{"id":6717,"date":"2015-06-25T08:33:47","date_gmt":"2015-06-25T01:33:47","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1339"},"modified":"2015-06-25T08:33:47","modified_gmt":"2015-06-25T01:33:47","slug":"nghien-cuu-tinh-khang-cua-sau-hai-re-voi-phuong-phap-luan-canh-cay-trong","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/nghien-cuu-tinh-khang-cua-sau-hai-re-voi-phuong-phap-luan-canh-cay-trong\/","title":{"rendered":"Nghi\u00ean c\u1ee9u t\u00ednh kh\u00e1ng c\u1ee7a s\u00e2u h\u1ea1i r\u1ec5 v\u1edbi ph\u01b0\u01a1ng ph\u00e1p lu\u00e2n canh c\u00e2y tr\u1ed3ng"},"content":{"rendered":"<div class=\"TomTat clearfix\"><span id=\"ArticalDetail1_lblTeaser\" class=\"OverollContentDesc\">Sau nhi\u1ec1u th\u1eadp k\u1ef7 n\u1ed7 l\u1ef1c, c\u00e1c nh\u00e0 khoa h\u1ecdc cu\u1ed1i c\u00f9ng \u0111\u00e3 t\u00ecm ra c\u00e1ch th\u1ee9c c\u00f4n tr\u00f9ng ph\u00e1t tri\u1ec3n t\u00ednh kh\u00e1ng v\u1edbi bi\u1ec7n ph\u00e1p canh t\u00e1c th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng \u2013 ch\u1eb3ng h\u1ea1n nh\u01b0 lu\u00e2n canh c\u00e2y tr\u1ed3ng \u2013 bi\u1ec7n ph\u00e1p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ti\u00eau di\u1ec7t ch\u00fang.<\/span><\/div>\n<div class=\"NoiDungBai\">\n<div><\/div>\n<div>\n<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u cho bi\u1ebft r\u1eb1ng nh\u1eefng hi\u1ec3u bi\u1ebft c\u1ee7a h\u1ecd s\u1ebd gi\u00fap ph\u00e1t tri\u1ec3n c\u00e1c bi\u1ec7n ph\u00e1p canh t\u00e1c n\u00f4ng nghi\u1ec7p b\u1ec1n v\u1eefng h\u01a1n.<\/p>\n<\/div>\n<div>\n<p>Trong nghi\u00ean c\u1ee9u c\u1ee7a h\u1ecd, \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Evolutionary Applications, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u b\u00e1o c\u00e1o r\u1eb1ng ch\u00eca kh\u00f3a \u0111\u1ec3 kh\u00e1ng lu\u00e2n canh, \u00edt nh\u1ea5t l\u00e0 cho s\u00e2u h\u1ea1i r\u1ec5 ng\u00f4, n\u1eb1m trong ru\u1ed9t c\u1ee7a n\u00f3.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/hoala.vn\/upload\/img\/images\/recay.jpg\" alt=\"\" \/><\/p>\n<\/div>\n<div>\n<p>Nghi\u00ean c\u1ee9u tr\u01b0\u1edbc \u0111\u00e2y t\u1eeb nh\u00f3m n\u00e0y do nh\u00e0 sinh l\u00fd m\u00f4i sinh Manfredo Seufferheld c\u1ee7a tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Illinois d\u1eabn d\u1eaft \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng ho\u1ea1t t\u00ednh cao c\u1ee7a c\u00e1c enzym l\u00e0m suy gi\u1ea3m pr\u00f4t\u00eain v\u00e0 nh\u1eefng thay \u0111\u1ed5i trong qu\u1ea7n th\u1ec3 vi khu\u1ea9n trong ru\u1ed9t cho ph\u00e9p nh\u1eefng con b\u1ecd c\u00e1nh c\u1ee9ng h\u1ea1i r\u1ec5 kh\u00e1ng lu\u00e2n canh ch\u1ecbu \u0111\u01b0\u1ee3c m\u1ed9t ch\u1ebf \u0111\u1ed9 \u0103n l\u00e1 \u0111\u1eadu t\u01b0\u01a1ng l\u00e2u d\u00e0i h\u01a1n so v\u1edbi s\u00e2u h\u1ea1i r\u1ec5 kh\u00e1c. \u0110i\u1ec1u n\u00e0y \u0111\u00e3 mang l\u1ea1i cho ch\u00fang m\u1ed9t l\u1ee3i th\u1ebf \u0111\u1ed1i v\u1edbi b\u1ea5t c\u1ee9 bi\u1ec7n ph\u00e1p lu\u00e2n canh c\u00e2y tr\u1ed3ng n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n: N\u1ebfu m\u1ed9t con s\u00e2u h\u1ea1i r\u1ec5 c\u00e1i v\u1eabn c\u00f2n n\u00e1n l\u1ea1i \u0111\u1ee7 l\u00e2u tr\u00ean m\u1ed9t c\u00e1nh \u0111\u1ed3ng tr\u1ed3ng \u0111\u1eadu t\u01b0\u01a1ng \u0111\u1ec3 \u0111\u1ebb tr\u1ee9ng \u1edf \u0111\u00f3, v\u00e0 c\u00e1nh \u0111\u1ed3ng \u1ea5y \u0111\u01b0\u1ee3c tr\u1ed3ng ng\u00f4 v\u1ee5 xu\u00e2n n\u0103m sau, \u1ea5u tr\u00f9ng c\u1ee7a s\u00e2u s\u1ebd sinh s\u00f4i, \u0103n r\u1ec5 ng\u00f4 v\u00e0 l\u1edbn l\u00ean l\u1eb7p l\u1ea1i chu k\u1ef3 n\u00e0y. (B\u1ea5t k\u1ef3 \u1ea5u tr\u00f9ng n\u00e0o sinh ra trong v\u00f9ng tr\u1ed3ng \u0111\u1eadu t\u01b0\u01a1ng \u0111\u1ec1u s\u1ebd ch\u1ebft).<\/p>\n<\/div>\n<div>\n<p>C\u00e1c nghi\u00ean c\u1ee9u m\u1edbi xem x\u00e9t bi\u1ec3u hi\u1ec7n gien trong ru\u1ed9t c\u1ee7a c\u00f4n tr\u00f9ng n\u00e0y v\u00e0 c\u0169ng t\u00ecm th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 gi\u1eefa nh\u1eefng con s\u00e2u h\u1ea1i r\u1ec5 kh\u00e1ng lu\u00e2n canh v\u00e0 nh\u1eefng con nh\u1ea1y c\u1ea3m (c\u0169ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;lo\u00e0i hoang d\u00e3&#8221;). Nh\u1eefng kh\u00e1c bi\u1ec7t trong bi\u1ec3u hi\u1ec7n gien c\u00f3 th\u1ec3 gi\u00fap c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ph\u00e1t tri\u1ec3n c\u00e1c marker ph\u00e2n t\u1eed \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh s\u00e2u h\u1ea1i r\u1ec5 kh\u00e1ng lu\u00e2n canh v\u00e0 c\u1ea3i thi\u1ec7n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd s\u00e2u h\u1ea1i r\u1ec5.<\/p>\n<\/div>\n<div>\n<p>&#8220;Ch\u00fang t\u00f4i t\u00ecm th\u1ea5y nhi\u1ec1u gien bi\u1ec3u hi\u1ec7n kh\u00e1c nhau gi\u1eefa lo\u00e0i s\u00e2u h\u1ea1i r\u1ec5 hoang d\u1ea1i v\u00e0 lo\u00e0i kh\u00e1ng lu\u00e2n canh: h\u01a1n 3.000 gien&#8221;, Seufferheld n\u00f3i.<\/p>\n<\/div>\n<div>\n<p>M\u1ed9t s\u1ed1 c\u00e1c gien trong \u0111\u00f3 m\u00e3 h\u00f3a c\u00e1c pr\u00f4t\u00eain li\u00ean quan \u0111\u1ebfn \u0111i\u1ec1u ti\u1ebft mi\u1ec5n d\u1ecbch v\u00e0 ch\u1ee9c n\u0103ng kh\u00e1ng sinh. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3i th\u00edch s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u01b0\u1ee3c quan s\u00e1t th\u1ea5y trong c\u00e1c qu\u1ea7n th\u1ec3 vi sinh v\u1eadt trong h\u1ec7 th\u1ed1ng ti\u00eau h\u00f3a c\u1ee7a s\u00e2u h\u1ea1i r\u1ec5 kh\u00e1ng lu\u00e2n canh v\u00e0 lo\u00e0i hoang d\u00e3, \u00f4ng cho bi\u1ebft. Trong m\u1ed9t nghi\u00ean c\u1ee9u tr\u01b0\u1edbc \u0111\u00f3, Seufferheld v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p c\u1ee7a \u00f4ng nh\u1eadn th\u1ea5y s\u00e2u h\u1ea1i r\u1ec5 kh\u00e1ng lu\u00e2n canh c\u00f3 ho\u1ea1t t\u00ednh pr\u00f4t\u00eain cao h\u01a1n g\u1ecdi l\u00e0 cathepsin L. Enzym n\u00e0y gi\u00fap c\u00e1c con b\u1ecd ti\u00eau h\u00f3a l\u00e1 c\u00e2y \u0111\u1eadu t\u01b0\u01a1ng. Tuy nhi\u00ean, khi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u x\u1eed l\u00fd c\u00e1c con b\u1ecd n\u00e0y b\u1eb1ng thu\u1ed1c kh\u00e1ng sinh, h\u00e0m l\u01b0\u1ee3ng c\u1ee7a ho\u1ea1t t\u00ednh cathepsin L trong s\u00e2u h\u1ea1i r\u1ec5 kh\u00e1ng lu\u00e2n canh \u0111\u00e3 gi\u1ea3m xu\u1ed1ng m\u1ee9c c\u1ee7a lo\u00e0i b\u1ecd hoang d\u00e3. \u0110i\u1ec1u n\u00e0y khi\u1ebfn nh\u1eefng con b\u1ecd kh\u00e1ng lu\u00e2n canh b\u1ecb ch\u1ebft nhanh nh\u01b0 c\u00e1c con b\u1ecd thu\u1ed9c lo\u00e0i hoang d\u00e3 \u0103n l\u00e1 \u0111\u1eadu t\u01b0\u01a1ng c\u1ee7a ch\u00fang.<\/p>\n<\/div>\n<div>\n<p>Nghi\u00ean c\u1ee9u m\u1edbi n\u00e0y gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc t\u0103ng th\u00eam hi\u1ec3u bi\u1ebft v\u1ec1 s\u1ef1 t\u01b0\u01a1ng t\u00e1c ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1c l\u1ef1c l\u01b0\u1ee3ng l\u00e0m ph\u00e1t sinh t\u00ednh kh\u00e1ng lu\u00e2n canh, \u00f4ng n\u00f3i.<\/p>\n<\/div>\n<div>\n<p>&#8220;S\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a c\u00e1c lo\u00e0i c\u00f4n tr\u00f9ng mang t\u00ednh kh\u00e1ng l\u00e0 r\u1ea5t ph\u1ee9c t\u1ea1p: Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi, l\u1ecbch s\u1eed ti\u1ebfn h\u00f3a c\u1ee7a c\u00e1c lo\u00e0i c\u00f4n tr\u00f9ng, v\u1eadt k\u00fd ch\u1ee7 v\u00e0 c\u00e2y tr\u1ed3ng phi k\u00fd ch\u1ee7, c\u00e1c c\u1ed9ng \u0111\u1ed3ng vi khu\u1ea9n v\u00e0 c\u00e1c gien \u0111\u1ec1u c\u00f3 vai tr\u00f2 trong \u0111\u00f3&#8221;, Seufferheld n\u00f3i.<\/p>\n<\/div>\n<div>T\u1ea5t c\u1ea3 nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y t\u1ed3n t\u1ea1i trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng, \u00f4ng n\u00f3i. T\u1ea1i c\u00e1c khu v\u1ef1c ch\u1ec9 tr\u1ed3ng ng\u00f4 v\u00e0 \u0111\u1eadu t\u01b0\u01a1ng, s\u00e2u h\u1ea1i r\u1ec5 kh\u00e1ng lu\u00e2n canh c\u00f3 t\u00ednh ph\u1ed5 bi\u1ebfn h\u01a1n, trong khi c\u00e1c v\u00f9ng n\u00f4ng nghi\u1ec7p \u0111a d\u1ea1ng h\u01a1n c\u0169ng c\u00f3 tr\u1ed3ng ng\u00f4 v\u00e0 \u0111\u1eadu t\u01b0\u01a1ng l\u1ea1i kh\u00f4ng c\u00f3 b\u00e1o c\u00e1o n\u00e0o li\u00ean quan t\u1edbi v\u1ea5n \u0111\u1ec1 kh\u00e1ng lu\u00e2n canh.<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Sau nhi\u1ec1u th\u1eadp k\u1ef7 n\u1ed7 l\u1ef1c, c\u00e1c nh\u00e0 khoa h\u1ecdc cu\u1ed1i c\u00f9ng \u0111\u00e3 t\u00ecm ra c\u00e1ch th\u1ee9c c\u00f4n tr\u00f9ng ph\u00e1t tri\u1ec3n t\u00ednh kh\u00e1ng v\u1edbi bi\u1ec7n ph\u00e1p canh t\u00e1c th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng \u2013 ch\u1eb3ng h\u1ea1n nh\u01b0 lu\u00e2n canh c\u00e2y tr\u1ed3ng \u2013 bi\u1ec7n ph\u00e1p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ti\u00eau di\u1ec7t ch\u00fang. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u [&#8230;]\n","protected":false},"author":1,"featured_media":6894,"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\/6717"}],"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=6717"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6717\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6894"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}