{"id":6731,"date":"2015-10-15T07:47:23","date_gmt":"2015-10-15T00:47:23","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1124"},"modified":"2015-10-15T07:47:23","modified_gmt":"2015-10-15T00:47:23","slug":"nghien-cuu-phuong-phap-du-doan-kich-thuoc-cua-cay-trong","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/nghien-cuu-phuong-phap-du-doan-kich-thuoc-cua-cay-trong\/","title":{"rendered":"Nghi\u00ean c\u1ee9u ph\u01b0\u01a1ng ph\u00e1p d\u1ef1 \u0111o\u00e1n k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e2y tr\u1ed3ng"},"content":{"rendered":"<div class=\"TomTat clearfix\"><span id=\"ArticalDetail1_lblTeaser\" class=\"OverollContentDesc\">C\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i VIB v\u00e0 UGent \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u1edbi cho ph\u00e9p d\u1ef1 \u0111o\u00e1n k\u00edch th\u01b0\u1edbc cu\u1ed1i c\u00f9ng c\u1ee7a m\u1ed9t c\u00e2y tr\u1ed3ng khi n\u00f3 v\u1eabn c\u00f2n l\u00e0 m\u1ed9t c\u00e2y gi\u1ed1ng.<\/span><\/div>\n<div class=\"NoiDungBai\">\n<div>Nh\u1edd ph\u01b0\u01a1ng ph\u00e1p d\u1ef1a tr\u00ean hi\u1ec3u bi\u1ebft v\u1ec1 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c gien c\u00f3 li\u00ean quan t\u1edbi k\u00edch th\u01b0\u1edbc cu\u1ed1i c\u00f9ng c\u1ee7a m\u1ed9t chi\u1ebfc l\u00e1, c\u00e1c nh\u00e0 khoa h\u1ecdc s\u1ebd c\u00f3 th\u1ec3 \u0111\u1ea9y nhanh \u0111\u00e1ng k\u1ec3 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh nh\u00e2n gi\u1ed1ng c\u00e2y tr\u1ed3ng. C\u00e1c nh\u00e0 khoa h\u1ecdc VIB \/ UGent \u0111\u00e3 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u1eadp h\u1ee3p c\u00e1c gien n\u00e0y th\u00f4ng qua ph\u00e2n t\u00edch c\u1ea3i ti\u1ebfn v\u00e0 r\u1ea5t chi ti\u1ebft. Ph\u00e2n t\u00edch bi\u1ec3u hi\u1ec7n c\u1ee7a c\u00e1c gien c\u1ee5 th\u1ec3 s\u1ebd gi\u00fap c\u00e1c nh\u00e0 lai t\u1ea1o ch\u1ecdn \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m nh\u00e2n gi\u1ed1ng h\u1eefu \u00edch nh\u1ea5t \u1edf giai \u0111o\u1ea1n r\u1ea5t s\u1edbm.<\/div>\n<div><\/div>\n<div>Ph\u1ea3i m\u1ea5t m\u1ed9t th\u1eddi gian d\u00e0i \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c gi\u1ed1ng c\u00e2y tr\u1ed3ng m\u1edbi c\u00f3 s\u1ea3n l\u01b0\u1ee3ng l\u1edbn h\u01a1n ho\u1eb7c c\u00f3 t\u00ednh kh\u00e1ng b\u1ec7nh cao h\u01a1n. C\u1ee5 th\u1ec3 l\u00e0, l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m lai h\u1eefu \u00edch nh\u1ea5t l\u00e0 m\u1ed9t quy tr\u00ecnh c\u1ea7n nhi\u1ec1u nh\u00e2n l\u1ef1c, t\u1ed1n th\u1eddi gian v\u00e0 t\u1ed1n k\u00e9m. Hi\u1ec7n nay, c\u00e1c s\u1ea3n ph\u1ea9m lai t\u1ea1o ph\u1ea3i b\u1ecb nhi\u1ec5m b\u1ec7nh th\u1ee7 c\u00f4ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng b\u1ec7nh hay kh\u00f4ng, trong khi \u0111\u1ec3 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a c\u00e1c c\u00e2y ng\u00f4, \u0111\u1ea7u ti\u00ean l\u00e0 ph\u1ea3i h\u00ecnh th\u00e0nh c\u00e1c tai ng\u00f4 tr\u01b0\u1edbc. Qu\u00e1 tr\u00ecnh ch\u1ecdn l\u1ecdc n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n hi\u1ec7u qu\u1ea3 h\u01a1n b\u1eb1ng c\u00e1ch ch\u1ecdn l\u1ecdc c\u00e2y tr\u1ed3ng tr\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u di truy\u1ec1n ch\u1ee9 kh\u00f4ng ph\u1ea3i d\u1ef1a v\u00e0o \u0111\u1eb7c \u0111i\u1ec3m b\u00ean ngo\u00e0i. Nhi\u1ec1u thu\u1ed9c t\u00ednh b\u00ean ngo\u00e0i \u0111\u01b0\u1ee3c ch\u1ee9a trong ADN.<\/div>\n<div><\/div>\n<div>Nh\u1edd n\u00e2ng cao hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1ch th\u1ee9c t\u0103ng tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh \u1edf m\u1ee9c \u0111\u1ed9 ph\u00e2n t\u1eed hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn tr\u00ean quy m\u00f4 l\u1edbn m\u00e0 \u1edf \u0111\u00f3 tr\u00ecnh t\u1ef1 ADN ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0o. B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c chu\u1ed7i ADN nh\u01b0 v\u1eady (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u00e1c marker di truy\u1ec1n) \u1edf c\u00e2y con, c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n ngay t\u1eeb giai \u0111o\u1ea1n r\u1ea5t s\u1edbm r\u1eb1ng c\u00e2y tr\u1ed3ng ph\u00e1t tri\u1ec3n ho\u00e0n thi\u1ec7n s\u1ebd c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng b\u1ec7nh, th\u1eadm ch\u00ed kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng \u0111\u1ec3 l\u00e2y nhi\u1ec5m cho c\u00e2y tr\u1ed3ng. Lo\u1ea1i lai t\u1ea1o n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 sinh s\u1ea3n tr\u1ee3 gi\u00fap c\u1ee7a marker. M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1eeb VIB v\u00e0 UGent, do Gi\u00e1o s\u01b0 Dirk Inz\u00e9 d\u1eabn \u0111\u1ea7u, \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u1edbi \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n k\u00edch th\u01b0\u1edbc c\u1ee7a l\u00e1 c\u00e2y ng\u00f4 \u0111\u00e3 ph\u00e1t tri\u1ec3n ho\u00e0n thi\u1ec7n trong khi b\u1ea3n th\u00e2n c\u00e2y ng\u00f4 v\u1eabn l\u00e0 m\u1ed9t c\u00e2y gi\u1ed1ng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ef1a tr\u00ean RNA ch\u1ee9 kh\u00f4ng ph\u1ea3i d\u1ef1a tr\u00ean ADN.<\/div>\n<div><\/div>\n<div>Th\u00f4ng tin di truy\u1ec1n \u0111\u01b0\u1ee3c ch\u1ee9a trong ADN. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c th\u00f4ng tin \u0111\u1ec1u c\u1ea7n thi\u1ebft trong m\u1ecdi t\u1ebf b\u00e0o th\u1ef1c v\u1eadt. V\u00ed d\u1ee5, tr\u00ecnh t\u1ef1 gien khi\u1ebfn c\u00e2y ra hoa kh\u00f4ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t trong r\u1ec5. Tr\u01b0\u1edbc khi th\u00f4ng tin di truy\u1ec1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n, c\u00e1c th\u00f4ng tin trong ADN ph\u1ea3i \u0111\u01b0\u1ee3c sao ch\u00e9p l\u1ea1i v\u00e0o m\u1ed9t ph\u00e2n t\u1eed RNA, m\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n sang m\u1ed9t pr\u00f4t\u00eain. N\u00f3i c\u00e1ch kh\u00e1c, t\u1eadp h\u1ee3p t\u1ea5t c\u1ea3 c\u00e1c ph\u00e2n t\u1eed RNA (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 transcriptome) cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn s\u00e2u h\u01a1n v\u00e0o nh\u1eefng gien \u0111\u00f3ng g\u00f3p t\u00edch c\u1ef1c cho qu\u00e1 tr\u00ecnh t\u0103ng tr\u01b0\u1edfng. Ti\u1ebfn s\u0129 Joke Baute &#8211; nh\u00e0 th\u1ef1c v\u1eadt h\u1ecdc, m\u1ed9t th\u00e0nh vi\u00ean trong nh\u00f3m nghi\u00ean c\u1ee9u VIB c\u1ee7a Gi\u00e1o s\u01b0 Dirk Inz\u00e9 v\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u1ed3ng nghi\u1ec7p t\u1eeb Vi\u1ec7n Khoa h\u1ecdc \u0111\u1eddi s\u1ed1ng \u00dd t\u1ea1i Pisa \u0111\u00e3 ti\u1ebfn h\u00e0nh m\u1ed9t nghi\u00ean c\u1ee9u v\u1ec1 transcriptome c\u1ee7a v\u00f9ng ph\u00e2n chia t\u1ebf b\u00e0o trong l\u00e1 c\u1ee7a c\u00e2y ng\u00f4. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 c\u00f3 th\u1ec3 li\u00ean k\u1ebft m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c ph\u00e2n t\u1eed RNA v\u1edbi c\u00e1c thu\u1ed9c t\u00ednh b\u00ean ngo\u00e0i kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n cho \u0111\u1ebfn r\u1ea5t l\u00e2u sau n\u00e0y trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n, ch\u1eb3ng h\u1ea1n nh\u01b0 k\u00edch th\u01b0\u1edbc l\u00e1 cu\u1ed1i c\u00f9ng v\u00e0 s\u1ea3n xu\u1ea5t sinh kh\u1ed1i. Ki\u1ebfn th\u1ee9c n\u00e0y s\u1ebd cho ph\u00e9p c\u00e1c nh\u00e0 lai t\u1ea1o c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng l\u1ef1a ch\u1ecdn c\u1ee5 th\u1ec3 h\u01a1n nhi\u1ec1u trong qu\u00e1 tr\u00ecnh nh\u00e2n gi\u1ed1ng c\u00e2y tr\u1ed3ng trong t\u01b0\u01a1ng lai. K\u1ebft qu\u1ea3 c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 trong hai b\u00e0i b\u00e1o khoa h\u1ecdc \u0111\u0103ng t\u1ea3i tr\u00ean t\u1ea1p ch\u00ed Genome Biology.<\/div>\n<div><\/div>\n<div>N\u00f4ng nghi\u1ec7p \u0111ang \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c r\u1ea5t l\u1edbn tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. M\u1eb7c d\u00f9 Li\u00ean Hi\u1ec7p Qu\u1ed1c \u0111\u00e3 d\u1ef1 b\u00e1o r\u1eb1ng s\u1ea3n l\u01b0\u1ee3ng l\u01b0\u01a1ng th\u1ef1c s\u1ebd ph\u1ea3i t\u0103ng 70% v\u00e0o n\u0103m 2050 \u0111\u1ec3 nu\u00f4i d\u00e2n s\u1ed1 th\u1ebf gi\u1edbi, s\u1ea3n xu\u1ea5t \u0111ang ch\u1ecbu \u00e1p l\u1ef1c do bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu v\u00e0 \u0111\u00f2i h\u1ecfi c\u1ea7n nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p n\u00f4ng nghi\u1ec7p th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u01a1n. Nh\u1eefng chi\u1ebfn l\u01b0\u1ee3c s\u00e1ng t\u1ea1o trong nh\u00e2n gi\u1ed1ng c\u00e2y tr\u1ed3ng, qu\u1ea3n l\u00fd \u0111\u1ea5t v\u00e0 ph\u01b0\u01a1ng ph\u00e1p canh t\u00e1c s\u1ebd c\u1ea7n ph\u1ea3i \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c c\u1ea7n thi\u1ebft c\u1ee7a s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p m\u00e0 kh\u00f4ng ph\u00e1 h\u1ee7y h\u01a1n n\u1eefa c\u00e1c h\u1ec7 sinh th\u00e1i t\u1ef1 nhi\u00ean c\u00f3 gi\u00e1 tr\u1ecb.<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i VIB v\u00e0 UGent \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u1edbi cho ph\u00e9p d\u1ef1 \u0111o\u00e1n k\u00edch th\u01b0\u1edbc cu\u1ed1i c\u00f9ng c\u1ee7a m\u1ed9t c\u00e2y tr\u1ed3ng khi n\u00f3 v\u1eabn c\u00f2n l\u00e0 m\u1ed9t c\u00e2y gi\u1ed1ng. Nh\u1edd ph\u01b0\u01a1ng ph\u00e1p d\u1ef1a tr\u00ean hi\u1ec3u bi\u1ebft v\u1ec1 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c gien c\u00f3 li\u00ean quan t\u1edbi k\u00edch th\u01b0\u1edbc cu\u1ed1i [&#8230;]\n","protected":false},"author":1,"featured_media":6304,"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\/6731"}],"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=6731"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6731\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6304"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}