{"id":46355,"date":"2018-07-14T11:05:00","date_gmt":"2018-07-14T11:05:00","guid":{"rendered":"http:\/\/baovietduc.de\/?p=46355"},"modified":"2018-07-14T11:05:00","modified_gmt":"2018-07-14T11:05:00","slug":"ho-mau-hong-la-lung-giua-vung-dao-nuoc-uc-dieu-gi-tao-nen-mau-sac-thu-vi-nay","status":"publish","type":"post","link":"https:\/\/baovietduc.de\/2018\/07\/ho-mau-hong-la-lung-giua-vung-dao-nuoc-uc-dieu-gi-tao-nen-mau-sac-thu-vi-nay\/","title":{"rendered":"H\u1ed3 m\u00e0u h\u1ed3ng l\u1ea1 l\u00f9ng gi\u1eefa v\u00f9ng \u0111\u1ea3o n\u01b0\u1edbc \u00dac: \u0110i\u1ec1u g\u00ec t\u1ea1o n\u00ean m\u00e0u s\u1eafc th\u00fa v\u1ecb n\u00e0y?"},"content":{"rendered":"

BVD – Trong h\u00ecnh dung c\u1ee7a m\u1ed7i ng\u01b0\u1eddi, ch\u00fang ta lu\u00f4n m\u1eb7c \u0111\u1ecbnh h\u1ed3 n\u01b0\u1edbc th\u00ec ph\u1ea3i c\u00f3 m\u00e0u xanh. Nh\u01b0ng thi\u00ean nhi\u00ean k\u00ec th\u00fa v\u00e0 nhi\u1ec1u b\u1ea5t ng\u1edd h\u01a1n ta ngh\u0129. T\u1ea1i \u00dac, m\u1ed9t chi\u1ebfc h\u1ed3 m\u00e0u h\u1ed3ng nh\u01b0 s\u1eefa d\u00e2u \u0111\u00e3 v\u00e0 \u0111ang thu h\u00fat s\u1ef1 ch\u00fa \u00fd c\u1ee7a r\u1ea5t nhi\u1ec1u nh\u00e0 khoa h\u1ecdc.<\/strong><\/p>\n

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S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a h\u1ed3 n\u01b0\u1edbc k\u00ec l\u1ea1
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N\u01b0\u1edbc \u00dac v\u1ed1n n\u1ed5i ti\u1ebfng v\u1edbi nhi\u1ec1u sinh v\u1eadt k\u00ec l\u1ea1 v\u00e0 mang m\u00e0u s\u1eafc kh\u00e1c th\u01b0\u1eddng. Kh\u00f4ng ch\u1ec9 th\u1ebf, ng\u01b0\u1eddi ta c\u00f2n s\u1eedng s\u1ed1t v\u1edbi nh\u1eefng h\u1ed3 n\u01b0\u1edbc c\u00f3 m\u00e0u h\u1ed3ng nh\u01b0 s\u1eefa d\u00e2u \u1edf qu\u1ed1c gia n\u00e0y. Su\u1ed1t nhi\u1ec1u n\u0103m, m\u00e0u s\u1eafc \u0111\u1eb7c bi\u1ec7t c\u1ee7a c\u00e1c h\u1ed3 n\u01b0\u1edbc lu\u00f4n l\u00e0 \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u \u0111\u1ea7y th\u00e1ch th\u1ee9c cho c\u00e1c nh\u00e0 khoa h\u1ecdc.<\/p>\n

H\u1ed3 Hillier, m\u1ed9t trong nh\u1eefng chi\u1ebfc h\u1ed3 m\u00e0u h\u1ed3ng n\u1ed5i ti\u1ebfng nh\u1ea5t n\u1eb1m tr\u00ean \u0111\u1ea3o Middle ngo\u00e0i kh\u01a1i b\u1edd bi\u1ec3n ph\u00eda nam c\u1ee7a T\u00e2y \u00dac. N\u01b0\u1edbc h\u1ed3 c\u00f3 m\u00e0u h\u1ed3ng t\u1ef1 nhi\u00ean, v\u00e0 kh\u00f4ng thay \u0111\u1ed5i m\u00e0u s\u1eafc ngay c\u1ea3 khi b\u1ecb l\u1ea5y ra kh\u1ecfi h\u1ed3.<\/p>\n

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\"H\u1ed3<\/a><\/div>\n
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Kh\u00f3 c\u00f3 th\u1ec3 tin r\u1eb1ng chi\u1ebfc h\u1ed3 m\u00e0u h\u1ed3ng s\u1eefa n\u00e0y l\u00e0 t\u00e1c ph\u1ea9m c\u1ee7a t\u1ef1 nhi\u00ean.<\/p>\n<\/div>\n<\/div>\n

H\u1ed3 Hillier d\u00e0i 600 m\u00e9t v\u00e0 r\u1ed9ng 250 m\u00e9t, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u00e0 15 ha. Chi\u1ebfc h\u1ed3 n\u1eb1m g\u1ea7n bi\u1ec3n, bao quanh l\u00e0 r\u1eebng c\u00e2y ng\u00fat ng\u00e0n. H\u1ed3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n n\u0103m 1802 b\u1edfi thuy\u1ec1n tr\u01b0\u1edfng Flinders trong m\u1ed9t chuy\u1ebfn th\u00e1m hi\u1ec3m. M\u1ed9t s\u1ed1 th\u00f4ng tin cho r\u1eb1ng t\u00ean h\u1ed3 \u0111\u01b0\u1ee3c \u0111\u1eb7t theo t\u00ean c\u1ee7a William Hillier, m\u1ed9t th\u1ee7 th\u1ee7y \u0111o\u00e0n \u0111\u00e3 ch\u1ebft v\u00e0o ng\u00e0y 20 th\u00e1ng 5 n\u0103m 1803 v\u00ec b\u1ec7nh ki\u1ebft l\u1ecb tr\u01b0\u1edbc khi kh\u1edfi h\u00e0nh t\u1eeb \u0111\u1ea3o Middle. H\u1ed3 t\u1eebng l\u00e0 n\u01a1i khai th\u00e1c mu\u1ed1i, nh\u01b0ng hi\u1ec7n t\u1ea1i \u0111\u00e3 b\u1ecb c\u1ea5m.<\/p>\n

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\"H\u1ed3<\/a><\/div>\n
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To\u00e0n c\u1ea3nh h\u1ed3 Hillier t\u1eeb tr\u00ean cao.<\/p>\n<\/div>\n<\/div>\n

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\"H\u1ed3<\/a><\/div>\n
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\u0110\u00e2y t\u1eebng l\u00e0 n\u01a1i kh\u00e1c th\u00e1c mu\u1ed1i nh\u01b0ng \u0111\u00e3 b\u1ecb c\u1ea5m.<\/p>\n<\/div>\n<\/div>\n

Nguy\u00ean nh\u00e2n c\u1ee7a m\u00e0u h\u1ed3ng s\u1eefa d\u00e2u<\/b><\/p>\n

N\u0103m 2015, m\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1eeb D\u1ef1 \u00e1n vi sinh v\u1eadt eXtreme (XMP) \u0111\u00e3 quy\u1ebft \u0111\u1ecbnh ti\u1ebfn h\u00e0nh m\u1ed9t cu\u1ed9c \u0111i\u1ec1u tra ngu\u1ed3n g\u1ed1c c\u1ee7a s\u1eafc h\u1ed3ng l\u1ea1 l\u00f9ng n\u00e0y. Tr\u01b0\u1edbc \u0111\u00e2y, ng\u01b0\u1eddi ta thi\u00ean v\u1ec1 suy \u0111o\u00e1n m\u00e0u h\u1ed3ng b\u1eaft ngu\u1ed3n t\u1eeb h\u00e0m l\u01b0\u1ee3ng mu\u1ed1i cao ho\u1eb7c vi t\u1ea3o c\u1ee7a h\u1ed3. Trong khi \u0111\u00f3, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u XMP l\u1ea1i nghi ng\u1edd r\u1eb1ng nguy\u00ean nh\u00e2n th\u1ef1c s\u1ef1 n\u1eb1m \u1edf vi khu\u1ea9n extremophiles \u2013 m\u1ed9t lo\u1ea1i vi khu\u1ea9n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc m\u1eb7n kh\u1eafc nghi\u1ec7t c\u1ee7a h\u1ed3 Hillier. H\u1ecd thu th\u1eadp m\u1eabu n\u01b0\u1edbc v\u00e0 ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch DNA.<\/p>\n

Cu\u1ed1i c\u00f9ng, h\u1ecd t\u00ecm ra trong m\u1eabu n\u01b0\u1edbc 10 lo\u1ea1i vi khu\u1ea9n \u01b0a m\u1eb7n v\u00e0 m\u1ed9t s\u1ed1 t\u1ea3o Dunaliella – t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 m\u00e0u h\u1ed3ng ho\u1eb7c \u0111\u1ecf. Nh\u01b0ng \u0111\u00f3 ch\u01b0a ph\u1ea3i l\u00e0 t\u1ea5t c\u1ea3. H\u1ecd c\u00f2n ph\u00e1t hi\u1ec7n ra m\u1ed9t lo\u1ea1i vi khu\u1ea9n kh\u00e1c t\u00ean l\u00e0 Salinibacter ruber, chi\u1ebfm 33% DNA thu th\u1eadp \u0111\u01b0\u1ee3c. Nh\u00f3m nghi\u00ean c\u1ee9u cho r\u1eb1ng lo\u1ea1i vi khu\u1ea9n n\u00e0y m\u1edbi l\u00e0 y\u1ebfu t\u1ed1 ch\u00ednh t\u1ea1o n\u00ean s\u1eafc h\u1ed3ng tuy\u1ec7t \u0111\u1eb9p cho h\u1ed3, ch\u1ee9 kh\u00f4ng ph\u1ea3i vi t\u1ea3o.<\/p>\n

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\"H\u1ed3<\/a><\/div>\n
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Th\u00ec ra m\u00e0u s\u1eafc ng\u1ecdt ng\u00e0o n\u00e0y l\u1ea1i \u0111\u1ebfn t\u1eeb m\u1ed9t lo\u1ea1i vi khu\u1ea9n.<\/p>\n<\/div>\n<\/div>\n

V\u00ec sao h\u1ed3 \u0111\u1eb9p nh\u01b0ng v\u1eafng v\u1ebb?<\/b><\/p>\n

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M\u1eb7c d\u00f9 vi khu\u1ea9n l\u00e0 “t\u00e1c gi\u1ea3” t\u1ea1o n\u00ean m\u00e0u s\u1eafc th\u00fa v\u1ecb n\u00e0y, h\u1ed3 Hillier v\u1eabn r\u1ea5t an to\u00e0n \u0111\u1ec3 b\u01a1i. Th\u1ef1c t\u1ebf, h\u00e0m l\u01b0\u1ee3ng mu\u1ed1i cao c\u1ee7a h\u1ed3 c\u00f2n gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng n\u1ed5i l\u00ean tr\u00ean. B\u01a1i l\u1ed9i tung t\u0103ng trong m\u1ed9t chi\u1ebfc h\u1ed3 m\u00e0u h\u1ed3ng nh\u01b0 k\u1eb9o b\u00f4ng, nghe th\u1eadt tuy\u1ec7t \u0111\u00fang kh\u00f4ng? V\u1eady t\u1ea1i sao ta l\u1ea1i kh\u00f4ng th\u1ea5y chi\u1ebfc h\u1ed3 n\u00e0y xu\u1ea5t hi\u1ec7n trong danh s\u00e1ch c\u00e1c \u0111i\u1ec3m du l\u1ecbch h\u1ea5p d\u1eabn nh\u1ec9?<\/p>\n

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\"H\u1ed3<\/a><\/div>\n
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H\u1ed3 Hillier l\u00e0 \u0111i\u1ec3m \u0111\u1ebfn c\u1ee7a nh\u1eefng ng\u01b0\u1eddi ham kh\u00e1m ph\u00e1.<\/p>\n<\/div>\n<\/div>\n

Th\u1eadt ra v\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf ch\u1ed7, \u0111\u1ec3 \u0111i \u0111\u01b0\u1ee3c \u0111\u1ebfn h\u1ed3 Hillier l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh kh\u00e1 kh\u00f3 kh\u0103n. H\u1ed3 n\u1eb1m tr\u00ean m\u1ed9t h\u00f2n \u0111\u1ea3o nh\u1ecf m\u00e0 ng\u01b0\u1eddi ta ch\u1ec9 c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn b\u1eb1ng thuy\u1ec1n ho\u1eb7c m\u00e1y bay tr\u1ef1c th\u0103ng. Nh\u01b0ng khi \u0111\u00e3 b\u1ecf c\u00f4ng s\u1ee9c v\u01b0\u1ee3t \u0111\u01b0\u1eddng d\u00e0i \u0111\u1ebfn n\u01a1i, th\u00ec m\u1ed9t k\u00ec quan \u0111\u00e1ng gi\u00e1 \u0111ang ch\u1edd \u0111\u1ee3i b\u1ea1n.<\/p>\n

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\"H\u1ed3<\/a><\/div>\n
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M\u1ed9t khung c\u1ea3nh th\u1eadt \u0111\u1eb9p v\u00e0 ng\u1ecdt ng\u00e0o.<\/p>\n<\/div>\n<\/div>\n

Ngu\u1ed3n: T\u1ed5ng h\u1ee3p<\/i><\/p>\n

 <\/p>\n

(kenh14)<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

BVD – Trong h\u00ecnh dung c\u1ee7a m\u1ed7i ng\u01b0\u1eddi, ch\u00fang ta lu\u00f4n m\u1eb7c \u0111\u1ecbnh h\u1ed3 n\u01b0\u1edbc th\u00ec ph\u1ea3i c\u00f3 m\u00e0u xanh. Nh\u01b0ng thi\u00ean nhi\u00ean k\u00ec th\u00fa v\u00e0 nhi\u1ec1u b\u1ea5t ng\u1edd h\u01a1n ta ngh\u0129. T\u1ea1i \u00dac, m\u1ed9t chi\u1ebfc h\u1ed3 m\u00e0u h\u1ed3ng nh\u01b0 s\u1eefa d\u00e2u \u0111\u00e3 v\u00e0 \u0111ang thu h\u00fat s\u1ef1 ch\u00fa \u00fd c\u1ee7a r\u1ea5t nhi\u1ec1u nh\u00e0 khoa […]<\/p>\n","protected":false},"author":2,"featured_media":46356,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[124,112,136,122,120],"tags":[7381],"_links":{"self":[{"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/posts\/46355"}],"collection":[{"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/comments?post=46355"}],"version-history":[{"count":1,"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/posts\/46355\/revisions"}],"predecessor-version":[{"id":46357,"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/posts\/46355\/revisions\/46357"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/media\/46356"}],"wp:attachment":[{"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/media?parent=46355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/categories?post=46355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/tags?post=46355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}