{"id":26719,"date":"2021-03-04T16:10:23","date_gmt":"2021-03-04T09:10:23","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=26719"},"modified":"2022-02-09T15:42:30","modified_gmt":"2022-02-09T08:42:30","slug":"cac-nha-khoa-hoc-anh-phat-hien-bien-the-coronavirus-moi-b1525","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/cac-nha-khoa-hoc-anh-phat-hien-bien-the-coronavirus-moi-b1525\/","title":{"rendered":"C\u00e1c nh\u00e0 khoa h\u1ecdc Anh ph\u00e1t hi\u1ec7n bi\u1ebfn th\u1ec3 coronavirus m\u1edbi B1525"},"content":{"rendered":"\n

C\u00e1c chuy\u00ean gia d\u1ecbch t\u1ec5 h\u1ecdc ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c m\u1ed9t d\u00f2ng coronavirus kh\u00e1c \u1edf 10 qu\u1ed1c gia v\u1edbi nh\u1eefng \u0111\u1ed9t bi\u1ebfn \u0111\u00e1ng b\u00e1o \u0111\u1ed9ng. \u0110\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 l\u00e2y lan gia t\u0103ng nhanh, c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n h\u00e0ng lo\u1ea1t th\u1eed nghi\u1ec7m nghi\u00ean c\u1ee9u m\u1edbi.<\/strong><\/h2>\n\n\n\n

C\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i \u0110\u1ea1i h\u1ecdc Edinburgh Anh cho bi\u1ebft \u0111\u00e3 ph\u00e1t hi\u1ec7n ra phi\u00ean b\u1ea3n virus m\u1edbi, \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 B1525<\/a>, t\u00ecm th\u1ea5y khi gi\u1ea3i tr\u00ecnh t\u1ef1 b\u1ed9 gene coronavirrus \u1edf \u0110an M\u1ea1ch, M\u1ef9 v\u00e0 \u00dac. Nh\u1eefng m\u1eabu ph\u00e1t hi\u1ec7n s\u1edbm nh\u1ea5t \u0111\u00e3 xu\u1ea5t hi\u1ec7n \u1edf Nigeria v\u00e0 V\u01b0\u01a1ng qu\u1ed1c Anh<\/a> v\u00e0o th\u00e1ng 12\/2020.<\/p>\n\n\n\n

Ch\u1ee7ng virus m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n n\u00e0y c\u00f3 nh\u1eefng \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi bi\u1ebfn th\u1ec3 Kent, B117 trong b\u1ed9 gene c\u1ee7a n\u00f3. Ch\u1ee7ng virus m\u1edbi c\u00f3 nhi\u1ec1u \u0111\u1ed9t bi\u1ebfn kh\u00e1c nhau g\u00e2y quan ng\u1ea1i s\u00e2u s\u1eafc trong gi\u1edbi khoa h\u1ecdc, trong \u0111\u00f3 c\u00f3 s\u1ef1 \u0111\u1ed9t bi\u1ebfn c\u1ee7a protein spike E484K b\u00ean ngo\u00e0i virus, c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c cho ph\u00e9p virus x\u00e2m nh\u1eadp t\u1ebf b\u00e0o.<\/p>\n\n\n\n

\u0110\u1ed9t bi\u1ebfn protein spike (d\u1eb1m) n\u00e0y \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong nh\u1eefng ch\u1ee7ng \u0111\u00e3 ph\u00e1t sinh \u1edf Nam Phi v\u00e0 Brazil, c\u00e1c chuy\u00ean gia d\u1ecbch t\u1ec5 h\u1ecdc nghi ng\u1edd r\u1eb1ng, \u0111\u1ed9t bi\u1ebfn n\u00e0y s\u1ebd khi\u1ebfn virus c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c kh\u00e1ng th\u1ec3 trung h\u00f2a trong c\u01a1 th\u1ec3 con ng\u01b0\u1eddi.<\/p>\n\n\n\n

<\/td><\/tr>
C\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng, nh\u00f3m t\u1ebf b\u00e0o mi\u1ec5n d\u1ecbch (t\u1ebf b\u00e0o T) c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng l\u1ea1i Covid-19, ngay c\u1ea3 khi c\u00e1c kh\u00e1ng th\u1ec3 k\u00e9m hi\u1ec7u qu\u1ea3 v\u1edbi coronavirus.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u hi\u1ec7n \u0111ang s\u1eed d\u1ee5ng gi\u1ea3i tr\u00ecnh t\u1ef1 gene \u0111\u1ec3 ph\u00e2n lo\u1ea1i B1525, b\u1eaft \u0111\u1ea7u l\u00e2y nhi\u1ec5m lan r\u1ed9ng \u1edf Anh.<\/p>\n\n\n\n

Trong m\u1ed9t nghi\u00ean c\u1ee9u do \u0110\u1ea1i h\u1ecdc Edinburgh c\u00f4ng b\u1ed1, nh\u1eefng m\u1eabu c\u1ee7a virus \u0111\u1ed9t bi\u1ebfn m\u1edbi \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb 10 qu\u1ed1c gia, trong \u0111\u00f3 c\u00f3 \u0110an M\u1ea1ch, V\u01b0\u01a1ng qu\u1ed1c Anh v\u00e0 \u00dac, \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i tr\u00ecnh t\u1ef1 gene. K\u1ebft qu\u1ea3 cho th\u1ea5y<\/p>\n\n\n\n

B1525 v\u1ec1 m\u1eb7t sinh h\u1ecdc c\u00f3 v\u1ebb t\u01b0\u01a1ng t\u1ef1 nh\u01b0 phi\u00ean b\u1ea3n virus \u1edf Nam Phi. Th\u00f4ng tin n\u00e0y g\u00e2y l\u00ean s\u1ef1 quan ng\u1ea1i l\u1edbn trong gi\u1edbi ch\u1ee9c y t\u1ebf t\u1eeb \u0111\u1ea7u n\u0103m 2021, do \u0111\u1ed9t bi\u1ebfn protein spike E484K, hi\u1ec7n di\u1ec7n \u1edf c\u1ea3 bi\u1ebfn th\u1ec3 Nam Phi v\u00e0 Kent, c\u0169ng xu\u1ea5t hi\u1ec7n trong ch\u1ee7ng virus \u0111\u1ed9t bi\u1ebfn n\u00e0y do nh\u1eefng s\u1eeda \u0111\u1ed5i v\u1ec1 tr\u00ecnh t\u1ef1 gene cho ph\u00e9p virus th\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch d\u1ec5 d\u00e0ng h\u01a1n v\u00e0 sinh s\u1ea3n, g\u00e2y ra vi\u00eam \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p.<\/p>\n\n\n\n

V\u00ec c\u00f3 kh\u1ea3 n\u0103ng m\u1edbi n\u00e0y, ch\u1ee7ng virus \u0111\u1ed9t bi\u1ebfn \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 khoa h\u1ecdc d\u00e1n nh\u00e3n “bi\u1ebfn th\u1ec3 \u0111\u00e1ng quan t\u00e2m”, s\u1eed d\u1ee5ng cho nh\u1eefng \u0111\u1ed9t bi\u1ebfn, c\u00f9ng nh\u1eefng lo ng\u1ea1i protein spike E484K c\u00f3 th\u1ec3 cho ph\u00e9p virus v\u01b0\u1ee3t qua kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 c\u1ee7a v\u0103cxin.<\/p>\n\n\n\n

\u0110\u1ebfn nay, c\u00e1c nh\u00e0 khoa h\u1ecdc ch\u01b0a x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c, ch\u1ee7ng virus m\u1edbi s\u1ebd g\u00e2y ra nh\u1eefng \u0111e d\u1ecda c\u1ee5 th\u1ec3, do \u0111\u00f3, ch\u00fang \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n l\u00e0 “bi\u1ebfn th\u1ec3 \u0111ang xem x\u00e9t”.<\/p>\n\n\n\n

Nh\u01b0ng TS Yvonne Doyle, Gi\u00e1m \u0111\u1ed1c Y t\u1ebf C\u00f4ng c\u1ed9ng Anh (PHE) cho bi\u1ebft, c\u01a1 quan c\u1ee7a b\u00e0 ch\u01b0a c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng b\u1eb1ng ch\u1ee9ng cho th\u1ea5y m\u1ee9c \u0111\u1ed9 nguy hi\u1ec3m cao t\u1eeb phi\u00ean b\u1ea3n virus m\u1edbi.<\/p>\n\n\n\n

TS Eleanor Gaunt, Sir Henry Dale Fellow t\u1ea1i \u0110\u1ea1i h\u1ecdc Edinburgh cho r\u1eb1ng, kh\u00f4ng c\u00f3 l\u00fd do g\u00ec \u0111\u1ec3 s\u1ee3 h\u00e3i tr\u01b0\u1edbc nguy c\u01a1 m\u1edbi b\u1ea5t ch\u1ea5p nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u01b0\u1ee3c \u0111\u1eb7t ra. Nh\u1eefng k\u1ebft qu\u1ea3 c\u1ee7a gi\u1ea3i tr\u00ecnh t\u1ef1 gene virus th\u1ef1c s\u1ef1 \u1ea5n t\u01b0\u1ee3ng, cho ph\u00e9p c\u00e1c nh\u00e0 khoa h\u1ecdc nhanh ch\u00f3ng nh\u1eadn bi\u1ebft nh\u1eefng \u0111\u1ed9t bi\u1ebfn n\u00e0y.<\/p>\n\n\n\n

B\u00e0 nh\u1ea5n m\u1ea1nh r\u1eb1ng, n\u1ebfu c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 bi\u1ebft v\u1ec1 ch\u1ee7ng lo\u1ea1i virus m\u1edbi v\u00e0 xu\u1ea5t hi\u1ec7n t\u1eeb \u0111\u00e2u, ph\u01b0\u01a1ng th\u1ee9c l\u00e2y lan c\u1ee7a virus, c\u00e1c c\u01a1 quan nh\u00e0 n\u01b0\u1edbc s\u1ebd c\u00f3 nh\u1eefng gi\u1ea3i ph\u00e1p h\u1ea1n ch\u1ebf s\u1ef1 lan r\u1ed9ng. Nh\u1edd v\u00e0o s\u1ed1 l\u01b0\u1ee3ng v\u0103cxin \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t, th\u1ebf gi\u1edbi v\u1eabn c\u00f3 th\u1ec3 ch\u1ed1ng l\u1ea1i c\u00e1c ch\u1ee7ng lo\u1ea1i m\u1edbi m\u1edbi khi virus ti\u1ebfp t\u1ee5c \u0111\u1ed9t bi\u1ebft v\u00e0 ph\u00e1t tri\u1ec3n.Theo SciensceTimes<\/p>\n\n\n\n

TH\u00c1I B\u1eb0NG<\/strong><\/p>\n\n\n\n

https:\/\/khoahocdoisong.vn\/cac-nha-khoa-hoc-anh-phat-hien-bien-the-coronavirus-moi-b1525-163590.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c chuy\u00ean gia d\u1ecbch t\u1ec5 h\u1ecdc ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c m\u1ed9t d\u00f2ng coronavirus kh\u00e1c \u1edf 10 qu\u1ed1c gia v\u1edbi nh\u1eefng \u0111\u1ed9t bi\u1ebfn \u0111\u00e1ng b\u00e1o \u0111\u1ed9ng. \u0110\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 l\u00e2y lan gia t\u0103ng nhanh, c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n h\u00e0ng lo\u1ea1t th\u1eed nghi\u1ec7m nghi\u00ean c\u1ee9u m\u1edbi. C\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i \u0110\u1ea1i h\u1ecdc Edinburgh Anh cho bi\u1ebft […]<\/p>\n","protected":false},"author":23,"featured_media":26720,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-26719","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26719","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=26719"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26719\/revisions"}],"predecessor-version":[{"id":30948,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26719\/revisions\/30948"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/26720"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=26719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=26719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=26719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}