{"id":28270,"date":"2019-03-29T15:43:00","date_gmt":"2019-03-29T08:43:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28270"},"modified":"2021-10-02T21:44:59","modified_gmt":"2021-10-02T14:44:59","slug":"lan-dau-tien-thu-duoc-dien-tu-vi-khuan","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/lan-dau-tien-thu-duoc-dien-tu-vi-khuan\/","title":{"rendered":"L\u1ea7n \u0111\u1ea7u ti\u00ean thu \u0111\u01b0\u1ee3c \u0111i\u1ec7n t\u1eeb vi khu\u1ea9n"},"content":{"rendered":"\n<p class=\"has-text-align-left\">Theo Phys.org, trong qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t, vi khu\u1ea9n s\u1ea3n sinh ra \u0111i\u1ec7n, m\u1ed9t \u0111i\u1ec1u m\u00e0 t\u1eeb l\u00e2u \u0111\u00e3 thu h\u00fat s\u1ef1 ch\u00fa \u00fd c\u1ee7a c\u00e1c chuy\u00ean gia. Nh\u01b0ng cho \u0111\u1ebfn nay, kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o hi\u1ec7u qu\u1ea3 \u0111\u1ec3 chuy\u1ec3n d\u00f2ng \u0111i\u1ec7n t\u1eeb vi khu\u1ea9n t\u1edbi \u0111i\u1ec7n c\u1ef1c, nh\u01b0ng m\u1edbi \u0111\u00e2y c\u00e1c chuy\u00ean gia Th\u1ee5y \u0110i\u1ec3n \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ti\u1ebfn b\u1ed9 quan tr\u1ecdng.<\/p>\n\n\n\n<p class=\"has-text-align-center\"><img decoding=\"async\" width=\"600\" alt=\"Vi khu\u1ea9n c\u00f3 th\u1ec3 bi\u1ebfn ch\u1ea5t th\u1ea3i \u0111\u1ed9c h\u1ea1i th\u00e0nh c\u00e1c ch\u1ea5t \u00edt nguy hi\u1ec3m h\u01a1n v\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n trong qu\u00e1 tr\u00ecnh n\u00e0y - \u1ea2nh: CCO Public Domain\" src=\"http:\/\/khoahocphattrien.vn\/Images\/Uploaded\/Share\/2019\/03\/29\/dmlraHVhbmRpZW4.jpg\"><\/p>\n\n\n\n<p class=\"has-text-align-center\"><em>Vi khu\u1ea9n c\u00f3 th\u1ec3 bi\u1ebfn ch\u1ea5t th\u1ea3i \u0111\u1ed9c h\u1ea1i th\u00e0nh c\u00e1c ch\u1ea5t \u00edt nguy hi\u1ec3m h\u01a1n v\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n trong qu\u00e1 tr\u00ecnh n\u00e0y &#8211; \u1ea2nh: CCO Public Domain<\/em><\/p>\n\n\n\n<p>Vi\u1ec7c chuy\u1ec3n \u0111i\u1ec7n t\u1eed ngo\u1ea1i b\u00e0o (extracellular electron) &#8211; d\u00f2ng \u0111i\u1ec7n m\u00e0 vi khu\u1ea9n t\u1ea1o ra b\u00ean ngo\u00e0i t\u1ebf b\u00e0o c\u1ee7a ch\u00ednh n\u00f3 l\u00e0 vi\u1ec7c l\u00e0m r\u1ea5t kh\u00f3 kh\u0103n l\u00e0 v\u00ec c\u1ea7n t\u1ea1o ra m\u1ed9t ph\u00e2n t\u1eed th\u00e2m nh\u1eadp xuy\u00ean qua th\u00e0nh d\u00e0y c\u1ee7a t\u1ebf b\u00e0o.<\/p>\n\n\n\n<p>Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t ph\u00e2n t\u1eed nh\u00e2n t\u1ea1o &#8211; m\u1ed9t lo\u1ea1i polymer oxi h\u00f3a kh\u1eed. Lo\u00e0i vi khu\u1ea9n Enterococcus faecalis c\u00f3 c\u1ea3 \u1edf \u0111\u1ed9ng v\u1eadt v\u00e0 ng\u01b0\u1eddi, \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0 ngu\u1ed3n \u0111i\u1ec7n. C\u00e1c nh\u00e0 khoa h\u1ecdc \u1edf \u0110\u1ea1i h\u1ecdc Lund, Th\u1ee5y \u0110i\u1ec3n, \u0111\u00e3 t\u00ecm ra c\u00e1ch chuy\u1ec3n c\u00e1c electron t\u1eeb vi khu\u1ea9n v\u00e0o \u0111i\u1ec7n c\u1ef1c v\u00e0 thu \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n t\u1eeb ch\u00fang \u1edf ch\u1ebf \u0111\u1ed9 th\u1eddi gian th\u1ef1c.<\/p>\n\n\n\n<p>Gi\u00e1o s\u01b0 Lo Gorton, m\u1ed9t trong nh\u1eefng th\u00e0nh vi\u00ean c\u1ee7a nh\u00f3m nghi\u00ean c\u1ee9u cho bi\u1ebft, \u0111\u00e2y l\u00e0 m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 trong s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 s\u1ef1 chuy\u1ec3n \u0111i\u1ec7n t\u1eed ngo\u1ea1i b\u00e0o \u1edf vi khu\u1ea9n.<\/p>\n\n\n\n<p>K\u1ebft qu\u1ea3 c\u1ee7a nghi\u00ean c\u1ee9u n\u00e0y c\u00f3 gi\u00e1 tr\u1ecb kh\u00f4ng ch\u1ec9 v\u00ec ti\u1ec1m n\u0103ng trong l\u0129nh v\u1ef1c n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch, m\u00e0 c\u00f2n v\u00ec gi\u00e1 tr\u1ecb khoa h\u1ecdc. N\u00f3 gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc hi\u1ec3u c\u00e1ch vi khu\u1ea9n giao ti\u1ebfp v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u1ee7a ch\u00fang &#8211; v\u1edbi c\u00e1c vi khu\u1ea9n v\u00e0 ph\u00e2n t\u1eed kh\u00e1c.<\/p>\n\n\n\n<p>Vi khu\u1ea9n v\u00e0 c\u00e1c vi sinh v\u1eadt kh\u00e1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t nhi\u00ean li\u1ec7u sinh h\u1ecdc, trong c\u00e1i g\u1ecdi l\u00e0 pin nhi\u00ean li\u1ec7u vi sinh v\u1eadt. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u quan t\u00e2m \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c vi khu\u1ea9n li\u00ean quan \u0111\u1ebfn quang h\u1ee3p. N\u1ebfu k\u1ebft n\u1ed1i ch\u00fang v\u1edbi \u0111i\u1ec7n c\u1ef1c v\u00e0 chi\u1ebfu s\u00e1ng, ch\u00fang c\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n. Gi\u00e1o s\u01b0 Lo Gorton cho bi\u1ebft, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ee9ng minh \u0111i\u1ec1u n\u00e0y trong m\u1ed9t nghi\u00ean c\u1ee9u tr\u01b0\u1edbc \u0111\u00e2y.<\/p>\n\n\n\n<p>Trong c\u00e1c su\u1ed1i n\u01b0\u1edbc n\u00f3ng c\u1ee7a C\u00f4ng vi\u00ean Yellowstone, M\u1ef9, ng\u01b0\u1eddi ta \u0111\u00e3 t\u00ecm th\u1ea5y c\u00e1c lo\u00e0i vi khu\u1ea9n c\u00f3 kh\u1ea3 n\u0103ng l\u00e0 ngu\u1ed3n \u0111i\u1ec7n cho c\u00e1c thi\u1ebft b\u1ecb c\u1ea7n \u00edt n\u0103ng l\u01b0\u1ee3ng. Vi khu\u1ea9n c\u00f3 th\u1ec3 bi\u1ebfn ch\u1ea5t th\u1ea3i \u0111\u1ed9c h\u1ea1i th\u00e0nh c\u00e1c ch\u1ea5t \u00edt nguy hi\u1ec3m h\u01a1n v\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n trong qu\u00e1 tr\u00ecnh n\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Theo Phys.org, trong qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t, vi khu\u1ea9n s\u1ea3n sinh ra \u0111i\u1ec7n, m\u1ed9t \u0111i\u1ec1u m\u00e0 t\u1eeb l\u00e2u \u0111\u00e3 thu h\u00fat s\u1ef1 ch\u00fa \u00fd c\u1ee7a c\u00e1c chuy\u00ean gia. Nh\u01b0ng cho \u0111\u1ebfn nay, kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o hi\u1ec7u qu\u1ea3 \u0111\u1ec3 chuy\u1ec3n d\u00f2ng \u0111i\u1ec7n t\u1eeb vi khu\u1ea9n t\u1edbi \u0111i\u1ec7n c\u1ef1c, nh\u01b0ng m\u1edbi \u0111\u00e2y c\u00e1c chuy\u00ean gia [&hellip;]<\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28270","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28270","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\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28270"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28270\/revisions"}],"predecessor-version":[{"id":28271,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28270\/revisions\/28271"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}