{"id":6867,"date":"2018-12-11T18:17:56","date_gmt":"2018-12-11T11:17:56","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=5218"},"modified":"2018-12-11T18:17:56","modified_gmt":"2018-12-11T11:17:56","slug":"nghien-cuu-moi-tu-dai-hoc-halle-thay-doi-khi-hau-lam-thay-doi-su-phat-trien-cua-thuc-vat","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/nghien-cuu-moi-tu-dai-hoc-halle-thay-doi-khi-hau-lam-thay-doi-su-phat-trien-cua-thuc-vat\/","title":{"rendered":"Nghi\u00ean c\u1ee9u m\u1edbi t\u1eeb \u0110\u1ea1i h\u1ecdc Halle: Thay \u0111\u1ed5i kh\u00ed h\u1eadu l\u00e0m thay \u0111\u1ed5i s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a th\u1ef1c v\u1eadt"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-size: 12pt; font-family: 'times new roman', times, serif;\">S\u1ef1 n\u00f3ng l\u00ean to\u00e0n c\u1ea7u \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u00f4ng ch\u1ec9 \u0111a d\u1ea1ng sinh h\u1ecdc th\u1ef1c v\u1eadt, m\u00e0 c\u00f2n thay \u0111\u1ed5i c\u00e1ch th\u1ee9c ph\u00e1t tri\u1ec3n c\u1ee7a th\u1ef1c v\u1eadt. M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Martin Luther Halle-Wittenberg (MLU) \u0111\u00e3 h\u1ee3p t\u00e1c v\u1edbi Vi\u1ec7n H\u00f3a sinh th\u1ef1c v\u1eadt Leibniz (IPB) \u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c qu\u00e1 tr\u00ecnh ph\u00e2n t\u1eed c\u00f3 li\u00ean quan \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a th\u1ef1c v\u1eadt \u1edf nhi\u1ec7t \u0111\u1ed9 cao. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u00fap nh\u00e2n gi\u1ed1ng c\u00e2y tr\u1ed3ng th\u00edch nghi v\u1edbi s\u1ef1 n\u00f3ng l\u00ean to\u00e0n c\u1ea7u.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 12pt; font-family: 'times new roman', times, serif;\">Gi\u00e1o s\u01b0 Marcel Quint, m\u1ed9t nh\u00e0 khoa h\u1ecdc n\u00f4ng nghi\u1ec7p t\u1ea1i MLU, gi\u1ea3i th\u00edch r\u1eb1ng m\u1ed1i t\u01b0\u01a1ng quan gi\u1eefa nhi\u1ec7t \u0111\u1ed9 v\u00e0 s\u1ef1 t\u0103ng tr\u01b0\u1edfng th\u1ef1c v\u1eadt \u1edf macrolevel l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 hi\u1ec3u, nh\u01b0ng v\u1eabn c\u00f2n nhi\u1ec1u c\u00e2u h\u1ecfi m\u1edf \u1edf c\u1ea5p \u0111\u1ed9 ph\u00e2n t\u1eed. C\u00e1c nghi\u00ean c\u1ee9u tr\u01b0\u1edbc \u0111\u00e2y cho th\u1ea5y protein PIF4 tr\u1ef1c ti\u1ebfp ki\u1ec3m so\u00e1t s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a th\u1ef1c v\u1eadt, nh\u01b0ng protein n\u00e0y c\u0169ng ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9. PIF4 \u00edt ho\u1ea1t \u0111\u1ed9ng h\u01a1n khi tr\u1eddi l\u1ea1nh, nh\u01b0ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n, PIF4 k\u00edch ho\u1ea1t c\u00e1c gen th\u00fac \u0111\u1ea9y t\u0103ng tr\u01b0\u1edfng v\u00e0 c\u00e2y ph\u00e1t tri\u1ec3n cao h\u01a1n. M\u1eb7c d\u00f9 c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 bi\u1ebft th\u00f4ng tin n\u00e0y, nh\u01b0ng v\u1eabn ch\u01b0a r\u00f5 c\u00e2y tr\u1ed3ng khi n\u00e0o n\u00ean k\u00edch ho\u1ea1t PIF4 v\u00e0 gi\u1ea3i ph\u00f3ng bao nhi\u00eau.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 12pt; font-family: 'times new roman', times, serif;\">Nh\u00f3m nghi\u00ean c\u1ee9u \u1edf Halle \u0111\u00e3 ph\u00e1t hi\u1ec7n ra. H\u1ecd \u0111\u00e3 \u0111i\u1ec1u tra h\u00e0nh vi sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y con c\u1ee7a c\u00e2y Arabidopsis thaliana. Th\u00f4ng th\u01b0\u1eddng c\u00e2y con h\u00ecnh th\u00e0nh th\u00e2n ng\u1eafn \u1edf 20\u00b0C (68\u00b0F). Nh\u1eefng th\u00e2n c\u00e2y n\u00e0y tr\u1edf n\u00ean d\u00e0i h\u01a1n \u0111\u00e1ng k\u1ec3 \u1edf 28\u00b0C (82,4\u00b0F). Trong ph\u00f2ng th\u00ed nghi\u1ec7m, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 x\u00e1c \u0111\u1ecbnh th\u1ef1c v\u1eadt c\u00f3 khi\u1ebfm khuy\u1ebft gen v\u1eabn ch\u1ec9 h\u00ecnh th\u00e0nh th\u00e2n ng\u1eafn \u1edf 28\u00b0C. Sau \u0111\u00f3, nh\u00f3m nghi\u00ean c\u1ee9u t\u00ecm ki\u1ebfm nh\u1eefng l\u00fd do c\u00f3 th\u1ec3 cho s\u1ef1 thi\u1ebfu t\u0103ng tr\u01b0\u1edfng n\u00e0y. H\u1ecd \u0111\u00e3 ph\u00e1t hi\u1ec7n ra m\u1ed9t lo\u1ea1i hormone k\u00edch ho\u1ea1t gen PIF4 \u1edf nhi\u1ec7t \u0111\u1ed9 cao, t\u1ea1o ra protein. Ph\u1ea3n \u1ee9ng n\u00e0y \u0111\u00e3 kh\u00f4ng x\u1ea3y ra trong c\u00e1c c\u00e2y \u0111\u1ed9t bi\u1ebfn. Quint gi\u1ea3i th\u00edch: &#8220;Ch\u00fang t\u00f4i \u0111\u00e3 ph\u00e1t hi\u1ec7n ra vai tr\u00f2 c\u1ee7a hormone \u0111\u1eb7c bi\u1ec7t n\u00e0y trong con \u0111\u01b0\u1eddng truy\u1ec1n t\u00edn hi\u1ec7u v\u00e0 \u0111\u00e3 t\u00ecm th\u1ea5y m\u1ed9t c\u01a1 ch\u1ebf m\u00e0 qua \u0111\u00f3 qu\u00e1 tr\u00ecnh t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u00edch c\u1ef1c \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n&#8221;.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 12pt; font-family: 'times new roman', times, serif;\">Ngu\u1ed3n: pressemitteilungen.pr.uni-halle.de<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>S\u1ef1 n\u00f3ng l\u00ean to\u00e0n c\u1ea7u \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u00f4ng ch\u1ec9 \u0111a d\u1ea1ng sinh h\u1ecdc th\u1ef1c v\u1eadt, m\u00e0 c\u00f2n thay \u0111\u1ed5i c\u00e1ch th\u1ee9c ph\u00e1t tri\u1ec3n c\u1ee7a th\u1ef1c v\u1eadt. M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Martin Luther Halle-Wittenberg (MLU) \u0111\u00e3 h\u1ee3p t\u00e1c v\u1edbi Vi\u1ec7n H\u00f3a sinh th\u1ef1c v\u1eadt Leibniz (IPB) \u0111\u1ec3 kh\u00e1m ph\u00e1 [&#8230;]\n","protected":false},"author":1,"featured_media":6141,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6867"}],"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=6867"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6867\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6141"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}