{"id":2148,"date":"2012-07-16T03:21:48","date_gmt":"2012-07-15T20:21:48","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=2148"},"modified":"2012-07-16T03:21:48","modified_gmt":"2012-07-15T20:21:48","slug":"danh-gia-rui-ro-giong-ot-bien-doi-gen-khang-benh-virus","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/danh-gia-rui-ro-giong-ot-bien-doi-gen-khang-benh-virus\/","title":{"rendered":"\u0110\u00e1nh gi\u00e1 r\u1ee7i ro gi\u1ed1ng \u1edbt bi\u1ebfn \u0111\u1ed5i gen kh\u00e1ng b\u1ec7nh virus"},"content":{"rendered":"<div class=\"TomTat clearfix\">\n<p>CP (Cucumber mosaic virus coat protein) c\u00f3 t\u00ednh kh\u00e1ng cao \u0111\u1ed1i v\u1edbi virus g\u00e2y b\u1ec7nh kh\u1ea3m d\u01b0a leo CMV. Soon Pack v\u00e0 ctv. thu\u1ed9c Vi\u1ec7n nghi\u00ean c\u1ee9u v\u1ec1 Khoa h\u1ecdc sinh h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 sinh h\u1ecdc c\u1ee7a H\u00e0n Qu\u1ed1c \u0111\u00e3 th\u1ef1c hi\u1ec7n m\u1ed9t nghi\u00ean c\u1ee9u nh\u1eb1m \u0111\u1ecbnh t\u00ednh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a vi\u1ec7c h\u1ee3p nh\u1ea5t gen chuy\u1ec3n n\u1ea1p v\u00e0o gi\u1ed1ng \u1edbt E7, m\u1ed9t trong nh\u1eefng d\u00f2ng transgenic CMV0-CP.<\/p>\n<p>\u0110\u0103ng ng\u00e0y\u00a016-07-2012\u00a0trong chuy\u00ean m\u1ee5c\u00a0<a href=\"http:\/\/antoansinhhoc.vn\/Chuyen-muc\/Tin-the-gioi\/260\/1\">Tin th\u1ebf gi\u1edbi<\/a><\/p>\n<p>Nh\u00f3m nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p Southern blotting v\u00e0 ph\u00e2n t\u00edch PCR \u0111\u1ea3o. H\u1ecd th\u1ea5y r\u1eb1ng d\u00f2ng \u1edbt E7 c\u00f3 m\u1ed9t b\u1ea3n sao ch\u00e9p \u0111\u01a1n c\u1ee7a m\u1ed9t \u201cgene cassette\u201d \u0111\u01b0\u1ee3c ch\u00e8n v\u00e0o, v\u00e0 nh\u1eefng chu\u1ed7i tr\u00ecnh t\u1ef1 k\u1ebf c\u1eadn d\u01b0\u1eddng nh\u01b0 kh\u00f4ng m\u00e3 h\u00f3a, ch\u1ee9a r\u1ea5t \u00edt ho\u1eb7c kh\u00f4ng ch\u1ee9a gen n\u00e0o.H\u1ecd xem x\u00e9t c\u00e1c \u1ee9ng c\u1eed vi\u00ean tr\u00ecnh t\u1ef1 DNA \u0111\u1eb7c bi\u1ec7t trong c\u00e2y \u1edbt c\u00f3 ch\u1ee9c n\u0103ng nh\u01b0 m\u1ed9t gen tham kh\u1ea3o (reference gene) \u0111\u1ed1i v\u1edbi vi\u1ec7c ph\u00e1t hi\u1ec7n ra \u1edbt\u00a0 GM. H\u1ecd tuy\u1ec3n ch\u1ecdn c\u00e1c gen m\u00e3 h\u00f3a\u00a0<em>lipocalin<\/em>\u00a0v\u00e0\u00a0<em>CaSIG4<\/em>\u00a0\u00a0c\u00f3 trong genome c\u00e2y \u1edbt v\u1edbi m\u1ed9t copy duy nh\u1ea5t v\u00e0 tr\u00ecnh t\u1ef1 c\u1ee7a ch\u00fang ch\u1ec9 bi\u1ec3u th\u1ecb t\u00ednh \u0111\u1ed9c \u0111\u00e1o c\u1ee7a c\u00e2y \u1edbt m\u00e0 th\u00f4i. V\u1edbi vi\u1ec7c \u0111\u1ecbnh t\u00ednh c\u00e1c tr\u00ecnh t\u1ef1 k\u1ebf c\u1eadn nhau c\u1ee7a \u201ctransgene\u201d trong genome, c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng c\u00f3 s\u1eb5n c\u1ee7a nh\u1eefng gen tham chi\u1ebfu, h\u1ecd c\u00f3 th\u1ec3 ph\u00e1c h\u1ecda n\u00ean m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n nh\u1edd PCR chuy\u00ean bi\u1ec7t \u0111\u1ec3 ki\u1ec3m tra gi\u1ed1ng \u1edbt chuy\u1ec3n gen. Qua ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, nh\u00f3m nghi\u00ean c\u1ee9u th\u1ea5y r\u1eb1ng CMV-CP bi\u1ec3u hi\u1ec7n trong m\u00f4 c\u00e2y \u1edbt GM kh\u00f4ng \u0111\u00e1ng k\u1ec3 so v\u1edbi s\u1ed1 l\u01b0\u1ee3ng CMV-CP trong c\u00e2y \u1edbt nguy\u00ean th\u1ee7y b\u1ecb nhi\u1ec5m virus. Nghi\u00ean c\u1ee9u c\u00f2n cho th\u1ea5y ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e1nh gi\u00e1 r\u1ee7i ro tr\u00ean c\u00e1c d\u00f2ng \u1edbt E7.<\/p>\n<p>Xem\u00a0<a href=\"http:\/\/www.springerlink.com\/content\/7p37186634w12034\/fulltext.pdf\">http:\/\/www.springerlink.com\/content\/7p37186634w12034\/fulltext.pdf<\/a>.<\/p>\n<p>Theo agbiotech.com.vn.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>CP (Cucumber mosaic virus coat protein) c\u00f3 t\u00ednh kh\u00e1ng cao \u0111\u1ed1i v\u1edbi virus g\u00e2y b\u1ec7nh kh\u1ea3m d\u01b0a leo CMV. Soon Pack v\u00e0 ctv. thu\u1ed9c Vi\u1ec7n nghi\u00ean c\u1ee9u v\u1ec1 Khoa h\u1ecdc sinh h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 sinh h\u1ecdc c\u1ee7a H\u00e0n Qu\u1ed1c \u0111\u00e3 th\u1ef1c hi\u1ec7n m\u1ed9t nghi\u00ean c\u1ee9u nh\u1eb1m \u0111\u1ecbnh t\u00ednh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a vi\u1ec7c h\u1ee3p nh\u1ea5t [&#8230;]\n","protected":false},"author":1,"featured_media":6453,"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\/2148"}],"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=2148"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/2148\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6453"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=2148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=2148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=2148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}