCR Direct Buffer (with Mg2+, dNTP)

750 §¡ x 2

1 §¢ x 5

Dilution Buffer

8 §¢

32 §¢

RNase-free Water

20 §¢

35 §¢ x 2

Annealing Buffer

200 §¡

800 §¡

Flapase Buffer

300 §¡

1.2 §¢

Guide-it Flapase

100 §¡

400 §¡

Guide-it Green Flap Detector (40X)

50 §¡

200 §¡

Guide-it Red Flap Detector (40X)

50 §¡

200 §¡





Keyword : KI,Knock-in,Knockin,Knock in,HDR pathway,KI screening,CRISPR,CRISPR/Cas9,Cas9,sgRNA,Å©¸®½ºÆÛ,gene editing,À¯ÀüÀÚÆíÁý

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