{"id":6694,"date":"2015-05-06T08:44:24","date_gmt":"2015-05-06T01:44:24","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1402"},"modified":"2015-05-06T08:44:24","modified_gmt":"2015-05-06T01:44:24","slug":"chon-tao-thanh-cong-giong-dau-tuong-ung-pho-voi-nhung-thay-doi-bat-loi","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/chon-tao-thanh-cong-giong-dau-tuong-ung-pho-voi-nhung-thay-doi-bat-loi\/","title":{"rendered":"Ch\u1ecdn t\u1ea1o th\u00e0nh c\u00f4ng gi\u1ed1ng \u0111\u1eadu t\u01b0\u01a1ng \u1ee9ng ph\u00f3 v\u1edbi nh\u1eefng thay \u0111\u1ed5i b\u1ea5t l\u1ee3i"},"content":{"rendered":"
C\u00e1c nh\u00e0 khoa h\u1ecdc th\u1ef1c v\u1eadt \u1edf Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Nebraska \u2013 Lincoln (UNL) t\u1ea1i Hoa K\u1ef3 \u0111ang ph\u00e1t tri\u1ec3n gi\u1ed1ng \u0111\u1eadu t\u01b0\u01a1ng m\u1edbi c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ed1i ph\u00f3 v\u1edbi nh\u1eefng \u0111e d\u1ecda t\u1eeb s\u00e2u b\u1ec7nh v\u00e0 thay \u0111\u1ed5i kh\u00ed h\u1eadu trong khi v\u1eabn \u0111\u1ea1t \u0111\u01b0\u1ee3c n\u0103ng su\u1ea5t cao.<\/span><\/div>\n
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George Graef, chuy\u00ean gia ch\u1ecdn gi\u1ed1ng v\u00e0 di truy\u1ec1n \u0111\u1eadu t\u01b0\u01a1ng c\u1ee7a tr\u01b0\u1eddng UNL s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt ch\u1ecdn gi\u1ed1ng truy\u1ec1n th\u1ed1ng \u0111\u1ec3 t\u0103ng n\u0103ng su\u1ea5t v\u00e0 ch\u1ed1ng l\u1ea1i nh\u1eefng m\u1ed1i nguy l\u00e0m gi\u1ea3m n\u0103ng su\u1ea5t. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ph\u00e1t tri\u1ec3n nh\u1eefng gi\u1ed1ng \u0111\u1eadu t\u01b0\u01a1ng c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng s\u00e2u b\u1ec7nh, ch\u1ed1ng ch\u1ecbu \u0111i\u1ec1u ki\u1ec7n kh\u00f4 h\u1ea1n v\u00e0 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n thay \u0111\u1ed5i, bao g\u1ed3m c\u1ea3 vi\u1ec7c \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t cao.<\/p>\n<\/div>\n

Nh\u1eefng \u1ea3nh h\u01b0\u1edfng c\u00f3 th\u1ec3 l\u00e0 c\u00f3 th\u1ec3 xa h\u01a1n nhi\u1ec1u th\u1eadp k\u1ef7<\/div>\n
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V\u1ec1 ph\u01b0\u01a1ng di\u1ec7n ch\u1ecdn gi\u1ed1ng, c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1eadp trung v\u00e0o nh\u1eefng m\u1ee5c ti\u00eau v\u00e0 \u1ea3nh h\u01b0\u1edfng l\u00e2u d\u00e0i. S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a m\u1ed9t gi\u1ed1ng m\u1edbi b\u1eaft \u0111\u1ea7u v\u1edbi x\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau nh\u01b0 l\u00e0 t\u0103ng n\u0103ng su\u1ea5t hay l\u00e0 n\u00e2ng cao ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc. S\u1ea3n xu\u1ea5t m\u1ed9t gi\u1ed1ng \u0111\u1eadu t\u01b0\u01a1ng \u0111\u1ea1t n\u0103ng su\u1ea5t cao v\u00e0 s\u1eed d\u1ee5ng \u00edt n\u01b0\u1edbc l\u00e0 m\u1ee5c ti\u00eau quan tr\u1ecdng trong nh\u1eefng nghi\u00ean c\u1ee9u c\u1ee7a Tr\u01b0\u1eddng UNL.<\/p>\n<\/div>\n

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Gi\u00e1o s\u01b0 Graef n\u00f3i: \u201cCh\u00fang ta ph\u1ea3i t\u00ecm \u0111\u01b0\u1ee3c nh\u1eefng t\u00ednh tr\u1ea1ng v\u00e0 gen ki\u1ec3m so\u00e1t nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y. M\u1ed9t khi ch\u00fang ta x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c nh\u1eefng d\u00f2ng \u0111\u1eadu t\u01b0\u01a1ng \u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e0m b\u1ed1 m\u1eb9, sau \u0111\u00f3 lai d\u00f2ng. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong quy tr\u00ecnh ch\u1ecdn gi\u1ed1ng\u201d.<\/p>\n<\/div>\n

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Qu\u00e1 tr\u00ecnh lai d\u00f2ng b\u1eaft \u0111\u1ea7u \u1edf v\u01b0\u1eddn \u01b0\u01a1m v\u00e0o v\u1ee5 \u0111\u00f4ng \u1edf Puerto Rico hay l\u00e0 \u1edf ru\u1ed9ng th\u00ed nghi\u1ec7m n\u1eb1m trong khu v\u1ef1c East Campus, sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 tr\u00ean \u0111\u1ed3ng ru\u1ed9ng \u1edf Nebraska. Trong su\u1ed1t m\u00f9a \u0111\u00f4ng \u01a1 Nebraska, hai th\u1ebf h\u1ec7 ti\u1ebfp theo \u0111\u01b0\u1ee3c tr\u1ed3ng \u1edf v\u01b0\u1eddn \u01b0\u01a1m \u1edf Puerto Rico. \u1ede Chile, n\u01a1i m\u00e0 c\u00e2y sinh tr\u01b0\u1edfng l\u00e0 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u1edf Nebraska, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 nh\u1eefng t\u00ednh tr\u1ea1ng nh\u01b0 l\u00e0 n\u0103ng su\u1ea5t.<\/p>\n<\/div>\n

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Gi\u00e1o s\u01b0 Graef n\u00f3i: \u201cB\u1eb1ng c\u00e1ch tr\u1ed3ng nhi\u1ec1u v\u1ee5 tr\u00ean 1 n\u0103m, ch\u00fang ta c\u00f3 th\u1ec3 ho\u00e0n thi\u1ec7n quy tr\u00ecnh ch\u1ecdn gi\u1ed1ng trong 5 \u0111\u1ebfn 7 n\u0103m, bao g\u1ed3m c\u1ea3 vi\u1ec7c \u0111\u00e1nh gi\u00e1 gi\u1ed1ng tr\u00ean ph\u1ea1m vi v\u00f9ng \u1edf Hoa K\u1ef3\u201d<\/p>\n<\/div>\n

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T\u1eeb vi\u1ec7c lai ban \u0111\u1ea7u, 2 ho\u1eb7c 3 th\u1ebf h\u1ec7 \u0111\u1eadu t\u01b0\u01a1ng \u0111\u01b0\u1ee3c t\u1ef1 th\u1ee5 ph\u1ea5n. C\u00e2y \u0111\u1eadu t\u01b0\u01a1ng tr\u1ed3ng qua nhi\u1ec1u th\u1ebf h\u1ec7 t\u1ef1 th\u1ee5 ph\u1ea5n s\u1ebd l\u00e0m cho ch\u00fang c\u00f3 nhi\u1ec1u gen x\u00e1c \u0111\u1ecbnh t\u00ednh tr\u1ea1ng h\u01a1n, \u0111i\u1ec1u n\u00e0y s\u1ebd cho ph\u00e9p nh\u1eefng gen \u0111\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n l\u1eadp trong qu\u00e1 tr\u00ecnh lai \u1edf c\u00e1c c\u00e2y kh\u00e1c nhau trong qu\u1ea7n th\u1ec3. Sau \u0111\u00f3 c\u00e1c nh\u00e0 khoa h\u1ecdc thu nh\u1eefng c\u00e2y \u0111\u01a1n v\u00e0 t\u1ea1o ra nh\u1eefng d\u00f2ng \u0111\u1eadu t\u01b0\u01a1ng m\u1edbi.<\/p>\n<\/div>\n

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Ch\u00fang ta t\u1ea1o \u0111\u01b0\u1ee3c h\u00e0ng ngh\u00ecn d\u00f2ng trong 1 n\u0103m v\u00e0 trong s\u1ed1 \u0111\u00f3 ch\u1ecdn l\u1ecdc \u0111\u1ec3 \u0111\u01b0a v\u00e0o th\u1eed nghi\u1ec7m tr\u00ean \u0111\u1ed3ng ru\u1ed9ng \u1edf c\u00e1c khu v\u1ef1c kh\u00e1c nhau. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc \u0111\u00e1nh gi\u00e1 \u0111\u1ea7u ti\u00ean tr\u00ean \u0111\u1ed3ng ru\u1ed9ng \u1edf Nebraska \u1edf 4 – 5 khu v\u1ef1c kh\u00e1c nhau. \u0110\u00f3 l\u00e0 khi ch\u00fang ta c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 v\u1ec1 m\u1eb7t n\u0103ng su\u1ea5t, chi\u1ec1u cao, \u0111\u1ed9 ch\u00edn v\u00e0 b\u1ea5t k\u1ef3 \u0111\u1eb7c \u0111i\u1ec3m t\u00ednh tr\u1ea1ng n\u00e0o l\u00e0 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi v\u00f9ng Nebraska.<\/p>\n<\/div>\n

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D\u1ef1a tr\u00ean t\u1ea5t c\u1ea3 nh\u1eefng s\u1ed1 li\u1ec7u \u0111\u00f3, c\u00e1c nh\u00e0 khoa h\u1ecdc ch\u1ecdn l\u1ecdc nh\u1eefng d\u00f2ng \u0111\u1eadu t\u01b0\u01a1ng t\u1ed1t v\u00e0 c\u1ea3i ti\u1ebfn qua 2 ho\u1eb7c 3 n\u0103m th\u1eed nghi\u1ec7m \u1edf Nebraska v\u00e0 \u1edf c\u00e1c khu v\u1ef1c kh\u00e1c. Trong su\u1ed1t qu\u00e1 tr\u00ecnh n\u00e0y ch\u00fang \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch s\u1ed1 li\u1ec7u \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh n\u1ebfu b\u1ea5t k\u1ef3 nh\u1eefng d\u00f2ng \u0111\u1eadu t\u01b0\u01a1ng n\u00e0o m\u00e0 t\u1ed1t h\u01a1n nh\u1eefng gi\u1ed1ng \u0111ang s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u1ee7 t\u1ed1t \u0111\u1ec3 \u0111\u01b0a ra th\u00e0nh gi\u1ed1ng m\u1edbi.<\/p>\n<\/div>\n

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Nh\u1eefng \u1ea3nh h\u01b0\u1edfng mang t\u00ednh to\u00e0n c\u1ea7u<\/p>\n<\/div>\n

M\u1eb7c d\u00f9 nghi\u00ean c\u1ee9u c\u1ee7a gi\u00e1o s\u01b0 Graef t\u1eadp trung v\u00e0o c\u1ea3i thi\u1ec7n c\u00e1c gi\u1ed1ng \u0111\u1eadu t\u01b0\u01a1ng cho v\u00f9ng Nebraska, nh\u01b0ng nhi\u1ec1u trong s\u1ed1 nh\u1eefng k\u1ebft qu\u1ea3 n\u00e0y c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ed1i v\u1edbi s\u1ea3n xu\u1ea5t tr\u00ean th\u1ebf gi\u1edbi. \u0110\u1ea5t v\u00e0 kh\u00ed h\u1eadu \u1edf Nebraska kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n t\u1eeb v\u00f9ng n\u00e0y sang v\u00f9ng kh\u00e1c, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 s\u1ebd c\u00f3 nhi\u1ec1u v\u00f9ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng t\u1ef1 c\u00e1c khu v\u1ef1c kh\u00e1c tr\u00ean th\u1ebf gi\u1edbi. S\u1ef1 \u0111a d\u1ea1ng n\u00e0y bao g\u1ed3m v\u1ec1 \u0111\u1ea5t, kh\u00ed h\u1eadu, \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba l\u00fd, kh\u1ea3 n\u0103ng cung c\u1ea5p n\u01b0\u1edbc, h\u1ec7 th\u1ed1ng t\u01b0\u1edbi ti\u00eau, \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t. \u0110\u1ed9 pH trong \u0111\u1ea5t cao c\u00f3 th\u1ec3 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a b\u1ec7nh h\u00e9o v\u00e0ng \u1edf c\u00e2y \u0111\u1eadu t\u01b0\u01a1ng, m\u1ed9t v\u1ea5n \u0111\u1ec1 x\u1ea3y ra \u1edf m\u1ed9t s\u1ed1 c\u00e1nh \u0111\u1ed3ng \u0111\u1eadu t\u01b0\u01a1ng \u1edf Nebraska. Nh\u1eefng nh\u00e0 nghi\u00ean c\u1ee9u \u1edf Tr\u01b0\u1eddng UNL \u0111\u00e3 v\u00e0 \u0111ang x\u00e1c \u0111\u1ecbnh m\u1ed9t ki\u1ec3u gen cho ph\u00e9p c\u00e2y \u0111\u1eadu t\u01b0\u01a1ng c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n t\u1ed1t d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t cao.<\/div>\n
<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc th\u1ef1c v\u1eadt \u1edf Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Nebraska \u2013 Lincoln (UNL) t\u1ea1i Hoa K\u1ef3 \u0111ang ph\u00e1t tri\u1ec3n gi\u1ed1ng \u0111\u1eadu t\u01b0\u01a1ng m\u1edbi c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ed1i ph\u00f3 v\u1edbi nh\u1eefng \u0111e d\u1ecda t\u1eeb s\u00e2u b\u1ec7nh v\u00e0 thay \u0111\u1ed5i kh\u00ed h\u1eadu trong khi v\u1eabn \u0111\u1ea1t \u0111\u01b0\u1ee3c n\u0103ng su\u1ea5t cao. George Graef, chuy\u00ean gia ch\u1ecdn gi\u1ed1ng […]\n","protected":false},"author":1,"featured_media":6331,"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\/6694"}],"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=6694"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6694\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6331"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}