{"id":6827,"date":"2017-12-26T02:27:49","date_gmt":"2017-12-25T19:27:49","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=4652"},"modified":"2017-12-26T02:27:49","modified_gmt":"2017-12-25T19:27:49","slug":"tinh-man-cam-khang-ngo-cry1f-di-hop-tu-va-tinh-man-cam-spodoptera-frugiperda-den-protein-bt-su-dung-trong-bong-chuyen-gen","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/tinh-man-cam-khang-ngo-cry1f-di-hop-tu-va-tinh-man-cam-spodoptera-frugiperda-den-protein-bt-su-dung-trong-bong-chuyen-gen\/","title":{"rendered":"T\u00ednh m\u1eabn c\u1ea3m kh\u00e1ng ng\u00f4 Cry1F, d\u1ecb h\u1ee3p t\u1eed v\u00e0 t\u00ednh m\u1eabn c\u1ea3m Spodoptera frugiperda \u0111\u1ebfn Protein Bt s\u1eed d\u1ee5ng trong B\u00f4ng chuy\u1ec3n gen"},"content":{"rendered":"<p><span style=\"font-family: arial, helvetica, sans-serif;\">Theo nghi\u00ean c\u1ee9u c\u1ee7a Fei Yang v\u00e0 c\u00f4ng s\u1ef1,<em> Spodoptera frugiperda<\/em>\u00a0(JE Smith), l\u00e0 lo\u00e0i m\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a ng\u00f4 Bt v\u00e0 b\u00f4ng Bt \u1edf Hoa K\u1ef3.\u00a0Ch\u1ecbu kh\u00e1ng th\u1ef1c v\u1eadt \u0111\u1ed1i v\u1edbi ng\u00f4 Cry1F \u1edf\u00a0<em>S. frugiperda<\/em>\u00a0\u0111\u00e3 x\u1ea3y ra \u1edf Puerto Rico, Brazil v\u00e0 v\u00f9ng \u0111\u00f4ng nam Hoa K\u1ef3.\u00a0C\u00f3 m\u1ed9t m\u1ed1i quan t\u00e2m l\u1edbn l\u00e0 gi\u1ed1ng\u00a0<em>S. frugiperda<\/em>\u00a0kh\u00e1ng Cry1F\u00a0c\u00f3 th\u1ec3 di chuy\u1ec3n \u0111\u1ebfn c\u00e1c c\u00e1nh \u0111\u1ed3ng b\u00f4ng v\u00e0 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 ki\u1ec3m so\u00e1t \u0111\u1ed1i v\u1edbi b\u00f4ng Bt, n\u01a1i c\u1ea3 hai c\u00e2y tr\u1ed3ng \u0111\u01b0\u1ee3c tr\u1ed3ng.\u00a0Trong nghi\u00ean c\u1ee9u n\u00e0y, t\u1ef7 l\u1ec7 t\u1eed vong c\u1ee7a \u1ea5u tr\u00f9ng v\u00e0 s\u1ef1 \u1ee9c ch\u1ebf t\u0103ng tr\u01b0\u1edfng c\u1ee7a c\u00e1c\u00a0ki\u1ec3u gen\u00a0Cry1F d\u1ec5 b\u1ecb ng\u1ed9 \u0111\u1ed9c ng\u00f4 (SS), -d\u1ecb h\u1ee3p t\u1eed\u00a0(RS) v\u00e0-t\u00ednh kh\u00e1ng\u00a0(RR) c\u1ee7a\u00a0<em>S. frugiperda<\/em>\u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u00e1nh\u00a0gi\u00e1 s\u1eedng d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p sinh h\u1ecdc h\u1ee3p th\u1ec3 v\u1edbi 6 proteingi\u00e1 s\u1eedng d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p sinh h\u1ecdc h\u1ee3p th\u1ec3 v\u1edbi 6 \u00a0protein Bt \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u00e2y b\u00f4ng Bt \u0111\u00e3 \u0111\u01b0\u1ee3c th\u01b0\u01a1ng m\u1ea1i ho\u00e1 v\u00e0 trong t\u01b0\u01a1ng lai: Cry1F, Cry1Ab, Cry1Ac, Cry2Ab2, Cry2Ae v\u00e0 Vip3A.\u00a0So v\u1edbi c\u00e1c s\u1ed1 li\u1ec7u v\u1ec1 t\u1eed vong, vi\u1ec7c \u0111o s\u1ef1 \u1ee9c ch\u1ebf\u00a0ph\u00e1t tri\u1ec3n\u00a0nh\u1ea1y h\u01a1n trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh t\u00ednh\u00a0m\u1eabn\u00a0c\u1ea3m c\u1ee7a c\u00f4n tr\u00f9ng v\u1edbi t\u1ea5t c\u1ea3 s\u00e1u protein Bt.\u00a0Nh\u00ecn chung, RS c\u00f3 hi\u1ec7u qu\u1ea3 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 SS \u0111\u1ed1i v\u1edbi s\u00e1u protein Bt v\u1edbi t\u1ef7 l\u1ec7 kh\u00e1ng &lt;5,5 l\u1ea7n.\u00a0T\u1ef7 l\u1ec7 kh\u00e1ng RR \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean s\u1ef1 \u1ee9c ch\u1ebf\u00a0ph\u00e1t tri\u1ec3n\u00a0c\u1ee7a \u1ea5u tr\u00f9ng g\u1ea5p 930 l\u1ea7n \u0111\u1ed1i v\u1edbi Cry1F, 50.5 l\u1ea7n \u0111\u1ed1i v\u1edbi Cry1Ab, v\u00e0&gt; 172 l\u1ea7n cho Cry1Ac.\u00a0Ng\u01b0\u1ee3c l\u1ea1i, t\u1ea5t c\u1ea3 ba ki\u1ec3u gen c\u00f4n tr\u00f9ng \u0111\u1ec1u\u00a0m\u1eabn c\u1ea3m\u00a0v\u1edbi Cry2Ab2, Cry2Ae, ho\u1eb7c Vip3A.\u00a0K\u1ebft qu\u1ea3 cho th\u1ea5y\u00a0<em>S. frugiperda<\/em>\u00a0kh\u00e1ng Cry1F ch\u1ed1ng l\u1ea1i Cry1Ab ho\u1eb7c Cry1Ac, nh\u01b0ng kh\u00f4ng kh\u00e1ng ch\u00e9o v\u1edbi Cry2Ab2, Cry2Ae, ho\u1eb7c Vip3A.\u00a0S\u1ef1 kh\u00e1ng ch\u00e9o m\u1ea1nh gi\u1eefa c\u00e1c protein Cry1 cho th\u1ea5y c\u1ea7n thi\u1ebft ph\u1ea3i tr\u1ed3ng c\u00e1c t\u00ednh tr\u1ea1ng pyramides c\u00f3 ch\u1ee9a \u00edt nh\u1ea5t hai gen Bt ho\u1ea1t t\u00ednh cho\u00a0<em>S. frugiperda<\/em>\u00a0kh\u00e1ng Cry1F\u00a0\u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 th\u00e0nh c\u00f4ng li\u00ean t\u1ee5c c\u1ee7a c\u00f4ng ngh\u1ec7 b\u00f4ng Bt, \u0111\u1eb7c bi\u1ec7t \u1edf nh\u1eefng n\u01a1i m\u00e0 Bt s\u1ef1 kh\u00e1ng c\u1ef1 \u0111\u00e3 x\u1ea3y ra.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"font-family: arial, helvetica, sans-serif;\"><em>Ngu\u1ed3n:\u00a0<a href=\"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0261219417300893\">sciencedirect.com<\/a><\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Theo nghi\u00ean c\u1ee9u c\u1ee7a Fei Yang v\u00e0 c\u00f4ng s\u1ef1, Spodoptera frugiperda\u00a0(JE Smith), l\u00e0 lo\u00e0i m\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a ng\u00f4 Bt v\u00e0 b\u00f4ng Bt \u1edf Hoa K\u1ef3.\u00a0Ch\u1ecbu kh\u00e1ng th\u1ef1c v\u1eadt \u0111\u1ed1i v\u1edbi ng\u00f4 Cry1F \u1edf\u00a0S. frugiperda\u00a0\u0111\u00e3 x\u1ea3y ra \u1edf Puerto Rico, Brazil v\u00e0 v\u00f9ng \u0111\u00f4ng nam Hoa K\u1ef3.\u00a0C\u00f3 m\u1ed9t m\u1ed1i quan t\u00e2m l\u1edbn l\u00e0 gi\u1ed1ng\u00a0S. frugiperda\u00a0kh\u00e1ng [&#8230;]\n","protected":false},"author":1,"featured_media":6507,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6827"}],"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=6827"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6827\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6507"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6827"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6827"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}