{"id":3534,"date":"2016-10-17T15:16:51","date_gmt":"2016-10-17T21:16:51","guid":{"rendered":"http:\/\/otech.uaeh.edu.mx\/noti\/?p=3534"},"modified":"2016-10-17T15:19:25","modified_gmt":"2016-10-17T21:19:25","slug":"adn-arana-viuda-negra-virus","status":"publish","type":"post","link":"https:\/\/otech.uaeh.edu.mx\/noti\/ciencia\/adn-arana-viuda-negra-virus\/","title":{"rendered":"Detectan ADN de ara\u00f1a viuda negra en un virus"},"content":{"rendered":"<p>Unos bi\u00f3logos se han topado con ADN de ara\u00f1a viuda negra en un virus, al secuenciar el genoma de ese virus que ataca a la Wolbachia<!--more-->, una bacteria que ha conseguido infectar no solo a esa clase de ara\u00f1as sino tambi\u00e9n a m\u00e1s de la mitad de todas las especies de artr\u00f3podos, que incluyen a insectos, ara\u00f1as y crust\u00e1ceos.<\/p>\n<p>Descubrir ADN de viuda negra, concretamente relacionado con el gen de una toxina del veneno de esa temible ara\u00f1a fue una sorpresa total porque es la primera vez que se ha encontrado un bacteri\u00f3fago (un virus que infecta a bacterias) llevando ADN de tipo animal.<\/p>\n<p>El hallazgo lo ha hecho el equipo de Seth Bordenstein y Sarah Bordenstein, de la Universidad Vanderbilt en Nashville, Tennessee, Estados Unidos.<\/p>\n<p>Normalmente, los bacteri\u00f3fagos, como el examinado en la nueva investigaci\u00f3n, llevan genes especializados que les permiten traspasar las barreras defensivas de las c\u00e9lulas bacterianas que son su objetivo. Pero en este caso, la porci\u00f3n de ADN relacionado con el gen de la toxina de la ara\u00f1a est\u00e1 intacta en el bacteri\u00f3fago. Tambi\u00e9n hay evidencias de que el bacteri\u00f3fago produce toxinas insecticidas, pero los autores del estudio todav\u00eda no est\u00e1n seguros sobre c\u00f3mo son utilizadas y administradas.<\/p>\n<p>Seth Bordenstein empez\u00f3 a estudiar el bacteri\u00f3fago hace 15 a\u00f1os porque ten\u00eda curiosidad sobre c\u00f3mo sobreviven y prosperan tales virus en una bacteria simbi\u00f3tica como la Wolbachia, que tiene un genoma muy peque\u00f1o.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Octubre 2016<\/strong><\/p>\n<p><strong>Fuente<a href=\"http:\/\/invdes.com.mx\/medio-ambiente\/3279-detectan-adn-de-arana-viuda-negra-en-un-virus.html\">: ID<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Unos bi\u00f3logos se han topado con ADN de ara\u00f1a viuda negra en un virus, al secuenciar el genoma de ese virus que ataca a la Wolbachia<\/p>\n","protected":false},"author":1,"featured_media":3535,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56],"tags":[],"class_list":["post-3534","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Detectan ADN de ara\u00f1a viuda negra en un virus<\/title>\n<meta name=\"description\" content=\"Unos bi\u00f3logos se han topado con ADN de ara\u00f1a viuda negra en un virus, al secuenciar el genoma de ese virus que ataca a la Wolbachia\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/otech.uaeh.edu.mx\/noti\/ciencia\/adn-arana-viuda-negra-virus\/\" \/>\n<meta property=\"og:locale\" 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