{"id":6736,"date":"2015-10-15T07:48:00","date_gmt":"2015-10-15T00:48:00","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1165"},"modified":"2015-10-15T07:48:00","modified_gmt":"2015-10-15T00:48:00","slug":"tang-truong-va-phat-truong-cua-bo-canh-cung-hai-khoai-tay-tren-cay-chuyen-gen-ocii-tu-lua","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/tang-truong-va-phat-truong-cua-bo-canh-cung-hai-khoai-tay-tren-cay-chuyen-gen-ocii-tu-lua\/","title":{"rendered":"T\u0103ng tr\u01b0\u1edfng v\u00e0 ph\u00e1t tr\u01b0\u1edfng c\u1ee7a b\u1ecd c\u00e1nh c\u1ee9ng h\u1ea1i khoai t\u00e2y tr\u00ean c\u00e2y chuy\u1ec3n gen OCII t\u1eeb l\u00faa"},"content":{"rendered":"
Nh\u1eefng ch\u1ea5t \u1ee9c ch\u1ebf proteinase c\u1ee7a th\u1ef1c v\u1eadt (PIs) l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 r\u1ea5t h\u1ea5p d\u1eabn \u0111\u1ed1i v\u1edbi nh\u00e0 khoa h\u1ecdc trong c\u1ea3i ti\u1ebfn gi\u1ed1ng c\u00e2y tr\u1ed3ng v\u00e0 s\u1ef1 th\u1ec3 hi\u1ec7n d\u1ecb h\u1ee3p t\u1eed c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng t\u00ednh kh\u00e1ng s\u00e2u h\u1ea1i c\u1ee7a c\u00e2y transgenic.\u00a0<\/span><\/div>\n
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PI oryzacystatin II (OCII), l\u00e0 gen m\u1ee5c ti\u00eau \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh c\u00f3 trong c\u00e2y l\u00faa, r\u1ea5t c\u00f3 ti\u1ec1m n\u0103ng trong ki\u1ec3m sao1t s\u00e2u h\u1ea1i c\u00e2y tr\u1ed3ng. Nh\u1eb1m \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 h\u1eefu hi\u1ec7u c\u1ee7a gen OCII trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 t\u1ef1 v\u1ec7 c\u1ee7a c\u00e2y, Aleksandar Cingel v\u00e0 ctv. thu\u1ed9c \u0110\u1ea1i H\u1ecdc Belgrade, Serbia \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng gen OCII chuy\u1ec3n n\u1ea1p n\u00f3 v\u00e0o c\u00e2y khoai t\u00e2y.<\/p>\n

H\u1ecd \u0111\u00e3 \u0111\u00e1nh gi\u00e1 t\u00ednh kh\u00e1ng c\u1ee7a c\u00e2y transgene \u0111\u1ed1i v\u1edbi b\u1ecd c\u00e1nh c\u1ee9ng h\u1ea1i khoai t\u00e2y c\u00f3 t\u00ean th\u00f4ng d\u1ee5ng l\u00e0 \u201cColorado potato beetle\u201d, t\u00ean khoa h\u1ecdc l\u00e0 Leptinotarsa decemlineata Say (h\u00ecnh). Cho s\u00e2u non \u0103n l\u00e1 khoai t\u00e2y transgenic v\u1edbi k\u1ebft qu\u1ea3 c\u00f3 \u00fd ngh\u0129a \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u0103ng tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a s\u00e2u. Tuy nhi\u00ean, n\u00f3 kh\u00f4ng l\u00e0m s\u00e2u ch\u1ebft v\u1edbi t\u1ef7 l\u1ec7 cao. S\u00e2u \u0103n l\u00e1 c\u00e2y chuy\u1ec3n gen nhanh h\u01a1n so v\u1edbi \u0111\u1ed1i ch\u1ee9ng. S\u00e2u ti\u1ebfn h\u01a1n giai \u0111o\u1ea1n tr\u01b0\u1edbc khi h\u00f3a nh\u1ed9ng (pre-pupal stage) s\u1edbm h\u01a1n so v\u1edbi \u0111\u1ed1i ch\u1ee9ng.<\/p>\n

V\u1edbi s\u1ef1 tr\u01b0\u1edfng th\u00e0nh s\u1edbm h\u01a1n c\u1ee7a s\u00e2u, s\u1ed1 l\u01b0\u1ee3ng l\u00e1 c\u00f3 gen chuy\u1ec3n n\u1ea1p OCII \u0111\u01b0\u1ee3c s\u00e2u ti\u00eau th\u1ee5 \u00edt h\u01a1n c\u00f3 \u00fd ngh\u0129a so v\u1edbi \u0111\u1ed1i ch\u1ee9ng. Kh\u1ed1i l\u01b0\u1ee3ng c\u01a1 th\u1ec3 c\u1ee7a s\u00e2u th\u1eddi k\u1ef3 tr\u01b0\u1edbc khi h\u00f3a nh\u1ed9ng c\u0169ng gi\u1ea3m 18% so v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng c\u01a1 th\u1ec3 s\u00e2u cho \u0103n v\u1edbi l\u00e1 khoai t\u00e2y b\u00ecnh th\u01b0\u1eddng. S\u1ef1 gi\u1ea3m c\u00e1c ch\u1ec9 s\u1ed1 c\u00f4n tr\u00f9ng (insect fitness) nh\u01b0 v\u1eady, so s\u00e1nh v\u1edbi \u0111\u1ed1i ch\u1ee9ng, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 qu\u1ea3n l\u00fd t\u00ednh kh\u00e1ng s\u00e2u h\u1ea1i CPB t\u1ed1t h\u01a1n trong canh t\u00e1c khoai t\u00e2y.<\/p>\n<\/div>\n

<\/div>\n
Xem Transgenic Research.<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Nh\u1eefng ch\u1ea5t \u1ee9c ch\u1ebf proteinase c\u1ee7a th\u1ef1c v\u1eadt (PIs) l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 r\u1ea5t h\u1ea5p d\u1eabn \u0111\u1ed1i v\u1edbi nh\u00e0 khoa h\u1ecdc trong c\u1ea3i ti\u1ebfn gi\u1ed1ng c\u00e2y tr\u1ed3ng v\u00e0 s\u1ef1 th\u1ec3 hi\u1ec7n d\u1ecb h\u1ee3p t\u1eed c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng t\u00ednh kh\u00e1ng s\u00e2u h\u1ea1i c\u1ee7a c\u00e2y transgenic.\u00a0 PI oryzacystatin II (OCII), l\u00e0 gen m\u1ee5c ti\u00eau […]\n","protected":false},"author":1,"featured_media":6300,"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\/6736"}],"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=6736"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6736\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6300"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6736"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}