{"id":6686,"date":"2014-10-01T09:33:59","date_gmt":"2014-10-01T02:33:59","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1558"},"modified":"2014-10-01T09:33:59","modified_gmt":"2014-10-01T02:33:59","slug":"nghien-cuu-ve-rna-trong-cum-hoa-ngo","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/nghien-cuu-ve-rna-trong-cum-hoa-ngo\/","title":{"rendered":"Nghi\u00ean c\u1ee9u v\u1ec1 RNA trong c\u1ee5m hoa ng\u00f4"},"content":{"rendered":"
C\u00e1c nh\u00e0\u00a0nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Delaware v\u00e0 c\u00e1c t\u1ed5 ch\u1ee9c kh\u00e1c t\u1ea1i M\u1ef9 \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t d\u1ef1 \u00e1n nghi\u00ean c\u1ee9u v\u1edbi kho\u1ea3n t\u00e0i tr\u1ee3 6,5 tri\u1ec7u USD. M\u1ee5c ti\u00eau c\u1ee7a d\u1ef1 \u00e1n l\u00e0 ph\u00e2n t\u00edch s\u1ef1 ph\u00e1t tri\u1ec3n trong bao ph\u1ea5n v\u00e0 c\u1ee5m hoa ng\u00f4, c\u00e1c c\u01a1 quan sinh s\u1ea3n s\u1ea3n xu\u1ea5t ra ph\u1ea5n hoa.<\/span><\/div>\n
\n

C\u00e1c k\u1ebft qu\u1ea3 c\u1ee7a nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u00e2u d\u00e0i \u0111\u1ebfn ng\u00e0nh s\u1ea3n xu\u1ea5t h\u1ea1t gi\u1ed1ng lai, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng ng\u0169 c\u1ed1c.<\/p>\n

 <\/p>\n

\n
Blake Meyers, tr\u01b0\u1edfng khoa Khoa h\u1ecdc th\u1ef1c v\u1eadt v\u00e0 \u0110\u1ea5t thu\u1ed9c tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc N\u00f4ng nghi\u1ec7p v\u00e0 T\u00e0i nguy\u00ean, Edward F. Goodman v\u00e0 Elizabeth Rosenberg, gi\u00e1o s\u01b0 Th\u1ef1c v\u1eadt v\u00e0 Khoa h\u1ecdc \u0111\u1ea5t l\u00e0 nh\u1eefng nh\u00e0 nghi\u00ean c\u1ee9u ch\u00ednh c\u1ee7a d\u1ef1 \u00e1n. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u kh\u00e1c l\u00e0 Virginia Walbot, gi\u00e1o s\u01b0 t\u1ea1i Khoa Sinh h\u1ecdc t\u1ea1i \u0110\u1ea1i h\u1ecdc Stanford v\u00e0 Gregory Abram. Abram s\u1ebd ph\u00e1t tri\u1ec3n c\u00e1c c\u00f4ng c\u1ee5 tr\u1ef1c quan v\u1ec1 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a bao ph\u1ea5n \u1edf quy m\u00f4 t\u1ebf b\u00e0o.<\/div>\n
Meyers nh\u1ea5n m\u1ea1nh r\u1eb1ng, trong khi nh\u1eefng t\u00e1c \u0111\u1ed9ng l\u00e2u d\u00e0i c\u1ee7a d\u1ef1 \u00e1n c\u00f3 th\u1ec3 l\u00e0 r\u1ea5t quan tr\u1ecdng cho ng\u00e0nh s\u1ea3n xu\u1ea5t h\u1ea1t gi\u1ed1ng, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ch\u1ee7 y\u1ebfu quan t\u00e2m \u0111\u1ebfn hai kh\u00eda c\u1ea1nh c\u1ee7a sinh h\u1ecdc c\u01a1 b\u1ea3n: th\u1ee9 nh\u1ea5t, \u0111\u01b0a ra th\u00f4ng tin m\u1edbi v\u1ec1 axit ribonucleic (RNA) v\u1ed1n quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ph\u1ea5n hoa v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a bao ph\u1ea5n, v\u00e0 th\u1ee9 hai, \u0111\u01b0a ra ki\u1ebfn th\u1ee9c s\u00e2u r\u1ed9ng h\u01a1n v\u1ec1 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a bao ph\u1ea5n.<\/div>\n
\u0110\u1ed1i v\u1edbi h\u1ea1t gi\u1ed1ng lai, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng ph\u1ea5n hoa t\u1eeb c\u00e2y b\u1ed1 v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c c\u00e2y m\u1eb9 t\u1ef1 th\u1ee5 ph\u1ea5n. Th\u00f4ng qua vi\u1ec7c hi\u1ec3u \u0111\u01b0\u1ee3c c\u01a1 ch\u1ebf di truy\u1ec1n c\u01a1 b\u1ea3n ph\u00e1t tri\u1ec3n ph\u1ea5n hoa, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0a ra c\u00e1c k\u1ef9 thu\u1eadt \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh kh\u1ea3 n\u0103ng sinh s\u1ea3n c\u1ee7a c\u00e2y gi\u1ed1ng \u0111\u1ef1c v\u00e0 \u0111i\u1ec1u n\u00e0y gi\u00fap \u00edch nhi\u1ec1u cho vi\u1ec7c lai t\u1ea1o ra c\u00e2y gi\u1ed1ng \u0111\u1ef1c kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng sinh s\u1ea3n, t\u1ea1o thu\u1eadn l\u1ee3i cho s\u1ea3n xu\u1ea5t h\u1ea1t gi\u1ed1ng lai.<\/div>\n
Meyers gi\u1ea3i th\u00edch r\u1eb1ng, cho \u0111\u1ebfn g\u1ea7n \u0111\u00e2y, vi\u1ec7c s\u1ea3n xu\u1ea5t h\u1ea1t gi\u1ed1ng lai ph\u1ea3i th\u1ef1c hi\u1ec7n thao t\u00e1c lo\u1ea1i b\u1ecf b\u1eb1ng tay c\u00e1c tua ng\u00f4 \u0111\u1ec3 lo\u1ea1i b\u1ecf ph\u1ea5n hoa t\u1eeb c\u00e1c c\u00e2y ng\u00f4. \u0110i\u1ec1u n\u00e0y y\u00eau c\u1ea7u ng\u01b0\u1eddi l\u00e0m ph\u1ea3i xu\u1ed1ng t\u1eadn ru\u1ed9ng ng\u00f4 b\u1ecf \u0111i c\u00e1c tua ng\u00f4, bu\u1ed9c c\u00e1c c\u00e2y ng\u00f4 n\u00e0y ph\u1ea3i th\u1ee5 ph\u1ea5n v\u1edbi ph\u1ea5n hoa t\u1eeb c\u00e1c h\u00e0ng ng\u00f4 kh\u00e1c. C\u00e1c xu h\u01b0\u1edbng hi\u1ec7n nay c\u1ee7a ng\u00e0nh s\u1ea3n xu\u1ea5t h\u1ea1t gi\u1ed1ng l\u00e0 s\u1eed d\u1ee5ng ki\u1ec3m so\u00e1t di truy\u1ec1n v\u1ec1 s\u1ef1 ph\u00e1t tri\u1ec3n ph\u1ea5n h\u01a1n l\u00e0 lo\u1ea1i b\u1ecf tua ng\u00f4, b\u1edfi v\u00ec n\u00f3 ch\u00ednh x\u00e1c, hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n h\u01a1n.<\/div>\n
D\u1ef1 \u00e1n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean nghi\u00ean c\u1ee9u tr\u01b0\u1edbc \u0111\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 trong v\u00f2ng 5 n\u0103m qua c\u1ee7a nhi\u1ec1u nh\u00f3m kh\u00e1c cho th\u1ea5y c\u00f3 hai lo\u1ea1i RNA b\u1ea5t th\u01b0\u1eddng \u1edf c\u00e2y l\u00faa. M\u1ee5c \u0111\u00edch c\u1ee7a d\u1ef1 \u00e1n l\u00e0 \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c RNA, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a RNA v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 RNA th\u00edch h\u1ee3p v\u1edbi \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc c\u1ee7a bao ph\u1ea5n.<\/div>\n
Meyers cho bi\u1ebft, bao ph\u1ea5n l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n so v\u1edbi c\u00e1c c\u1ea5u tr\u00fac kh\u00e1c trong c\u00e2y ng\u00f4 nh\u01b0 l\u00e1, r\u1ec5, ho\u1eb7c to\u00e0n b\u1ed9 hoa. Bao ph\u1ea5n c\u00f3 m\u1ed9t m\u00f4 h\u00ecnh kh\u00e1c bi\u1ec7t kh\u00e1 r\u00f5 r\u00e0ng, \u0111\u00f3 l\u00e0 bao ph\u1ea5n c\u00f3 n\u0103m l\u1edbp t\u1ebf b\u00e0o. Bao ph\u1ea5n c\u00f3 vai tr\u00f2 s\u1ea3n xu\u1ea5t ph\u1ea5n hoa v\u00e0 nh\u01b0 v\u1eady c\u00e1c l\u1edbp t\u1ebf b\u00e0o b\u00ean ngo\u00e0i b\u1ecb ph\u00e1 v\u1ee1 khi ph\u1ea5n hoa b\u1eaft \u0111\u1ea7u tr\u01b0\u1edfng th\u00e0nh v\u00e0 cu\u1ed1i c\u00f9ng, c\u00e1c l\u1edbp t\u1ebf b\u00e0o chia t\u00e1ch m\u1edf \u0111\u01b0\u1eddng \u0111\u1ec3 ph\u1ea5n hoa \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o t\u1ef1 nhi\u00ean.<\/div>\n
C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c c\u00e1c b\u01b0\u1edbc trong m\u00f4 h\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a bao ph\u1ea5n, d\u1ef1a v\u00e0o \u0111\u00f3 h\u1ecd t\u1ea1o ra m\u1ed9t m\u00f4 h\u00ecnh \u1ea3o t\u00ednh to\u00e1n s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a bao ph\u1ea5n. Nh\u00f3m nghi\u00ean c\u1ee9u c\u0169ng s\u1eed d\u1ee5ng \u0111\u1ed9t bi\u1ebfn c\u00e2y \u0111\u1ef1c b\u1ecb m\u1ea5t kh\u1ea3 n\u0103ng sinh s\u1ea3n trong s\u1ea3n xu\u1ea5t ph\u1ea5n hoa. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap nh\u00f3m nghi\u00ean c\u1ee9u n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a RNA v\u00e0 c\u00e1c gien kh\u00e1c.<\/div>\n
Meyers cho bi\u1ebft: \u201cT\u1eeb \u0111\u00e2y, ch\u00fang t\u00f4i s\u1ebd t\u1ea1o ra \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u d\u1eef li\u1ec7u v\u1ec1 RNA, d\u1eef li\u1ec7u bi\u1ec3u hi\u1ec7n gien, m\u1ed9t s\u1ed1 d\u1eef li\u1ec7u v\u1ec1 protein \u1edf c\u00e2y ng\u00f4. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap \u00edch nhi\u1ec1u cho c\u00f4ng t\u00e1c lai t\u1ea1o c\u00e1c gi\u1ed1ng ng\u00f4 tr\u00ean th\u1ebf gi\u1edbi\u201d.<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0\u00a0nghi\u00ean c\u1ee9u t\u1ea1i \u0110\u1ea1i h\u1ecdc Delaware v\u00e0 c\u00e1c t\u1ed5 ch\u1ee9c kh\u00e1c t\u1ea1i M\u1ef9 \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t d\u1ef1 \u00e1n nghi\u00ean c\u1ee9u v\u1edbi kho\u1ea3n t\u00e0i tr\u1ee3 6,5 tri\u1ec7u USD. M\u1ee5c ti\u00eau c\u1ee7a d\u1ef1 \u00e1n l\u00e0 ph\u00e2n t\u00edch s\u1ef1 ph\u00e1t tri\u1ec3n trong bao ph\u1ea5n v\u00e0 c\u1ee5m hoa ng\u00f4, c\u00e1c c\u01a1 quan sinh s\u1ea3n s\u1ea3n xu\u1ea5t ra […]\n","protected":false},"author":1,"featured_media":6108,"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\/6686"}],"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=6686"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6686\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6108"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}