{"id":6840,"date":"2018-01-18T23:55:14","date_gmt":"2018-01-18T16:55:14","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=4965"},"modified":"2018-01-18T23:55:14","modified_gmt":"2018-01-18T16:55:14","slug":"su-bieu-hien-manh-me-gen-alfalfa-wrky11-giup-tang-cuong-kha-nang-chiu-man-trong-dau-tuong","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/su-bieu-hien-manh-me-gen-alfalfa-wrky11-giup-tang-cuong-kha-nang-chiu-man-trong-dau-tuong\/","title":{"rendered":"S\u1ef1 bi\u1ec3u hi\u1ec7n m\u1ea1nh m\u1ebd gen alfalfa WRKY11 gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ecbu m\u1eb7n trong \u0110\u1eadu t\u01b0\u01a1ng"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 12pt;\">Theo nh\u00f3m\u00a0 nghi\u00ean c\u1ee9u c\u1ee7a Youjing Wang,\u00a0 \u0110\u1eadu t\u01b0\u01a1ng l\u00e0 m\u1ed9t lo\u1ea1i c\u00e2y tr\u1ed3ng kinh t\u1ebf quan tr\u1ecdng c\u00f3 h\u00e0m l\u01b0\u1ee3ng protein cao v\u00e0 t\u1ed1t h\u01a1n b\u1ea5t k\u1ef3 ngu\u1ed3n protein th\u1ef1c v\u1eadt ph\u1ed5 bi\u1ebfn n\u00e0o kh\u00e1c;\u00a0cung c\u1ea5p m\u1ed9t ngu\u1ed3n quan tr\u1ecdng cho th\u1ee9c \u0103n c\u1ee7a con ng\u01b0\u1eddi, d\u1ea7u \u0103n, th\u1ee9c \u0103n ch\u0103n nu\u00f4i.\u00a0Ngo\u00e0i ra, d\u1ea7u \u0111\u1eadu t\u01b0\u01a1ng c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ngu\u1ed3n nhi\u00ean li\u1ec7u v\u00e0 th\u1eadm ch\u00ed l\u00e0 ngu\u1ed3n cung c\u1ea5p thu\u1ed1c cho c\u00e1c \u0111\u1eb7c t\u00ednh ch\u1ed1ng ung th\u01b0.\u00a0L\u00e0 c\u00e2y h\u1ecd \u0111\u1eadu, \u0111\u1eadu t\u01b0\u01a1ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 h\u00e0m l\u01b0\u1ee3ng nit\u01a1 trong \u0111\u1ea5t b\u1eb1ng c\u00e1ch c\u1ed1 \u0111\u1ecbnh nit\u01a1 kh\u00ed quy\u1ec3n.\u00a0\u0110\u1eadu t\u01b0\u01a1ng \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t lo\u1ea1i c\u00e2y tr\u1ed3ng ch\u1ecbu m\u1eb7n v\u1eeba ph\u1ea3i, nh\u01b0ng n\u0103ng su\u1ea5t c\u1ee7a n\u00f3 b\u1ecb \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng b\u1edfi \u0111\u1ed9 m\u1eb7n c\u1ee7a \u0111\u1ea5t v\u00ec t\u1ef7 l\u1ec7 n\u1ea3y m\u1ea7m v\u00e0 t\u1ef7 l\u1ec7 t\u1ea1o h\u1ea1t gi\u1ed1ng gi\u1ea3m d\u01b0\u1edbi s\u1ef1 c\u0103ng th\u1eb3ng c\u1ee7a mu\u1ed1i.\u00a0Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, t\u00ecnh tr\u1ea1ng nhi\u1ec5m m\u1eb7n \u0111\u1ea5t \u0111\u00e3 nhanh ch\u00f3ng tr\u1edf th\u00e0nh m\u1ed9t v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng, v\u00ec 20% di\u1ec7n t\u00edch \u0111\u1ea5t canh t\u00e1c v\u00e0 33% di\u1ec7n t\u00edch \u0111\u1ea5t \u0111\u01b0\u1ee3c t\u01b0\u1edbi ti\u00eau b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi mu\u1ed1i v\u00e0 suy tho\u00e1i. \u0110\u1ea5t c\u00f3 s\u1eb5n cho c\u00e2y tr\u1ed3ng n\u00f4ng nghi\u1ec7p \u0111\u00e3 gi\u1ea3m m\u1ed7i n\u0103m.\u00a0Vi\u1ec7c x\u00e1c \u0111\u1ecbnh v\u00e0 m\u00f4 t\u1ea3 c\u00e1c gen ch\u1ecbu m\u1eb7n l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 thu \u0111\u01b0\u1ee3c c\u00e1c gi\u1ed1ng \u0111\u1eadu t\u01b0\u01a1ng ch\u1ecbu m\u1eb7n, v\u00e0 c\u00f4ng ngh\u1ec7 chuy\u1ec3n gen l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n quan tr\u1ecdng \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c gi\u1ed1ng \u0111\u1eadu t\u01b0\u01a1ng ch\u1ecbu m\u1eb7n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 12pt;\">C\u00e1c y\u1ebfu t\u1ed1 phi\u00ean m\u00e3 WRKY \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a th\u1ef1c v\u1eadt trong qu\u00e1 tr\u00ecnh stress m\u00f4i tr\u01b0\u1eddng. C\u00e1c h\u1ec7 WRKY bao g\u1ed3m m\u1ed9t ho\u1eb7c hai l\u0129nh v\u1ef1c, trong \u0111\u00f3 bao g\u1ed3m kho\u1ea3ng 60 axit amin. N\u00f3 c\u00f3 c\u00e1c axit amin chu\u1ed7i WRKYGQK \u0111\u01b0\u1ee3c b\u1ea3o t\u1ed3n t\u1ea1i N-terminus v\u00e0 C2H2 (Cx4-5Cx22-23HxH) ho\u1eb7c C2HC (Cx7Cx23HxC) ki\u1ec3u zinc finger (ZF) t\u1ea1i C-terminus. WRKY WRDS c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1eddng truy\u1ec1n t\u00edn hi\u1ec7u ho\u00f3c-m\u00f4n th\u1ef1c v\u1eadt trong ph\u1ea3n \u1ee9ng v\u00e0 c\u0169ng c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t ho\u1eb7c \u1ee9c ch\u1ebf s\u1ef1 bi\u1ec3u hi\u1ec7n c\u1ee7a c\u00e1c gen xu\u00f4i th\u00f4ng qua s\u1ef1 g\u1eafn k\u1ebft v\u1edbi m\u00f4 h\u00ecnh h\u1ed9p W (TTGAC\/T). WRKY TFs c\u00f3 li\u00ean quan \u0111\u1ebfn nhi\u1ec1u kh\u00eda c\u1ea1nh c\u1ee7a s\u1ef1 t\u0103ng tr\u01b0\u1edfng, ph\u00e1t tri\u1ec3n v\u00e0 ph\u1ea3n \u1ee9ng c\u1ee7a c\u00e2y tr\u1ed3ng. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, s\u1ed1 l\u01b0\u1ee3ng WRKY TFs ng\u00e0y c\u00e0ng t\u0103ng \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y c\u00f3 li\u00ean quan \u0111\u1ebfn ph\u1ea3n \u1ee9ng c\u1ee7a c\u00e2y \u0111\u1ed1i v\u1edbi stress phi sinh h\u1ecdc.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 12pt;\">C\u00e1c y\u1ebfu t\u1ed1 phi\u00ean m\u00e3 WRKY \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh t\u00e1i l\u1eadp tr\u00ecnh phi\u00ean m\u00e3 li\u00ean quan \u0111\u1ebfn ph\u1ea3n \u1ee9ng stress phi sinh h\u1ecdc th\u1ef1c v\u1eadt. Trong nghi\u00ean c\u1ee9u n\u00e0y, y\u1ebfu t\u1ed1 phi\u00ean m\u00e3 WRKY MsWRKY11 , c\u00f3 ch\u1ee9a m\u00f4 h\u00ecnh DNA-ZF \u0111\u1eb7c tr\u01b0ng c\u1ee7a c\u00e2y tr\u1ed3ng, \u0111\u01b0\u1ee3c ph\u00e2n l\u1eadp t\u1eeb c\u1ecf linh l\u0103ng. C\u00e1c MsWRKY11 gen \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n trong t\u1ea5t c\u1ea3 c\u00e1c t\u1ebf b\u00e0o th\u1ef1c v\u1eadt (r\u1ec5, th\u00e2n, l\u00e1, hoa v\u00e0 tr\u00e1i c\u00e2y), v\u1edbi bi\u1ec3u hi\u1ec7n cao trong r\u1ec5 v\u00e0 l\u00e1 m\u00f4. MsWRKY11 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng v\u1edbi m\u1ed9t lo\u1ea1t c\u00e1c stress phi sinh h\u1ecdc, bao g\u1ed3m \u0111\u1ed9 m\u1eb7n, ki\u1ec1m, l\u1ea1nh, axit abscisic v\u00e0 h\u1ea1n h\u00e1n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 12pt;\">Bi\u1ec3u hi\u1ec7n qu\u00e1 m\u1ee9c c\u1ee7a MsWRKY11trong \u0111\u1eadu t\u01b0\u01a1ng t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ecbu m\u1eb7n \u1edf giai \u0111o\u1ea1n c\u00e2y con. \u0110\u1eadu t\u01b0\u01a1ng chuy\u1ec3n gen c\u00f3 ki\u1ec3u h\u00ecnh ch\u1ecbu m\u1eb7n t\u1ed1t h\u01a1n, c\u00e1c hypocotyl d\u00e0i h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi gi\u1ed1ng \u0111\u1eadu hoang d\u1ea1i sau khi x\u1eed l\u00fd mu\u1ed1i. H\u01a1n n\u1eefa, bi\u1ec3u hi\u1ec7n qu\u00e1 m\u1ee9c c\u1ee7a MsWRKY11 l\u00e0m t\u0103ng h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t di\u1ec7p l\u1ee5c, proline, \u0111\u01b0\u1eddng h\u00f2a tan, superoxide dismutase v\u00e0 catalase, nh\u01b0ng gi\u1ea3m \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 h\u00e0m l\u01b0\u1ee3ng malonaldehyde, H2O2 v\u00e0 O2- .<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 12pt;\">Chi\u1ec1u cao c\u00e2y, v\u1ecf c\u00e2y \/ c\u00e2y, h\u1ea1t tr\u00ean m\u1ed7i c\u00e2y v\u00e0 100 h\u1ea1t gi\u1ed1ng \u0111\u1eadu t\u01b0\u01a1ng chuy\u1ec3n gen MsWRKY11 cao h\u01a1n so v\u1edbi \u0111\u1eadu t\u01b0\u01a1ng ki\u1ec3u hoang d\u00e3, \u0111\u1eb7c bi\u1ec7t l\u00e0 OX2. K\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m mu\u1ed1i cho th\u1ea5y MsWRKY11 c\u00f3 li\u00ean quan \u0111\u1ebfn ph\u1ea3n \u1ee9ng stress c\u1ee7a mu\u1ed1i v\u00e0 s\u1ef1 bi\u1ec3u hi\u1ec7n qu\u00e1 m\u1ee9c c\u1ee7a n\u00f3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu m\u1eb7n trong \u0111\u1eadu t\u01b0\u01a1ng.<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 12pt;\"><em>Ngu\u1ed3n: ncbi.nlm.nih.gov<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Theo nh\u00f3m\u00a0 nghi\u00ean c\u1ee9u c\u1ee7a Youjing Wang,\u00a0 \u0110\u1eadu t\u01b0\u01a1ng l\u00e0 m\u1ed9t lo\u1ea1i c\u00e2y tr\u1ed3ng kinh t\u1ebf quan tr\u1ecdng c\u00f3 h\u00e0m l\u01b0\u1ee3ng protein cao v\u00e0 t\u1ed1t h\u01a1n b\u1ea5t k\u1ef3 ngu\u1ed3n protein th\u1ef1c v\u1eadt ph\u1ed5 bi\u1ebfn n\u00e0o kh\u00e1c;\u00a0cung c\u1ea5p m\u1ed9t ngu\u1ed3n quan tr\u1ecdng cho th\u1ee9c \u0103n c\u1ee7a con ng\u01b0\u1eddi, d\u1ea7u \u0103n, th\u1ee9c \u0103n ch\u0103n nu\u00f4i.\u00a0Ngo\u00e0i ra, d\u1ea7u [&#8230;]\n","protected":false},"author":1,"featured_media":6477,"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\/6840"}],"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=6840"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6840\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6477"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}