{"id":3136,"date":"2019-09-16T16:47:55","date_gmt":"2019-09-16T09:47:55","guid":{"rendered":"https:\/\/ahrd.com.vn\/?p=3136"},"modified":"2022-03-17T19:37:30","modified_gmt":"2022-03-17T12:37:30","slug":"danh-gia-hoat-dong-uc-che-cua-vi-khuan-xa-khuan-doi-voi-chung-vibrio-parahaemolyticus-nguyen-nhan-gay-benh-hoai-tu-gan-cap-tinh-ahpnd-tren-tom-the-chan-trang-penaeus-vannamei","status":"publish","type":"post","link":"https:\/\/ahrd.vn\/?p=3136","title":{"rendered":"\u0110\u00e1nh gi\u00e1 ho\u1ea1t \u0111\u1ed9ng \u1ee9c ch\u1ebf c\u1ee7a vi khu\u1ea9n x\u1ea1 khu\u1ea9n \u0111\u1ed1i v\u1edbi ch\u1ee7ng Vibrio Parahaemolyticus nguy\u00ean nh\u00e2n g\u00e2y b\u1ec7nh ho\u1ea1i t\u1eed gan c\u1ea5p t\u00ednh (AHPND) tr\u00ean t\u00f4m Th\u1ebb ch\u00e2n tr\u1eafng (Penaeus vannamei)"},"content":{"rendered":"<p>V\u00e0o n\u0103m 2013, c\u00e1c plasmid \u0111\u1ed9c l\u1ef1c c\u1ee7a ch\u1ee7ng <em>V. parahaemolyticus<\/em> \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u1eadn \u0111\u1ecbnh l\u00e0 t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh\u00a0 AHPND\u00a0 (B\u1ec7nh ho\u1ea1i t\u1eed gan c\u1ea5p t\u00ednh) tr\u00ean t\u00f4m Th\u1ebb ch\u00e2n tr\u1eafng &#8211; <em>Penaeus vannamei<\/em>.Vi\u1ec7c ph\u00f2ng v\u00e0 ch\u1eefa b\u00eanh g\u1eb7p r\u1ea5t nhi\u1ec1u kh\u00f3 kh\u0103n do vi khu\u1ea9n <em>V. parahaemolyticus<\/em> trong tr\u1ea7m t\u00edch c\u1ee7a ao. AHPND th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n \u1edf giai \u0111o\u1ea1n s\u1edbm sau 45 ng\u00e0y th\u1ea3 v\u1edbi t\u1ef7 l\u1ec7 t\u00f4m ch\u1ebft kho\u1ea3ng 80 &#8211; 100%. M\u1ee5c ti\u00eau ch\u00ednh l\u00e0 ph\u00e2n l\u1eadp vi khu\u1ea9n Actinobacteria ch\u1ed1ng l\u1ea1i t\u00e1c nh\u00e2n <em>V. parahaemolyticus<\/em> g\u00e2y b\u1ec7nh t\u1eeb c\u00e1c ngu\u1ed3n tr\u1ea7m t\u00edch t\u1ef1 nhi\u00ean. K\u1ebft qu\u1ea3 cho th\u1ea5y r\u1eb1ng ch\u1ee7ng X381 l\u00e0 m\u1ed9t trong 29 ch\u1ee7ng thu\u1ed9c nh\u00f3m vi khu\u1ea9n x\u1ea1 khu\u1ea9n Actinobacteria cho\u00a0c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed1i kh\u00e1ng ch\u1ed1ng l\u1ea1i V<em>. parahaemolyticus<\/em> g\u00e2y b\u1ec7nh v\u1edbi c\u00e1c v\u00f2ng kh\u00e1ng kho\u1ea3ng 10-45 mm. Ngo\u00e0i ra, hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c h\u1ea1t sinh h\u1ecdc trong vi\u1ec7c c\u1ea1nh tranh v\u1edbi V. parahaemolyticus \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m b\u1eb1ng th\u00ed nghi\u1ec7m \u0111\u1ed3ng nu\u00f4i c\u1ea5y v\u1edbi th\u1ec3 t\u00edch 50 ml. K\u1ebft qu\u1ea3 \u0111\u00e3 ch\u1ee9ng minh r\u1eb1ng \u1edf m\u1ee9c 15 \u0111\u1ebfn 40 h\u1ea1t sinh h\u1ecdc, ch\u00fang c\u1ea1nh v\u1edbi nhau v\u1ec1 dinh d\u01b0\u1ee1ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 m\u1eadt \u0111\u1ed9 c\u1ee7a <em>V. parahaemolyticus<\/em> so v\u1edbi nh\u00f3m \u0111\u1ed1i ch\u1ee9ng trong 24 gi\u1edd v\u00e0 <em>V. parahaemolyticus<\/em>b\u1ecb ti\u00eau di\u1ec7t ho\u00e0n to\u00e0n sau 30 gi\u1edd. \u0110i\u1ec1u ki\u1ec7n in vivo, \u00e1p d\u1ee5ng x\u1eed l\u00fd n\u01b0\u1edbc v\u1edbi ch\u1ee7ng X381 v\u1edbi m\u1eadt \u0111\u1ed9 4,5&#215;10<sup>3<\/sup> h\u1ea1t\/ 15L cho th\u1ea5y\u00a0 t\u1ec9 l\u1ec7 s\u1ed1ng t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a t\u00f4m l\u00e0 74%, trong khi cho \u0103n v\u1edbi m\u1eadt \u0111\u1ed9 3,34&#215;10<sup>5<\/sup> CFU \/g \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh RPS (%) b\u1eb1ng 53,7%, t\u1ea5t c\u1ea3 c\u00e1c th\u00ed nghi\u1ec7m \u0111\u1ec1u c\u00f3 n\u1ed3ng \u0111\u1ed9 Actinobacteria\u1edf 1,2&#215;10<sup>6 <\/sup>CFU \/ mL. Do \u0111\u00f3, Actinobacteria (X381) cho th\u1ea5y ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed1i kh\u00e1ng ch\u1ee9a nhi\u1ec1u ti\u1ec1m n\u0103ng ch\u1ed1ng l\u1ea1i <em>V. parahaemolyticus<\/em> g\u00e2y b\u00eanh AHPND v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a t\u00f4m.<\/p>\n<p><em>\u00a0 \u00a0<\/em><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-3137\" src=\"https:\/\/ahrd.com.vn\/wp-content\/uploads\/2022\/03\/Tom-the-chan-trang.jpg\" alt=\"\" width=\"600\" height=\"184\" \/><\/p>\n<p><em><strong>H\u00ecnh:<\/strong> C\u00e1c ch\u1ee7ng Actinobacteria \u0111\u1ed1i kh\u00e1ng v\u1edbi ch\u1ee7ng V. parahaemolyticus g\u00e2y b\u00eanh AHPND tr\u00ean t\u00f4m Th\u1ebb ch\u00e2n tr\u1eafng (Penaeus vannamei):<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u00e0o n\u0103m 2013, c\u00e1c plasmid \u0111\u1ed9c l\u1ef1c c\u1ee7a ch\u1ee7ng V. parahaemolyticus \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u1eadn \u0111\u1ecbnh l\u00e0 t\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh\u00a0 AHPND\u00a0 (B\u1ec7nh ho\u1ea1i t\u1eed gan c\u1ea5p t\u00ednh) tr\u00ean t\u00f4m Th\u1ebb ch\u00e2n tr\u1eafng &#8211; Penaeus vannamei.Vi\u1ec7c ph\u00f2ng v\u00e0 ch\u1eefa b\u00eanh g\u1eb7p r\u1ea5t nhi\u1ec1u kh\u00f3 kh\u0103n do vi khu\u1ea9n V. parahaemolyticus trong tr\u1ea7m t\u00edch c\u1ee7a ao. AHPND [&#8230;]\n","protected":false},"author":49,"featured_media":3137,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[316],"tags":[],"_links":{"self":[{"href":"https:\/\/ahrd.vn\/index.php?rest_route=\/wp\/v2\/posts\/3136"}],"collection":[{"href":"https:\/\/ahrd.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ahrd.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ahrd.vn\/index.php?rest_route=\/wp\/v2\/users\/49"}],"replies":[{"embeddable":true,"href":"https:\/\/ahrd.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3136"}],"version-history":[{"count":2,"href":"https:\/\/ahrd.vn\/index.php?rest_route=\/wp\/v2\/posts\/3136\/revisions"}],"predecessor-version":[{"id":3688,"href":"https:\/\/ahrd.vn\/index.php?rest_route=\/wp\/v2\/posts\/3136\/revisions\/3688"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ahrd.vn\/index.php?rest_route=\/wp\/v2\/media\/3137"}],"wp:attachment":[{"href":"https:\/\/ahrd.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ahrd.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ahrd.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}