{"id":15317,"date":"2021-12-17T04:44:32","date_gmt":"2021-12-17T04:44:32","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15317"},"modified":"2021-12-17T04:44:32","modified_gmt":"2021-12-17T04:44:32","slug":"rediscovering-golden-mole-thought-extinct","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/zoology\/rediscovering-golden-mole-thought-extinct\/","title":{"rendered":"T\u00e1i kh\u00e1m ph\u00e1 lo\u00e0i chu\u1ed9t ch\u0169i v\u00e0ng De Winton t\u1eebng b\u1ecb cho l\u00e0 tuy\u1ec7t ch\u1ee7ng"},"content":{"rendered":"

Kh\u00e1m ph\u00e1 l\u1ea1i lo\u00e0i chu\u1ed9t ch\u0169i v\u00e0ng t\u1eebng \u0111\u01b0\u1ee3c cho l\u00e0 \u0111\u00e3 tuy\u1ec7t ch\u1ee7ng<\/h2>\n\n

Ch\u00f3 \u0111\u00e1nh h\u01a1i d\u1eabn \u0111\u1ebfn kh\u00e1m ph\u00e1<\/h2>\n\n

Nh\u1edd chi\u1ebfc m\u0169i th\u00ednh c\u1ee7a m\u1ed9t ch\u00fa ch\u00f3 ch\u0103n bi\u00ean gi\u1edbi t\u00ean l\u00e0 Jessie, m\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 kh\u00e1m ph\u00e1 l\u1ea1i m\u1ed9t lo\u00e0i chu\u1ed9t ch\u0169i v\u00e0ng t\u1eebng \u0111\u01b0\u1ee3c cho l\u00e0 \u0111\u00e3 tuy\u1ec7t ch\u1ee7ng. Chu\u1ed9t ch\u0169i v\u00e0ng De Winton, m\u1ed9t lo\u00e0i \u0111\u1ed9ng v\u1eadt c\u00f3 v\u00fa c\u1ef1c k\u1ef3 nguy c\u1ea5p, kh\u00f4ng \u0111\u01b0\u1ee3c ghi nh\u1eadn nh\u00ecn th\u1ea5y r\u00f5 r\u00e0ng k\u1ec3 t\u1eeb n\u0103m 1936.<\/p>\n\n

B\u1eb1ng ch\u1ee9ng DNA x\u00e1c nh\u1eadn s\u1ef1 t\u1ed3n t\u1ea1i<\/h2>\n\n

\u0110\u1ec3 x\u00e1c nh\u1eadn kh\u00e1m ph\u00e1 c\u1ee7a m\u00ecnh, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u1ea7n c\u1ea3 \u1ea3nh ch\u1ee5p lo\u00e0i v\u1eadt v\u00e0 b\u1eb1ng ch\u1ee9ng DNA. V\u00ec chu\u1ed9t ch\u0169i v\u00e0ng De Winton r\u1ea5t gi\u1ed1ng v\u1edbi c\u00e1c lo\u00e0i chu\u1ed9t ch\u0169i v\u00e0ng kh\u00e1c, n\u00ean ph\u00e2n t\u00edch DNA l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n\n

DNA m\u00f4i tr\u01b0\u1eddng: M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn kh\u00f4ng x\u00e2m l\u1ea5n<\/h2>\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 thu th\u1eadp DNA m\u00f4i tr\u01b0\u1eddng (eDNA), v\u1eadt li\u1ec7u di truy\u1ec1n do c\u00e1c sinh v\u1eadt th\u1ea3i ra c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t t\u1eeb m\u00f4i tr\u01b0\u1eddng. K\u1ef9 thu\u1eadt ti\u00ean ti\u1ebfn n\u00e0y cho ph\u00e9p h\u1ecd x\u00e1c \u0111\u1ecbnh s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a \u0111\u1ed9ng v\u1eadt m\u00e0 kh\u00f4ng c\u1ea7n b\u1eaft ho\u1eb7c th\u1eadm ch\u00ed nh\u00ecn th\u1ea5y ch\u00fang.<\/p>\n\n

L\u1eadp b\u1ea3n \u0111\u1ed3 ph\u00e2n b\u1ed1<\/h2>\n\n

S\u1eed d\u1ee5ng d\u1eef li\u1ec7u eDNA, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 l\u1eadp b\u1ea3n \u0111\u1ed3 ph\u00e2n b\u1ed1 c\u1ee7a b\u1ed1n lo\u00e0i chu\u1ed9t ch\u0169i v\u00e0ng d\u1ecdc theo b\u1edd bi\u1ec3n ph\u00eda t\u00e2y Nam Phi, bao g\u1ed3m c\u1ea3 chu\u1ed9t ch\u0169i v\u00e0ng De Winton. Th\u00f4ng tin n\u00e0y r\u1ea5t quan tr\u1ecdng cho c\u00e1c n\u1ed7 l\u1ef1c b\u1ea3o t\u1ed3n.<\/p>\n\n

M\u1ed1i quan ng\u1ea1i v\u1ec1 b\u1ea3o t\u1ed3n<\/h2>\n\n

Khai th\u00e1c kim c\u01b0\u01a1ng g\u00e2y ra m\u1ed1i \u0111e d\u1ecda \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng s\u1ed1ng c\u1ee7a chu\u1ed9t ch\u0169i v\u00e0ng De Winton. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u nh\u1ea5n m\u1ea1nh s\u1ef1 c\u1ea7n thi\u1ebft ph\u1ea3i nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng v\u00e0 ph\u00e2n b\u1ed1 c\u1ee7a lo\u00e0i \u0111ang c\u00f3 nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng n\u00e0y.<\/p>\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a b\u1ea3o t\u1ed3n<\/h2>\n\n

Nh\u1eefng ng\u01b0\u1eddi b\u1ea3o t\u1ed3n thi\u00ean nhi\u00ean nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c b\u1ea3o v\u1ec7 c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt qu\u00fd hi\u1ebfm v\u00e0 c\u00f3 nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng nh\u01b0 chu\u1ed9t ch\u0169i v\u00e0ng De Winton. H\u1ecd k\u00eau g\u1ecdi th\u00e0nh l\u1eadp c\u00e1c khu v\u1ef1c \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 v\u00e0 t\u0103ng c\u01b0\u1eddng c\u00e1c n\u1ed7 l\u1ef1c b\u1ea3o t\u1ed3n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a nh\u1eefng lo\u00e0i v\u1eadt \u0111\u1ed9c \u0111\u00e1o n\u00e0y.<\/p>\n\n

Chu\u1ed9t ch\u0169i v\u00e0ng: Nh\u1eefng kh\u1ea3 n\u0103ng th\u00edch nghi \u0111\u00e1ng kinh ng\u1ea1c<\/h2>\n\n

Chu\u1ed9t ch\u0169i v\u00e0ng l\u00e0 lo\u00e0i \u0111\u1ed9ng v\u1eadt m\u00f9, nh\u01b0ng ch\u00fang s\u1edf h\u1eefu kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u00e1ng kinh ng\u1ea1c v\u00e0 th\u00ednh gi\u00e1c nh\u1ea1y b\u00e9n gi\u00fap ch\u00fang ph\u00e1t hi\u1ec7n ra con m\u1ed3i d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t. L\u1edbp d\u1ea7u m\u00e0u c\u1ea7u v\u1ed3ng c\u1ee7a ch\u00fang b\u00f4i tr\u01a1n b\u1ed9 l\u00f4ng, gi\u00fap ch\u00fang d\u1ec5 d\u00e0ng \u0111\u00e0o b\u1edbi trong c\u00e1t.<\/p>\n\n

DNA m\u00f4i tr\u01b0\u1eddng: M\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd<\/h2>\n\n

DNA m\u00f4i tr\u01b0\u1eddng l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 nghi\u00ean c\u1ee9u c\u00e1c lo\u00e0i c\u00f3 nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng kh\u00f3 b\u1eaft ho\u1eb7c quan s\u00e1t. N\u00f3 cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 s\u1ef1 hi\u1ec7n di\u1ec7n, di chuy\u1ec3n v\u00e0 ph\u00e2n b\u1ed1 c\u1ee7a ch\u00fang.<\/p>\n\n

Vai tr\u00f2 c\u1ee7a ch\u00f3 trong b\u1ea3o t\u1ed3n<\/h2>\n\n

Nh\u1eefng ch\u00fa ch\u00f3 \u0111\u00e1nh h\u01a1i nh\u01b0 Jessie \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c n\u1ed7 l\u1ef1c b\u1ea3o t\u1ed3n. Kh\u1ee9u gi\u00e1c nh\u1ea1y b\u00e9n c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 d\u1eabn c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ebfn c\u00e1c lo\u00e0i kh\u00f3 n\u1eafm b\u1eaft v\u00e0 h\u1ed7 tr\u1ee3 ph\u00e1t hi\u1ec7n nh\u1eefng \u0111\u1ed9ng v\u1eadt c\u00f3 nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng.<\/p>\n\n

B\u1ea3o v\u1ec7 t\u01b0\u01a1ng lai c\u1ee7a chu\u1ed9t ch\u0169i v\u00e0ng<\/h2>\n\n

Vi\u1ec7c kh\u00e1m ph\u00e1 l\u1ea1i chu\u1ed9t ch\u0169i v\u00e0ng De Winton n\u00eau b\u1eadt t\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c n\u1ed7 l\u1ef1c b\u1ea3o t\u1ed3n. B\u1eb1ng c\u00e1ch thu th\u1eadp th\u00eam d\u1eef li\u1ec7u v\u1ec1 ph\u00e2n b\u1ed1 v\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u1ee7a ch\u00fang, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c b\u1ea3o t\u1ed3n c\u00f3 m\u1ee5c ti\u00eau \u0111\u1ec3 b\u1ea3o v\u1ec7 lo\u00e0i c\u00f3 nguy c\u01a1 tuy\u1ec7t ch\u1ee7ng n\u00e0y v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng \u0111\u1ed9c \u0111\u00e1o c\u1ee7a ch\u00fang.<\/p>","protected":false},"excerpt":{"rendered":"

Kh\u00e1m ph\u00e1 l\u1ea1i lo\u00e0i chu\u1ed9t ch\u0169i v\u00e0ng t\u1eebng \u0111\u01b0\u1ee3c cho l\u00e0 \u0111\u00e3 tuy\u1ec7t ch\u1ee7ng Ch\u00f3 \u0111\u00e1nh h\u01a1i d\u1eabn \u0111\u1ebfn kh\u00e1m ph\u00e1 Nh\u1edd chi\u1ebfc m\u0169i th\u00ednh c\u1ee7a m\u1ed9t ch\u00fa ch\u00f3 ch\u0103n…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[3184,2401,401,404,395,20423,20424],"class_list":["post-15317","post","type-post","status-publish","format-standard","hentry","category-zoology","tag-dna","tag-environmental-dna","tag-conservation","tag-endangered-species","tag-biodiversity","tag-golden-mole","tag-scent-detecting-dogs"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15317","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=15317"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15317\/revisions"}],"predecessor-version":[{"id":15318,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15317\/revisions\/15318"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=15317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=15317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=15317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}