{"id":29469,"date":"2021-11-03T15:24:00","date_gmt":"2021-11-03T08:24:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=29469"},"modified":"2022-02-15T09:10:10","modified_gmt":"2022-02-15T02:10:10","slug":"vi-khuan-an-nhua-co-the-ho-tro-cac-no-luc-tai-che-toan-cau","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/vi-khuan-an-nhua-co-the-ho-tro-cac-no-luc-tai-che-toan-cau\/","title":{"rendered":"Vi khu\u1ea9n \u0103n nh\u1ef1a c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c n\u1ed7 l\u1ef1c t\u00e1i ch\u1ebf to\u00e0n c\u1ea7u"},"content":{"rendered":"\n<p>Tiasang<\/p>\n\n\n\n<p>Vi khu\u1ea9n t\u1eebng ch\u1ee9ng t\u1ecf kh\u1ea3 n\u0103ng l\u00e0m ph\u00e2n r\u00e3 v\u00e0 \u0111\u1ed3ng h\u00f3a nh\u1ef1a v\u00e0 tr\u1edf th\u00e0nh m\u1ed9t h\u01b0\u1edbng nghi\u00ean c\u1ee9u m\u1edbi k\u1ec3 t\u1eeb n\u0103m 2016. Hi\u1ec7n t\u1ea1i, m\u1ed9t nh\u00f3m nghi\u00ean c\u1ee9u \u1edf tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc Manchester \u0111\u00e3 t\u1ea1o ra m\u1ed9t \u0111\u1ed9t ph\u00e1t v\u1ec1 c\u00f4ng ngh\u1ec7 sinh h\u1ecdc c\u00f3 th\u1ec3 gi\u00fap con ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u00e1c t\u1ebf b\u00e0o vi khu\u1ea9n \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ec9nh s\u1eeda \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u00e1c th\u1ea3i nh\u1ef1a.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"http:\/\/khoahocphattrien.vn\/Images\/Uploaded\/Share\/2021\/11\/01\/Vi-khuan-an-nhua-co-the-ho-tro-cac-no-luc-tai-che-toan-cau_1.jpg\" alt=\"\"\/><\/figure><\/div>\n\n\n\n<p>Nh\u1ef1a PET \u0111\u00e3 b\u1ecb coi l\u00e0 m\u1ed9t m\u1ed1i lo do s\u1ed1 l\u01b0\u1ee3ng nh\u1ef1a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean to\u00e0n c\u1ea7u kh\u00f4ng ng\u1eebng t\u0103ng l\u00ean v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u00f3 th\u00f4ng qua vi\u1ec7c c\u00e1c lo\u1ea1i chai n\u01b0\u1edbc, t\u00fai g\u00f3i \u0111\u1ed3 sau \u0111\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf l\u00e0m \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n<p>M\u1ed9t ph\u1ea7n c\u1ee7a lo ng\u1ea1i n\u00e0y l\u00e0 v\u00f4 c\u00f9ng kh\u00f3 ph\u00e1 v\u1ee1 \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac h\u00f3a h\u1ecdc c\u1ee7a n\u00f3, v\u1ed1n \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1c monomer \u2013 c\u00e1c ph\u00e2n t\u1eed nh\u1ecf \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi nhau \u0111\u1ec3 h\u00ecnh th\u00e0nh c\u00e1c polymer. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u00e1n \u0111\u1ec1 n\u00e0y, \u0111\u00e3 c\u00f3 nhi\u1ec1u nghi\u00ean c\u1ee9u v\u1ec1 kh\u1ea3 n\u0103ng c\u1ee7a vi khu\u1ea9n trong vi\u1ec7c ph\u00e2n h\u1ee7y nh\u1ef1a PET th\u00e0nh c\u00e1c monomer th\u00e0nh ph\u1ea7n. Tuy nhi\u00ean, v\u1eabn c\u00f2n nhi\u1ec1u gi\u1edbi h\u1ea1n trong nghi\u00ean c\u1ee9u v\u1ec1 n\u0103ng l\u1ef1c c\u1ee7a c\u00e1c vi khu\u1ea9n trong vi\u1ec7c nh\u1eadn bi\u1ebft v\u00e0 h\u1ea5p th\u1ee5 nh\u1eefng monomer ph\u1ea3n h\u1ed3i \u0111\u00f3 v\u00e0o trong t\u1ebf b\u00e0o c\u1ee7a ch\u00fang.<\/p>\n\n\n\n<p>Trong nghi\u00ean c\u1ee9u m\u1edbi xu\u1ea5t b\u1ea3n tr\u00ean t\u1ea1p ch\u00ed<em>Nature Communications &#8220;<\/em>Structural basis of terephthalate recognition by solute binding protein TphC&#8221;,c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1eeb Vi\u1ec7n C\u00f4ng ngh\u1ec7 sinh h\u1ecdc Manchester \u0111\u00e3 nghi\u00ean c\u1ee9u v\u1ec1 ti\u1ec1m n\u0103ng gi nh\u1eadn m\u1ed9t protein ch\u00ednh tham gia v\u00e0o vi\u1ec7c h\u1ea5p th\u1ee5 t\u1ebf b\u00e0o c\u1ee7a monomer terephthalate (TPA), b\u1eb1ng protein li\u00ean k\u1ebft ch\u1ea5t tan TphC 1.<\/p>\n\n\n\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng nh\u1ef1a \u0111\u01b0\u1ee3c cho l\u00e0 s\u1ebd t\u0103ng g\u1ea5p ba v\u00e0o n\u0103m 2050 v\u00e0 th\u01b0\u1eddng \u0111\u1ec1u l\u00e0 nh\u1ef1a d\u00f9ng m\u1ed9t l\u1ea7n. B\u1ea5t ch\u1ea5p nh\u1eefng n\u1ed7 l\u1ef1c t\u00e1i ch\u1ebf c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 t\u1ea1i gia, v\u1eabn c\u00f2n t\u1ed3n t\u1ea1i m\u1ed9t v\u1ea5n \u0111\u1ec1 mang t\u00ednh h\u1ec7 th\u1ed1ng v\u1ec1 nh\u1ef1a d\u00f9ng m\u1ed9t l\u1ea7n, tuy nhi\u00ean kh\u00f4ng ai ph\u1ee7 nh\u1eadn \u0111\u00e2y l\u00e0 m\u1ed9t c\u01a1 h\u1ed9i th\u01b0\u01a1ng m\u1ea1i. B\u1edfi vi\u1ec7c ph\u00e1t tri\u1ec3n nh\u1ef1a c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n h\u1ee7y b\u1eb1ng vi sinh c\u00f3 th\u1ec3 l\u00e0 v\u1ea5n \u0111\u1ec1 ch\u1ee7 y\u1ebfu \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 to\u00e0n c\u1ea7u n\u00e0y.<\/p>\n\n\n\n<p>Nh\u00f3m nghi\u00ean c\u1ee9u \u1edf Manchester \u0111\u00e3 s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt sinh h\u00f3a v\u00e0 c\u1ea5u tr\u00fac \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c h\u1ee3p ch\u1ea5t, TPA \u0111\u01b0\u1ee3c ghi nh\u1eadn b\u1eb1ng TphC. Ti\u1ebfn s\u0129 Neil Dixon, t\u00e1c gi\u1ea3 \u0111\u1ea7u c\u1ee7a nghi\u00ean c\u1ee9u cho bi\u1ebft \u201cHi\u1ec3u v\u1ec1 c\u00e1ch vi khu\u1ea9n nh\u1eadn bi\u1ebft v\u00e0 ph\u00e2n h\u1ee7y xenobiotic l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng v\u1ec1 c\u1ea3 sinh th\u00e1i l\u1eabn c\u00f4ng ngh\u1ec7 sinh h\u1ecdc. N\u1ebfu hi\u1ec3u \u1edf c\u1ea5p \u0111\u1ed9 ph\u00e2n t\u1eed c\u00e1ch c\u00e1c s\u1ea3n ph\u1ea9m ph\u00e2n h\u1ee7y nh\u1ef1a \u0111\u01b0\u1ee3c x\u00e2m nh\u1eadp v\u00e0o trong c\u00e1c t\u1ebf b\u00e0o vi khu\u1ea9n c\u00f3 ngh\u0129a l\u00e0 ch\u00fang ta c\u00f3 th\u1ec3 d\u00f9ng c\u00e1c ch\u1ea5t v\u1eadn chuy\u1ec3n n\u00e0y trong c\u00e1c t\u1ebf b\u00e0o \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng x\u1eed l\u00fd sinh h\u1ecdc \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 g\u00e2y lo ng\u1ea1i cho m\u00f4i tr\u01b0\u1eddng\u201d.<\/p>\n\n\n\n<p>S\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt cho ph\u00e9p nh\u00f3m nghi\u00ean c\u1ee9u h\u00ecnh dung ra TphC \u1edf c\u1ea3 vi\u1ec7c ph\u00f9 h\u1ee3p m\u1edf v\u00e0 \u0111\u00f3ng li\u00ean k\u1ebft TPA, sau \u0111\u00f3 s\u01b0 d\u1ee5ng c\u00e1ch ti\u1ebfp c\u1eadn khai ph\u00e1 h\u1ec7 gene \u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c protein v\u1eadn chuy\u1ec3n homologous v\u00e0 c\u1ea3 c\u00e1c enzyme tham gia trong qu\u00e1 tr\u00ecnh ph\u00e1 h\u1ee7y v\u00e0 \u0111\u1ed3ng h\u00f3a TPA.<\/p>\n\n\n\n<p>C\u00e1c ph\u1ea7n khai ph\u00e1 h\u1ec7 gene \u0111\u00f3 \u0111em l\u1ea1i m\u1ed9t ngu\u1ed3n gene cho c\u00e1c n\u1ed7 l\u1ef1c k\u1ef9 thu\u1eadt c\u00f4ng ngh\u1ec7 sinh h\u1ecdc v\u00e0 chuy\u1ec3n h\u00f3a trong t\u01b0\u01a1ng lai, h\u01b0\u1edbng \u0111\u1ebfn c\u00e1c gi\u1ea3i ph\u00e1p kinh t\u1ebf sinh h\u1ecdc nh\u1ef1a tu\u1ea7n ho\u00e0n. C\u00f3 nhi\u1ec1u quan t\u00e2m v\u1ec1 ti\u1ec1m n\u0103ng s\u1eed d\u1ee5ng c\u00e1c enzyme v\u00e0 vi sinh v\u1eadt \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00e2n h\u1ee7y v\u00e0 \u0111\u1ed3ng h\u00f3a nh\u1ef1a.<\/p>\n\n\n\n<p>C\u00e1c ph\u00e1t hi\u1ec7n m\u1edbi n\u00e0y hi\u1ec7n t\u1ea1i h\u1ed7 tr\u1ee3 cho vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c t\u1ebf b\u00e0o vi khu\u1ea9n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho vi\u1ec7c t\u00e1i ch\u1ebf r\u00e1c th\u1ea3i nh\u1ef1a d\u1ef1a tr\u00ean ph\u00e2n h\u1ee7y sinh h\u1ecdc.<\/p>\n\n\n\n<p class=\"has-text-align-right\"><strong>M\u1ef9 H\u1ea1nh<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-right\"><a href=\"https:\/\/khoahocphattrien.vn\/khoa-hoc\/ket-noi-thu-vien-so-nhung-buoc-di-dau-tien\/2021102809491690p1c160.htm\">https:\/\/khoahocphattrien.vn\/khoa-hoc\/ket-noi-thu-vien-so-nhung-buoc-di-dau-tien\/2021102809491690p1c160.htm<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tiasang Vi khu\u1ea9n t\u1eebng ch\u1ee9ng t\u1ecf kh\u1ea3 n\u0103ng l\u00e0m ph\u00e2n r\u00e3 v\u00e0 \u0111\u1ed3ng h\u00f3a nh\u1ef1a v\u00e0 tr\u1edf th\u00e0nh m\u1ed9t h\u01b0\u1edbng nghi\u00ean c\u1ee9u m\u1edbi k\u1ec3 t\u1eeb n\u0103m 2016. Hi\u1ec7n t\u1ea1i, m\u1ed9t nh\u00f3m nghi\u00ean c\u1ee9u \u1edf tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc Manchester \u0111\u00e3 t\u1ea1o ra m\u1ed9t \u0111\u1ed9t ph\u00e1t v\u1ec1 c\u00f4ng ngh\u1ec7 sinh h\u1ecdc c\u00f3 th\u1ec3 gi\u00fap con ng\u01b0\u1eddi s\u1eed [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":31080,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-29469","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\/29469","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=29469"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/29469\/revisions"}],"predecessor-version":[{"id":31081,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/29469\/revisions\/31081"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/31080"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=29469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=29469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=29469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}