{"id":9339,"date":"2010-02-04T02:32:16","date_gmt":"2010-02-03T19:32:16","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2010\/02\/phan-tich-da-dang-di-truyen-loai-gioi-xuong-michelia-baillonii-pierre-fin-et-gagnep-bang-chi-thi-phan-tu-rapd-va-cpssr\/"},"modified":"2015-05-19T13:37:10","modified_gmt":"2015-05-19T06:37:10","slug":"phan-tich-da-dang-di-truyen-loai-gioi-xuong-michelia-baillonii-pierre-fin-et-gagnep-bang-chi-thi-phan-tu-rapd-va-cpssr","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/phan-tich-da-dang-di-truyen-loai-gioi-xuong-michelia-baillonii-pierre-fin-et-gagnep-bang-chi-thi-phan-tu-rapd-va-cpssr\/","title":{"rendered":"Ph\u00e2n t\u00edch \u0111a d\u1ea1ng di truy\u1ec1n lo\u00e0i Gi\u1ed5i x\u01b0\u01a1ng (Michelia baillonii (Pierre) Fin.et Gagnep) b\u1eb1ng ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed Rapd v\u00e0 cpSSR"},"content":{"rendered":"

T\u1ea2I TO\u00c0N B\u1ed8 B\u00c0I B\u00c1O<\/a><\/p>\n

Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a<\/strong><\/p>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em><\/p>\n

Nguy\u1ec5n \u0110\u1ee9c Th\u00e0nh, L\u00ea Th\u1ecb B\u00edch Thu\u1ef7<\/strong><\/p>\n

Vi\u1ec7n C\u00f4ng ngh\u1ec7 Sinh h\u1ecdc<\/em><\/p>\n

T\u00d3M T\u1eaeT<\/strong><\/p>\n

Gi\u1ed5i x\u01b0\u01a1ng (Michelia baillonii<\/em> (Pierre) Fin. et Gagnep.) l\u00e0 lo\u00e0i c\u00e2y g\u1ed7 l\u1edbn thu\u1ed9c h\u1ecd Ng\u1ecdc lan (Magnoliaceae), c\u00f3 ph\u00e2n b\u1ed1 t\u1ef1 nhi\u00ean \u1edf Nam Trung Qu\u1ed1c, L\u00e0o, Myanma v\u00e0 Vi\u1ec7t Nam. M\u1ed9t s\u1ed1 xu\u1ea5t x\u1ee9 Gi\u1ed5i x\u01b0\u01a1ng \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u1eadp t\u1eeb Trung Qu\u1ed1c v\u00e0o kh\u1ea3o nghi\u1ec7m \u1edf n\u01b0\u1edbc ta v\u00e0 vi\u1ec7c \u0111\u00e1nh gi\u00e1 \u0111a d\u1ea1ng di truy\u1ec1n c\u1ee7a c\u00e1c xu\u1ea5t x\u1ee9 n\u00e0y l\u00e0 c\u1ea7n thi\u1ebft. Nghi\u00ean c\u1ee9u cho th\u1ea5y c\u00e1c m\u1eabu Gi\u1ed5i c\u00f3 m\u1ee9c \u0111\u1ed9 \u0111a d\u1ea1ng di truy\u1ec1n gen nh\u00e2n cao c\u00f3 th\u1ec3 l\u00e0 do t\u00e1c \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec1u ki\u1ec7n sinh th\u00e1i l\u00ean c\u00e1c t\u00ednh tr\u1ea1ng th\u00edch nghi c\u1ee7a t\u1eebng v\u00f9ng c\u1ee5 th\u1ec3 trong m\u1ed9t lo\u00e0i (Gi\u1ed5i x\u01b0\u01a1ng) \u0111\u1ec3 t\u1ea1o n\u00ean c\u00e1c xu\u1ea5t x\u1ee9 kh\u00e1c bi\u1ec7t nhau v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c bi\u1ec7t c\u1ee7a lo\u00e0i Gi\u1ed5i xanh (c\u00e1c m\u1eabu Ph\u00fa Th\u1ecd). C\u00e1c xu\u1ea5t x\u1ee9 Gi\u1ed5i c\u00f3 m\u1ed1i quan h\u1ec7 di truy\u1ec1n r\u1ea5t kh\u00e1c nhau (h\u1ec7 s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed3ng di truy\u1ec1n ch\u1ec9 l\u00e0 30%) v\u00e0 chia th\u00e0nh 4 nh\u00f3m ch\u00ednh, quan h\u1ec7 di truy\u1ec1n kh\u00e1c nhau t\u1edbi 45%. Nh\u00f3m 1 g\u1ed3m ph\u1ea7n l\u1edbn c\u00e1c m\u1eabu xu\u1ea5t x\u1ee9 Puwen (I) v\u00e0 Jiangcheng (II) v\u00e0 hai xu\u1ea5t x\u1ee9 n\u00e0y c\u0169ng t\u00e1ch ri\u00eang th\u00e0nh hai nh\u00f3m ph\u1ee5 kh\u00e1c h\u1eb3n nhau. Nh\u00f3m 2 g\u1ed3m c\u00e1c m\u1eabu xu\u1ea5t x\u1ee9 \u0110\u00e0 L\u1ea1t v\u00e0 Ph\u00fa Th\u1ecd, v\u00e0 hai xu\u1ea5t x\u1ee9 n\u00e0y c\u0169ng t\u00e1ch th\u00e0nh hai nh\u00f3m ph\u1ee5 ri\u00eang bi\u1ec7t. Nh\u00f3m 3 g\u1ed3m c\u00e1c m\u1eabu xu\u1ea5t x\u1ee9 Menghai (III) v\u00e0 nh\u00f3m 4 g\u1ed3m c\u00e1c m\u1eabu xu\u1ea5t x\u1ee9 Jinghong (IV). C\u1eb7p m\u1ed3i \u0111\u1eb7c hi\u1ec7u cpSSR d\u00f9ng trong ph\u00e2n t\u00edch ADN l\u1ee5c l\u1ea1p \u0111\u00e3 kh\u00f4ng ch\u1ec9 ra \u0111\u01b0\u1ee3c t\u00ednh \u0111a h\u00ecnh. K\u1ebft qu\u1ea3 nh\u1eadn \u0111\u01b0\u1ee3c cho ph\u00e9p kh\u1eb3ng \u0111\u1ecbnh s\u1ef1 b\u1ea3o th\u1ee7 r\u1ea5t cao v\u1ec1 m\u1eb7t di truy\u1ec1n trong h\u1ec7 gen l\u1ee5c l\u1ea1p c\u1ee7a Gi\u1ed5i x\u01b0\u01a1ng. Nh\u01b0 v\u1eady vi\u1ec7c \u0111\u01b0a c\u00e1c xu\u1ea5t x\u1ee9 t\u1eeb Trung Qu\u1ed1c v\u00e0o kh\u1ea3o nghi\u1ec7m v\u00e0 g\u00e2y tr\u1ed3ng \u1edf n\u01b0\u1edbc ta l\u00e0 g\u00f3p ph\u1ea7n v\u00e0o l\u00e0m t\u0103ng \u0111a d\u1ea1ng di truy\u1ec1n c\u1ee7a lo\u00e0i, b\u1ed5 sung ngu\u1ed3n gen qu\u00fd cho lo\u00e0i Gi\u1ed5i x\u01b0\u01a1ng.<\/p>\n

T\u1eeb kho\u00e1<\/strong>: Gi\u1ed5i x\u01b0\u01a1ng, \u0110a d\u1ea1ng di truy\u1ec1n, RAPD, cpSSR<\/p>\n","protected":false},"excerpt":{"rendered":"

\n \n<\/p>\n

\nGi\u1ed5i x\u01b0\u01a1ng (Michelia baillonii<\/em> (Pierre) Fin. et Gagnep.) là loài cây g\u1ed7 l\u1edbn thu\u1ed9c h\u1ecd Ng\u1ecdc lan (Magnoliaceae), có phân b\u1ed1 t\u1ef1 nhiên \u1edf Nam Trung Qu\u1ed1c, Lào, Myanma và Vi\u1ec7t Nam. M\u1ed9t s\u1ed1 xu\u1ea5t x\u1ee9 Gi\u1ed5i x\u01b0\u01a1ng \u0111ã \u0111\u01b0\u1ee3c nh\u1eadp t\u1eeb Trung Qu\u1ed1c vào kh\u1ea3o nghi\u1ec7m \u1edf n\u01b0\u1edbc ta và vi\u1ec7c \u0111ánh giá \u0111a d\u1ea1ng di truy\u1ec1n c\u1ee7a các xu\u1ea5t x\u1ee9 này là c\u1ea7n thi\u1ebft. Nghiên c\u1ee9u cho th\u1ea5y các m\u1eabu Gi\u1ed5i có m\u1ee9c \u0111\u1ed9 \u0111a d\u1ea1ng di truy\u1ec1n gen nhân cao có th\u1ec3 là do tác \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec1u ki\u1ec7n sinh thái lên các tính tr\u1ea1ng thích nghi c\u1ee7a t\u1eebng vùng c\u1ee5 th\u1ec3 trong m\u1ed9t loài (Gi\u1ed5i x\u01b0\u01a1ng) \u0111\u1ec3 t\u1ea1o nên các xu\u1ea5t x\u1ee9 khác bi\u1ec7t nhau và \u0111\u1eb7c \u0111i\u1ec3m khác bi\u1ec7t c\u1ee7a loài Gi\u1ed5i xanh (các m\u1eabu Phú Th\u1ecd). Các xu\u1ea5t x\u1ee9 Gi\u1ed5i có m\u1ed1i quan h\u1ec7 di truy\u1ec1n r\u1ea5t khác nhau (h\u1ec7 s\u1ed1 t\u01b0\u01a1ng \u0111\u1ed3ng di truy\u1ec1n ch\u1ec9 là 30%) và chia thành 4 nhóm chính, quan h\u1ec7 di truy\u1ec1n khác nhau t\u1edbi 45%. <\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9339"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9339"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9339\/revisions"}],"predecessor-version":[{"id":12996,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9339\/revisions\/12996"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}