T\u1eb1m t\u01a1, v\u1edbi v\u1ebb ngo\u00e0i t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n, l\u1ea1i \u1ea9n ch\u1ee9a s\u1ef1 \u0111a d\u1ea1ng v\u1ec1 m\u00e0u s\u1eafc c\u1ee7a k\u00e9n, ch\u1ee7 y\u1ebfu l\u00e0 tr\u1eafng, v\u00e0ng v\u00e0 xanh l\u00e1. S\u1ef1 \u0111a d\u1ea1ng n\u00e0y kh\u00f4ng ch\u1ec9 mang t\u00ednh th\u1ea9m m\u1ef9 m\u00e0 c\u00f2n ph\u1ea3n \u00e1nh nh\u1eefng y\u1ebfu t\u1ed1 di truy\u1ec1n ph\u1ee9c t\u1ea1p, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng t\u01a1 v\u00e0 qu\u00e1 tr\u00ecnh nu\u00f4i t\u1eb1m. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o ph\u00e2n t\u00edch c\u01a1 ch\u1ebf di truy\u1ec1n quy\u1ebft \u0111\u1ecbnh m\u00e0u s\u1eafc k\u00e9n t\u1eb1m, t\u1eadp trung v\u00e0o ba m\u00e0u s\u1eafc ch\u00ednh: tr\u1eafng, v\u00e0ng v\u00e0 xanh l\u00e1.<\/p>\n
M\u00e0u k\u00e9n tr\u1eafng l\u00e0 m\u00e0u ph\u1ed5 bi\u1ebfn nh\u1ea5t trong c\u00e1c gi\u1ed1ng t\u1eb1m t\u01a1. M\u00e0u tr\u1eafng \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi s\u1ef1 thi\u1ebfu h\u1ee5t ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng y\u1ebfu c\u1ee7a c\u00e1c gen m\u00e3 h\u00f3a c\u00e1c s\u1eafc t\u1ed1 kh\u00e1c. C\u1ee5 th\u1ec3, c\u00e1c gen li\u00ean quan \u0111\u1ebfn t\u1ed5ng h\u1ee3p s\u1eafc t\u1ed1 v\u00e0ng v\u00e0 xanh l\u00e1 c\u00e2y trong k\u00e9n s\u1ebd b\u1ecb b\u1ea5t ho\u1ea1t ho\u1eb7c bi\u1ec3u hi\u1ec7n \u1edf m\u1ee9c \u0111\u1ed9 r\u1ea5t th\u1ea5p. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn vi\u1ec7c k\u00e9n ch\u1ec9 ph\u1ea3n chi\u1ebfu \u00e1nh s\u00e1ng tr\u1eafng, t\u1ea1o ra m\u00e0u s\u1eafc \u0111\u1eb7c tr\u01b0ng. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, m\u00e0u tr\u1eafng l\u00e0 t\u00ednh tr\u1ea1ng tr\u1ed9i, ngh\u0129a l\u00e0 ch\u1ec9 c\u1ea7n m\u1ed9t alen tr\u1ed9i l\u00e0 \u0111\u1ee7 \u0111\u1ec3 bi\u1ec3u hi\u1ec7n m\u00e0u tr\u1eafng, ngay c\u1ea3 khi c\u00f3 alen l\u1eb7n quy \u0111\u1ecbnh m\u00e0u s\u1eafc kh\u00e1c. V\u00ec v\u1eady, vi\u1ec7c lai t\u1ea1o t\u1eb1m k\u00e9n tr\u1eafng t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 d\u00e0ng h\u01a1n so v\u1edbi c\u00e1c m\u00e0u kh\u00e1c.<\/p>\n
M\u00e0u k\u00e9n v\u00e0ng \u0111\u01b0\u1ee3c t\u1ea1o ra nh\u1edd s\u1ef1 t\u1ed5ng h\u1ee3p v\u00e0 t\u00edch l\u0169y c\u00e1c s\u1eafc t\u1ed1 carotenoid trong l\u1edbp fibroin c\u1ee7a k\u00e9n. C\u00e1c gen ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p v\u00e0 v\u1eadn chuy\u1ec3n carotenoid quy\u1ebft \u0111\u1ecbnh c\u01b0\u1eddng \u0111\u1ed9 m\u00e0u v\u00e0ng. M\u1ed9t s\u1ed1 gen c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng carotenoid \u0111\u01b0\u1ee3c t\u00edch l\u0169y, d\u1eabn \u0111\u1ebfn c\u00e1c s\u1eafc th\u00e1i v\u00e0ng kh\u00e1c nhau, t\u1eeb v\u00e0ng nh\u1ea1t \u0111\u1ebfn v\u00e0ng \u0111\u1eadm. Th\u01b0\u1eddng th\u00ec m\u00e0u v\u00e0ng l\u00e0 t\u00ednh tr\u1ea1ng l\u1eb7n, ngh\u0129a l\u00e0 c\u1ea7n ph\u1ea3i c\u00f3 hai alen l\u1eb7n \u0111\u1ec3 bi\u1ec3u hi\u1ec7n m\u00e0u v\u00e0ng. Vi\u1ec7c lai t\u1ea1o t\u1eb1m k\u00e9n v\u00e0ng \u0111\u00f2i h\u1ecfi s\u1ef1 l\u1ef1a ch\u1ecdn v\u00e0 k\u1ebft h\u1ee3p c\u00e1c d\u00f2ng t\u1eb1m c\u00f3 gen quy \u0111\u1ecbnh m\u00e0u v\u00e0ng m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. S\u1ef1 bi\u1ebfn \u0111\u1ed5i v\u1ec1 m\u00e0u s\u1eafc v\u00e0ng c\u0169ng c\u00f3 th\u1ec3 ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u1ebf \u0111\u1ed9 dinh d\u01b0\u1ee1ng c\u1ee7a t\u1eb1m, \u0111\u1eb7c bi\u1ec7t l\u00e0 ngu\u1ed3n th\u1ee9c \u0103n gi\u00e0u carotenoid.<\/p>\n
M\u00e0u k\u00e9n xanh l\u00e1 l\u00e0 m\u1ed9t t\u00ednh tr\u1ea1ng t\u01b0\u01a1ng \u0111\u1ed1i hi\u1ebfm g\u1eb7p. M\u00e0u s\u1eafc n\u00e0y \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c s\u1eafc t\u1ed1 kh\u00e1c nhau, bao g\u1ed3m c\u1ea3 chlorophyll (m\u1eb7c d\u00f9 chlorophyll kh\u00f4ng ph\u1ea3i l\u00e0 s\u1eafc t\u1ed1 ch\u00ednh trong k\u00e9n) v\u00e0 c\u00e1c s\u1eafc t\u1ed1 kh\u00e1c. C\u01a1 ch\u1ebf di truy\u1ec1n chi ph\u1ed1i m\u00e0u xanh l\u00e1 c\u00e2y ph\u1ee9c t\u1ea1p h\u01a1n so v\u1edbi m\u00e0u tr\u1eafng v\u00e0 v\u00e0ng. C\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u gen c\u00f9ng tham gia v\u00e0o qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p v\u00e0 \u0111i\u1ec1u ti\u1ebft c\u00e1c s\u1eafc t\u1ed1 t\u1ea1o n\u00ean m\u00e0u xanh l\u00e1. Hi\u1ec7n nay, nghi\u00ean c\u1ee9u v\u1ec1 c\u01a1 ch\u1ebf di truy\u1ec1n c\u1ee7a m\u00e0u k\u00e9n xanh l\u00e1 c\u00f2n h\u1ea1n ch\u1ebf. Vi\u1ec7c lai t\u1ea1o t\u1eb1m k\u00e9n xanh l\u00e1 c\u1ea7n ph\u1ea3i c\u00f3 s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 c\u00e1c gen li\u00ean quan v\u00e0 k\u1ef9 thu\u1eadt lai t\u1ea1o ch\u00ednh x\u00e1c. C\u00f3 gi\u1ea3 thuy\u1ebft cho r\u1eb1ng m\u00e0u xanh l\u00e1 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c gen quy \u0111\u1ecbnh m\u00e0u v\u00e0ng v\u00e0 m\u1ed9t ho\u1eb7c nhi\u1ec1u gen kh\u00e1c.<\/p>\n
Ngo\u00e0i y\u1ebfu t\u1ed1 di truy\u1ec1n, m\u00f4i tr\u01b0\u1eddng c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00e0u s\u1eafc c\u1ee7a k\u00e9n. Ch\u1ebf \u0111\u1ed9 dinh d\u01b0\u1ee1ng, nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m\u2026 \u0111\u1ec1u c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p s\u1eafc t\u1ed1, d\u1eabn \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i nh\u1eb9 v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9 m\u00e0u s\u1eafc. Tuy nhi\u00ean, \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u00f4i tr\u01b0\u1eddng th\u01b0\u1eddng kh\u00f4ng l\u00e0m thay \u0111\u1ed5i b\u1ea3n ch\u1ea5t m\u00e0u s\u1eafc ch\u00ednh c\u1ee7a k\u00e9n (tr\u1eafng, v\u00e0ng, xanh l\u00e1). V\u00ed d\u1ee5, t\u1eb1m \u0103n l\u00e1 d\u00e2u gi\u00e0u carotenoid c\u00f3 th\u1ec3 cho k\u00e9n v\u00e0ng \u0111\u1eadm h\u01a1n so v\u1edbi t\u1eb1m \u0103n l\u00e1 d\u00e2u ngh\u00e8o carotenoid. Vi\u1ec7c ki\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng nu\u00f4i t\u1eb1m l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u1ec1 m\u00e0u s\u1eafc k\u00e9n, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c d\u00f2ng t\u1eb1m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t t\u01a1 l\u1ee5a th\u01b0\u01a1ng m\u1ea1i, v\u00ed d\u1ee5 nh\u01b0 t\u1eb1m c\u1ee7a PandaSilk.<\/p>\n
| M\u00e0u k\u00e9n<\/th>\n | T\u00ednh tr\u1ea1ng di truy\u1ec1n<\/th>\n | S\u1eafc t\u1ed1 ch\u00ednh<\/th>\n | Y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng<\/th>\n<\/tr>\n<\/thead>\n |
|---|---|---|---|
| Tr\u1eafng<\/td>\n | Tr\u1ed9i<\/td>\n | Thi\u1ebfu s\u1eafc t\u1ed1<\/td>\n | \u00cdt b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi m\u00f4i tr\u01b0\u1eddng<\/td>\n<\/tr>\n |
| V\u00e0ng<\/td>\n | L\u1eb7n<\/td>\n | Carotenoid<\/td>\n | Ch\u1ebf \u0111\u1ed9 dinh d\u01b0\u1ee1ng<\/td>\n<\/tr>\n |
| Xanh l\u00e1<\/td>\n | Ph\u1ee9c t\u1ea1p<\/td>\n | Nhi\u1ec1u s\u1eafc t\u1ed1<\/td>\n | Ch\u01b0a \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u r\u00f5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n K\u1ebft lu\u1eadn: M\u00e0u s\u1eafc k\u00e9n t\u1eb1m, \u0111\u1eb7c bi\u1ec7t l\u00e0 ba m\u00e0u tr\u1eafng, v\u00e0ng v\u00e0 xanh l\u00e1, l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 t\u01b0\u01a1ng t\u00e1c ph\u1ee9c t\u1ea1p gi\u1eefa c\u00e1c gen v\u00e0 m\u00f4i tr\u01b0\u1eddng. S\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u01a1 ch\u1ebf di truy\u1ec1n n\u00e0y kh\u00f4ng ch\u1ec9 c\u00f3 \u00fd ngh\u0129a v\u1ec1 m\u1eb7t khoa h\u1ecdc m\u00e0 c\u00f2n r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c lai t\u1ea1o c\u00e1c gi\u1ed1ng t\u1eb1m c\u00f3 m\u00e0u s\u1eafc k\u00e9n mong mu\u1ed1n, ph\u1ee5c v\u1ee5 cho nhu c\u1ea7u s\u1ea3n xu\u1ea5t t\u01a1 l\u1ee5a ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 \u0111a d\u1ea1ng v\u1ec1 m\u00e0u s\u1eafc. Nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n v\u1ec1 di truy\u1ec1n h\u1ecdc c\u1ee7a m\u00e0u k\u00e9n t\u1eb1m, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e0u xanh l\u00e1, v\u1eabn c\u1ea7n \u0111\u01b0\u1ee3c ti\u1ebfp t\u1ee5c \u0111\u1ec3 m\u1edf r\u1ed9ng hi\u1ec3u bi\u1ebft v\u00e0 \u1ee9ng d\u1ee5ng trong th\u1ef1c ti\u1ec5n.<\/p>\n","protected":false},"excerpt":{"rendered":" T\u1eb1m t\u01a1, v\u1edbi v\u1ebb ngo\u00e0i t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n, l\u1ea1i \u1ea9n ch\u1ee9a s\u1ef1 \u0111a d\u1ea1ng v\u1ec1 m\u00e0u s\u1eafc c\u1ee7a k\u00e9n, ch\u1ee7 y\u1ebfu l\u00e0 tr\u1eafng, v\u00e0ng v\u00e0 xanh l\u00e1. S\u1ef1 \u0111a d\u1ea1ng n\u00e0y kh\u00f4ng ch\u1ec9 mang t\u00ednh th\u1ea9m m\u1ef9 m\u00e0 c\u00f2n ph\u1ea3n \u00e1nh nh\u1eefng y\u1ebfu t\u1ed1 di truy\u1ec1n ph\u1ee9c t\u1ea1p, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng t\u01a1<\/p>\n","protected":false},"author":1,"featured_media":75827,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37755],"tags":[],"class_list":["post-111577","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sericulture-vi","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.pandasilk.com\/vi\/wp-json\/wp\/v2\/posts\/111577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pandasilk.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pandasilk.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/vi\/wp-json\/wp\/v2\/comments?post=111577"}],"version-history":[{"count":0,"href":"https:\/\/www.pandasilk.com\/vi\/wp-json\/wp\/v2\/posts\/111577\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/vi\/wp-json\/wp\/v2\/media\/75827"}],"wp:attachment":[{"href":"https:\/\/www.pandasilk.com\/vi\/wp-json\/wp\/v2\/media?parent=111577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pandasilk.com\/vi\/wp-json\/wp\/v2\/categories?post=111577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pandasilk.com\/vi\/wp-json\/wp\/v2\/tags?post=111577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}} |