{"id":40141,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/epidemiologia-y-factores-de-virulencia-de-cepas-de-salmonella-causantes-de-toxiinfecciones-alimentarias\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"epidemiologia-y-factores-de-virulencia-de-cepas-de-salmonella-causantes-de-toxiinfecciones-alimentarias","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/epidemiologia-y-factores-de-virulencia-de-cepas-de-salmonella-causantes-de-toxiinfecciones-alimentarias\/","title":{"rendered":"Epidemiolog\u00eda y factores de virulencia de cepas de salmonella causantes de toxiinfecciones alimentarias."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Fernando Egea Castillo <\/strong><\/h2>\n<p>Se ha realizado la caracterizaci\u00f3n de algunos de los principales marcadores epidemiol\u00f3gicos as\u00ed como de factores de virulencia presentes en cepas de salmonella productoras de toxiinfecciones alimentarias en cepas en estado natural y sometidas a estr\u00e9s.  los resultados obtenidos muestran que los perfiles plasm\u00eddicos y de prote\u00ednas de membrana externa no son adecuados para discriminar aislados de origen alimentario de los de origen cl\u00ednico.  el espectro de resistencia a antimicrobianos es mayor en cepas aisladas de muestras cl\u00ednicas respecto a las aisladas de alimentos. Adem\u00e1s, la resistencia a estreptomicina, cefalotina y tetraciclina puede ser considerada de origen plasm\u00eddico en las cepas estudiadas.  la hidrofobicidad est\u00e1 relacionada con la capacidad de adhesi\u00f3n a mucus intestinal, aunque no sea el \u00fanico factor responsable de la adhesi\u00f3n. por otro lado, la capacidad hemol\u00edtica y hemaglutinante no est\u00e1n relacionadas con la citotoxicidad de salmonella.  los lps y la actividad fosfolipasa no son fundamentales en la capacidad cititoxica de las cepas de salmonella estudiadas, siendo las cepas de origen cl\u00ednico las que mostraron una mayor capacidad citot\u00f3xica.  la permanencia en agua de mar y el posterior contacto con moluscos no modifica las actividades enzim\u00e1ticas ni la capacidad citot\u00f3xica de los productos extracelulares de salmonella. Por el contrario, el paso por animales de experimentaci\u00f3n susceptibles s\u00ed var\u00eda estas actividades.  las c\u00e9lulas de salmonella sometidas a estr\u00e9s prolongado en agua de mar ven disminu\u00edda su capacidad de adhesi\u00f3n, agregaci\u00f3n y citotoxicidad, aunque estas capacidades no desaparecen por completo y los animales de experimentaci\u00f3n susceptibles muestran s\u00edntomas histopatol\u00f3gicos id\u00e9nticos a los producidos por las mismas cepas no estresadas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Epidemiolog\u00eda y factores de virulencia de cepas de salmonella causantes de toxiinfecciones alimentarias.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Epidemiolog\u00eda y factores de virulencia de cepas de salmonella causantes de toxiinfecciones alimentarias. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Fernando Egea Castillo <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 M\u00e1laga<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/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> Mori\u00f1igo Gutierrez Miguel Angel<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: pedro Romero raya <\/li>\n<li>vicente Dom\u00ednguez rojas (vocal)<\/li>\n<li>joaqu\u00edn Fern\u00e1ndez-crehuet navajas (vocal)<\/li>\n<li>Mar\u00eda  Jos\u00e9 Figueras salvat (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Fernando Egea Castillo Se ha realizado la caracterizaci\u00f3n de algunos de los principales marcadores epidemiol\u00f3gicos as\u00ed como [&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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