{"id":1086,"date":"2026-08-05T02:00:00","date_gmt":"2026-08-04T17:00:00","guid":{"rendered":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-08-05-blood-falls-marine-microbes-vi\/"},"modified":"2026-08-05T02:00:00","modified_gmt":"2026-08-04T17:00:00","slug":"2026-08-05-blood-falls-marine-microbes-vi","status":"publish","type":"briefing","link":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-08-05-blood-falls-marine-microbes-vi\/","title":{"rendered":"\u201cTh\u00e1c M\u00e1u\u201d \u1edf Nam C\u1ef1c c\u00f3 vi sinh v\u1eadt bi\u1ec3n, nh\u01b0ng kh\u00f4ng n\u1eb1m trong d\u00f2ng n\u01b0\u1edbc"},"content":{"rendered":"

2026-08-05 02:00 KST<\/strong><\/p>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc t\u00ecm th\u1ea5y m\u1ed9t qu\u1ea7n th\u1ec3 vi sinh v\u1eadt ph\u1ee9c t\u1ea1p c\u00f3 ngu\u1ed3n g\u1ed1c bi\u1ec3n trong b\u0103ng, b\u00f9n v\u00e0 tr\u1ea7m t\u00edch \u0111\u1ecf t\u1ea1i s\u00f4ng b\u0103ng Taylor \u1edf Nam C\u1ef1c. RNA cho th\u1ea5y m\u1ed9t ph\u1ea7n qu\u1ea7n th\u1ec3 c\u00f2n ho\u1ea1t \u0111\u1ed9ng khi m\u1eabu \u0111\u01b0\u1ee3c thu th\u1eadp.<\/p>\n

Ch\u00fang kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n tr\u1ef1c ti\u1ebfp trong t\u00fai n\u01b0\u1edbc mu\u1ed1i d\u01b0\u1edbi s\u00f4ng b\u0103ng. Nghi\u00ean c\u1ee9u c\u0169ng kh\u00f4ng ch\u1ee9ng minh r\u1eb1ng c\u00e1c sinh v\u1eadt n\u00e0y \u0111\u00e3 s\u1ed1ng \u1edf \u0111\u00f3 su\u1ed1t 2,5 tri\u1ec7u n\u0103m.<\/p>\n

V\u00ec sao th\u00e1c c\u00f3 m\u00e0u nh\u01b0 m\u00e1u?<\/h2>\n

Blood Falls l\u00e0 n\u01a1i n\u01b0\u1edbc m\u1eb7n th\u1ec9nh tho\u1ea3ng ch\u1ea3y ra t\u1eeb cu\u1ed1i s\u00f4ng b\u0103ng Taylor. S\u1eaft trong n\u01b0\u1edbc b\u1ecb g\u1ec9 khi g\u1eb7p kh\u00f4ng kh\u00ed v\u00e0 nhu\u1ed9m \u0111\u1ecf tuy\u1ebft, \u0111\u00e1. M\u00e0u n\u00e0y kh\u00f4ng ph\u1ea3i do m\u00e1u hay sinh v\u1eadt m\u00e0u \u0111\u1ecf.<\/p>\n

N\u01b0\u1edbc bi\u1ec3n c\u00f3 th\u1ec3 \u0111\u00e3 b\u1ecb gi\u1eef l\u1ea1i khi s\u00f4ng b\u0103ng ti\u1ebfn l\u00ean, t\u1ea1o th\u00e0nh t\u00fai n\u01b0\u1edbc mu\u1ed1i ng\u00e0y nay. Nghi\u00ean c\u1ee9u tr\u01b0\u1edbc t\u00ecm th\u1ea5y vi khu\u1ea9n trong n\u01b0\u1edbc \u0111\u00f3, nh\u01b0ng ch\u01b0a th\u1ea5y vi sinh v\u1eadt ph\u1ee9c t\u1ea1p c\u00f3 nh\u00e2n t\u1ebf b\u00e0o.<\/p>\n

H\u1ecd t\u00ecm th\u1ea5y g\u00ec v\u00e0 \u1edf \u0111\u00e2u?<\/h2>\n

Nh\u00f3m nghi\u00ean c\u1ee9u thu 167 m\u1eabu n\u01b0\u1edbc, b\u0103ng, b\u00f9n, tr\u1ea7m t\u00edch v\u00e0 v\u1eadt li\u1ec7u do gi\u00f3 mang t\u1edbi. M\u1eabu \u0111\u1ebfn t\u1eeb Blood Falls, c\u00e1c Thung l\u0169ng Kh\u00f4 McMurdo v\u00e0 v\u00f9ng bi\u1ec3n g\u1ea7n \u0111\u00f3. Qu\u1ea7n th\u1ec3 bi\u1ec3n n\u1ed5i b\u1eadt trong v\u1eadt li\u1ec7u \u0111\u1ecf \u1edf cu\u1ed1i s\u00f4ng b\u0103ng.<\/p>\n

Qu\u1ea7n th\u1ec3 g\u1ed3m nhi\u1ec1u vi sinh v\u1eadt nh\u00e2n th\u1ef1c nh\u01b0 t\u1ea3o c\u00e1t, t\u1ea3o gi\u00e1p v\u00e0 tr\u00f9ng l\u00f4ng. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 nh\u00f3m kh\u00f4ng ph\u00e1t hi\u1ec7n sinh v\u1eadt nh\u00e2n th\u1ef1c trong ch\u00ednh n\u01b0\u1edbc mu\u1ed1i d\u01b0\u1edbi s\u00f4ng b\u0103ng.<\/p>\n

\"V\u1ec7t
\u0110\u1ea7u cu\u1ed1i s\u00f4ng b\u0103ng Taylor v\u00e0 c\u00e1c \u0111i\u1ec3m l\u1ea5y m\u1eabu m\u00e0u \u0111\u1ecf. C\u1eaft t\u1eeb H\u00ecnh 1 c\u1ee7a Zoumplis v\u00e0 c\u1ed9ng s\u1ef1, Nature Geoscience (2026), CC BY 4.0; ch\u1ec9 c\u1eaft theo t\u1ef7 l\u1ec7 16:9.<\/figcaption><\/figure>\n

Ch\u00fang c\u00f3 th\u1ef1c s\u1ef1 c\u00f2n s\u1ed1ng?<\/h2>\n

DNA c\u00f3 th\u1ec3 c\u00f2n l\u1ea1i sau khi sinh v\u1eadt ch\u1ebft. Nh\u00f3m c\u0169ng ph\u00e2n t\u00edch RNA, ch\u1ea5t ph\u00e2n h\u1ee7y nhanh h\u01a1n. K\u1ebft qu\u1ea3 cho th\u1ea5y c\u00e1c vi sinh v\u1eadt d\u00f9ng \u00e1nh s\u00e1ng c\u00f2n ho\u1ea1t \u0111\u1ed9ng l\u00fac l\u1ea5y m\u1eabu.<\/p>\n

C\u00e1c ch\u1ee9c n\u0103ng ch\u1ecbu \u00e1p l\u1ef1c m\u1eb7n v\u00e0 s\u1eeda ch\u1eefa t\u1ebf b\u00e0o c\u0169ng ho\u1ea1t \u0111\u1ed9ng. \u0110\u00e2y l\u00e0 \u1ea3nh ch\u1ee5p c\u1ee7a cu\u1ed1i m\u00f9a h\u00e8 Nam C\u1ef1c, kh\u00f4ng ph\u1ea3i b\u1eb1ng ch\u1ee9ng m\u1ed9t c\u00e1 th\u1ec3 s\u1ed1ng h\u00e0ng tri\u1ec7u n\u0103m.<\/p>\n

B\u1eb1ng ch\u1ee9ng n\u00e0o n\u1ed1i ch\u00fang v\u1edbi bi\u1ec3n?<\/h2>\n

Qu\u1ea7n th\u1ec3 Blood Falls chia s\u1ebb nhi\u1ec1u ki\u1ec3u gene v\u1edbi m\u1eabu bi\u1ec3n h\u01a1n h\u1eb3n c\u00e1c v\u00f9ng n\u01b0\u1edbc n\u1ed9i \u0111\u1ecba kh\u00e1c. T\u1ef7 l\u1ec7 tr\u00f9ng l\u00e0 9,34% \u1edf cu\u1ed1i s\u00f4ng b\u0103ng v\u00e0 1,15% \u1edf c\u00e1c c\u1ed9ng \u0111\u1ed3ng n\u01b0\u1edbc kh\u00e1c trong Thung l\u0169ng Kh\u00f4.<\/p>\n

Ri\u00eang t\u1ea3o c\u00e1t, t\u1ef7 l\u1ec7 l\u00e0 20,4% so v\u1edbi 1,5%. C\u00e1c nh\u00e1nh h\u1ecd h\u00e0ng \u1edf s\u00f4ng b\u0103ng v\u00e0 bi\u1ec3n c\u0169ng c\u00f3 d\u1ea5u hi\u1ec7u t\u00e1ch bi\u1ec7t di truy\u1ec1n, ph\u00f9 h\u1ee3p v\u1edbi th\u1eddi gian c\u00f4 l\u1eadp d\u00e0i.<\/p>\n

M\u1eabu gi\u00f3 hi\u1ec7n \u0111\u1ea1i g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u bi\u1ec3n. V\u00ec v\u1eady, ch\u1ec9 ri\u00eang gi\u00f3 ng\u00e0y nay kh\u00f3 gi\u1ea3i th\u00edch to\u00e0n b\u1ed9 qu\u1ea7n th\u1ec3.<\/p>\n

Ch\u00fang l\u00e0 h\u1eadu du\u1ec7 c\u1ee7a s\u1ef1 s\u1ed1ng 2,5 tri\u1ec7u n\u0103m tr\u01b0\u1edbc?<\/h2>\n

C\u00f3 th\u1ec3, nh\u01b0ng nghi\u00ean c\u1ee9u ch\u01b0a k\u1ebft lu\u1eadn \u0111\u01b0\u1ee3c. D\u1eef li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi s\u1ef1 t\u1ed3n t\u1ea1i l\u00e2u d\u00e0i sau m\u1ed9t l\u1ea7n bi\u1ec3n tr\u00e0n v\u00e0o c\u1ed5 x\u01b0a, song gi\u00f3 th\u1eddi c\u1ed5 v\u00e0 l\u01b0\u1ee3ng x\u00e2m nh\u1eadp hi\u1ec7n \u0111\u1ea1i r\u1ea5t nh\u1ecf v\u1eabn l\u00e0 kh\u1ea3 n\u0103ng.<\/p>\n

\u0110o\u1ea1n gene ng\u1eafn \u0111\u01b0\u1ee3c d\u00f9ng c\u0169ng ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 c\u00f4ng b\u1ed1 lo\u00e0i m\u1edbi hay lo\u00e0i ch\u1ec9 c\u00f3 \u1edf \u0111\u00e2y. C\u1ea7n \u0111\u1ecdc b\u1ed9 gene d\u00e0i h\u01a1n v\u00e0 nu\u00f4i c\u1ea5y t\u1ebf b\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m t\u00e1ch nh\u00e1nh.<\/p>\n

\u0110i\u1ec1u r\u00f5 r\u00e0ng l\u00e0 vi sinh v\u1eadt ph\u1ee9c t\u1ea1p c\u00f3 ngu\u1ed3n g\u1ed1c bi\u1ec3n \u0111ang ho\u1ea1t \u0111\u1ed9ng t\u1ea1i m\u1ed9t trong nh\u1eefng n\u01a1i kh\u00f4 nh\u1ea5t Nam C\u1ef1c. \u0110\u00e2y l\u00e0 manh m\u1ed1i m\u1edbi v\u1ec1 c\u00e1ch s\u1ef1 s\u1ed1ng ch\u1ecbu \u0111\u01b0\u1ee3c thay \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n

Ngu\u1ed3n s\u01a1 c\u1ea5p ch\u00ednh th\u1ee9c<\/h2>\n

Ngu\u1ed3n s\u01a1 c\u1ea5p: Nature Geoscience original research article<\/a><\/p>\n

Ngu\u1ed3n s\u01a1 c\u1ea5p: Yale University official research release<\/a><\/p>\n

Ngu\u1ed3n s\u01a1 c\u1ea5p: NCBI BioProject raw sequence record PRJNA1268596<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Vi sinh v\u1eadt ph\u1ee9c t\u1ea1p c\u00f3 ngu\u1ed3n g\u1ed1c bi\u1ec3n v\u00e0 c\u00f2n ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong b\u0103ng, b\u00f9n v\u00e0 tr\u1ea7m t\u00edch \u0111\u1ecf. Ch\u00fang kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n tr\u1ef1c ti\u1ebfp trong n\u01b0\u1edbc mu\u1ed1i d\u01b0\u1edbi s\u00f4ng b\u0103ng.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-1086","briefing","type-briefing","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing\/1086","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=1086"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}