{"id":6552,"date":"2012-03-15T04:05:28","date_gmt":"2012-03-14T21:05:28","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=2378"},"modified":"2012-03-15T04:05:28","modified_gmt":"2012-03-14T21:05:28","slug":"ban-do-qtl-tinh-khang-sau-duc-than-bap-the-he-thu-nhat-va-thu-hai","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/ban-do-qtl-tinh-khang-sau-duc-than-bap-the-he-thu-nhat-va-thu-hai\/","title":{"rendered":"B\u1ea3n \u0111\u1ed3 QTL t\u00ednh kh\u00e1ng s\u00e2u \u0111\u1ee5c th\u00e2n b\u1eafp th\u1ebf h\u1ec7 th\u1ee9 nh\u1ea5t v\u00e0 th\u1ee9 hai"},"content":{"rendered":"
\n

S\u00e2u \u0111\u1ee5c th\u00e2n b\u1eafp ECB (European corn borer) l\u00e0 m\u1ed9t trong nh\u1eefng s\u00e2u h\u1ea1i ch\u00ednh c\u1ee7a v\u00f9ng tr\u1ed3ng b\u1eafp (maize) \u1edf B\u1eafc M\u1ef9 v\u00e0 Ch\u00e2u \u00c2u, l\u00e0m t\u1ed5n th\u1ea5t n\u0103ng su\u1ea5t nghi\u00eam tr\u1ecdng. E. Orsini av\u00e0 ctv. thu\u1ed9c \u0110\u1ea1i H\u1ecdc Hohenheim \u0111\u00e3 l\u1eadp b\u1ea3n \u0111\u1ed3 v\u00e0 \u0111\u1ecbnh t\u00ednh \u0111\u01b0\u1ee3c t\u00ednh tr\u1ea1ng ph\u1ee9c t\u1ea1p n\u00e0y, cho th\u1ea5t \u1ea3nh h\u01b0\u1edfng c\u1ee7a t\u00ednh kh\u00e1ng \u0111\u1ed1i v\u1edbi th\u1ebf h\u1ec7 th\u1ee9 nh\u1ea5t (ECB1) v\u00e0 th\u1ebf h\u1ec7 th\u1ee9 hai (ECB2) c\u1ee7a s\u00e2u \u0111\u1ee5c th\u00e2n ECB c\u0169ng nh\u01b0 chi\u1ebfu cao c\u00e2y, b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng ch\u1ec9 th\u1ecb SNP (single-nucleotide polymorphism) v\u00e0 88 microsatellites.<\/span><\/p>\n

\u0110\u0103ng ng\u00e0y 10-04-2012<\/span> trong chuy\u00ean m\u1ee5c Tin th\u1ebf gi\u1edbi<\/a><\/p>\n<\/div>\n

Trong t\u1ed5ng s\u1ed1 144 con lai th\u1eed nghi\u1ec7m TC (testcross) c\u1ee7a qu\u1ea7n th\u1ec3 DH (double haploid) \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb b\u1ed1 m\u1eb9 c\u1ee7a ngu\u1ed3n gen \u201cStiff Stalk germplasm pool\u201d, ng\u01b0\u1eddi ta \u0111\u00e3 t\u1eafc nghi\u1ec7m ch\u00fang \u1edf 6 \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau t\u1ea1i Hoa K\u1ef3, d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n l\u00e2y nhi\u1ec5m t\u1ef1 nhi\u00ean v\u00e0 nh\u00e2n t\u1ea1o v\u1edbi c\u00e1c \u1ea5u tr\u00f9ng c\u1ee7a s\u00e2u \u0111\u1ee5c th\u00e2n ECB. H\u1ecd \u0111\u00e3 \u0111\u00e1nh gi\u00e1 t\u00ednh kh\u00e1ng b\u1eb1ng c\u00e1ch quan s\u00e1t m\u1ee9c \u0111\u1ed9 \u0103n c\u1ee7a s\u00e2u tr\u00ean l\u00e1 \u0111\u1ed1i v\u1edbi th\u1ebf h\u1ec7 ECB1\u00a0 v\u00e0 l\u00e0m t\u1ed5n h\u1ea1i th\u00e2n b\u1eafp \u0111\u1ed1i v\u1edbi th\u1ebf h\u1ec7 ECB2. K\u1ebft qu\u1ea3 cho th\u1ea5y r\u1eb1ng kh\u00f4ng c\u00f3 \u00fd ngh\u0129a kh\u00e1c bi\u1ebft trong bi\u1ebfn thi\u00ean ki\u1ec3u gen \u1edf t\u1ea5t c\u1ea3 c\u00e1c t\u00ednh tr\u1ea1ng nghi\u00ean c\u1ee9u trong th\u1ebf h\u1ec7 con lai TC. H\u1ec7 s\u1ed1 di truy\u1ec1n, t\u1ea7n su\u1ea5t bi\u1ebfn thi\u00ean ki\u1ec3u h\u00ecnh do bi\u1ebfn d\u1ecb ki\u1ec3u gen gi\u1eefa hai c\u00e1 th\u1ec3, t\u01b0\u01a1ng \u0111\u1ed1i cao \u0111\u1ed1i v\u1edbi s\u1ef1 ki\u1ec7n th\u00e2n b\u1ecb g\u00e3y v\u00e0 chi\u1ec1u cao c\u00e2y, nh\u01b0ng cho ph\u1ea3n \u1ee9ng trung b\u00ecnh \u0111\u1ed1i v\u1edbi ch\u1ec9 ti\u00eau s\u00e2u \u0103n l\u00e1.
\nBa QTLs \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y c\u00f3 li\u00ean quan \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng g\u00e3y th\u00e2n, m\u1ed9t QTL \u0111\u1ed1i v\u1edbi s\u1ef1 ki\u1ec7n \u0103n l\u00e1 (leaf feeding), v\u00e0 hai QTL \u0111\u1ed1i v\u1edbi chi\u1ec1u cao c\u00e2y. Ch\u00ednh QTL \u0111\u1ed1i v\u1edbi s\u1ef1 ki\u1ec7n \u0103n l\u00e1 \u0111\u01b0\u1ee3c ng\u01b0\u1eddi ta t\u00ecm th\u1ea5y v\u00f9ng m\u1ee5c ti\u00eau tr\u00ean nhi\u1ec5m s\u1eafc th\u1ec3 c\u00f3 trong d\u1eef li\u1ec7u ng\u00e2n h\u00e0ng gen b\u1eafp, cho ph\u00e9p nh\u00e0 ch\u1ecdn gi\u1ed1n s\u1eed d\u1ee5ng MAS (market-assisted selection) \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c d\u00f2ng b\u1eafp kh\u00e1ng s\u00e2u.
\nT\u00ecm hi\u1ec3u th\u00eam t\u1ea1i http:\/\/www.springerlink.com\/content\/9p4x36uj76410611\/<\/a>.<\/p>\n

Theo agbiotech.com.vn<\/p>\n","protected":false},"excerpt":{"rendered":"

S\u00e2u \u0111\u1ee5c th\u00e2n b\u1eafp ECB (European corn borer) l\u00e0 m\u1ed9t trong nh\u1eefng s\u00e2u h\u1ea1i ch\u00ednh c\u1ee7a v\u00f9ng tr\u1ed3ng b\u1eafp (maize) \u1edf B\u1eafc M\u1ef9 v\u00e0 Ch\u00e2u \u00c2u, l\u00e0m t\u1ed5n th\u1ea5t n\u0103ng su\u1ea5t nghi\u00eam tr\u1ecdng. E. Orsini av\u00e0 ctv. thu\u1ed9c \u0110\u1ea1i H\u1ecdc Hohenheim \u0111\u00e3 l\u1eadp b\u1ea3n \u0111\u1ed3 v\u00e0 \u0111\u1ecbnh t\u00ednh \u0111\u01b0\u1ee3c t\u00ednh tr\u1ea1ng ph\u1ee9c t\u1ea1p n\u00e0y, cho […]\n","protected":false},"author":1,"featured_media":6487,"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\/6552"}],"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=6552"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6552\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6487"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}