{"id":6666,"date":"2014-09-24T09:49:08","date_gmt":"2014-09-24T02:49:08","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1628"},"modified":"2014-09-24T09:49:08","modified_gmt":"2014-09-24T02:49:08","slug":"nghien-cuu-genome-tong-the-cua-nhung-thay-doi-di-truyen-xay-ra-trong-qua-trinh-chon-tao-giong-hien-dai-cua-cay-cai-dau-brassica-napus","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/nghien-cuu-genome-tong-the-cua-nhung-thay-doi-di-truyen-xay-ra-trong-qua-trinh-chon-tao-giong-hien-dai-cua-cay-cai-dau-brassica-napus\/","title":{"rendered":"Nghi\u00ean c\u1ee9u genome t\u1ed5ng th\u1ec3 c\u1ee7a nh\u1eefng thay \u0111\u1ed5i di truy\u1ec1n x\u1ea3y ra trong qu\u00e1 tr\u00ecnh ch\u1ecdn t\u1ea1o gi\u1ed1ng hi\u1ec7n \u0111\u1ea1i c\u1ee7a c\u00e2y c\u1ea3i d\u1ea7u Brassica napus"},"content":{"rendered":"<div class=\"TomTat clearfix\"><span id=\"ArticalDetail1_lblTeaser\" class=\"OverollContentDesc\">C\u00e1c bi\u1ebfn\u00a0d\u1ecb di truy\u1ec1n c\u1ee7a b\u1ed9 gen c\u00e2y c\u1ea3i d\u1ea7u c\u00f3 th\u1ec3 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh ch\u1ecdn t\u1ea1o gi\u1ed1ng c\u1ee7a v\u00e0i th\u1eadp ni\u00ean g\u1ea7n \u0111\u00e2y \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1.\u00a0<\/span><\/div>\n<div class=\"NoiDungBai\">\n<p>Trong nh\u1eefng th\u1eadp ni\u00ean g\u1ea7n \u0111\u00e2y, c\u00f3 nh\u1eefng thay \u0111\u1ed5i quan tr\u1ecdng v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m ki\u1ec3u h\u00ecnh c\u1ee7a c\u00e2y c\u1ea3i d\u1ea7u (rapeseed) b\u1edfi m\u1ecdi n\u1ed5 l\u1ef1c c\u1ea3i ti\u1ebfn gi\u1ed1ng c\u1ee7a lo\u00e0i ng\u01b0\u1eddi. Bao tr\u00f9m l\u00ean t\u1ea5t c\u1ea3 nh\u1eefng bi\u1ebfn d\u1ecb c\u1ee7a gen tr\u00ean c\u01a1 s\u1edf c\u1ea5u tr\u00fac c\u1ee7a genome s\u1ebd cung c\u1ea5p cho ng\u01b0\u1eddi ta nh\u1eefng ki\u1ebfn th\u1ee9c ph\u1ee5c v\u1ee5 cho n\u1ed9i dung c\u1ea3i ti\u1ebfn di truy\u1ec1n trong t\u01b0\u01a1ng lai.<\/p>\n<p>C\u00e1c t\u00e1c gi\u1ea3 c\u1ee7a nghi\u00ean c\u1ee9u n\u00e0y \u0111\u00e3 \u0111\u00e1nh gi\u00e1 nh\u1eefng thay \u0111\u1ed5i di truy\u1ec1n theo ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch t\u1ed5ng th\u1ec3 genome (genome-wide genetic changes), bao g\u1ed3m c\u1ea5u tr\u00fac qu\u1ea7n th\u1ec3 (population structure), nh\u1eefng li\u00ean quan m\u1eadt thi\u1ebft trong di truy\u1ec1n (genetic relatedness), s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a li\u00ean k\u1ebft kh\u00f4ng c\u00e2n (linkage disequilibrium), \u0111a d\u1ea1ng v\u1ec1 nucleotide v\u00e0 s\u1ef1 ph\u00e2n h\u00f3a trong di truy\u1ec1n h\u1ecdc (genetic differentiation) tr\u00ean c\u01a1 s\u1edf ph\u00e1t hi\u1ec7n \u1edf b\u00ean ngo\u00e0i\u00a0<strong>\u00a0<em>F\u00a0<\/em><\/strong><strong>ST<\/strong>\u00a0(outlier detection), \u0111\u1ed1i v\u1edbi t\u1eadp \u0111o\u00e0n c\u00e2y c\u1ea3i d\u1ea7u c\u00f3 472 m\u1eabu gi\u1ed1ng\u00a0<em>Brassica napus<\/em>\u00a0t\u1ef1 th\u1ee5, s\u1eed d\u1ee5ng k\u1ebft qu\u1ea3\u00a0<strong>60\u00a0k\u00a0<em>Brassica<\/em>Infinium\u00ae\u00a0SNP array<\/strong>.<\/p>\n<p>Ng\u01b0\u1eddi ta \u0111\u00e3 t\u00ecm th\u1ea5y m\u1ee9c \u0111\u1ed9 \u0111a d\u1ea1ng di truy\u1ec1n bi\u1ebfn thi\u00ean trong c\u00e1c nh\u00f3m ph\u1ee5 kh\u00e1c nhau. H\u01a1n n\u1eefa, m\u1ee9c \u0111\u1ed9 bi\u1ebfn d\u1ecb di truy\u1ec1n \u1ea5y \u0111\u00e3 t\u0103ng l\u00ean t\u1eeb n\u0103m 1950 \u0111\u1ebfn 1980 v\u00e0 hi\u1ec7n \u0111ang duy tr\u00ec \u1edf m\u1ee9c \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed3ng t\u1ea1i Trung Qu\u1ed1c v\u00e0 Ch\u00e2u \u00c2u. H\u1ecd c\u00f2n t\u00ecm th\u1ea5y c\u00f3 kho\u1ea3ng ~6\u201310\u00a0% v\u00f9ng trong genome c\u00e2y c\u1ea3i d\u1ea7u bi\u1ec3u hi\u1ec7n gi\u00e1 tr\u1ecb cao\u00a0<em><strong>F<\/strong><\/em><strong>\u00a0ST<\/strong>. M\u1ed9t v\u00e0i QTLs tr\u01b0\u1edbc \u0111\u00e2y li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn c\u00e1c t\u00ednh tr\u1ea1ng n\u00f4ng h\u1ecdc quan tr\u1ecdng \u0111\u00e3 b\u1ecb ch\u1ed3ng l\u1ea5p l\u00ean v\u1edbi nh\u1eefng v\u00f9ng nh\u01b0 v\u1eady. Nh\u00ecn chung, genome c\u1ee7a\u00a0<em><strong>B. napus<\/strong><\/em>\u00a0hi\u1ec7n nay \u0111\u00e3 \u0111\u01b0\u1ee3c ng\u01b0\u1eddi ta ph\u00e1t hi\u1ec7n c\u00f3 nhi\u1ec1u t\u00edn hi\u1ec7u\u00a0<em><strong>F<\/strong><\/em><strong>\u00a0ST<\/strong>\u00a0cao h\u01a1n\u00a0<strong>genome A<\/strong>, v\u00e0 c\u00e1c t\u00e1c gi\u1ea3 \u0111\u00e3 k\u1ebft lu\u1eadn r\u1eb1ng\u00a0<strong>genome C<\/strong>\u00a0c\u00f3 th\u1ec3 \u0111\u00f3ng g\u00f3p nhi\u1ec1u alen c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 t\u1ea1o ra nh\u1eefng t\u00ednh tr\u1ea1ng mong mu\u1ed1n \u01b0u vi\u1ec7t h\u01a1n. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y r\u1eb1ng bi\u1ebfn th\u1ecb c\u00f3 th\u1ec3 xem x\u00e9t \u0111\u01b0\u1ee3c trong genome \u0111\u00e3 \u0111\u01b0\u1ee3c v\u1eadn d\u1ee5ng \u0111\u01b0a v\u00e0o c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh c\u1ea3i thi\u1ebfn gi\u1ed1ng c\u1ea3i d\u1ea7u v\u00e0o trong th\u1eadp ni\u00ean g\u1ea7n \u0111\u00e2y.<\/p>\n<p>K\u1ebft qu\u1ea3 c\u00f2n cung c\u1ea5p cho ch\u00fang ta nh\u1eefng ki\u1ebfn th\u1ee9c v\u1ec1 t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u1ea3i ti\u1ebfn di truy\u1ec1n c\u00e2y c\u1ea3i d\u1ea7u tr\u00ean c\u01a1 s\u1edf bi\u1ebfn d\u1ecb di truy\u1ec1n c\u1ee7a b\u1ed9 gen v\u00e0 kh\u1ea3 n\u0103ng \u1ea5y \u0111\u1ed1i v\u1edbi vi\u1ec7c m\u1ed5 x\u1ebb chi ti\u1ebft c\u00e1c t\u00ednh tr\u1ea1ng ph\u1ee9c t\u1ea1p v\u1ec1 n\u00f4ng h\u1ecdc.<\/p>\n<p>B\u00e0i \u0111\u0103ng tr\u00ean t\u1ea1p ch\u00ed\u00a0<strong><em>Theoretical and Applied Genetics<\/em><\/strong>, th\u00e1ng 8-2014 127(8): 1817-1829<\/p>\n<p>&nbsp;<\/p>\n<p>Xem chi ti\u1ebft t\u1ea1i\u00a0<a title=\"Tu\u1ea7n tin khoa h\u1ecdc 392 (11-17\/08\/2014)\" href=\"http:\/\/link.springer.com\/article\/10.1007\/s00122-014-2343-6\">http:\/\/link.springer.com\/article\/10.1007\/s00122-014-2343-6<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c bi\u1ebfn\u00a0d\u1ecb di truy\u1ec1n c\u1ee7a b\u1ed9 gen c\u00e2y c\u1ea3i d\u1ea7u c\u00f3 th\u1ec3 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh ch\u1ecdn t\u1ea1o gi\u1ed1ng c\u1ee7a v\u00e0i th\u1eadp ni\u00ean g\u1ea7n \u0111\u00e2y \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1.\u00a0 Trong nh\u1eefng th\u1eadp ni\u00ean g\u1ea7n \u0111\u00e2y, c\u00f3 nh\u1eefng thay \u0111\u1ed5i quan tr\u1ecdng v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m ki\u1ec3u h\u00ecnh c\u1ee7a c\u00e2y c\u1ea3i d\u1ea7u (rapeseed) b\u1edfi m\u1ecdi n\u1ed5 [&#8230;]\n","protected":false},"author":1,"featured_media":6347,"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\/6666"}],"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=6666"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6666\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6347"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}