{"id":2336,"date":"2012-04-06T03:58:33","date_gmt":"2012-04-05T20:58:33","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=2336"},"modified":"2012-04-06T03:58:33","modified_gmt":"2012-04-05T20:58:33","slug":"gen-dieu-khien-su-phat-trien-cua-cay-trong","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/gen-dieu-khien-su-phat-trien-cua-cay-trong\/","title":{"rendered":"Gen \u0111i\u1ec1u khi\u1ec3n s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng"},"content":{"rendered":"
\n

C\u00e1c nh\u00e0 khoa h\u1ecdc tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc California t\u1ea1i San Diego, cho bi\u1ebft h\u1ecd \u0111\u00e3 ph\u00e1t hi\u1ec7n 3 gen \u1edf c\u00e1c lo\u00e0i c\u00e2y c\u00f3 ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n s\u1ef1 l\u1edbn l\u00ean c\u1ee7a ch\u00fang h\u00e0ng ng\u00e0y, trang KM c\u1ee7a Nga cho hay.<\/span><\/p>\n

\u0110\u0103ng ng\u00e0y 10-04-2012<\/span> trong chuy\u00ean m\u1ee5c Tin th\u1ebf gi\u1edbi<\/a><\/p>\n<\/div>\n

\n

Nh\u01b0 ta \u0111\u00e3 bi\u1ebft, kh\u00e1c v\u1edbi \u0111\u1ed9ng v\u1eadt, c\u00e2y c\u1ed1i l\u1edbn l\u00ean su\u1ed1t \u0111\u1eddi, nh\u01b0ng qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n mang t\u00ednh gi\u00e1n \u0111o\u1ea1n, m\u00e0 cho \u0111\u1ebfn nay ng\u01b0\u1eddi ta v\u1eabn ch\u01b0a gi\u1ea3i th\u00edch \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n c\u00e1c ho\u1ea1t \u0111\u1ed9ng v\u00e0o ban \u0111\u00eam c\u1ee7a ch\u00fang. Nh\u1edd s\u1ef1 ph\u00e1t hi\u1ec7n ra 3 gen m\u1edbi, c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c ch\u00fang \u0111\u00e3 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n

Trong nghi\u00ean c\u1ee9u c\u1ee7a m\u00ecnh, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 xu\u1ea5t ph\u00e1t t\u1eeb quan \u0111i\u1ec3m cho r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c sinh v\u1eadt- kh\u00f4ng c\u00f3 ngo\u1ea1i l\u1ec7 – \u0111\u1ec1u c\u00f3 \u201cchi\u1ebfc \u0111\u1ed3ng h\u1ed3 sinh h\u1ecdc\u201d c\u1ee7a ri\u00eang m\u00ecnh. Chi\u1ebfc \u0111\u1ed3ng h\u1ed3 \u1ea5y \u0111i\u1ec1u ch\u1ec9nh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang tu\u1ef3 thu\u1ed9c v\u00e0o th\u1eddi gian trong ng\u00e0y.<\/p>\n

S\u1ef1 quan s\u00e1t qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y b\u1eafp c\u1ea3i, gi\u1ed1ng ar\u1eadp c\u00f3 t\u00ean khoa h\u1ecdc l\u00e0 Arabidopsis thaliana v\u00e0o ban ng\u00e0y v\u00e0 ban \u0111\u00eam \u0111\u00e3 ch\u1ee9ng minh r\u1eb1ng \u201cchi\u1ebfc \u0111\u1ed3ng h\u1ed1 sinh h\u1ecdc\u201d \u0111\u00e3 \u0111i\u1ec1u khi\u1ec3n s\u1ef1 ph\u1ed1i h\u1ee3p gi\u1eefa 3 ch\u1ea5t protid t\u1ed5ng h\u1ee3p trong t\u1ebf b\u00e0o th\u1ef1c v\u1eadt v\u1edbi s\u1ef1 tham gia c\u1ee7a 3 gen, k\u00fd hi\u1ec7u l\u00e0 ELF3, ELF4 v\u00e0 LUX.<\/p>\n

Nh\u1eefng nghi\u00ean c\u1ee9u ti\u1ebfp cho th\u1ea5y 3 ch\u1ea5t protid n\u00e0y t\u1ea1o th\u00e0nh nh\u1eefng t\u1ed5 h\u1ee3p ph\u00e2n t\u1eed v\u1edbi n\u1ed3ng \u0111\u1ed9 cao nh\u1ea5t t\u1eadp trung v\u00e0o th\u1eddi \u0111i\u1ec3m cu\u1ed1i bu\u1ed5i chi\u1ec1u v\u00e0 \u0111\u1ea7u c\u1ee7a ban \u0111\u00eam.<\/p>\n

H\u1ee3p ch\u1ea5t n\u00e0y (t\u1ea1m g\u1ecdi l\u00e0 \u201ct\u1ed5 h\u1ee3p protid bu\u1ed5i chi\u1ec1u\u201d) c\u00f3 nhi\u1ec7m v\u1ee5 kho\u00e1 ch\u1ee9c n\u0103ng c\u1ee7a hai d\u1ea1ng protid k\u00edch th\u00edch sinh tr\u01b0\u1edfng, sinh ra nh\u1edd gen PIF4 v\u00e0 PIF5.<\/p>\n

Nh\u01b0 v\u1eady, t\u1ed5 h\u1ee3p protid ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t \u201cchi\u1ebfc phanh h\u00e3m\u201d \u0111\u1ed9c \u0111\u00e1o<\/span> s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a th\u1ef1c v\u1eadt. N\u1ebfu n\u00f3 \u201ct\u1eaft\u201d m\u1ed9t trong nh\u1eefng gen n\u00e0y, th\u00ec chi\u1ec1u d\u00e0i c\u1ee7a th\u00e2n c\u00e2y b\u1eaft \u0111\u1ea7u t\u0103ng nhanh m\u1ed9t c\u00e1ch r\u00f5 r\u1ec7t.<\/p>\n

Theo c\u00e1c chuy\u00ean gia, trong t\u01b0\u01a1ng lai ph\u00e1t minh n\u00e0y s\u1ebd cho ph\u00e9p t\u1ea1o ra c\u00e1c lo\u00e0i c\u00e2y l\u01b0\u01a1ng th\u1ef1c m\u1edbi, m\u1ecdc nhanh, thu ho\u1ea1ch s\u1edbm \u0111\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ea1i tr\u00e0 trong n\u00f4ng nghi\u1ec7p.
\nTheo vietnamnet.vn<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc California t\u1ea1i San Diego, cho bi\u1ebft h\u1ecd \u0111\u00e3 ph\u00e1t hi\u1ec7n 3 gen \u1edf c\u00e1c lo\u00e0i c\u00e2y c\u00f3 ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n s\u1ef1 l\u1edbn l\u00ean c\u1ee7a ch\u00fang h\u00e0ng ng\u00e0y, trang KM c\u1ee7a Nga cho hay. \u0110\u0103ng ng\u00e0y 10-04-2012 trong chuy\u00ean m\u1ee5c Tin th\u1ebf gi\u1edbi Nh\u01b0 ta \u0111\u00e3 bi\u1ebft, kh\u00e1c […]\n","protected":false},"author":1,"featured_media":6483,"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\/2336"}],"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=2336"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/2336\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6483"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=2336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=2336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=2336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}