{"id":6671,"date":"2014-09-22T10:01:49","date_gmt":"2014-09-22T03:01:49","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1697"},"modified":"2014-09-22T10:01:49","modified_gmt":"2014-09-22T03:01:49","slug":"nghien-cuu-giong-lua-mi-co-kha-nang-chong-chiu-bo-cho-nang-suat-cao-hon","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/nghien-cuu-giong-lua-mi-co-kha-nang-chong-chiu-bo-cho-nang-suat-cao-hon\/","title":{"rendered":"Nghi\u00ean c\u1ee9u gi\u1ed1ng l\u00faa m\u00ec c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu Bo, cho n\u0103ng su\u1ea5t cao h\u01a1n"},"content":{"rendered":"
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C\u00e1c nh\u00e0 khoa h\u1ecdc \u00dac\u00a0\u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c gien l\u00faa m\u00ec ki\u1ec3m so\u00e1t kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu \u0111\u01b0\u1ee3c v\u1edbi \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea5t tr\u1ed3ng h\u1ea1n ch\u1ebf \u0111\u00e1ng k\u1ec3 s\u1ea3n l\u01b0\u1ee3ng l\u00faa m\u00ec \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n th\u1ea5y tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u2013 \u0111\u1ed9c t\u00ednh c\u1ee7a Bo.<\/span>\u0110\u0103ng ng\u00e0y 22-09-2014<\/span> trong chuy\u00ean m\u1ee5c Tin th\u1ebf gi\u1edbi<\/a><\/p>\n<\/div>\n

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\u0110\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Nature, vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c gien ch\u1ed1ng ch\u1ecbu Bo trong ADN c\u1ee7a l\u00faa m\u00ec d\u1ef1 b\u00e1o s\u1ebd gi\u00fap c\u00e1c nh\u00e0 lai t\u1ea1o gi\u1ed1ng c\u00e2y tr\u1ed3ng nhanh ch\u00f3ng h\u01a1n \u0111\u01b0a ra c\u00e1c gi\u1ed1ng m\u1edbi c\u00f3 n\u0103ng su\u1ea5t cao h\u01a1n gi\u00fap nu\u00f4i s\u1ed1ng d\u00e2n s\u1ed1 th\u1ebf gi\u1edbi \u0111ang ng\u00e0y c\u00e0ng gia t\u0103ng.<\/p>\n

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C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u, t\u1eeb Trung t\u00e2m Gien ch\u1ee9c n\u0103ng th\u1ef1c v\u1eadt c\u1ee7a \u00dac thu\u1ed9c Khoa N\u00f4ng nghi\u1ec7p, Th\u1ef1c ph\u1ea9m v\u00e0 R\u01b0\u1ee3u, tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Adelaide t\u1ea1i cho bi\u1ebft r\u1eb1ng, trong \u0111\u1ea5t – n\u01a1i \u0111\u1ed9c t\u1ed1 Bo l\u00e0m gi\u1ea3m s\u1ea3n l\u01b0\u1ee3ng, vi\u1ec7c c\u1ea3i thi\u1ec7n di truy\u1ec1n cho c\u00e2y tr\u1ed3ng l\u00e0 chi\u1ebfn l\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 duy nh\u1ea5t \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/div>\n
“Kho\u1ea3ng 35% c\u1ee7a 7 t\u1ef7 ng\u01b0\u1eddi tr\u00ean th\u1ebf gi\u1edbi ph\u1ee5 thu\u1ed9c v\u00e0o l\u00faa m\u00ec \u0111\u1ec3 t\u1ed3n t\u1ea1i,” Ti\u1ebfn s\u0129 Tim Sutton, tr\u01b0\u1edfng nh\u00f3m nghi\u00ean c\u1ee9u n\u00f3i. “Tuy nhi\u00ean, n\u0103ng su\u1ea5t l\u00faa m\u00ec hi\u1ec7n \u0111ang b\u1ecb h\u1ea1n ch\u1ebf b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1, ch\u1eb3ng h\u1ea1n nh\u01b0: h\u1ea1n h\u00e1n, nhi\u1ec5m m\u1eb7n v\u00e0 nh\u1eefng h\u1ea1n ch\u1ebf c\u1ee7a l\u1edbp \u0111\u1ea5t d\u01b0\u1edbi b\u1ec1 m\u1eb7t, bao g\u1ed3m \u0111\u1ed9c t\u00ednh c\u1ee7a Bo.<\/div>\n
T\u1ea1i Nam \u00dac, h\u01a1n 30% \u0111\u1ea5t tr\u1ed3ng \u1edf c\u00e1c khu v\u1ef1c tr\u1ed3ng ng\u0169 c\u1ed1c c\u00f3 h\u00e0m l\u01b0\u1ee3ng Bo \u1edf m\u1ee9c r\u1ea5t cao. \u0110\u00f3 c\u0169ng l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 to\u00e0n c\u1ea7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng tr\u1ed3ng ng\u0169 c\u1ed1c kh\u00f4 h\u1ea1n h\u01a1n. Tuy nhi\u00ean, c\u00e1c d\u00f2ng l\u00faa m\u00ec c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu \u0111\u1ed9c t\u00ednh c\u1ee7a Bo c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a b\u1ed9 r\u1ec5 trong \u0111\u1ea5t nhi\u1ec5m \u0111\u1ed9c t\u00ednh c\u1ee7a Bo, trong khi c\u00e1c d\u00f2ng kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu s\u1ebd c\u00f3 b\u1ed9 r\u1ec5 b\u1ecb c\u00f2i c\u1ecdc.<\/div>\n
“X\u00e1c \u0111\u1ecbnh c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 c\u00e1c gien v\u00e0 c\u00e1c bi\u1ebfn th\u1ec3 c\u1ee7a ch\u00fang \u0111\u01b0\u1ee3c quy cho kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi \u0111\u1ed9c t\u00ednh c\u1ee7a Bo n\u00e0y, c\u00f3 ngh\u0129a l\u00e0 gi\u1edd \u0111\u00e2y ch\u00fang t\u00f4i c\u00f3 c\u00e1c marker ph\u00e2n t\u1eed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ch\u1ecdn l\u1ecdc ra c\u00e1c d\u00f2ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu \u0111\u1ed9c t\u00ednh c\u1ee7a Bo v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c100%”.<\/div>\n
Ti\u1ebfn s\u0129 Sutton cho bi\u1ebft nghi\u00ean c\u1ee9u gien c\u1ee7a l\u00faa m\u00ec r\u1ea5t kh\u00f3. B\u1ed9 gien c\u1ee7a l\u00faa m\u00ec r\u1ea5t l\u1edbn, g\u1ea5p kho\u1ea3ng s\u00e1u l\u1ea7n s\u1ed1 l\u01b0\u1ee3ng gien nh\u01b0 con ng\u01b0\u1eddi. \u0110\u1ed9 ph\u1ee9c t\u1ea1p n\u00e0y c\u00f3 ngh\u0129a l\u00e0 gien ki\u1ec3m so\u00e1t s\u1ea3n l\u01b0\u1ee3ng v\u00e0 th\u00edch \u1ee9ng v\u1edbi \u00e1p l\u1ef1c m\u00f4i tr\u01b0\u1eddng v\u1eabn r\u1ea5t kh\u00f3 x\u00e1c \u0111\u1ecbnh.<\/div>\n
“Nh\u1eefng ti\u1ebfn b\u1ed9 trong sinh h\u1ecdc ph\u00e2n t\u1eed v\u00e0 c\u00f4ng ngh\u1ec7 di truy\u1ec1n trong m\u1ed9t v\u00e0i n\u0103m qua c\u00f9ng v\u1edbi c\u00e1c b\u1ed9 s\u01b0u t\u1eadp phong ph\u00fa v\u1eadt li\u1ec7u di truy\u1ec1n c\u1ee7a l\u00faa m\u00ec s\u1eb5n c\u00f3 tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, \u0111\u00e3 m\u1edf \u0111\u01b0\u1eddng cho m\u1ed9t k\u1ef7 nguy\u00ean m\u1edbi trong vi\u1ec7c ph\u00e2n t\u00edch c\u00e1c b\u1ed9 gien ph\u1ee9c t\u1ea1p nh\u01b0 l\u00faa m\u00ec”, \u00f4ng n\u00f3i.<\/div>\n
Trong nghi\u00ean c\u1ee9u n\u00e0y, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 theo d\u00f5i c\u00e1c gien c\u1ee5 th\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu \u0111\u1ed9c t\u00ednh c\u1ee7a Bo t\u1eeb c\u00e2y l\u00faa m\u00ec d\u1ea1i \u0111\u01b0\u1ee3c nh\u1eefng ng\u01b0\u1eddi n\u00f4ng d\u00e2n \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi tr\u1ed3ng t\u1ea1i khu v\u1ef1c \u0110\u1ecba Trung H\u1ea3i, th\u00f4ng qua d\u00f2ng l\u00faa m\u00ec \u0111\u01b0a v\u00e0o n\u01b0\u1edbc \u00dac v\u1edbi s\u1ed1 l\u01b0\u1ee3ng nhi\u1ec1u h\u01a1n m\u1ed9t th\u1ebf k\u1ef7 tr\u01b0\u1edbc, \u0111\u1ebfn c\u00e1c gi\u1ed1ng th\u01b0\u01a1ng ph\u1ea9m ng\u00e0y nay c\u1ee7a \u00dac.<\/div>\n
H\u1ecd ph\u00e1t hi\u1ec7n th\u1ea5y m\u1ed9t m\u00f4 h\u00ecnh ri\u00eang bi\u1ec7t v\u1ec1 ph\u00e2n b\u1ed1 bi\u1ebfn th\u1ec3 gien c\u00f3 t\u01b0\u01a1ng quan v\u1edbi h\u00e0m l\u01b0\u1ee3ng Bo trong \u0111\u1ea5t t\u1eeb c\u00e1c khu v\u1ef1c \u0111\u1ecba l\u00fd kh\u00e1c nhau.<\/div>\n
“Ph\u00e1t hi\u1ec7n n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00e1c nh\u00e0 lai t\u1ea1o l\u00faa m\u00ec hi\u1ec7n s\u1ebd c\u00f3 c\u00e1c c\u00f4ng c\u1ee5 ch\u1ecdn l\u1ecdc ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u00eam ki\u1ebfn th\u1ee9c \u0111\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c bi\u1ebfn th\u1ec3 ch\u00ednh x\u00e1c c\u1ee7a gien c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c n\u00e0y trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u1ee5 th\u1ec3”, Ti\u1ebfn s\u0129 Sutton n\u00f3i.<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc \u00dac\u00a0\u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c gien l\u00faa m\u00ec ki\u1ec3m so\u00e1t kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu \u0111\u01b0\u1ee3c v\u1edbi \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea5t tr\u1ed3ng h\u1ea1n ch\u1ebf \u0111\u00e1ng k\u1ec3 s\u1ea3n l\u01b0\u1ee3ng l\u00faa m\u00ec \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n th\u1ea5y tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u2013 \u0111\u1ed9c t\u00ednh c\u1ee7a Bo.\u0110\u0103ng ng\u00e0y 22-09-2014 trong chuy\u00ean m\u1ee5c Tin th\u1ebf gi\u1edbi \u0110\u01b0\u1ee3c c\u00f4ng b\u1ed1 […]\n","protected":false},"author":1,"featured_media":6354,"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\/6671"}],"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=6671"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6671\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6354"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}