{"id":6705,"date":"2015-05-02T09:28:50","date_gmt":"2015-05-02T02:28:50","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=2912"},"modified":"2015-05-02T09:28:50","modified_gmt":"2015-05-02T02:28:50","slug":"tim-ra-loai-enzim-giup-tang-nang-suat-cay-trong","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/tim-ra-loai-enzim-giup-tang-nang-suat-cay-trong\/","title":{"rendered":"T\u00ecm ra lo\u1ea1i enzim gi\u00fap t\u0103ng n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng"},"content":{"rendered":"
lia \u0111\u00e3 t\u00ecm ra m\u1ed9t enzim c\u1ea7n thi\u1ebft cho s\u1ef1 t\u0103ng tr\u01b0\u1edfng c\u1ee7a c\u00e2y tr\u1ed3ng. Ph\u00e1t hi\u1ec7n n\u00e0y c\u00f3 \u00fd ngh\u0129a l\u1edbn trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng an ninh l\u01b0\u01a1ng th\u1ef1c to\u00e0n c\u1ea7u th\u00f4ng qua vi\u1ec7c t\u0103ng n\u0103ng su\u1ea5t c\u1ee7a m\u1ed9t s\u1ed1 c\u00e2y l\u01b0\u01a1ng th\u1ef1c quan tr\u1ecdng nh\u1ea5t nh\u01b0 l\u00faa m\u00ec, b\u00f4ng v\u00e0 g\u1ea1o.<\/span>\u0110\u0103ng ng\u00e0y 02-05-2015<\/span> trong chuy\u00ean m\u1ee5c Tin th\u1ebf gi\u1edbi<\/a><\/p>\n<\/div>\n
\n
Ti\u1ebfn s\u0129 Spencer Whitney t\u1eeb \u0110\u1ea1i h\u1ecdc Qu\u1ed1c gia \u00d4x \u2013 tr\u00e2y – lia (ANU) l\u00e0 ng\u01b0\u1eddi ch\u1ee7 tr\u00ec nghi\u00ean c\u1ee9u cho bi\u1ebft: \u201cEnzim Rubisco \u0111\u00e3 g\u00e2y kh\u00f3 kh\u0103n cho c\u00e1c nh\u00e0 khoa h\u1ecdc trong h\u01a1n 50 n\u0103m qua\u201d. Ph\u1ea7n l\u1edbn s\u1ef1 nh\u1ea7m l\u1eabn b\u1eaft ngu\u1ed3n t\u1eeb c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p c\u1ee7a Rubisco. \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i enzim v\u1edbi 16 \u0111o\u1ea1n \u0111\u00f2i h\u1ecfi s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a h\u01a1n 12 lo\u1ea1i protein kh\u00e1c \u0111\u1ec3 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/div>\n
\nTi\u1ebfn s\u0129 Spencer cho bi\u1ebft: \u201cCh\u00fang t\u00f4i t\u1eadp trung v\u00e0o m\u1ed9t trong nh\u1eefng protein \u0111\u1ed1i t\u00e1c c\u1ee7a Rubisco, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 RAF1. B\u1eb1ng c\u00e1ch \u0111\u01b0a RAF1 v\u00e0o enzim Rubisco, ch\u00fang t\u00f4i nh\u1eadn th\u1ea5y s\u1ed1 l\u01b0\u1ee3ng Rubisco s\u1ea3n sinh trong l\u00e1 c\u00f3 th\u1ec3 t\u0103ng h\u01a1n g\u1ea5p \u0111\u00f4i\u201d.<\/div>\n
\nRubisco l\u00e0 th\u00e0nh ph\u1ea7n c\u00f3 nhi\u1ec1u nh\u1ea5t tr\u00ean h\u00e0nh tinh, th\u1ef1c hi\u1ec7n m\u1ed9t trong nh\u1eefng tr\u00e1ch nhi\u1ec7m quan tr\u1ecdng nh\u1ea5t trong cu\u1ed9c s\u1ed1ng tr\u00ean Tr\u00e1i \u0110\u1ea5t: chuy\u1ec3n \u0111\u1ed5i c\u00e1c-bon \u0111i\u00f4xit v\u00e0o c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 v\u1ed1n r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c t\u1ebf b\u00e0o th\u1ef1c v\u1eadt v\u00e0 \u0111\u1ed9ng v\u1eadt.<\/div>\n
\nTi\u1ebfn s\u0129 Whitney n\u00f3i: \u201cVi\u1ec7c t\u00ecm hi\u1ec3u v\u1ec1 quan h\u1ec7 \u0111\u1ed1i t\u00e1c v\u1edbi RAF1 c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng \u0111\u1ed1i v\u1edbi nh\u1eefng n\u1ed7 l\u1ef1c th\u00fac \u0111\u1ea9y c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Rubisco v\u1edbi m\u1ed9t m\u1ee5c ti\u00eau quan tr\u1ecdng l\u00e0 n\u00e2ng cao n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng. Trong m\u1ed9t th\u1ebf gi\u1edbi m\u00e0 nhu c\u1ea7u \u0111\u1ed1i v\u1edbi th\u1ef1c ph\u1ea9m ng\u00e0y c\u00e0ng t\u0103ng, \u0111\u00e2y l\u00e0 m\u1ed9t c\u1ed9t m\u1ed1c quan tr\u1ecdng nh\u1eb1m t\u0103ng t\u1ed1c \u0111\u1ed9 quang h\u1ee3p \u1edf c\u00e2y tr\u1ed3ng d\u1ef1a ch\u1ee7 y\u1ebfu v\u00e0o Rubisco\u201d.<\/div>\n
\nNghi\u00ean c\u1ee9u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi s\u1ef1 h\u1ee3p t\u00e1c c\u1ee7a tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Wollongong cho th\u1ea5y Rubisco v\u00e0 RAF1 c\u00f9ng nhau ti\u1ebfn h\u00f3a. S\u1ef1 thay \u0111\u1ed5i c\u1ee7a th\u00e0nh ph\u1ea7n n\u00e0y \u0111\u00f2i h\u1ecfi th\u00e0nh ph\u1ea7n kia c\u0169ng thay \u0111\u1ed5i.<\/div>\n
\nTi\u1ebfn s\u0129 Whitney cho bi\u1ebft: \u201cCh\u00fang t\u00f4i c\u1ea3i thi\u1ec7n vi\u1ec7c s\u1ea3n xu\u1ea5t Rubisco bi\u1ebfn \u0111\u1ed5i gien trong l\u00e1 b\u1eb1ng c\u00e1ch ch\u00e8n m\u1ed9t phi\u00ean b\u1ea3n bi\u1ebfn \u0111\u1ed5i gien c\u1ee7a RAF1. \u0110i\u1ec1u n\u00e0y gi\u00fap l\u01b0\u1ee3ng Rubisco t\u0103ng g\u1ea5p \u0111\u00f4i, v\u00e0 k\u1ebft qu\u1ea3 l\u00e0 qu\u00e1 tr\u00ecnh quang h\u1ee3p \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng, c\u00e2y ph\u00e1t tri\u1ec3n nhanh h\u01a1n so v\u1edbi nh\u1eefng c\u00e2y m\u00e0 RAF1 kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o\u201d.<\/div>\n
\nTheo phys.org<\/strong><\/em><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Nh\u00e0 khoa h\u1ecdc \u00d4x \u2013 tr\u00e2y – lia \u0111\u00e3 t\u00ecm ra m\u1ed9t enzim c\u1ea7n thi\u1ebft cho s\u1ef1 t\u0103ng tr\u01b0\u1edfng c\u1ee7a c\u00e2y tr\u1ed3ng. Ph\u00e1t hi\u1ec7n n\u00e0y c\u00f3 \u00fd ngh\u0129a l\u1edbn trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng an ninh l\u01b0\u01a1ng th\u1ef1c to\u00e0n c\u1ea7u th\u00f4ng qua vi\u1ec7c t\u0103ng n\u0103ng su\u1ea5t c\u1ee7a m\u1ed9t s\u1ed1 c\u00e2y l\u01b0\u01a1ng th\u1ef1c quan tr\u1ecdng nh\u1ea5t nh\u01b0 l\u00faa m\u00ec, b\u00f4ng v\u00e0 g\u1ea1o.<\/p>\n","protected":false},"author":1,"featured_media":6496,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6705"}],"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=6705"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6705\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6496"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6705"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}