{"id":38480,"date":"2018-03-09T09:38:04","date_gmt":"2018-03-09T09:38:04","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/bacteriofagos-portadores-del-gen-de-la-stx-2-en-aguas\/"},"modified":"2018-03-09T09:38:04","modified_gmt":"2018-03-09T09:38:04","slug":"bacteriofagos-portadores-del-gen-de-la-stx-2-en-aguas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/bacteriofagos-portadores-del-gen-de-la-stx-2-en-aguas\/","title":{"rendered":"Bacteriofagos portadores del gen de la stx 2 en aguas."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda Teresa Muniesa P\u00e9rez <\/strong><\/h2>\n<p>El estudio estuvo dirigido a la detecci\u00f3n y enumeraci\u00f3n de bacteri\u00f3fagos portadores del gen de la stx 2 en aguas residuales del \u00e1rea urbana de barcelona. La metodolog\u00eda estuvo basada en la amplificaci\u00f3n del gen de la stx 2 por t\u00e9cnicas de pcr. El n\u00famero de estos fagos se estim\u00f3 entre 1-10 fagos infecciosos para e.Coli 0157:h7 en aguas residuales de la zona de barcelona. Adicionalmente se detect\u00f3 la presencia de los fagos portadores del gen de la stx 2 en aguas de diferentes or\u00edgenes geogr\u00e1ficos, demostr\u00e1ndose que no se trataba de un hecho aislado. Los estudios de persistencia realizados, demostraron que estos fagos persisten mejor ante la inactivaci\u00f3n natural y ante procesos de tratamiento (cloraci\u00f3n y pasteurizaci\u00f3n) que e.Coli 0157:h7. Asimismo, el estudio realizado sobre la inactivaci\u00f3n diferencial de diferentes morfolog\u00edas de colifagos som\u00e1ticos demostr\u00f3 que los fagos siphoviridae persisten mejor ante procesos de inactivaci\u00f3n que otras morfolog\u00edas de bacteri\u00f3fagos. Los fagos portadores del gen de la stx 2 pertenecen a la morfolog\u00eda siphoviridae. La presencia de fagos-stx2 en elevada cantidad en aguas residuales asi como su elevada persistencia sugiere que act\u00faan como reservorio del gen stx 2 en el medio ambiente.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Bacteriofagos portadores del gen de la stx 2 en aguas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Bacteriofagos portadores del gen de la stx 2 en aguas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda Teresa Muniesa P\u00e9rez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/07\/1998<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Joan Jofre Torroella<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: ram\u00f3n Pares farras <\/li>\n<li>guillem Prats pastor (vocal)<\/li>\n<li>Jos\u00e9 gaspar Loren egea (vocal)<\/li>\n<li>arie Hendrik havelaar (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Teresa Muniesa P\u00e9rez El estudio estuvo dirigido a la detecci\u00f3n y enumeraci\u00f3n de bacteri\u00f3fagos portadores del [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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