{"id":13329,"date":"2019-03-28T07:42:09","date_gmt":"2019-03-28T07:42:09","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=13329"},"modified":"2019-03-28T07:42:09","modified_gmt":"2019-03-28T07:42:09","slug":"neotenic-salamanders-unveiling-the-mysteries-of-an-aquatic-adaptation","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/zoology\/neotenic-salamanders-unveiling-the-mysteries-of-an-aquatic-adaptation\/","title":{"rendered":"C\u00e1c lo\u00e0i k\u1ef3 gi\u00f4ng Neotenic: S\u1ef1 th\u00edch nghi \u0111\u00e1ng kinh ng\u1ea1c v\u1edbi \u0111i\u1ec1u ki\u1ec7n b\u1ea5t l\u1ee3i"},"content":{"rendered":"

C\u00e1c lo\u00e0i k\u1ef3 gi\u00f4ng Neotenic: S\u1ef1 th\u00edch nghi \u0111\u1ed9c \u0111\u00e1o v\u1edbi m\u1ed9t m\u00f4i tr\u01b0\u1eddng s\u1ed1ng b\u1ea5t th\u01b0\u1eddng<\/h2>\n\n

Ph\u00e1t hi\u1ec7n ra m\u1ed9t k\u1ef3 quan d\u01b0\u1edbi n\u01b0\u1edbc<\/h3>\n\n

Trong l\u00f2ng h\u1ed3 ch\u1ee9a Wisconsin, m\u1ed9t kh\u00e1m ph\u00e1 phi th\u01b0\u1eddng \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n: m\u1ed9t qu\u1ea7n th\u1ec3 k\u1ef3 gi\u00f4ng h\u1ed5 ph\u01b0\u01a1ng \u0110\u00f4ng \u0111ang ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd ho\u00e0n to\u00e0n d\u01b0\u1edbi n\u01b0\u1edbc. Nh\u1eefng con k\u1ef3 gi\u00f4ng n\u00e0y, th\u01b0\u1eddng l\u00e0 nh\u1eefng sinh v\u1eadt tr\u00ean c\u1ea1n, \u0111\u00e3 th\u00edch nghi v\u1edbi cu\u1ed9c s\u1ed1ng d\u01b0\u1edbi n\u01b0\u1edbc, gi\u1eef nguy\u00ean c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u1ea5u tr\u00f9ng c\u1ee7a ch\u00fang khi tr\u01b0\u1edfng th\u00e0nh.<\/p>\n\n

Tr\u01b0\u1eddng h\u1ee3p b\u00ed \u1ea9n v\u1ec1 s\u1ef1 Neoteny<\/h3>\n\n

Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ef1 neoteny, x\u1ea3y ra khi \u1ea5u tr\u00f9ng l\u01b0\u1ee1ng c\u01b0 \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ed9 tu\u1ed5i tr\u01b0\u1edfng th\u00e0nh v\u1ec1 m\u1eb7t t\u00ecnh d\u1ee5c m\u00e0 kh\u00f4ng tr\u1ea3i qua qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i th\u00f4ng th\u01b0\u1eddng th\u00e0nh nh\u1eefng con tr\u01b0\u1edfng th\u00e0nh s\u1ed1ng tr\u00ean c\u1ea1n. Nh\u1eefng con k\u1ef3 gi\u00f4ng Badger \u0111\u00e3 th\u1ec3 hi\u1ec7n \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ed9c \u0111\u00e1o n\u00e0y, v\u1edbi mang h\u00ecnh l\u00f4ng v\u0169, h\u00e0m r\u1ed9ng v\u00e0 v\u00e2y \u0111u\u00f4i.<\/p>\n\n

H\u1ed3 ch\u1ee9a c\u1ee7a nh\u1eefng b\u00ed m\u1eadt<\/h3>\n\n

H\u1ed3 ch\u1ee9a m\u1edf t\u1ea1i Nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t \u0111\u1ea1n d\u01b0\u1ee3c Badger Army \u0111\u00e3 v\u00f4 t\u00ecnh t\u1ea1o ra m\u1ed9t n\u01a1i tr\u00fa \u1ea9n cho nh\u1eefng con k\u1ef3 gi\u00f4ng. Ch\u00fang v\u00e0o h\u1ed3 ch\u1ee9a \u0111\u1ec3 \u0111\u1ebb tr\u1ee9ng, nh\u01b0ng m\u1ed9t b\u1edd cao b\u1ea3y inch \u0111\u00e3 ng\u0103n c\u1ea3n ch\u00fang tho\u00e1t ra ngo\u00e0i. B\u1ecb m\u1eafc k\u1eb9t trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc n\u00e0y, nh\u1eefng con k\u1ef3 gi\u00f4ng \u0111\u00e3 th\u00edch nghi b\u1eb1ng c\u00e1ch tr\u1edf th\u00e0nh lo\u00e0i neoten, sinh t\u1ed3n v\u00e0 sinh s\u1ea3n trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng s\u1ed1ng b\u1ea5t th\u01b0\u1eddng.<\/p>\n\n

Vai tr\u00f2 c\u1ee7a c\u00e1 trong s\u1ef1 Neoteny<\/h3>\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u tin r\u1eb1ng s\u1ef1 v\u1eafng m\u1eb7t c\u1ee7a c\u00e1 trong h\u1ed3 ch\u1ee9a l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 ch\u00ednh trong kh\u1ea3 n\u0103ng ph\u00e1t tri\u1ec3n c\u1ee7a nh\u1eefng con k\u1ef3 gi\u00f4ng. C\u00e1 \u0111\u01b0\u1ee3c bi\u1ebft l\u00e0 s\u0103n m\u1ed3i tr\u1ee9ng v\u00e0 \u1ea5u tr\u00f9ng c\u1ee7a lo\u00e0i l\u01b0\u1ee1ng c\u01b0, t\u1ea1o ra \u00e1p l\u1ef1c ch\u1ecdn l\u1ecdc \u0111\u1ec3 c\u00e1c lo\u00e0i l\u01b0\u1ee1ng c\u01b0 c\u01b0 tr\u00fa t\u1ea1i c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00f4ng c\u00f3 c\u00e1.<\/p>\n\n

M\u1ed9t c\u00e1i nh\u00ecn tho\u00e1ng qua v\u1ec1 qu\u00e1 kh\u1ee9<\/h3>\n\n

Nh\u1eefng con k\u1ef3 gi\u00f4ng Badger c\u00f3 th\u1ec3 cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 s\u1ef1 ph\u00e2n b\u1ed1 v\u00e0 h\u00e0nh vi trong l\u1ecbch s\u1eed c\u1ee7a lo\u00e0i k\u1ef3 gi\u00f4ng h\u1ed5 ph\u01b0\u01a1ng \u0110\u00f4ng. Tr\u01b0\u1edbc khi ng\u01b0\u1eddi ch\u00e2u \u00c2u \u0111\u1ecbnh c\u01b0, c\u00e1 kh\u00f4ng ph\u1ed5 bi\u1ebfn nh\u01b0 v\u1eady v\u00e0 c\u00e1c lo\u00e0i l\u01b0\u1ee1ng c\u01b0 c\u00f3 kh\u1ea3 n\u0103ng c\u01b0 tr\u00fa trong m\u1ed9t ph\u1ea1m vi r\u1ed9ng h\u01a1n c\u00e1c v\u00f9ng n\u01b0\u1edbc, bao g\u1ed3m c\u1ea3 c\u00e1c v\u00f9ng n\u01b0\u1edbc th\u01b0\u1eddng tr\u1ef1c. M\u00f4i tr\u01b0\u1eddng kh\u00f4ng c\u00f3 c\u00e1 c\u1ee7a h\u1ed3 ch\u1ee9a c\u00f3 th\u1ec3 \u0111\u00e3 b\u1eaft ch\u01b0\u1edbc c\u1ea3nh quan l\u1ecbch s\u1eed n\u00e0y, cho ph\u00e9p nh\u1eefng con k\u1ef3 gi\u00f4ng quay tr\u1edf l\u1ea1i l\u1ed1i s\u1ed1ng th\u1ee7y sinh c\u1ee7a t\u1ed5 ti\u00ean ch\u00fang.<\/p>\n\n

Nh\u1eefng th\u00e1ch th\u1ee9c v\u1ec1 b\u1ea3o t\u1ed3n<\/h3>\n\n

V\u1edbi vi\u1ec7c \u0111\u00f3ng c\u1eeda Nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t \u0111\u1ea1n d\u01b0\u1ee3c Badger Army, t\u01b0\u01a1ng lai c\u1ee7a h\u1ed3 ch\u1ee9a v\u00e0 nh\u1eefng con k\u1ef3 gi\u00f4ng neoten \u0111ang kh\u00f4ng ch\u1eafc ch\u1eafn. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111ang ch\u1ea1y \u0111ua v\u1edbi th\u1eddi gian \u0111\u1ec3 nghi\u00ean c\u1ee9u nh\u1eefng sinh v\u1eadt \u0111\u1ed9c \u0111\u00e1o n\u00e0y v\u00e0 t\u00ecm m\u1ed9t ng\u00f4i nh\u00e0 m\u1edbi ph\u00f9 h\u1ee3p cho ch\u00fang. Vi\u1ec7c tho\u00e1t n\u01b0\u1edbc kh\u1ecfi h\u1ed3 ch\u1ee9a s\u1ebd bu\u1ed9c nh\u1eefng con k\u1ef3 gi\u00f4ng ph\u1ea3i bi\u1ebfn \u0111\u1ed5i th\u00e0nh nh\u1eefng con tr\u01b0\u1edfng th\u00e0nh s\u1ed1ng tr\u00ean c\u1ea1n, c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1 v\u1ee1 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m th\u00edch nghi neoten c\u1ee7a ch\u00fang v\u00e0 g\u00e2y nguy hi\u1ec3m cho s\u1ef1 s\u1ed1ng c\u00f2n c\u1ee7a ch\u00fang.<\/p>\n\n

\u00dd ngh\u0129a c\u1ee7a s\u1ef1 Neoteny<\/h3>\n\n

Nh\u1eefng con k\u1ef3 gi\u00f4ng Badger \u0111\u1ea1i di\u1ec7n cho m\u1ed9t v\u00ed d\u1ee5 s\u1ed1ng v\u1ec1 kh\u1ea3 n\u0103ng th\u00edch nghi \u0111\u00e1ng kinh ng\u1ea1c c\u1ee7a c\u00e1c lo\u00e0i. Kh\u1ea3 n\u0103ng ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd c\u1ee7a ch\u00fang trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec3u c\u00e1c y\u1ebfu t\u1ed1 th\u00fac \u0111\u1ea9y s\u1ef1 neoteny v\u00e0 vai tr\u00f2 ti\u1ec1m t\u00e0ng c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi trong vi\u1ec7c \u0111\u1ecbnh h\u00ecnh qu\u1ea7n th\u1ec3 lo\u00e0i l\u01b0\u1ee1ng c\u01b0.<\/p>\n\n

Nh\u1eefng c\u00e2u h\u1ecfi ch\u01b0a c\u00f3 l\u1eddi gi\u1ea3i \u0111\u00e1p v\u00e0 nghi\u00ean c\u1ee9u trong t\u01b0\u01a1ng lai<\/h3>\n\n

V\u1eabn c\u00f2n nhi\u1ec1u c\u00e2u h\u1ecfi v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc v\u00e0 sinh th\u00e1i c\u1ee7a k\u1ef3 gi\u00f4ng Badger. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111ang \u0111i\u1ec1u tra c\u00e1c y\u1ebfu t\u1ed1 di truy\u1ec1n v\u00e0 m\u00f4i tr\u01b0\u1eddng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea1ng th\u00e1i neoten c\u1ee7a ch\u00fang. Vi\u1ec7c hi\u1ec3u c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y s\u1ebd r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c b\u1ea3o t\u1ed3n hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a qu\u1ea7n th\u1ec3 lo\u00e0i l\u01b0\u1ee1ng c\u01b0 \u0111\u1ed9c \u0111\u00e1o n\u00e0y.<\/p>\n\n

Ph\u1ea7n k\u1ebft lu\u1eadn<\/h3>\n\n

Nh\u1eefng con k\u1ef3 gi\u00f4ng neoten t\u1ea1i Nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t \u0111\u1ea1n d\u01b0\u1ee3c Badger Army l\u00e0 minh ch\u1ee9ng cho s\u1ee9c s\u1ed1ng v\u00e0 kh\u1ea3 n\u0103ng th\u00edch nghi c\u1ee7a s\u1ef1 s\u1ed1ng. Vi\u1ec7c ph\u00e1t hi\u1ec7n ra ch\u00fang \u0111\u00e3 m\u1edf ra nh\u1eefng h\u01b0\u1edbng nghi\u00ean c\u1ee9u m\u1edbi trong l\u0129nh v\u1ef1c sinh h\u1ecdc v\u00e0 b\u1ea3o t\u1ed3n lo\u00e0i l\u01b0\u1ee1ng c\u01b0, cung c\u1ea5p nh\u1eefng th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c lo\u00e0i v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ee7a ch\u00fang. Khi c\u00e1c nh\u00e0 khoa h\u1ecdc ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u nh\u1eefng sinh v\u1eadt \u0111\u00e1ng ch\u00fa \u00fd n\u00e0y, ch\u00fang ta c\u00f3 th\u1ec3 hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a thi\u00ean nhi\u00ean v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c b\u1ea3o t\u1ed3n nh\u1eefng k\u1ef3 quan c\u1ee7a n\u00f3.<\/p>","protected":false},"excerpt":{"rendered":"

C\u00e1c lo\u00e0i k\u1ef3 gi\u00f4ng Neotenic: S\u1ef1 th\u00edch nghi \u0111\u1ed9c \u0111\u00e1o v\u1edbi m\u1ed9t m\u00f4i tr\u01b0\u1eddng s\u1ed1ng b\u1ea5t th\u01b0\u1eddng Ph\u00e1t hi\u1ec7n ra m\u1ed9t k\u1ef3 quan d\u01b0\u1edbi n\u01b0\u1edbc Trong l\u00f2ng h\u1ed3 ch\u1ee9a Wisconsin,…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[401,8094,17979,16560,17980,136],"class_list":["post-13329","post","type-post","status-publish","format-standard","hentry","category-zoology","tag-conservation","tag-salamanders","tag-neoteny","tag-wildlife-biology","tag-aquatic-adaptations","tag-evolution"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13329","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=13329"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13329\/revisions"}],"predecessor-version":[{"id":13330,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13329\/revisions\/13330"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=13329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=13329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=13329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}