{"id":1231,"date":"2026-08-14T02:15:00","date_gmt":"2026-08-13T17:15:00","guid":{"rendered":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-08-14-ancient-squirrel-poop-dna-vi\/"},"modified":"2026-08-14T02:15:00","modified_gmt":"2026-08-13T17:15:00","slug":"2026-08-14-ancient-squirrel-poop-dna-vi","status":"publish","type":"briefing","link":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-08-14-ancient-squirrel-poop-dna-vi\/","title":{"rendered":"DNA c\u1ee7a voi ma m\u00fat v\u00e0 m\u00e8o l\u1edbn \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong ph\u00e2n s\u00f3c 700.000 n\u0103m tu\u1ed5i"},"content":{"rendered":"

2026-08-14 02:15 KST<\/strong><\/p>\n

DNA t\u1eeb th\u1ef1c v\u1eadt, voi ma m\u00fat, b\u00f2 r\u1eebng, ng\u1ef1a v\u00e0 m\u00e8o l\u1edbn h\u00ecnh th\u00e0nh n\u00ean h\u1ec7 sinh th\u00e1i c\u00e1ch \u0111\u00e2y t\u1edbi 700.000 n\u0103m \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong ph\u00e2n s\u00f3c \u0111\u1ea5t \u0111\u00f4ng l\u1ea1nh \u1edf Yukon, Canada.<\/p>\n

\u0110i\u1ec1u n\u00e0y kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 con s\u00f3c \u0111\u00e3 \u0103n h\u1ebft nh\u1eefng lo\u00e0i \u0111\u1ed9ng v\u1eadt l\u1edbn n\u00e0y m\u00e0 n\u00f3 l\u00e0 b\u1ea3n ghi ch\u00e9p v\u1ec1 th\u1ee9c \u0103n, \u0111\u1ea5t xung quanh v\u00e0 DNA m\u00f4i tr\u01b0\u1eddng \u0111\u00e3 \u0111i v\u00e0o hang \u0111\u01b0\u1ee3c b\u1ea3o t\u1ed3n c\u00f9ng nhau.<\/p>\n

B\u1ea1n \u0111\u00e3 ph\u00e2n t\u00edch nh\u1eefng g\u00ec?<\/h2>\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e2n t\u00edch 13 m\u1eabu ph\u00e2n t\u1eeb hang s\u00f3c \u0111\u1ea5t c\u0169 \u1edf v\u00f9ng Klondike c\u1ee7a Yukon. C\u00e1c m\u1eabu v\u1eadt c\u1ed5 nh\u1ea5t c\u00f3 li\u00ean quan \u0111\u1ebfn l\u1edbp tro n\u00fai l\u1eeda c\u00f3 ni\u00ean \u0111\u1ea1i kho\u1ea3ng 688.000 n\u0103m. H\u00e0u \u0111\u01b0\u1ee3c b\u1ecdc trong l\u1edbp b\u0103ng v\u0129nh c\u1eedu gi\u1eef cho ph\u00e2n v\u00e0 th\u1ef1c ph\u1ea9m d\u1ef1 tr\u1eef c\u1ee7a ch\u00fang \u0111\u01b0\u1ee3c \u0111\u00f4ng l\u1ea1nh trong th\u1eddi gian d\u00e0i.<\/p>\n

Sinh v\u1eadt n\u00e0o \u0111\u00e3 b\u1ecb b\u1eaft?<\/h2>\n

Danh s\u00e1ch DNA bao g\u1ed3m h\u01a1n 200 nh\u00f3m th\u1ef1c v\u1eadt, vi sinh v\u1eadt v\u00e0 c\u00f4n tr\u00f9ng. Ngo\u00e0i ra c\u00f2n c\u00f3 c\u00e1c t\u00edn hi\u1ec7u m\u00e8o l\u1edbn \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 h\u1eadu du\u1ec7 c\u1ee7a voi ma m\u00fat, ng\u1ef1a, b\u00f2 r\u1eebng th\u1ea3o nguy\u00ean v\u00e0 lo\u00e0i b\u00e1o g\u00eapa ch\u00e2u M\u1ef9 \u0111\u00e3 tuy\u1ec7t ch\u1ee7ng. M\u1eabu v\u1eadt \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t vi\u00ean nang th\u1eddi gian nh\u1ecf ch\u1ee9a c\u00e1c vi sinh v\u1eadt \u0111\u01b0\u1eddng ru\u1ed9t c\u1ee7a con s\u00f3c v\u00e0 h\u1ec7 sinh th\u00e1i xung quanh v\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u00f3.<\/p>\n

\"DNA
\u0110\u00e2y l\u00e0 h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 minh h\u1ecda m\u1ed9t ch\u1ee7 \u0111\u1ec1 v\u00e0 kh\u00f4ng ph\u1ea3i l\u00e0 \u1ea3nh ch\u1ee5p m\u1ed9t c\u1ea3nh ho\u1eb7c quan s\u00e1t th\u1ef1c t\u1ebf.<\/figcaption><\/figure>\n

T\u1ea1i sao c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u th\u00f4ng tin h\u01a1n x\u01b0\u01a1ng?<\/h2>\n

X\u01b0\u01a1ng ch\u1ee7 y\u1ebfu \u0111\u1ec3 l\u1ea1i th\u00f4ng tin di truy\u1ec1n v\u1ec1 m\u1ed9t c\u00e1 nh\u00e2n, nh\u01b0ng ph\u00e2n c\u00f3 ch\u1ee9a d\u1ea5u v\u1ebft c\u1ee7a nh\u1eefng g\u00ec \u0111\u00e3 \u0103n v\u00e0 c\u00e1c sinh v\u1eadt s\u1ed1ng kh\u00e1c tr\u1ed9n l\u1eabn v\u00e0o t\u1eeb khu v\u1ef1c xung quanh. Nghi\u00ean c\u1ee9u cho th\u1ea5y m\u1ed9t s\u1ed1 m\u1eabu v\u1eadt c\u00f3 DNA nh\u00e2n chu\u1ea9n \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n t\u1ed1t h\u01a1n x\u01b0\u01a1ng ho\u1eb7c tr\u1ea7m t\u00edch t\u1eeb c\u00f9ng khu v\u1ef1c. Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 ph\u00e2n lu\u00f4n \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n t\u1ed1t h\u01a1n.<\/p>\n

700.000 n\u0103m c\u00f3 ph\u1ea3i l\u00e0 ng\u00e0y sinh nh\u1eadt ch\u00ednh x\u00e1c?<\/h2>\n

Tu\u1ed5i c\u1ee7a c\u00e1c m\u1eabu v\u1eadt c\u1ed5 nh\u1ea5t kh\u00f4ng d\u1ef1a tr\u00ean s\u1ed1 \u0111o ch\u00ednh x\u00e1c h\u00e0ng ng\u00e0y c\u1ee7a ph\u00e2n m\u00e0 d\u1ef1a tr\u00ean tro n\u00fai l\u1eeda xung quanh v\u00e0 c\u00e1c l\u1edbp \u0111\u1ecba ch\u1ea5t. M\u1ed9t s\u1ed1 m\u1eabu kh\u00f4ng c\u00f3 ng\u00e0y tr\u1ef1c ti\u1ebfp h\u1eefu h\u1ea1n v\u00e0 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ki\u1ec3m tra ri\u00eang s\u1ef1 nhi\u1ec5m b\u1ea9n v\u00e0 kh\u1ea3 n\u0103ng di chuy\u1ec3n DNA.<\/p>\n

B\u1ea1n c\u00f3 th\u1ec3 h\u1ecdc \u0111\u01b0\u1ee3c \u0111i\u1ec1u g\u00ec m\u1edbi?<\/h2>\n

So s\u00e1nh ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng v\u00e0 th\u00e0nh ph\u1ea7n lo\u00e0i qua nhi\u1ec1u k\u1ef7 b\u0103ng h\u00e0 cho ph\u00e9p ch\u00fang ta theo d\u00f5i c\u00e1c h\u1ec7 sinh th\u00e1i \u0111\u00e3 thay \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 \u1ee9ng ph\u00f3 v\u1edbi bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u0169ng cung c\u1ea5p b\u1eb1ng ch\u1ee9ng v\u1ec1 hai qu\u1ea7n th\u1ec3 s\u00f3c \u0111\u1ea5t ch\u01b0a \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 v\u1ec1 m\u1eb7t di truy\u1ec1n nh\u01b0ng c\u1ea7n nhi\u1ec1u m\u1eabu h\u01a1n \u0111\u1ec3 x\u00e1c nh\u1eadn c\u00e1c lo\u00e0i ri\u00eang bi\u1ec7t.<\/p>\n

t\u00e0i li\u1ec7u ngu\u1ed3n ch\u00ednh th\u1ee9c<\/h2>\n

Nature Communications study<\/a><\/p>\n

Nature Portfolio research summary<\/a><\/p>\n

Yukon Beringia Interpretive Centre<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

DNA c\u1ed5 x\u01b0a c\u1ee7a h\u01a1n 200 nh\u00f3m th\u1ef1c v\u1eadt v\u00e0 voi ma m\u00fat, b\u00f2 r\u1eebng, ng\u1ef1a v\u00e0 m\u00e8o l\u1edbn \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong 13 m\u1eabu ph\u00e2n s\u00f3c \u0111\u1ea5t t\u1eeb \u200b\u200bv\u00f9ng b\u0103ng v\u0129nh c\u1eedu \u1edf Yukon, Canada.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-1231","briefing","type-briefing","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing\/1231","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing"}],"about":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/types\/briefing"}],"wp:attachment":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=1231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}