{"id":1987,"date":"2013-08-06T02:41:54","date_gmt":"2013-08-05T19:41:54","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1987"},"modified":"2013-08-06T02:41:54","modified_gmt":"2013-08-05T19:41:54","slug":"so-sanh-bo-gen-cua-ca-chua-hoang-dai-va-ca-chua-thuan-hoa","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/so-sanh-bo-gen-cua-ca-chua-hoang-dai-va-ca-chua-thuan-hoa\/","title":{"rendered":"So s\u00e1nh b\u1ed9 gen c\u1ee7a c\u00e0 chua hoang d\u1ea1i v\u00e0 c\u00e0 chua thu\u1ea7n h\u00f3a"},"content":{"rendered":"
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C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u\u00a0\u1edf M\u1ef9, ch\u00e2u \u00c2u v\u00e0 Nh\u1eadt B\u1ea3n \u0111\u00e3 t\u1ea1o ra s\u1ef1 so s\u00e1nh \u0111\u1ea7u ti\u00ean\u00a0v\u1ec1\u00a0c\u1ea3 tr\u00ecnh t\u1ef1 DNA\u00a0v\u00e0\u00a0c\u00e1c\u00a0gen\u00a0\u0111ang ho\u1ea1t \u0111\u1ed9ng, hay\u00a0\u0111ang \u0111\u01b0\u1ee3c phi\u00ean m\u00e3, gi\u1eefa c\u00e0 chua\u00a0thu\u1ea7n h\u00f3a\u00a0v\u00e0\u00a0c\u00e0 chua\u00a0hoang d\u1ea1i.<\/p>\n

\u0110\u0103ng ng\u00e0y\u00a006-08-2013\u00a0trong chuy\u00ean m\u1ee5c\u00a0Tin th\u1ebf gi\u1edbi<\/a><\/p>\n

K\u1ebft qu\u1ea3\u00a0\u0111\u01b0a ra c\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u1ec1 nh\u1eefng thay \u0111\u1ed5i di truy\u1ec1n li\u00ean quan \u0111\u1ebfn s\u1ef1 thu\u1ea7n h\u00f3a v\u00e0 c\u00f3 th\u1ec3 gi\u00fap cho nh\u1eefng n\u1ed7 l\u1ef1c trong t\u01b0\u01a1ng lai \u0111\u1ec3 \u0111\u01b0a nh\u1eefng t\u00ednh tr\u1ea1ng m\u1edbi v\u00e0o c\u00e0 chua hay c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng kh\u00e1c, Julin Maloof, gi\u00e1o s\u01b0 sinh h\u1ecdc th\u1ef1c v\u1eadt t\u1ea1i tr\u01b0\u1eddng Khoa h\u1ecdc sinh h\u1ecdc t\u1ea1i \u0111\u1ea1i h\u1ecdc California, Davis (UC Davis), cho bi\u1ebft. Maloof \u0111\u1ed3ng th\u1eddi l\u00e0 t\u00e1c gi\u1ea3 ch\u00ednh c\u1ee7a nghi\u00ean c\u1ee9u, \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean K\u1ef7 y\u1ebfu c\u1ee7a Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc Qu\u1ed1c gia.<\/p>\n

V\u00ed d\u1ee5, vi\u1ec7c \u0111\u01b0a nh\u1eefng t\u00ednh tr\u1ea1ng m\u1edbi v\u00e0o c\u00e0 chua th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn vi\u1ec7c lai ch\u00fang v\u1edbi c\u00e1c h\u1ecd h\u00e0ng hoang d\u1ea1i. Nghi\u00ean c\u1ee9u m\u1edbi cho th\u1ea5y c\u00f3 m\u1ed9t kh\u1ed1i gen l\u1edbn t\u1eeb m\u1ed9t lo\u00e0i c\u00e0 chua hoang d\u1ea1i hi\u1ec7n di\u1ec7n trong c\u00e0 chua thu\u1ea7n h\u00f3a, v\u00e0 c\u00f3 nh\u1eefng \u1ea3nh h\u01b0\u1edfng kh\u00f4ng mong mu\u1ed1n lan r\u1ed9ng tr\u00ean to\u00e0n b\u1ed9 gen.<\/p>\n

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C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u\u00a0c\u00f3 th\u1ec3\u00a0th\u1ef1c hi\u1ec7n vi\u1ec7c\u00a0so s\u00e1nh\u00a0kh\u00f4ng ch\u1ec9\u00a0v\u1edbi\u00a0b\u1ed9 gen,\u00a0m\u00e0 c\u00f2nv\u1edbi\u00a0t\u1ea5t c\u1ea3 c\u00e1c\u00a0gen\u00a0\u0111\u01b0\u1ee3c bi\u1ec3u\u00a0hi\u1ec7n, b\u1edfi c\u00e0 chua\u00a0thu\u1ea7n h\u00f3a\u00a0v\u00e0c\u00e0 chua\u00a0hoang d\u1ea1i. L \u0111\u1ebfn R:\u00a0Solanum<\/i>lycopersicum<\/i>, v\u00e0 c\u00e1c h\u1ecd h\u00e0ng hoang d\u1ea1i\u00a0S.<\/i>\u00a0pimpinellifolium, S. habrochaites v\u00e0 S. pennellii<\/i>. (\u1ea2nh:. Brad Townsley, UC Davis)<\/div>\n
<\/div>\n
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Maloof\u00a0v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p \u0111\u00e3 nghi\u00ean c\u1ee9u c\u00e0 chua thu\u1ea7n h\u00f3a,\u00a0Solanum\u00a0lycopersicum<\/em>, v\u00e0 c\u00e1c h\u1ecd h\u00e0ng hoang d\u1ea1i\u00a0S.\u00a0pennellii, S. habrochaites<\/em>\u00a0v\u00e0\u00a0S. pimpinellifolium<\/em>. So s\u00e1nh b\u1ed9 gen c\u1ee7a c\u00e2y \u0111\u00e3 cho th\u1ea5y \u1ea3nh h\u01b0\u1edfng c\u1ee7a nh\u1eefng n\u00fat th\u1eaft ti\u1ebfn h\u00f3a, Maloof l\u01b0u \u00fd – v\u00ed d\u1ee5 t\u1ea1i ngu\u1ed3n g\u1ed1c thu\u1ea7n h\u00f3a \u1edf Nam M\u1ef9, v\u00e0 sau \u0111\u00f3 c\u00e0 chua \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a \u0111\u1ebfn ch\u00e2u \u00c2u \u0111\u1ec3 canh t\u00e1c.
\nTrong s\u1ed1 nh\u1eefng ph\u00e1t hi\u1ec7n kh\u00e1c, c\u00e1c gen c\u00f3 li\u00ean quan v\u1edbi m\u00e0u s\u1eafc tr\u00e1i cho th\u1ea5y s\u1ef1 ti\u1ebfn h\u00f3a nhanh ch\u00f3ng gi\u1eefa c\u00e0 chua thu\u1ea5n h\u00f3a tr\u00e1i \u0111\u1ecf v\u00e0 h\u1ecd h\u00e0ng hoang d\u1ea1i c\u00f3 tr\u00e1i m\u00e0u xanh. V\u00e0\u00a0S.pennellii<\/em>, t\u1ed3n t\u1ea1i trong m\u00f4i tr\u01b0\u1eddng sa m\u1ea1c, \u0111\u00e3 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a trong c\u00e1c gen li\u00ean quan \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ecbu h\u1ea1n, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 m\u1eb7n.<\/p>\n

C\u00f4ng ngh\u1ec7\u00a0m\u1edbi \u0111\u00e3 mang l\u1ea1i cho c\u00e1c nh\u00e0 sinh h\u1ecdc kh\u1ea3 n\u0103ng ch\u01b0a t\u1eebng c\u00f3 \u0111\u1ec3 xem x\u00e9t t\u1ea5t c\u1ea3 c\u00e1c gen trong m\u1ed9t sinh v\u1eadt, kh\u00f4ng ch\u1ec9 v\u1edbi m\u1ed9t s\u1ed1 \u00edt \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 nghi\u00ean c\u1ee9u kh\u00f4ng ch\u1ec9 v\u1edbi ADN c\u1ee7a th\u1ef1c v\u1eadt m\u00e0 c\u00f2n l\u00e0 ARN th\u00f4ng tin \u0111ang \u0111\u01b0\u1ee3c phi\u00ean m\u00e3 t\u1eeb nh\u1eefng gen kh\u00e1c nhau. S\u1ef1 phi\u00ean m\u00e3 RNA l\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n th\u00f4ng tin trong c\u00e1c gen th\u00e0nh ho\u1ea1t \u0111\u1ed9ng. N\u1ebfu tr\u00ecnh t\u1ef1 ADN l\u00e0 danh s\u00e1ch c\u00e1c b\u1ed9 ph\u1eadn t\u1ea1o n\u00ean m\u1ed9t c\u00e2y c\u00e0 chua, th\u00ec c\u00e1c b\u1ea3ng phi\u00ean m\u00e3 RNA th\u00f4ng tin l\u00e0 nh\u1eefng h\u01b0\u1edbng d\u1eabn c\u1ee5 th\u1ec3.<\/p>\n

H\u1ed3 s\u01a1 bi\u1ec3u hi\u1ec7n gen, k\u1ebft h\u1ee3p v\u1edbi s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 sinh h\u1ecdc th\u1ef1c v\u1eadt, cho ph\u00e9p c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u hi\u1ec3u b\u1eb1ng c\u00e1ch n\u00e0o c\u00e1c gen t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau \u0111\u1ec3 t\u1ea1o ra c\u00e1c ki\u1ec3u h\u00ecnh ph\u1ee9c t\u1ea1p, Neelima Sinha, gi\u00e1o s\u01b0 sinh h\u1ecdc th\u1ef1c v\u1eadt t\u1ea1i UC Davis v\u00e0 l\u00e0 \u0111\u1ed3ng t\u00e1c gi\u1ea3 c\u1ee7a b\u00e0i b\u00e1o, cho bi\u1ebft.<\/p>\n

Ngu\u1ed3n: Sciencedaily<\/p>\n

http:\/\/www.sciencedaily.com\/releases\/2013\/06\/130626153928.htm<\/a><\/p>\n

 <\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u\u00a0\u1edf M\u1ef9, ch\u00e2u \u00c2u v\u00e0 Nh\u1eadt B\u1ea3n \u0111\u00e3 t\u1ea1o ra s\u1ef1 so s\u00e1nh \u0111\u1ea7u ti\u00ean\u00a0v\u1ec1\u00a0c\u1ea3 tr\u00ecnh t\u1ef1 DNA\u00a0v\u00e0\u00a0c\u00e1c\u00a0gen\u00a0\u0111ang ho\u1ea1t \u0111\u1ed9ng, hay\u00a0\u0111ang \u0111\u01b0\u1ee3c phi\u00ean m\u00e3, gi\u1eefa c\u00e0 chua\u00a0thu\u1ea7n h\u00f3a\u00a0v\u00e0\u00a0c\u00e0 chua\u00a0hoang d\u1ea1i. \u0110\u0103ng ng\u00e0y\u00a006-08-2013\u00a0trong chuy\u00ean m\u1ee5c\u00a0Tin th\u1ebf gi\u1edbi K\u1ebft qu\u1ea3\u00a0\u0111\u01b0a ra c\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u1ec1 nh\u1eefng thay \u0111\u1ed5i di truy\u1ec1n li\u00ean quan \u0111\u1ebfn […]\n","protected":false},"author":1,"featured_media":1994,"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\/1987"}],"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=1987"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/1987\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/1994"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=1987"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=1987"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=1987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}