{"id":6735,"date":"2015-10-15T07:46:38","date_gmt":"2015-10-15T00:46:38","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1160"},"modified":"2015-10-15T07:46:38","modified_gmt":"2015-10-15T00:46:38","slug":"gen-ag1-kiem-soat-luong-duong-trong-hat-lua-va-giup-cay-lua-song-sot-khi-duoi-nuoc","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/gen-ag1-kiem-soat-luong-duong-trong-hat-lua-va-giup-cay-lua-song-sot-khi-duoi-nuoc\/","title":{"rendered":"Gen AG1 ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng \u0111\u01b0\u1eddng trong h\u1ea1t l\u00faa v\u00e0 gi\u00fap c\u00e2y l\u00faa s\u1ed1ng s\u00f3t khi d\u01b0\u1edbi n\u01b0\u1edbc"},"content":{"rendered":"<div class=\"TomTat clearfix\"><span id=\"ArticalDetail1_lblTeaser\" class=\"OverollContentDesc\">M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1eeb \u0110\u1ea1i h\u1ecdc California, Riverside v\u00e0 Vi\u1ec7n Nghi\u00ean c\u1ee9u l\u00faa g\u1ea1o qu\u1ed1c t\u1ebf (IRRI), Philippin, g\u1ea7n \u0111\u00e2y \u0111\u00e3 c\u00f4ng b\u1ed1 m\u1ed9t nghi\u00ean c\u1ee9u l\u00e0m s\u00e1ng t\u1ecf c\u00e1ch th\u1ee9c c\u00e1c h\u1ea1t l\u00faa gi\u1ed1ng c\u00f3 th\u1ec3 s\u1ed1ng s\u00f3t khi \u0111\u01b0\u1ee3c tr\u1ed3ng d\u01b0\u1edbi n\u01b0\u1edbc.<\/span><\/div>\n<div class=\"NoiDungBai\">\n<div>Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed khoa h\u1ecdc Nature Plants, x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c m\u1ed9t gien ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng \u0111\u01b0\u1eddng trong h\u1ea1t l\u00faa gi\u1ed1ng cho \u0111\u1ebfn khi m\u1ecdc m\u1ea7m, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong \u0111i\u1ec1u ki\u1ec7n ng\u1eadp n\u01b0\u1edbc.<\/div>\n<div><\/div>\n<div>Julia Bailey-Serres, m\u1ed9t trong nh\u1eefng t\u00e1c gi\u1ea3 ch\u00ednh c\u1ee7a b\u00e0i b\u00e1o v\u00e0 l\u00e0 m\u1ed9t gi\u00e1o s\u01b0 di truy\u1ec1n h\u1ecdc cho bi\u1ebft: \u201cH\u1ea1t l\u00faa gi\u1ed1ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1edbi c\u00e1c h\u1ea1t gi\u1ed1ng c\u00e2y tr\u1ed3ng kh\u00e1c b\u1edfi v\u00ec n\u00f3 c\u00f3 th\u1ec3 n\u1ea3y m\u1ea7m v\u00e0 ph\u00e1t tri\u1ec3n th\u00e0nh m\u1ed9t c\u00e2y con c\u00f3 th\u1ec3 thu n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng ngay c\u1ea3 khi to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh n\u00e0y x\u1ea3y ra d\u01b0\u1edbi n\u01b0\u1edbc. Gien \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 gien AG1 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh n\u00e0y b\u1eb1ng c\u00e1ch cho ph\u00e9p d\u1ef1 tr\u1eef n\u0103ng l\u01b0\u1ee3ng c\u00f3 trong c\u00e1c h\u1ea1t gi\u1ed1ng chuy\u1ec3n \u0111\u1ed5i hi\u1ec7u qu\u1ea3 th\u00e0nh s\u1ef1 n\u1ea3y m\u1ea7m l\u00ean tr\u00ean kh\u1ecfi m\u1eb7t n\u01b0\u1edbc\u201d.<\/div>\n<div><\/div>\n<div>Qu\u00e1 tr\u00ecnh n\u00e0y chi ph\u1ed1i b\u1edfi gien AG1 c\u00f3 s\u1ef1 \u0111\u1ed1i l\u1eadp v\u1edbi qu\u00e1 tr\u00ecnh chi ph\u1ed1i b\u1edfi gien Sub1A \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n tr\u01b0\u1edbc \u0111\u00e2y cho ph\u00e9p c\u00e2y l\u00faa s\u1ed1ng s\u00f3t trong t\u00ecnh tr\u1ea1ng b\u1ecb ng\u1eadp ho\u00e0n to\u00e0n do l\u0169 l\u1ee5t. Bailey-Serres, ng\u01b0\u1eddi \u0111\u00e3 nghi\u00ean c\u1ee9u s\u00e2u v\u1ec1 c\u01a1 ch\u1ebf ch\u1ecbu ng\u1eadp n\u01b0\u1edbc, nh\u1eadn x\u00e9t: \u201cTh\u1ef1c v\u1eadt v\u1edbi gien Sub1A c\u01a1 b\u1ea3n ng\u1ee7 \u0111\u00f4ng khi ch\u00fang \u1edf d\u01b0\u1edbi n\u01b0\u1edbc, \u0111\u00e2y l\u00e0 m\u1ed9t t\u00ecnh hu\u1ed1ng m\u00e0 d\u1ef1 tr\u1eef n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c b\u1ea3o t\u1ed3n\u201d.<\/div>\n<div><\/div>\n<div>Gien AG1 t\u1ea1o ra m\u1ed9t c\u01a1 ch\u1ebf khi\u1ebfn h\u1ea1t gi\u1ed1ng c\u00f3 xu h\u01b0\u1edbng d\u00e0nh l\u01b0\u1ee3ng \u0111\u01b0\u1eddng nhi\u1ec1u h\u01a1n cho qu\u00e1 tr\u00ecnh n\u1ea3y m\u1ea7m, ph\u00e1t tri\u1ec3n th\u00e2n c\u00e2y v\u00e0 l\u00e1. Do \u0111\u00f3, c\u00e1c h\u1ea1t gi\u1ed1ng l\u00faa c\u00f3 th\u1ec3 t\u0103ng tr\u01b0\u1edfng nhanh h\u01a1n v\u00e0 \u0111\u1ea1t \u0111\u1ebfn v\u00f9ng n\u01b0\u1edbc b\u1ec1 m\u1eb7t. C\u01a1 ch\u1ebf n\u00e0y c\u00f3 th\u1ec3 di\u1ec5n ra \u1edf \u0111\u1ed9 s\u00e2u t\u1edbi 10 cm v\u00e0 c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c \u201ck\u00edch ho\u1ea1t\u201d ngay sau khi h\u1ea1t gi\u1ed1ng \u0111\u01b0\u1ee3c gieo d\u01b0\u1edbi n\u01b0\u1edbc.<\/div>\n<div><\/div>\n<div>Bailey-Serres, Gi\u00e1m \u0111\u1ed1c Trung t\u00e2m Sinh h\u1ecdc T\u1ebf b\u00e0o Th\u1ef1c v\u1eadt gi\u1ea3i th\u00edch: \u201cGien AG1 thu\u1ed9c m\u1ed9t h\u1ecd c\u00f3 13 gien \u1edf c\u00e2y l\u00faa. C\u00e1c th\u00e0nh vi\u00ean kh\u00e1c c\u1ee7a h\u1ecd gien n\u00e0y g\u1ea7n \u0111\u00e2y \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u1edf c\u00e1c tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc v\u00e0 m\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f4ng ngh\u1ec7 sinh h\u1ecdc th\u1ef1c v\u1eadt t\u1ea1i Syngenta ch\u1ec9 ra c\u00f3 t\u00e1c d\u1ee5ng h\u1ed7 tr\u1ee3 c\u00e2y l\u00faa chuy\u1ec3n \u0111\u01b0\u1eddng t\u1eeb l\u00e1 \u0111\u1ebfn c\u00e1c h\u1ea1t gi\u1ed1ng \u1edf hoa \u0111\u01b0\u1ee3c th\u1ee5 ph\u1ea5n. Th\u1eddi \u0111i\u1ec3m v\u00e0 \u0111\u1ecba \u0111i\u1ec3m v\u1eadn chuy\u1ec3n \u0111\u01b0\u1eddng \u1edf c\u00e2y l\u00faa c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng\u201d.<\/div>\n<div><\/div>\n<div>S\u1ef1 sinh t\u1ed3n c\u1ee7a c\u00e2y l\u00faa trong \u0111i\u1ec1u ki\u1ec7n l\u0169 l\u1ee5t c\u0169ng r\u1ea5t quan tr\u1ecdng khi th\u1ef1c hi\u1ec7n h\u00ecnh th\u1ee9c gieo s\u1ea1 tr\u1ef1c ti\u1ebfp.<\/div>\n<div><\/div>\n<div>Kretzschmar n\u00f3i: \u201cCh\u00fang t\u00f4i xem x\u00e9t m\u1ed9t ph\u1ea7n ba \u0111\u1ebfn m\u1ed9t n\u1eeda c\u00e1c gi\u1ed1ng l\u00faa c\u1ee7a IRRI v\u00e0 nh\u1eadn th\u1ea5y c\u00e1c gi\u1ed1ng n\u00e0y kh\u00f4ng c\u00f3 gien AG1. L\u00fac \u0111\u1ea7u, ch\u00fang t\u00f4i ngh\u0129 r\u1eb1ng c\u00f3 l\u1ebd gien n\u00e0y c\u00f3 m\u1ed9t s\u1ed1 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c, do \u0111\u00f3 c\u00e1c nh\u00e0 lai t\u1ea1o IRRI c\u00f3 th\u1ec3 \u0111\u00e3 lo\u1ea1i b\u1ecf gien n\u00e0y. Tuy nhi\u00ean, sau n\u00e0y ch\u00fang t\u00f4i \u0111\u00e3 t\u00ecm ra gien n\u00e0y b\u1ecb m\u1ea5t \u0111i khi gi\u1ed1ng l\u00faa IR8, m\u1ed9t gi\u1ed1ng l\u00faa ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c lai t\u1ea1o do m\u1ed9t c\u00e2y l\u00faa b\u1ed1 m\u1eb9 kh\u00f4ng c\u00f3 gien n\u00e0y\u201d.<\/div>\n<div><\/div>\n<div>Hi\u1ec7n t\u1ea1i, khi h\u00ecnh th\u1ee9c gieo s\u1ea1 tr\u1ef1c ti\u1ebfp \u0111ang tr\u1edf th\u00e0nh ph\u1ed5 bi\u1ebfn, c\u00e1c nh\u00e0 khoa h\u1ecdc nh\u1eadn ra r\u1eb1ng c\u1ea7n c\u00f3 gien n\u00e0y trong c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh nh\u00e2n gi\u1ed1ng. V\u00ec v\u1eady, v\u1ec1 c\u01a1 b\u1ea3n th\u00f4ng qua vi\u1ec7c lai ch\u00e9o nh\u01b0 \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi gien Sub1A, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 \u0111\u01b0a l\u1ea1i gien AG1 v\u00e0o c\u00e2y l\u00faa.<\/div>\n<div><\/div>\n<div>Septiningsih cho bi\u1ebft: \u201cGien AG1 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n kh\u00f3 kh\u0103n v\u1eeba ph\u1ea3i. Khi ch\u00fang t\u00f4i k\u1ebft h\u1ee3p gien AG1 v\u1edbi gien Sub1A trong c\u00f9ng n\u1ec1n t\u1ea3ng di truy\u1ec1n, gien n\u00e0y ho\u1ea1t \u0111\u1ed9ng t\u1ed1t, m\u1eb7c d\u00f9 ch\u00fang c\u00f3 c\u00e1c c\u01a1 ch\u1ebf \u0111\u1ed1i l\u1eadp. Tuy nhi\u00ean, trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, m\u1ed9t m\u00ecnh gien AG1 l\u00e0 kh\u00f4ng \u0111\u1ee7 m\u00e0 ph\u1ea3i c\u1ea7n th\u00eam c\u00e1c t\u00ednh tr\u1ea1ng s\u1ed1 l\u01b0\u1ee3ng (QTLs) ho\u1eb7c c\u00e1c gien gi\u00fap b\u1ed5 sung cho c\u01a1 ch\u1ebf AG1. IRRI v\u00e0 c\u00e1c tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc \u0111\u1ed1i t\u00e1c \u0111ang n\u1ed7 l\u1ef1c nghi\u00ean c\u1ee9u theo h\u01b0\u1edbng n\u00e0y\u201d.<\/div>\n<div><\/div>\n<div>M\u1ed9t c\u00e2u h\u1ecfi quan tr\u1ecdng m\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111ang nghi\u00ean c\u1ee9u l\u00e0 li\u1ec7u h\u1ea1t gi\u1ed1ng l\u00faa c\u00f3 th\u1ec3 n\u1ea3y m\u1ea7m tr\u1ef1c ti\u1ebfp d\u01b0\u1edbi n\u01b0\u1edbc c\u00f3 th\u1ec3 mang gien Sub1A \u0111\u01b0\u1ee3c kh\u00f4ng. \u0110\u00e2y l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 m\u00e0 Bailey-Serres \u0111ang nghi\u00ean c\u1ee9u c\u00f9ng v\u1edbi Septiningsih v\u00e0 Rejbana Alam, nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 ch\u1ec9 ra vai tr\u00f2 c\u1ee7a gien AG1 trong qu\u00e1 tr\u00ecnh n\u1ea3y m\u1ea7m c\u1ee7a h\u1ea1t l\u00faa.<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1eeb \u0110\u1ea1i h\u1ecdc California, Riverside v\u00e0 Vi\u1ec7n Nghi\u00ean c\u1ee9u l\u00faa g\u1ea1o qu\u1ed1c t\u1ebf (IRRI), Philippin, g\u1ea7n \u0111\u00e2y \u0111\u00e3 c\u00f4ng b\u1ed1 m\u1ed9t nghi\u00ean c\u1ee9u l\u00e0m s\u00e1ng t\u1ecf c\u00e1ch th\u1ee9c c\u00e1c h\u1ea1t l\u00faa gi\u1ed1ng c\u00f3 th\u1ec3 s\u1ed1ng s\u00f3t khi \u0111\u01b0\u1ee3c tr\u1ed3ng d\u01b0\u1edbi n\u01b0\u1edbc. Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed [&#8230;]\n","protected":false},"author":1,"featured_media":6306,"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\/6735"}],"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=6735"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6735\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6306"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}