{"id":917,"date":"2014-02-13T06:51:26","date_gmt":"2014-02-12T23:51:26","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=917"},"modified":"2014-02-13T06:51:26","modified_gmt":"2014-02-12T23:51:26","slug":"nghien-cuu-chon-giong-bong-vai-khang-benh-xanh-lun-bang-chi-thi-phan-tu","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/nghien-cuu-chon-giong-bong-vai-khang-benh-xanh-lun-bang-chi-thi-phan-tu\/","title":{"rendered":"Nghi\u00ean c\u1ee9u ch\u1ecdn gi\u1ed1ng b\u00f4ng v\u1ea3i kh\u00e1ng b\u1ec7nh xanh l\u00f9n b\u1eb1ng ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed"},"content":{"rendered":"<div class=\"TomTat clearfix\">\n<p>C\u00e1c t\u00e1c gi\u1ea3 thu\u1ed9c Vi\u1ec7n Di truy\u1ec1n n\u00f4ng nghi\u1ec7p, Trung t\u00e2m T\u00e0i nguy\u00ean th\u1ef1c v\u1eadt, Vi\u1ec7n Nghi\u00ean c\u1ee9u B\u00f4ng v\u00e0 Ph\u00e1t tri\u1ec3n n\u00f4ng nghi\u1ec7p Nha H\u1ed1 v\u00e0 Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc k\u1ef9 thu\u1eadt Texas, Hoa K\u00fd \u0111\u00e3 nghi\u00ean c\u1ee9u x\u00e2y d\u1ef1ng b\u1ea3n \u0111\u1ed3 c\u00e1c nh\u00f3m li\u00ean k\u1ebft genom c\u00e2y b\u00f4ng c\u1ecf ph\u1ee5c v\u1ee5 vi\u1ec7c ch\u1ecdn t\u1ea1o gi\u1ed1ng b\u00f4ng v\u1ea3i kh\u00e1ng b\u1ec7nh xanh l\u00f9n b\u1eb1ng ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed.<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"NoiDungBai\">\n<p>C\u00e2y b\u00f4ng\u00a0 Gossypium\u00a0 L.\u00a0 bao g\u1ed3m 45 lo\u00e0i l\u01b0\u1ee1ng b\u1ed9i v\u00e0 5 lo\u00e0i t\u1ee9 b\u1ed9i (Fryxell, 1992). B\u00f4ng l\u01b0\u1ee1ng b\u1ed9i chia l\u00e0m 8 b\u1ed9 gen,\u00a0 \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u t\u1eeb A \u0111\u1ebfn G v\u00e0 K (Beasley, 1940; Wendel v\u00e0 Cronn, 2003) v\u1edbi s\u1ed1 l\u01b0\u1ee3ng nhi\u1ec5m s\u1eafc th\u1ec3n = 13.<\/p>\n<p>Cho \u0111\u1ebfn nay, c\u00f3 4 lo\u00e0i b\u00f4ng\u00a0 \u0111\u01b0\u1ee3c tr\u1ed3ng l\u1ea5y s\u1ee3i: Hai d\u1ea1ng nh\u1ecb b\u1ed9i (b\u00f4ng c\u1ecf) (2n = 2x = 26):\u00a0 G. arboreum v\u00e0\u00a0 G. herbaceum v\u00e0 hai d\u1ea1ng t\u1ee9 b\u1ed9i (2n = 2x = 52):\u00a0 G. hirsutum (b\u00f4ng lu\u1ed3i) v\u00e0 G. barbadense (b\u00f4ng h\u1ea3i \u0111\u1ea3o). Trong \u0111\u00f3, b\u00f4ng c\u1ecf G. arboreum c\u00f3 b\u1ed9 gen l\u01b0\u1ee1ng b\u1ed9i AA c\u00f3 c\u00e1c\u00a0 \u0111\u1eb7c t\u00ednh n\u00f4ng sinh h\u1ecdc t\u1ed1t nh\u01b0 ch\u00edn s\u1edbm, \u0111\u1ed9 b\u1ec1n x\u01a1, h\u00e0m l\u01b0\u1ee3ng d\u1ea7u cao, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu \u0111i\u1ec1u ki\u1ec7n b\u1ea5t l\u1ee3i, kh\u00e1ng s\u00e2u b\u1ec7nh t\u1ed1t&#8230; V\u00ec th\u1ebf,\u00a0 \u0111\u00e2y l\u00e0 ngu\u1ed3n gen \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 ch\u1ecdn gi\u1ed1ng quan t\u00e2m (Ma, 2008).<\/p>\n<p>&nbsp;<\/p>\n<p>L\u1eadp b\u1ea3n \u0111\u1ed3 li\u00ean k\u1ebft d\u1ef1a tr\u00ean c\u00e1c ch\u1ec9 th\u1ecb ADN \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00f4ng t\u00e1c nghi\u00ean c\u1ee9u c\u1ea5u tr\u00fac genome, ch\u1ee9c n\u0103ng gen, ti\u1ebfn h\u00f3a c\u0169ng nh\u01b0 gi\u00fap cho c\u00f4ng t\u00e1c ch\u1ecdn gi\u1ed1ng nh\u1edd ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed (Wangzhen Guo v\u00e0 CS., 2007). G\u1ea7n \u0111\u00e2y, v\u1edbi s\u1ef1 ra\u00a0 \u0111\u1eddi c\u1ee7a ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed,\u00a0 \u0111\u1eb7c bi\u1ec7t l\u00e0 ch\u1ec9 th\u1ecb SSR, nhi\u1ec1u b\u1ea3n\u00a0 \u0111\u1ed3 di truy\u1ec1n genome c\u00e2y b\u00f4ng \u1edf c\u00e1c lo\u00e0i kh\u00e1c nhau \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp (Reddy v\u00e0 CS., 2001; Qureshi v\u00e0 CS., 2004; Han v\u00e0 CS., 2004, 2006; Park v\u00e0 CS., 2005; Wang v\u00e0 CS., 2006; Guo v\u00e0 CS., 2007; Ma v\u00e0 CS., 2008).<\/p>\n<p>&nbsp;<\/p>\n<p>\u0110\u1ec3 l\u1eadp b\u1ea3n\u00a0 \u0111\u1ed3 gen, c\u00f4ng t\u00e1c kh\u1ea3o s\u00e1t ch\u00ednh x\u00e1c c\u00e1c t\u1ed5 h\u1ee3p lai v\u1edbi nh\u1eefng gi\u1ed1ng b\u1ed1 m\u1eb9\u00a0 \u0111\u00f3ng vai tr\u00f2 qua tr\u1ecdng. C\u00e2y b\u1ed1 m\u1eb9 ph\u1ea3i mang\u00a0 \u0111\u1eb7c t\u00ednh t\u01b0\u01a1ng ph\u1ea3n r\u00f5 r\u1ec7t v\u00e0 c\u00f3 m\u1ee9c \u0111\u1ed9\u00a0 \u0111a h\u00ecnh ADN \u0111\u1ee7 l\u1edbn\u00a0 \u0111\u1ec3 d\u1ec5 d\u00e0ng x\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ec9 th\u1ecb li\u00ean k\u1ebft. Tuy nhi\u00ean kho\u1ea3ng c\u00e1ch di truy\u1ec1n gi\u1eefa c\u00e1c c\u00e2y b\u1ed1 m\u1eb9 kh\u00f4ng\u00a0 \u0111\u01b0\u1ee3c qu\u00e1 xa v\u00ec c\u00f3 th\u1ec3\u00a0 \u1ea3nh h\u01b0\u1edfng t\u1edbi s\u1ee9c s\u1ed1ng ho\u1eb7c \u0111\u1ed9 h\u1eefu th\u1ee5 c\u1ee7a th\u1ebf h\u1ec7 con lai.<\/p>\n<p>&nbsp;<\/p>\n<p><em><strong>Chi ti\u1ebft xin xem file \u0111\u00ednh k\u00e8m:\u00a0<\/strong><\/em><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/iasvn.org\/images\/download.gif\" alt=\"\" align=\"top\" \/>\u00a0T\u1ea3i file<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c t\u00e1c gi\u1ea3 thu\u1ed9c Vi\u1ec7n Di truy\u1ec1n n\u00f4ng nghi\u1ec7p, Trung t\u00e2m T\u00e0i nguy\u00ean th\u1ef1c v\u1eadt, Vi\u1ec7n Nghi\u00ean c\u1ee9u B\u00f4ng v\u00e0 Ph\u00e1t tri\u1ec3n n\u00f4ng nghi\u1ec7p Nha H\u1ed1 v\u00e0 Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc k\u1ef9 thu\u1eadt Texas, Hoa K\u00fd \u0111\u00e3 nghi\u00ean c\u1ee9u x\u00e2y d\u1ef1ng b\u1ea3n \u0111\u1ed3 c\u00e1c nh\u00f3m li\u00ean k\u1ebft genom c\u00e2y b\u00f4ng c\u1ecf ph\u1ee5c v\u1ee5 vi\u1ec7c ch\u1ecdn t\u1ea1o [&#8230;]\n","protected":false},"author":1,"featured_media":5956,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/917"}],"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=917"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/917\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/5956"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}