{"id":1497,"date":"2015-05-02T09:18:57","date_gmt":"2015-05-02T02:18:57","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1497"},"modified":"2015-05-02T09:18:57","modified_gmt":"2015-05-02T02:18:57","slug":"dna-khong-the-ly-giai-cho-tat-ca-cac-dac-diem-sinh-hoc-di-truyen","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/dna-khong-the-ly-giai-cho-tat-ca-cac-dac-diem-sinh-hoc-di-truyen\/","title":{"rendered":"DNA kh\u00f4ng th\u1ec3 l\u00fd gi\u1ea3i cho t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc di truy\u1ec1n"},"content":{"rendered":"<div class=\"TomTat clearfix\"><span id=\"ArticalDetail1_lblTeaser\" class=\"OverollContentDesc\">C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb th\u1ebf h\u1ec7 n\u00e0y sang th\u1ebf h\u1ec7 kh\u00e1c kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi DNA m\u00e0 ch\u00fang c\u00f2n \u0111\u01b0\u1ee3c mang l\u1ea1i b\u1edfi ch\u1ea5t li\u1ec7u kh\u00e1c trong c\u00e1c t\u1ebf b\u00e0o.<\/span><\/div>\n<div class=\"NoiDungBai\">\n<div>\n<p>C\u00e1c nghi\u00ean c\u1ee9u gia \u0111\u00e3 nghi\u00ean c\u1ee9u nh\u1eefng protein \u1edf t\u1ebf b\u00e0o, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 histone, nh\u1eefng protein n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 1 ph\u1ea7n c\u1ee7a m\u00e3 di truy\u1ec1n, m\u00e0 \u0111\u00f3ng vai tr\u00f2 l\u00e0 nh\u1eefng \u1ed1ng cu\u1ed9n xung quanh DNA n\u00e0o b\u1ecb th\u01b0\u01a1ng. Histone \u0111\u01b0\u1ee3c bi\u1ebft l\u00e0 ki\u1ec3m so\u00e1t xem c\u00e1c gen c\u00f3 \u0111\u01b0\u1ee3c b\u1eadt hay kh\u00f4ng.<\/p>\n<\/div>\n<div>C\u00e1c nghi\u00ean c\u1ee9u gia nh\u1eadn th\u1ea5y r\u1eb1ng nh\u1eefng thay \u0111\u1ed5i x\u1ea3y ra t\u1ef1 nhi\u00ean \u1edf nh\u1eefng protein n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00e9o d\u00e0i t\u1eeb th\u1ebf h\u1ec7 n\u00e0y sang th\u1ebf h\u1ec7 kh\u00e1c, v\u00e0 v\u00ec th\u1ebf \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111\u01b0\u1ee3c di truy\u1ec1n.<br \/>\n<img decoding=\"async\" loading=\"lazy\" class=\"aligncenter\" title=\"DNA kh\u00f4ng th\u1ec3 l\u00fd gi\u1ea3i cho t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc di truy\u1ec1n\" src=\"http:\/\/images.sciencedaily.com\/2015\/04\/150402161751-large.jpg\" alt=\"\" width=\"267\" height=\"269\" \/><\/div>\n<div>K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u n\u00e0y l\u1ea7n \u0111\u1ea7u ti\u00ean cho th\u1ea5y r\u1eb1ng DNA kh\u00f4ng ph\u1ea3i l\u00e0 nh\u00e2n t\u1ed1 ch\u1ecbu tr\u00e1ch nhi\u1ec7m duy nh\u1ea5t cho c\u00e1ch th\u1ee9c c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111\u01b0\u1ee3c di truy\u1ec1n. N\u00f3 d\u1eabn l\u1ed1i cho vi\u1ec7c nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1ch th\u1ee9c v\u00e0 th\u1eddi \u0111i\u1ec3m ph\u01b0\u01a1ng ph\u00e1p di truy\u1ec1n n\u00e0y x\u1ea3y ra trong t\u1ef1 nhi\u00ean, v\u00e0 nghi\u00ean c\u1ee9u xem n\u00f3 c\u00f3 li\u00ean quan \u0111\u1ebfn nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m c\u1ee5 th\u1ec3 ho\u1eb7c nh\u1eefng t\u00ecnh tr\u1ea1ng s\u1ee9c kh\u1ecfe n\u00e0o hay kh\u00f4ng.<\/div>\n<div>\n<p>K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u n\u00e0y c\u00f2n c\u00f3 th\u1ec3 cung c\u1ea5p th\u00f4ng tin cho vi\u1ec7c nghi\u00ean c\u1ee9u xem nh\u1eefng thay \u0111\u1ed5i \u1edf c\u00e1c protein histone do \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng g\u00e2y ra \u2013 nh\u01b0 c\u0103ng th\u1eb3ng ho\u1eb7c ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng \u2013 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c gen \u0111\u01b0\u1ee3c truy\u1ec1n sang con c\u00e1i hay kh\u00f4ng.<\/p>\n<\/div>\n<div>\n<p>Nghi\u00ean c\u1ee9u n\u00e0y kh\u1eb3ng \u0111\u1ecbnh 1 d\u1ef1 \u0111o\u00e1n l\u00e2u \u0111\u1eddi c\u1ee7a c\u00e1c khoa h\u1ecdc gia r\u1eb1ng gen c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t qua c\u00e1c th\u1ebf h\u1ec7 b\u1edfi nh\u1eefng thay \u0111\u1ed5i n\u00e0y.<\/p>\n<\/div>\n<div>\n<p>C\u00e1c nghi\u00ean c\u1ee9u gia \u0111\u00e3 ki\u1ec3m nghi\u1ec7m gi\u1ea3 thuy\u1ebft n\u00e0y b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n nhi\u1ec1u th\u00ed nghi\u1ec7m \u1edf 1 lo\u1ea1i men v\u1edbi nhi\u1ec1u c\u01a1 ch\u1ebf ki\u1ec3m so\u00e1t gen t\u01b0\u01a1ng t\u1ef1 c\u00e1c t\u1ebf b\u00e0o ng\u01b0\u1eddi. H\u1ecd \u0111\u00e3 \u0111\u01b0a nh\u1eefng thay \u0111\u1ed5i v\u00e0o 1 protein histone, b\u1eaft ch\u01b0\u1edbc nh\u1eefng thay \u0111\u1ed5i x\u1ea3y ra t\u1ef1 nhi\u00ean, khi\u1ebfn protein n\u00e0y t\u1eaft nh\u1eefng gen g\u1ea7n \u0111\u00f3. T\u00e1c d\u1ee5ng n\u00e0y \u0111\u01b0\u1ee3c th\u1eeba h\u01b0\u1edfng b\u1edfi c\u00e1c th\u1ebf h\u1ec7 ti\u1ebfp theo c\u1ee7a c\u00e1c t\u1ebf b\u00e0o men.<\/p>\n<\/div>\n<div>Gi\u00e1o s\u01b0 Robin Allshire \u0111\u1ebfn t\u1eeb Khoa Sinh h\u1ecdc thu\u1ed9c Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Edinburgh cho bi\u1ebft: \u201cC\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u1ee7a ch\u00fang t\u00f4i kh\u1eb3ng \u0111\u1ecbnh \u00fd ki\u1ebfn cho r\u1eb1ng c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m di truy\u1ec1n c\u00f3 th\u1ec3 bi\u1ec3u sinh, c\u00f3 ngh\u0129a l\u00e0 ch\u00fang kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o nh\u1eefng thay \u0111\u1ed5i \u1edf DNA c\u1ee7a gen\u201d.<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb th\u1ebf h\u1ec7 n\u00e0y sang th\u1ebf h\u1ec7 kh\u00e1c kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi DNA m\u00e0 ch\u00fang c\u00f2n \u0111\u01b0\u1ee3c mang l\u1ea1i b\u1edfi ch\u1ea5t li\u1ec7u kh\u00e1c trong c\u00e1c t\u1ebf b\u00e0o. C\u00e1c nghi\u00ean c\u1ee9u gia \u0111\u00e3 nghi\u00ean c\u1ee9u nh\u1eefng protein \u1edf t\u1ebf b\u00e0o, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 histone, nh\u1eefng protein n\u00e0y kh\u00f4ng ph\u1ea3i [&#8230;]\n","protected":false},"author":1,"featured_media":6339,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/1497"}],"collection":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/comments?post=1497"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/1497\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6339"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=1497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=1497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=1497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}