{"id":18248,"date":"2019-07-16T08:29:54","date_gmt":"2019-07-16T08:29:54","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=18248"},"modified":"2019-07-16T08:29:54","modified_gmt":"2019-07-16T08:29:54","slug":"unveiling-the-genetic-secret-of-red-birds-vibrant-hues","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/zoology\/unveiling-the-genetic-secret-of-red-birds-vibrant-hues\/","title":{"rendered":"Chim \u0111\u1ecf l\u1ea5y m\u00e0u s\u1eafc r\u1ef1c r\u1ee1 t\u1eeb \u0111\u00e2u?"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Chim \u0110\u1ecf L\u1ea5y M\u00e0u S\u1eafc R\u1ef1c R\u1ee1 T\u1eeb \u0110\u00e2u?<\/h2>\n\n<h2 class=\"wp-block-heading\">H\u00e9 l\u1ed9 B\u00ed M\u1eadt Di Truy\u1ec1n<\/h2>\n\n<p>Trong b\u1ee9c tranh thi\u00ean nhi\u00ean r\u1ef1c r\u1ee1, nh\u1eefng ch\u00fa chim \u0111\u1ecf n\u1ed5i b\u1eadt nh\u01b0 nh\u1eefng c\u1ea3nh t\u01b0\u1ee3ng \u0111\u1ea7y m\u00ea ho\u1eb7c. B\u1ed9 l\u00f4ng c\u1ee7a ch\u00fang l\u1ea5p l\u00e1nh \u00e1nh \u0111\u1ecf th\u1eabm, m\u1ed9t \u0111i\u1ec1u b\u00ed \u1ea9n t\u1eeb l\u00e2u \u0111\u00e3 khi\u1ebfn c\u00e1c nh\u00e0 khoa h\u1ecdc ph\u1ea3i tr\u0103n tr\u1edf. Hai nghi\u00ean c\u1ee9u \u0111\u1ed9t ph\u00e1 hi\u1ec7n \u0111\u00e3 h\u00e9 l\u1ed9 n\u1ec1n t\u1ea3ng di truy\u1ec1n c\u1ee7a m\u00e0u s\u1eafc \u0111\u00e1ng ch\u00fa \u00fd n\u00e0y.<\/p>\n\n<p>B\u00ed \u1ea9n n\u1eb1m \u1edf m\u1ed9t gen \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 CYP2J19. Gen n\u00e0y ch\u1ecbu tr\u00e1ch nhi\u1ec7m chuy\u1ec3n \u0111\u1ed5i carotenoid m\u00e0u v\u00e0ng, s\u1eafc t\u1ed1 t\u00ecm th\u1ea5y trong th\u1ef1c v\u1eadt, th\u00e0nh ketocarotenoid m\u00e0u \u0111\u1ecf, t\u1ea1o n\u00ean s\u1eafc m\u00e0u \u0111\u1eb7c bi\u1ec7t cho b\u1ed9 l\u00f4ng c\u1ee7a chim. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng CYP2J19 \u0111\u1eb7c bi\u1ec7t ho\u1ea1t \u0111\u1ed9ng \u1edf nh\u1eefng lo\u00e0i chim c\u00f3 b\u1ed9 l\u00f4ng m\u00e0u \u0111\u1ecf, cho ph\u00e9p ch\u00fang t\u1ea1o ra nh\u1eefng m\u00e0u s\u1eafc r\u1ef1c r\u1ee1 t\u00f4 \u0111i\u1ec3m cho b\u1ed9 l\u00f4ng c\u1ee7a m\u00ecnh.<\/p>\n\n<h2 class=\"wp-block-heading\">C\u00e2u \u0110\u1ed1 Ti\u1ebfn H\u00f3a<\/h2>\n\n<p>M\u1eb7c d\u00f9 c\u01a1 ch\u1ebf di truy\u1ec1n \u0111\u1eb1ng sau m\u00e0u \u0111\u1ecf \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u00e1m ph\u00e1, nh\u01b0ng m\u1ee5c \u0111\u00edch ti\u1ebfn h\u00f3a v\u1eabn c\u00f2n l\u00e0 m\u1ed9t c\u00e2u \u0111\u1ed1. T\u1ea1i sao nh\u1eefng lo\u00e0i chim l\u1ea1i ti\u1ebfn h\u00f3a \u0111\u1ec3 th\u1ec3 hi\u1ec7n nh\u1eefng m\u00e0u s\u1eafc n\u1ed5i b\u1eadt nh\u01b0 v\u1eady, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn ch\u00fang d\u1ec5 b\u1ecb \u0111\u1ed9ng v\u1eadt \u0103n th\u1ecbt t\u1ea5n c\u00f4ng h\u01a1n?<\/p>\n\n<p>M\u1ed9t gi\u1ea3 thuy\u1ebft h\u1ea5p d\u1eabn cho r\u1eb1ng m\u00e0u \u0111\u1ecf c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a s\u1ee9c kh\u1ecfe v\u00e0 th\u1ec3 l\u1ef1c. Gen t\u1ea1o ra ketocarotenoid m\u00e0u \u0111\u1ecf c\u0169ng li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t \u0111\u1ed9c t\u1ed1. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 nh\u1eefng con chim c\u00f3 b\u1ed9 l\u00f4ng m\u00e0u \u0111\u1ecf t\u01b0\u01a1i h\u01a1n c\u00f3 th\u1ec3 gi\u1ea3i \u0111\u1ed9c c\u00e1c h\u00f3a ch\u1ea5t c\u00f3 h\u1ea1i m\u00e0 ch\u00fang ti\u00eau th\u1ee5 trong ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng t\u1ed1t h\u01a1n. N\u00f3i c\u00e1ch kh\u00e1c, m\u00e0u s\u1eafc r\u1ef1c r\u1ee1 c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 l\u00e0 minh ch\u1ee9ng cho kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecdi v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c c\u1ee7a m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n<h2 class=\"wp-block-heading\">\u1ee8ng D\u1ee5ng Th\u01b0\u01a1ng M\u1ea1i<\/h2>\n\n<p>Vi\u1ec7c ph\u00e1t hi\u1ec7n ra gen ch\u1ecbu tr\u00e1ch nhi\u1ec7m t\u1ea1o ra m\u00e0u \u0111\u1ecf \u1edf chim c\u0169ng \u0111\u00e3 g\u00e2y \u0111\u01b0\u1ee3c s\u1ef1 quan t\u00e2m \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i ti\u1ec1m n\u0103ng c\u1ee7a n\u00f3. Ketocarotenoid m\u00e0u \u0111\u1ecf r\u1ea5t \u0111\u01b0\u1ee3c ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m \u01b0a chu\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t t\u1ea1o m\u00e0u t\u1ef1 nhi\u00ean. V\u00ed d\u1ee5, astaxanthin nh\u00e2n t\u1ea1o, m\u1ed9t s\u1eafc t\u1ed1 \u0111\u1ecf c\u00f3 trong m\u1eaft c\u1ee7a m\u1ed9t s\u1ed1 lo\u00e0i chim, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o m\u00e0u h\u1ed3ng cho c\u00e1 h\u1ed3i nu\u00f4i.<\/p>\n\n<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u tin r\u1eb1ng vi\u1ec7c hi\u1ec3u \u0111\u01b0\u1ee3c c\u01a1 s\u1edf di truy\u1ec1n c\u1ee7a m\u00e0u \u0111\u1ecf \u1edf chim c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c lo\u1ea1i thu\u1ed1c nhu\u1ed9m c\u00f4ng nghi\u1ec7p m\u1edbi v\u00e0 c\u1ea3i ti\u1ebfn, m\u1edf r\u1ed9ng h\u01a1n n\u1eefa c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a nh\u1eefng s\u1eafc t\u1ed1 c\u00f3 gi\u00e1 tr\u1ecb n\u00e0y.<\/p>\n\n<h2 class=\"wp-block-heading\">Chim \u0110\u1ecf: B\u1ea3n Giao H\u01b0\u1edfng C\u1ee7a Thi\u00ean Nhi\u00ean<\/h2>\n\n<p>Nh\u1eefng s\u1eafc m\u00e0u r\u1ef1c r\u1ee1 c\u1ee7a nh\u1eefng ch\u00fa chim \u0111\u1ecf l\u00e0 minh ch\u1ee9ng cho s\u1ef1 t\u01b0\u01a1ng t\u00e1c ph\u1ee9c t\u1ea1p gi\u1eefa di truy\u1ec1n, ti\u1ebfn h\u00f3a v\u00e0 qu\u00e1 tr\u00ecnh theo \u0111u\u1ed5i s\u1ef1 s\u1ed1ng dai d\u1eb3ng. B\u1ed9 l\u00f4ng c\u1ee7a ch\u00fang kh\u00f4ng ch\u1ec9 mang t\u00ednh trang tr\u00ed m\u00e0 c\u00f2n \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t b\u1ee9c tranh ph\u00e1c h\u1ecda n\u00ean c\u00e2u chuy\u1ec7n v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc c\u1ee7a ch\u00fang. T\u1eeb nh\u1eefng chi\u1ec1u s\u00e2u ti\u1ec1m \u1ea9n trong m\u00e3 di truy\u1ec1n c\u1ee7a ch\u00fang \u0111\u1ebfn m\u00e0n tr\u00ecnh di\u1ec5n l\u1ed9ng l\u1eaby c\u1ee7a b\u1ed9 l\u00f4ng, nh\u1eefng ch\u00fa chim \u0111\u1ecf quy\u1ebfn r\u0169 ch\u00fang ta b\u1eb1ng v\u1ebb \u0111\u1eb9p v\u00e0 nh\u1eefng b\u00ed m\u1eadt ch\u00fang \u1ea9n ch\u1ee9a.<\/p>\n\n<h2 class=\"wp-block-heading\">Th\u00f4ng Tin B\u1ed5 Sung<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>M\u00e0u \u0111\u1ecf l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u1ed1i hi\u1ebfm trong th\u1ebf gi\u1edbi \u0111\u1ed9ng v\u1eadt do kh\u1ea3 n\u0103ng d\u1ec5 th\u1ea5y v\u00e0 kh\u1ea3 n\u0103ng thu h\u00fat \u0111\u1ed9ng v\u1eadt \u0103n th\u1ecbt c\u1ee7a n\u00f3.<\/li>\n<li>Gen CYP2J19 c\u00f3 m\u1eb7t \u1edf c\u1ea3 nh\u1eefng lo\u00e0i chim c\u00f3 l\u00f4ng m\u00e0u \u0111\u1ecf v\u00e0 nh\u1eefng lo\u00e0i chim c\u00f3 m\u00e0u l\u00f4ng x\u1ec9n h\u01a1n, nh\u01b0ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3 cao h\u01a1n \u0111\u00e1ng k\u1ec3 \u1edf nh\u1eefng lo\u00e0i chim \u0111\u1ecf.<\/li>\n<li>Nh\u1eefng con chim s\u1ebb m\u1ecf \u0111\u1ecf \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u trong m\u1ed9t trong c\u00e1c nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n mang gen CYP2J19, trong khi nh\u1eefng con chim s\u1ebb m\u1ecf v\u00e0ng kh\u00f4ng c\u00f3 gen n\u00e0y.<\/li>\n<li>Vi\u1ec7c ph\u00e1t hi\u1ec7n ra gen CYP2J19 \u0111\u00e3 m\u1edf ra nh\u1eefng h\u01b0\u1edbng nghi\u00ean c\u1ee9u m\u1edbi v\u1ec1 di truy\u1ec1n h\u1ecdc v\u1ec1 m\u00e0u s\u1eafc c\u1ee7a chim v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ti\u1ec1m n\u0103ng c\u1ee7a n\u00f3 trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Chim \u0110\u1ecf L\u1ea5y M\u00e0u S\u1eafc R\u1ef1c R\u1ee1 T\u1eeb \u0110\u00e2u? H\u00e9 l\u1ed9 B\u00ed M\u1eadt Di Truy\u1ec1n Trong b\u1ee9c tranh thi\u00ean nhi\u00ean r\u1ef1c r\u1ee1, nh\u1eefng ch\u00fa chim \u0111\u1ecf n\u1ed5i b\u1eadt nh\u01b0 nh\u1eefng&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[188,97,23872,23871,252,136],"class_list":["post-18248","post","type-post","status-publish","format-standard","hentry","category-zoology","tag-genetics","tag-science","tag-bird-coloration","tag-red-birds","tag-nature","tag-evolution"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/18248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=18248"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/18248\/revisions"}],"predecessor-version":[{"id":18249,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/18248\/revisions\/18249"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=18248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=18248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=18248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}