{"id":889,"date":"2017-04-08T14:51:41","date_gmt":"2017-04-08T07:51:41","guid":{"rendered":"http:\/\/demo.prc.maiatech.com.vn\/?p=889"},"modified":"2017-07-08T18:28:01","modified_gmt":"2017-07-08T11:28:01","slug":"sang-loc-chi-thi-phan-tu-lien-ket-gen-khang-benh-dao-on-phuc-vu-chon-giong-dua-vao-chi-thi-phan-tu-mas-tai-viet-nam","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=889","title":{"rendered":"S\u00e0ng l\u1ecdc ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed li\u00ean k\u1ebft gen kh\u00e1ng b\u1ec7nh \u0111\u1ea1o \u00f4n ph\u1ee5c v\u1ee5 ch\u1ecdn gi\u1ed1ng d\u1ef1a v\u00e0o ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed (MAS) t\u1ea1i Vi\u1ec7t Nam"},"content":{"rendered":"\n\n\n\n
\u00a0\u00a0\u00a0 B\u1ec7nh \u0111\u1ea1o \u00f4n do lo\u1ea1i n\u1ea5m k\u00fd sinh c\u00f3 t\u00ean khoa h\u1ecdc l\u00e0 Pyricularia oryzae<\/em> Cavara g\u00e2y ra, l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i b\u1ec7nh h\u1ea1i ch\u00ednh tr\u00ean c\u00e2y l\u00faa \u1edf Vi\u1ec7t Nam c\u0169ng nh\u01b0 tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. C\u00e1c c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u \u0111\u00e3 cho th\u1ea5y s\u1eed d\u1ee5ng c\u00e1c gi\u1ed1ng l\u00faa kh\u00e1ng b\u1ec7nh l\u00e0 c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 ki\u1ec3m so\u00e1t b\u1ec7nh \u0111\u1ea1o \u00f4n. Cho \u0111\u1ebfn nay \u0111\u00e3 c\u00f3 kho\u1ea3ng 100 gen kh\u00e1ng v\u00e0 347 QTL \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n tr\u00ean h\u1ec7 gen l\u00faa. C\u00e1c nghi\u00ean c\u1ee9u c\u0169ng cho th\u1ea5y m\u1ed9t s\u1ed1 nhi\u1ec5m s\u1eafc th\u1ec3 (NST) t\u1eadp trung kh\u00e1 nhi\u1ec1u gen kh\u00e1ng b\u1ec7nh \u0111\u1ea1o \u00f4n. C\u00f3 t\u1edbi 23 gen kh\u00e1ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh v\u1ecb tr\u00ean NST s\u1ed1 11, trong \u0111\u00f3 locut Pik<\/em> c\u00f3 6 alen bao g\u1ed3m Pik<\/em>, Pik-s, Pik-p, Pik-m, Pik-h, Pik-g<\/em>. C\u00e1c b\u1ed9 gi\u1ed1ng l\u00faa ch\u1ec9 th\u1ecb g\u1ed3m c\u00e1c d\u00f2ng mang \u0111\u01a1n gen kh\u00e1ng b\u1ec7nh \u0111\u1ea1o \u00f4n tr\u00ean n\u1ec1n gi\u1ed1ng l\u00faa nhi\u1ec5m chu\u1ea9n (LTH, CO39, US2) \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n ph\u1ee5c v\u1ee5 cho nghi\u00ean c\u1ee9u ngu\u1ed3n gen kh\u00e1ng b\u1ec7nh v\u00e0 ch\u1ecdn gi\u1ed1ng. Nh\u1eefng b\u1ed9 gi\u1ed1ng n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c trao \u0111\u1ed5i v\u00e0 s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c n\u01b0\u1edbc tham gia m\u1ea1ng l\u01b0\u1edbi \u201cNghi\u00ean c\u1ee9u b\u1ec7nh \u0111\u1ea1o \u00f4n ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t l\u00faa g\u1ea1o b\u1ec1n v\u1eefng\u201d do JIRCAS Nh\u1eadt B\u1ea3n ph\u1ed1i h\u1ee3p v\u1edbi Vi\u1ec7n Nghi\u00ean c\u1ee9u L\u00faa Qu\u1ed1c t\u1ebf (IRRI) ch\u1ee7 tr\u00ec. H\u01b0\u1edbng nghi\u00ean c\u1ee9u c\u1ee7a c\u00e1c qu\u1ed1c gia ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o vi\u1ec7c s\u1eed d\u1ee5ng nh\u1eefng gen kh\u00e1ng ph\u1ed5 r\u1ed9ng, quy t\u1ee5 nhi\u1ec1u gen kh\u00e1ng v\u00e0 c\u1ea3 c\u00e1c QTL v\u00e0o c\u00f9ng m\u1ed9t gi\u1ed1ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ch\u1ecdn gi\u1ed1ng c\u00f3 s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed.<\/p>\n

Nh\u1eefng kh\u1ea3o s\u00e1t ban \u0111\u1ea7u cho th\u1ea5y nhi\u1ec1u gi\u1ed1ng l\u00faa \u0111ang \u0111\u01b0\u1ee3c tr\u1ed3ng ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam \u0111\u1ec1u c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5m b\u1ec7nh \u0111\u1ea1o \u00f4n nh\u01b0 BC15, B\u1eafc th\u01a1m 7, Khang d\u00e2n\u2026 V\u00ec v\u1eady vi\u1ec7c c\u1ea3i ti\u1ebfn c\u00e1c gi\u1ed1ng l\u00faa tr\u1ed3ng ch\u1ee7 l\u1ef1c theo h\u01b0\u1edbng t\u0103ng c\u01b0\u1eddng t\u00ednh kh\u00e1ng b\u1ec7nh \u0111\u1ea1o \u00f4n lu\u00f4n \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 ch\u1ecdn gi\u1ed1ng trong n\u01b0\u1edbc quan t\u00e2m nghi\u00ean c\u1ee9u. Ch\u00ednh v\u00ec v\u1eady, nghi\u00ean c\u1ee9u \u201cS\u00e0ng l\u1ecdc ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed li\u00ean k\u1ebft gen kh\u00e1ng b\u1ec7nh \u0111\u1ea1o \u00f4n ph\u1ee5c v\u1ee5 ch\u1ecdn t\u1ea1o gi\u1ed1ng l\u00faa kh\u00e1ng b\u1ec7nh t\u1ea1i Vi\u1ec7t Nam\u201d s\u1ebd t\u1ea1o ti\u1ec1n \u0111\u1ec1 cho vi\u1ec7c \u1ee9ng d\u1ee5ng ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed trong ch\u1ecdn t\u1ea1o gi\u1ed1ng l\u00faa kh\u00e1ng b\u1ec7nh \u0111\u1ea1o \u00f4n hi\u1ec7u qu\u1ea3 t\u1ea1i Vi\u1ec7t Nam.<\/p>\n

Trong nghi\u00ean c\u1ee9u n\u00e0y, c\u00e1c ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 li\u00ean k\u1ebft v\u1edbi gen kh\u00e1ng b\u1ec7nh \u0111\u1ea1o \u00f4n tr\u00ean nhi\u1ec5m s\u1eafc th\u1ec3 s\u1ed1 11 \u0111\u00e3 \u0111\u01b0\u1ee3c thu th\u1eadp t\u1eeb c\u01a1 s\u1edf d\u1eef li\u1ec7u Gramene, c\u00e1c b\u1ea3n \u0111\u1ed3 li\u00ean k\u1ebft v\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh qu\u1ed1c t\u1ebf \u0111\u00e3 c\u00f4ng b\u1ed1 tr\u00ean th\u1ebf gi\u1edbi. Nh\u1eefng ch\u1ec9 th\u1ecb n\u00e0y \u0111\u01b0\u1ee3c s\u00e0ng l\u1ecdc nh\u1eb1m t\u00ecm ki\u1ebfm c\u00e1c ch\u1ec9 th\u1ecb cho \u0111a h\u00ecnh gi\u1eefa hai gi\u1ed1ng l\u00faa ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam (BC15 v\u00e0 B\u1eafc Th\u01a1m 7) v\u1edbi 6 d\u00f2ng NIL IRBL1-CL, IRBL7-M, IRBLk-Ku; IRBLkh-K3; IRBLkm-Ts; IRBLkp-K60 mang \u0111\u01a1n gen kh\u00e1ng b\u1ec7nh \u0111\u1ea1o \u00f4n Pi1, Pi7(t), Pik, Pik-h, Pik-m <\/em>v\u00e0 Pik-p<\/em> do IRRI cung c\u1ea5p. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c ba ch\u1ec9 th\u1ecb RM1233, RM224 v\u00e0 RM7654B cho \u0111a h\u00ecnh li\u00ean k\u1ebft v\u1edbi gen kh\u00e1ng b\u1ec7nh v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng cho vi\u1ec7c ch\u1ecdn l\u1ecdc c\u00e1c gi\u1ed1ng kh\u00e1ng b\u1ec7nh nh\u1edd ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed (MAS). Ch\u1ec9 th\u1ecb RM1233 d\u00f9ng \u0111\u1ec3 s\u00e0ng l\u1ecdc nh\u1eefng c\u00e1 th\u1ec3 mang gen kh\u00e1ng Pi1, Pi7 <\/em>v\u00e0 Pik-p<\/em>; Ch\u1ec9 th\u1ecb RM244 d\u00f9ng \u0111\u1ec3 s\u00e0ng l\u1ecdc nh\u1eefng c\u00e1 th\u1ec3 mang gen kh\u00e1ng Pi1, Pik<\/em> v\u00e0 Pik-h<\/em>; Ch\u1ec9 th\u1ecb RM7654B d\u00f9ng \u0111\u1ec3 s\u00e0ng l\u1ecdc nh\u1eefng c\u00e1 th\u1ec3 mang gen kh\u00e1ng Pi1<\/em> v\u00e0 Pik<\/em>.<\/p>\n

Xem b\u00e0i b\u00e1o chi ti\u1ebft t\u1ea1i \u0111\u00e2y<\/a><\/p>\n

 <\/td>\n<\/tr>\n

Nguy\u1ec5n Th\u1ecb Nh\u00e0i, Nguy\u1ec5n Th\u1ecb Thanh Th\u1ee7y<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

\u00a0\u00a0\u00a0 B\u1ec7nh \u0111\u1ea1o \u00f4n do lo\u1ea1i n\u1ea5m k\u00fd sinh c\u00f3 t\u00ean khoa h\u1ecdc l\u00e0 Pyricularia oryzae Cavara g\u00e2y ra, l\u00e0<\/p>\n","protected":false},"author":4,"featured_media":1139,"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\/889"}],"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=889"}],"version-history":[{"count":1,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/889\/revisions"}],"predecessor-version":[{"id":890,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/889\/revisions\/890"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/media\/1139"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=889"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=889"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}