{"id":2540,"date":"2019-01-18T15:45:15","date_gmt":"2019-01-18T06:45:15","guid":{"rendered":"http:\/\/163.180.4.222\/lab\/?p=2540"},"modified":"2019-01-19T22:26:50","modified_gmt":"2019-01-19T13:26:50","slug":"%eb%85%bc%eb%ac%b8-%ec%86%8c%ea%b0%9c-precision-crispr-editing","status":"publish","type":"post","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=2540","title":{"rendered":"Precision CRISPR editing"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p id=\"p-1\">The most popular gene-editing tool, CRISPR-Cas9, generates breaks in the genome that are subsequently repaired by a mix of cellular pathways. Yet, the repair outcomes are not random. Using machine-learning algorithms to analyze large amounts of Cas9-mediated, genome-wide editing events in a range of cells, Shen\u00a0<em>et al.<\/em>, Allen\u00a0<em>et al.<\/em>, and Chakrabarti\u00a0<em>et al.<\/em>\u00a0uncovered sequence determinants of repair outcomes and devised rules to predict editing products. These findings provide insights into the repair process and instruct the design of guide RNAs to achieve more precise editing.<\/p>\n<p id=\"p-2\"><em>Nature<\/em>\u00a0<strong>563<\/strong>, 646 (2018).\u00a0<em>Nat. Biotechnol.<\/em>\u00a0<strong>37<\/strong>, 64 (2019).\u00a0<em>Mol. Cell<\/em>\u00a010.1016\/j.molcel.2018.11.031 (2018).<\/p>\n<p>&nbsp;<\/p>\n<p>(\uc6d0\ubb38: <a href=\"http:\/\/science.sciencemag.org\/content\/363\/6424\/242.5?rss=1\">\uc5ec\uae30<\/a>\ub97c \ud074\ub9ad\ud558\uc138\uc694~)<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp; The most popular gene-editing tool, CRISPR-Cas9, generates breaks in the genome that are subsequently repaired by a mix of cellular pathways. Yet, the<a href=\"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=2540\" class=\"more-link\">(more&#8230;)<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[33,29,30],"tags":[],"class_list":["post-2540","post","type-post","status-publish","format-standard","hentry","category-do-biology","category-lets-do-science","category-recent-science-news"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":2672,"url":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=2672","url_meta":{"origin":2540,"position":0},"title":"CRISPR-Cas9-Based Genome Editing of Human Cells","author":"biochemistry","date":"February 15, 2019","format":false,"excerpt":"\u00a0 \u00a0 CRISPR\/Cas9 systems are engineered versions of the Cas9 protein and guide RNA. \u00a0Typically, they are identical to the\u00a0Streptococcus pyogenes\u00a0type II CRISPR systems, except that a single guide-RNA is used in place of the complementary crRNAs and tracrRNAs of the natural CRISPR system, and the Cas9 protein is codon-optimized\u2026","rel":"","context":"In &quot;Let's Do Biology!&quot;","block_context":{"text":"Let's Do Biology!","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?cat=33"},"img":{"alt_text":"Genome Editing Overview2","src":"https:\/\/i0.wp.com\/sites.tufts.edu\/crispr\/files\/2014\/11\/Genome-Editing-Overview2-1024x667.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/sites.tufts.edu\/crispr\/files\/2014\/11\/Genome-Editing-Overview2-1024x667.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/sites.tufts.edu\/crispr\/files\/2014\/11\/Genome-Editing-Overview2-1024x667.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/sites.tufts.edu\/crispr\/files\/2014\/11\/Genome-Editing-Overview2-1024x667.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":4845,"url":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=4845","url_meta":{"origin":2540,"position":1},"title":"CRISPR tool modifies genes precisely by copying RNA into the genome &#038; CRISPR: the movie","author":"biochemistry","date":"November 15, 2019","format":false,"excerpt":"\u00a0 \u00a0 The ultimate goal of genome editing is to be able to make any specific change to the blueprint of life. A \u2018search-and-replace\u2019 method for genome editing takes us a giant leap closer to this ambitious goal. \u00a0 \u00a0 Variation in the DNA sequences that constitute the blueprint of\u2026","rel":"","context":"In &quot;Let's Do Biology!&quot;","block_context":{"text":"Let's Do Biology!","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?cat=33"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4118,"url":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=4118","url_meta":{"origin":2540,"position":2},"title":"CRISPR-mediated live imaging of genome editing and transcription","author":"biochemistry","date":"September 23, 2019","format":false,"excerpt":"\u00a0 \u00a0 Tracking nucleic acids in living cells Fluorescence in situ hybridization (FISH) is a powerful molecular technique for detecting nucleic acids in cells. However, it requires cell fixation and denaturation. Wang\u00a0et al.\u00a0found that CRISPR-Cas9 protects guide RNAs from degradation in cells only when bound to target DNA. Taking advantage\u2026","rel":"","context":"In &quot;Let's Do Biology!&quot;","block_context":{"text":"Let's Do Biology!","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?cat=33"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":3361,"url":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=3361","url_meta":{"origin":2540,"position":3},"title":"When genome editing goes off-target","author":"biochemistry","date":"April 19, 2019","format":false,"excerpt":"\u00a0 \u00a0 Editing DNA in eukaryotic cells with CRISPR-based systems has revolutionized the genome engineering field. Cas (CRISPR-associated) endonucleases are directed to a particular location in the genome by a short guide RNA, providing an easily programmable strategy to target any section of DNA. As of now, two CRISPR-based approaches\u2026","rel":"","context":"In &quot;Let's Do Biology!&quot;","block_context":{"text":"Let's Do Biology!","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?cat=33"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4854,"url":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=4854","url_meta":{"origin":2540,"position":4},"title":"Got mutation? \u2018Base editors\u2019 fix genomes one nucleotide at a time","author":"biochemistry","date":"November 19, 2019","format":false,"excerpt":"\u00a0 \u00a0 A new class of CRISPR-based tools efficiently corrects point mutations in cell lines, animal models and perhaps the clinic. \u00a0 \u00a0 Credit: Getty \u00a0 \u00a0 When Xingxu Huang began thinking about correcting disease-causing mutations in the human genome, his attention turned naturally to CRISPR\u2013Cas9. But it quickly became\u2026","rel":"","context":"In &quot;Let's Do Biology!&quot;","block_context":{"text":"Let's Do Biology!","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?cat=33"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1313,"url":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=1313","url_meta":{"origin":2540,"position":5},"title":"Did CRISPR really fix a genetic mutation in these human embryos?","author":"biochemistry","date":"August 9, 2018","format":false,"excerpt":"\u00a0 \u00a0 (\uc6d0\ubb38) \u00a0 \u00a0 Researchers provide more evidence for their landmark claim that gene editing rid embryos of a disease mutation \u2014 but scientists are still arguing over the results. \u00a0 \u00a0 Eight-cell embryos injected with the gene editor CRISPR\u2013Cas9.Credit: H. Ma et al.\/Nature \u00a0 \u00a0 \u00a0 Biologists who\u2026","rel":"","context":"In &quot;Essays on Science&quot;","block_context":{"text":"Essays on Science","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?cat=32"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":false,"jetpack_shortlink":"https:\/\/wp.me\/p9Xo1j-EY","_links":{"self":[{"href":"https:\/\/biochemistry.khu.ac.kr\/lab\/index.php?rest_route=\/wp\/v2\/posts\/2540","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/biochemistry.khu.ac.kr\/lab\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/biochemistry.khu.ac.kr\/lab\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/biochemistry.khu.ac.kr\/lab\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/biochemistry.khu.ac.kr\/lab\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2540"}],"version-history":[{"count":2,"href":"https:\/\/biochemistry.khu.ac.kr\/lab\/index.php?rest_route=\/wp\/v2\/posts\/2540\/revisions"}],"predecessor-version":[{"id":2549,"href":"https:\/\/biochemistry.khu.ac.kr\/lab\/index.php?rest_route=\/wp\/v2\/posts\/2540\/revisions\/2549"}],"wp:attachment":[{"href":"https:\/\/biochemistry.khu.ac.kr\/lab\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/biochemistry.khu.ac.kr\/lab\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/biochemistry.khu.ac.kr\/lab\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}