{"id":1700,"date":"2014-08-25T10:02:14","date_gmt":"2014-08-25T03:02:14","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1700"},"modified":"2014-08-25T10:02:14","modified_gmt":"2014-08-25T03:02:14","slug":"phat-trien-ruoi-duc-trai-ge-de-bao-ve-cay","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/phat-trien-ruoi-duc-trai-ge-de-bao-ve-cay\/","title":{"rendered":"Ph\u00e1t tri\u1ec3n ru\u1ed3i \u0111\u1ee5c tr\u00e1i GE \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e2y"},"content":{"rendered":"
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C\u00e1c\u00a0nh\u00e0 khoa h\u1ecdc thu\u1ed9c \u0110H East Anglia v\u00e0 C\u00f4ng ty Oxitec Ltd. \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng m\u1ed9t k\u1ef9 thu\u1eadt di truy\u1ec1n \u0111\u1ec3 ki\u1ec3m so\u00e1t qu\u1ea7n th\u1ec3 ru\u1ed3i \u0111\u1ee5c tr\u00e1i v\u00f9ng \u0110\u1ecba Trung H\u1ea3i (Mediterranean fruit fly c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 medfly)<\/span>\u0110\u0103ng ng\u00e0y 25-08-2014<\/span> trong chuy\u00ean m\u1ee5c Tin th\u1ebf gi\u1edbi<\/a><\/p>\n<\/div>\n

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\u0110\u00e2y l\u00e0 m\u1ed9t lo\u00e0i g\u00e2y h\u1ea1i n\u1ed5i ti\u1ebfng g\u00e2y thi\u1ec7t h\u1ea1i cho tr\u00ean 300 lo\u00e0i c\u00e2y cho tr\u00e1i, rau, v\u00e0 c\u00e2y cho h\u1ea1t (nuts). Ru\u1ed3i Medflies hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c ng\u01b0\u1eddi ta ki\u1ec3m so\u00e1t b\u1eb1ng thu\u1ed1c h\u00f3a h\u1ecdc, b\u1ea9y m\u1ed3i, bi\u1ec7n ph\u00e1p sinh h\u1ecdc, v\u00e0 ph\u00f3ng th\u00edch con \u0111\u1ef1c v\u00f4 sinh \u0111\u1ec3 kh\u00f4ng t\u1ea1o ra \u0111\u00e0n con c\u00f3 kh\u1ea3 n\u0103ng s\u1ed1ng \u0111\u01b0\u1ee3c.<\/p>\n

Trong s\u1ed1 nh\u1eefng k\u1ef9 thu\u1eadt \u1ea5y, k\u1ef9 thu\u1eadt t\u1ea1o con \u0111\u1ef1c v\u00f4 sinh (sterile male) \u0111\u01b0\u1ee3c xem nh\u01b0 l\u00e0 gi\u1ea3i ph\u00e1p th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng nh\u1ea5t. Tuy nhi\u00ean, con \u0111\u1ef1c v\u00f4 sinh kh\u00f4ng c\u00f3 xu h\u01b0\u1edbng giao ph\u1ed1i b\u1edfi v\u00ec ph\u01b0\u01a1ng ph\u00e1p chi\u1ebfu x\u1ea1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u00fang v\u00f4 sinh, c\u0169ng l\u00e0m ch\u00fang tr\u1edf n\u00ean y\u1ebfu \u1edbt.<\/p>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc th\u1ef1c hi\u1ec7n c\u00f4ng ngh\u1ec7 di truy\u1ec1n \u0111\u00e3 ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c nh\u1eefng con \u0111\u1ef1c kh\u1ecfe m\u1ea1nh h\u01a1n. H\u1ecd cho v\u00e0o m\u1ed9t gen chuy\u00ean bi\u1ec7t c\u00f3 t\u00ednh ch\u1ea5t \u201cfemale\u201d (t\u00ednh ch\u1ea5t c\u1ee7a ru\u1ed3i\u00a0 c\u00e1i) ph\u00e1 v\u1ee1 t\u00ednh tr\u1ea1ng ph\u00e1t tri\u1ec3n tr\u01b0\u1edbc con c\u00e1i \u0111ang b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n ph\u00e1t d\u1ee5c. Nh\u1eefng qu\u1ea7n th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng d\u1ea7n trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t k\u1ef9 v\u00e0 ph\u01a1i nhi\u1ec5m v\u1edbi m\u1ed9t ph\u00e2n t\u1eed\u00a0repressor\u00a0<\/strong>h\u00f3a h\u1ecdc.<\/p>\n

N\u1ebfu ph\u00e2n t\u1eed repressor n\u00e0y kh\u00f4ng hi\u1ec7n di\u1ec7n is trong th\u1ee9c \u0103n c\u1ee7a ru\u1ed3i GE, ch\u1ec9 c\u00f3 con \u0111\u1ef1c c\u00f2n s\u1ed1ng s\u00f3t m\u00e0 th\u00f4i. Con \u0111\u1ef1c nh\u01b0 v\u1eady \u0111\u01b0\u1ee3c ph\u00f3ng th\u00edch ra ngo\u00e0i, giao ph\u1ed1i v\u1edbi ru\u1ed3i c\u00e1i trong t\u1ef1 nhi\u00ean v\u00e0 chuy\u1ec3n t\u00ednh tr\u1ea1ng \u0111\u1eb7c bi\u1ec7t gi\u1edbi h\u1ea1n t\u1ef1 ph\u1ed1i c\u1ee7a ru\u1ed3i c\u00e1i th\u00e0nh ra qu\u1ea7n th\u1ec3 b\u1ea7y ru\u1ed3i con kh\u00f4ng c\u00f3 con c\u00e1i n\u00e0o c\u00f2n s\u1ed1ng \u0111\u01b0\u1ee3c.<\/p>\n

 <\/p>\n

Xem\u00a0http:\/\/rspb.royalsocietypublishing.org\/content\/281\/1792\/20141372<\/a>\u00a0(media release) \u00a0v\u00e0https:\/\/www.uea.ac.uk\/mac\/comm\/media\/press\/2014\/August\/oxitec-flies<\/a>\u00a0(research article).<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c\u00a0nh\u00e0 khoa h\u1ecdc thu\u1ed9c \u0110H East Anglia v\u00e0 C\u00f4ng ty Oxitec Ltd. \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng m\u1ed9t k\u1ef9 thu\u1eadt di truy\u1ec1n \u0111\u1ec3 ki\u1ec3m so\u00e1t qu\u1ea7n th\u1ec3 ru\u1ed3i \u0111\u1ee5c tr\u00e1i v\u00f9ng \u0110\u1ecba Trung H\u1ea3i (Mediterranean fruit fly c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 medfly)\u0110\u0103ng ng\u00e0y 25-08-2014 trong chuy\u00ean m\u1ee5c Tin th\u1ebf gi\u1edbi \u0110\u00e2y l\u00e0 m\u1ed9t lo\u00e0i g\u00e2y […]\n","protected":false},"author":1,"featured_media":1719,"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\/1700"}],"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=1700"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/1700\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/1719"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=1700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=1700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=1700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}