{"id":834,"date":"2017-04-05T10:03:38","date_gmt":"2017-04-05T03:03:38","guid":{"rendered":"http:\/\/demo.prc.maiatech.com.vn\/?p=834"},"modified":"2017-04-05T11:00:06","modified_gmt":"2017-04-05T04:00:06","slug":"nghien-cuu-xac-dinh-chi-thi-lien-ket-voi-tinh-chiu-han-o-cay-che-su-dung-cong-nghe-bsa","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=834","title":{"rendered":"Nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh ch\u1ec9 th\u1ecb li\u00ean k\u1ebft v\u1edbi t\u00ednh ch\u1ecbu h\u1ea1n \u1edf c\u00e2y ch\u00e8 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 BSA"},"content":{"rendered":"\n\n\n\n
\u0110\u1ed1i v\u1edbi c\u00e2y ch\u00e8 vi\u1ec7c s\u1ea3n xu\u1ea5t ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o n\u01b0\u1edbc tr\u1eddi n\u00ean ch\u1ecbu t\u00e1c \u0111\u1ed9ng r\u1ea5t l\u1edbn c\u1ee7a \u0111i\u1ec1u ki\u1ec7n ngo\u1ea1i c\u1ea3nh, trong \u0111\u00f3 h\u1ea1n h\u00e1n l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn n\u0103ng su\u1ea5t v\u00e0 ph\u1ea9m ch\u1ea5t c\u1ee7a ch\u00e8. Do \u0111\u00f3, vi\u1ec7c ch\u1ecdn t\u1ea1o c\u00e1c gi\u1ed1ng ch\u00e8 c\u00f3 ti\u1ec1m n\u0103ng v\u1ec1 n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu h\u1ea1n \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho s\u1ea3n xu\u1ea5t ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c quan t\u00e2m nhi\u1ec1u h\u01a1n.<\/p>\n

Hi\u1ec7n nay, vi\u1ec7c ch\u1ecdn t\u1ea1o gi\u1ed1ng ch\u00e8 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu h\u1ea1n ch\u1ee7 y\u1ebfu v\u1eabn \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng n\u00ean c\u1ea7n r\u1ea5t nhi\u1ec1u th\u1eddi gian, c\u00f4ng s\u1ee9c v\u00e0 ti\u1ec1n c\u1ee7a m\u00e0 hi\u1ec7u qu\u1ea3 l\u1ea1i kh\u00f4ng cao; vi\u1ec7c \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed v\u00e0o c\u00f4ng t\u00e1c ch\u1ecdn t\u1ea1o gi\u1ed1ng v\u1eabn c\u00f2n r\u1ea5t h\u1ea1n ch\u1ebf do ch\u01b0a c\u00f3 nhi\u1ec1u ch\u1ec9 th\u1ecb \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh li\u00ean k\u1ebft ch\u1eb7t v\u1edbi t\u00ednh (gen) ch\u1ecbu h\u1ea1n \u1edf c\u00e2y ch\u00e8. Do \u0111\u00f3, x\u00e1c \u0111\u1ecbnh ch\u1ec9 th\u1ecb li\u00ean k\u1ebft v\u1edbi t\u00ednh ch\u1ecbu h\u1ea1n \u1edf c\u00e2y ch\u00e8 l\u00e0 vi\u1ec7c l\u00e0m r\u1ea5t c\u1ea5p thi\u1ebft trong giai \u0111o\u1ea1n hi\u1ec7n nay.<\/p>\n

Th\u00f4ng th\u01b0\u1eddng \u0111\u1ec3 t\u00ecm ch\u1ec9 th\u1ecb li\u00ean k\u1ebft v\u1edbi gen, ch\u00fang ta ph\u1ea3i ti\u1ebfn h\u00e0nh l\u1eadp b\u1ea3n \u0111\u1ed3 gen v\u1edbi nhi\u1ec1u b\u01b0\u1edbc kh\u00e1c nhau r\u1ea5t ph\u1ee9c t\u1ea1p v\u00e0 t\u1ed1n nhi\u1ec1u th\u1eddi gian. \u0110\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng tr\u1edf ng\u1ea1i n\u00f3i tr\u00ean, trong th\u1eddi gian g\u1ea7n \u0111\u00e2y c\u00f4ng ngh\u1ec7 BSA (bulk segregant analysis) \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n gi\u00fap x\u00e1c \u0111\u1ecbnh nhanh ch\u1ec9 th\u1ecb li\u00ean k\u1ebft v\u1edbi gen. H\u01b0\u1edbng nghi\u00ean c\u1ee9u n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0 t\u1ecf ra r\u1ea5t hi\u1ec7u qu\u1ea3 trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh ch\u1ec9 th\u1ecb li\u00ean k\u1ebft v\u1edbi c\u00e1c gen ch\u1ecbu m\u1eb7n, h\u1ea1n; ch\u1ed1ng ch\u1ecbu s\u00e2u, b\u1ec7nh.v.v.<\/p>\n

T\u1eeb nh\u1eefng l\u00fd do n\u00eau tr\u00ean, ch\u00fang t\u00f4i \u0111\u00e3 ti\u1ebfn h\u00e0nh \u0111\u1ec1 t\u00e0i \u201cNghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh ch\u1ec9 th\u1ecb li\u00ean k\u1ebft v\u1edbi t\u00ednh ch\u1ecbu h\u1ea1n \u1edf c\u00e2y ch\u00e8 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 BSA<\/em>\u201d.<\/p>\n

V\u1eadt li\u1ec7u nghi\u00ean c\u1ee9u l\u00e0 c\u00e1c m\u1eabu gi\u1ed1ng ch\u00e8 Trung du, H\u1ed3 Nam Nam (gi\u1ed1ng b\u1ed1 m\u1eb9)<\/em>, c\u00e1c c\u00e1 th\u1ec3 con lai F2<\/sub>\u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi Vi\u1ec7n Khoa h\u1ecdc K\u1ef9 thu\u1eadt N\u00f4ng l\u00e2m nghi\u1ec7p Mi\u1ec1n n\u00fai ph\u00eda B\u1eafc.<\/p>\n

K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y:<\/p>\n

– \u0110\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu h\u1ea1n c\u1ee7a 120 c\u00e1 th\u1ec3 F2<\/sub>, ch\u00fang t\u00f4i x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c nh\u00f3m ch\u1ecbu h\u1ea1n, g\u1ecdi l\u00e0 nh\u00f3m AR v\u00e0 nh\u00f3m kh\u00f4ng ch\u1ecbu h\u1ea1n, g\u1ecdi l\u00e0 nh\u00f3m BS. Trong \u0111\u00f3, nh\u00f3m AR bao g\u1ed3m 83 c\u00e1 th\u1ec3; nh\u00f3m BS bao g\u1ed3m 37 c\u00e1 th\u1ec3.<\/p>\n

– S\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 BSA trong nghi\u00ean c\u1ee9u n\u00e0y \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c 6 ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed \u0111\u00f3 l\u00e0: CamsinM1, CamsinM2, CamsinM4, CamsinM5, CamsinM8 v\u00e0 Casmsin13 li\u00ean k\u1ebft v\u1edbi t\u00ednh (gen) ch\u1ecbu h\u1ea1n \u1edf c\u00e2y ch\u00e8.<\/p>\n

– Trong nghi\u00ean c\u1ee9u n\u00e0y, ch\u00fang t\u00f4i s\u1eed d\u1ee5ng ch\u1ec9 th\u1ecb CamsinM1 li\u00ean k\u1ebft v\u1edbi t\u00ednh ch\u1ecbu h\u1ea1n trong vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 x\u00e1c \u0111\u1ecbnh ki\u1ec3u gen \u1edf c\u00e1c c\u00e1 th\u1ec3 con lai gi\u1eefa gi\u1ed1ng Trung du v\u00e0 H\u1ed3 Nam, ch\u00fang t\u00f4i \u0111\u00e3 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c 100 c\u00e1 th\u1ec3 con lai c\u00f3 ki\u1ec3u gen ch\u1ecbu h\u1ea1n; c\u00e1c c\u00e1 th\u1ec3 n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c \u0111\u00e1nh gi\u00e1, tuy\u1ec3n ch\u1ecdn ra nh\u1eefng d\u00f2ng ch\u00e8 c\u00f3 tri\u1ec3n v\u1ecdng v\u1ec1 n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu h\u1ea1n t\u1ed1t gi\u1edbi thi\u1ec7u cho s\u1ea3n xu\u1ea5t.<\/p>\n

Xem chi ti\u1ebft t\u1ea1i \u0111\u00e2y<\/a><\/td>\n<\/tr>\n

L\u00e3 Tu\u1ea5n Ngh\u0129a & cs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

\u0110\u1ed1i v\u1edbi c\u00e2y ch\u00e8 vi\u1ec7c s\u1ea3n xu\u1ea5t ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o n\u01b0\u1edbc tr\u1eddi n\u00ean ch\u1ecbu t\u00e1c \u0111\u1ed9ng r\u1ea5t l\u1edbn c\u1ee7a<\/p>\n","protected":false},"author":4,"featured_media":835,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[39],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/834"}],"collection":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=834"}],"version-history":[{"count":1,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/834\/revisions"}],"predecessor-version":[{"id":836,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/834\/revisions\/836"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/media\/835"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=834"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}