{"id":1772,"date":"2014-06-01T10:21:01","date_gmt":"2014-06-01T03:21:01","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1772"},"modified":"2014-06-01T10:21:01","modified_gmt":"2014-06-01T03:21:01","slug":"su-the-hien-thanh-cong-gen-trong-cay-khoai-lang-lam-tang-nang-suat-hat-arabidopsis","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/su-the-hien-thanh-cong-gen-trong-cay-khoai-lang-lam-tang-nang-suat-hat-arabidopsis\/","title":{"rendered":"S\u1ef1 th\u1ec3 hi\u1ec7n th\u00e0nh c\u00f4ng gen trong c\u00e2y khoai lang l\u00e0m t\u0103ng n\u0103ng su\u1ea5t h\u1ea1t Arabidopsis"},"content":{"rendered":"
Expansins l\u00e0 nh\u1eefng proteins c\u00f3 trong nhi\u1ec7m v\u1ee5 l\u00e0m n\u1ec1n cho s\u1ef1 ki\u1ec7n n\u1edbi l\u1ecfng th\u00e0nh t\u1ebf b\u00e0o v\u00e0 ch\u00fang c\u00f2n l\u00e0 nh\u1eefng ph\u00e2n t\u1eed regulators trong s\u1ef1 ki\u1ec7n k\u00e9o d\u00e0i th\u00e0nh t\u1ebf b\u00e0o trong qu\u00e1 tr\u00ecnh t\u0103ng tr\u01b0\u1edfng t\u1ebf b\u00e0o th\u1ef1c v\u1eadt
\n<\/span>\u0110\u0103ng ng\u00e0y 01-06-2014<\/span> trong chuy\u00ean m\u1ee5c Tin th\u1ebf gi\u1edbi<\/a><\/div>\n
\n

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Expansins<\/strong> l\u00e0 nh\u1eefng proteins c\u00f3 trong nhi\u1ec7m v\u1ee5 l\u00e0m n\u1ec1n cho s\u1ef1 ki\u1ec7n n\u1edbi l\u1ecfng th\u00e0nh t\u1ebf b\u00e0o v\u00e0 ch\u00fang c\u00f2n l\u00e0 nh\u1eefng ph\u00e2n t\u1eed regulators<\/strong> trong s\u1ef1 ki\u1ec7n k\u00e9o d\u00e0i th\u00e0nh t\u1ebf b\u00e0o trong qu\u00e1 tr\u00ecnh t\u0103ng tr\u01b0\u1edfng t\u1ebf b\u00e0o th\u1ef1c v\u1eadt. Tuy nhi\u00ean, r\u1ea5t c\u00f3 \u00edt th\u00f4ng tin v\u1ec1 nh\u1eefng ch\u1ee9c n\u0103ng sinh h\u1ecdc nh\u01b0 v\u1eady trong t\u0103ng tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n th\u1ef1c v\u1eadt. Nh\u1eefng ph\u00e2n t\u00edch transcriptome tr\u01b0\u1edbc \u0111\u00e2y cho th\u1ea5y c\u00e1c gen expansin c\u00f3 vai tr\u00f2 t\u00edch c\u1ef1c trong ph\u00e1t tri\u1ec3n c\u1ee7a h\u1ea1t v\u00e0 n\u0103ng su\u1ea5t. Trong nghi\u00ean c\u1ee9u n\u00e0y, gen expansin c\u1ee7a khoai lang (IbEXP1<\/em><\/strong>) \u0111\u00e3 th\u1ec3 hi\u1ec7n th\u00e0nh c\u00f4ng trong c\u00e2y Arabidopsis<\/em> nh\u1eb1m x\u00e1c \u0111\u1ecbnh \u1ea3nh h\u01b0\u1edfng c\u1ee7a gen expansin trong giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n h\u1ea1t v\u00e0 n\u0103ng su\u1ea5t c\u1ee7a nh\u1eefng c\u00e2y d\u1ecb h\u1ee3p (heterologous). M\u1ee9c \u0111\u1ed9 t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1ee3c t\u0103ng l\u00ean trong c\u00e2y th\u1ec3 hi\u1ec7n gen IbEXP1<\/em> so v\u1edbi c\u00e2y nguy\u00ean th\u1ee7y trong gia \u0111o\u1ea1n t\u0103ng tr\u01b0\u1edfng. L\u00e1 d\u1ea1ng h\u00ecnh hoa th\u1ecb (rosette) v\u1edbi s\u1ed1 l\u01b0\u1ee3ng qu\u1ea3 (siliques) d\u1ea7y \u0111\u1eb7c h\u01a1n \u0111\u01b0\u1ee3c quan s\u00e1t tr\u00ean c\u00e2y transgenic so v\u1edbi \u0111\u1ed1i ch\u1ee9ng trong su\u1ed1t giai \u0111o\u1ea1n sinh d\u1ee5c. C\u00e2y transgenic s\u1ea3n sinh h\u1ea1t to h\u01a1n v\u00e0 t\u00edch t\u1ee5 nhi\u1ec1u h\u01a1n h\u00e0m l\u01b0\u1ee3ng protein, tinh b\u1ed9t. C\u00e2y transgenics s\u1ea3n sinh nhi\u1ec1u h\u01a1n c\u00e1c nh\u00e1nh hoa v\u00e0 qu\u1ea3 (siliques) so v\u1edbi gi\u1ed1ng nguy\u00ean th\u1ee7y (wild-type), l\u00e0m t\u0103ng n\u0103ng su\u1ea5t h\u1ea1t \/ c\u00e2y. \u1ea2nh h\u01b0\u1edfng c\u1ee7a s\u1ef1 th\u1ec3 hi\u1ec7n th\u00e0nh c\u00f4ng gen IbEXP1<\/em> x\u00e9t theo k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 theo s\u1ed1 h\u1ea1t trong c\u00e2y d\u1ecb h\u1ee3p \u0111\u01b0\u1ee3c kh\u1eb3ng \u0111\u1ecbnh. C\u1ea3i ti\u1ebfn \u0111\u01b0\u1ee3c hai t\u00ednh tr\u1ea1ng \u1ea5y l\u00e0m cho n\u0103ng su\u1ea5t h\u1ea1t t\u0103ng l\u00ean r\u00f5 r\u00e0ng.<\/p>\n

Xem\u00a0http:\/\/link.springer.com\/article\/10.1007\/s11248-014-9804-1\/fulltext.html<\/a>.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Expansins l\u00e0 nh\u1eefng proteins c\u00f3 trong nhi\u1ec7m v\u1ee5 l\u00e0m n\u1ec1n cho s\u1ef1 ki\u1ec7n n\u1edbi l\u1ecfng th\u00e0nh t\u1ebf b\u00e0o v\u00e0 ch\u00fang c\u00f2n l\u00e0 nh\u1eefng ph\u00e2n t\u1eed regulators trong s\u1ef1 ki\u1ec7n k\u00e9o d\u00e0i th\u00e0nh t\u1ebf b\u00e0o trong qu\u00e1 tr\u00ecnh t\u0103ng tr\u01b0\u1edfng t\u1ebf b\u00e0o th\u1ef1c v\u1eadt \u0110\u0103ng ng\u00e0y 01-06-2014 trong chuy\u00ean m\u1ee5c Tin th\u1ebf gi\u1edbi Expansins l\u00e0 nh\u1eefng […]\n","protected":false},"author":1,"featured_media":1782,"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\/1772"}],"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=1772"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/1772\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/1782"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=1772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=1772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=1772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}