{"id":133362,"date":"1997-01-01T00:00:00","date_gmt":"1997-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/infecciones-por-especies-del-genero-streptococcus-en-cerdos-estudio-de-factores-de-virulencia\/"},"modified":"1997-01-01T00:00:00","modified_gmt":"1997-01-01T00:00:00","slug":"infecciones-por-especies-del-genero-streptococcus-en-cerdos-estudio-de-factores-de-virulencia","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-agrarias\/infecciones-por-especies-del-genero-streptococcus-en-cerdos-estudio-de-factores-de-virulencia\/","title":{"rendered":"Infecciones por especies del genero streptococcus en cerdos: estudio de factores de virulencia."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Inmaculada Luque Moreno <\/strong><\/h2>\n<p>Se han estudiado 128 cepas, identificadas bioquimica y serologicamente como especies pertenecientes a los generos streptococcus y enterococcus, aisladas de cerdos enfermos con diferentes formas clinicas. Streptococcus suis ha representado el 68,75 por ciento (88 cepas) de los aislamientos, identificandose ademas otras especies incluidas en estos generos: e. Faecium (10,94%), s. Bovis (5,47%), e. Faecalis, s. Dysgalactiae (3,91 %), s. Equi sub. Equisimilis (3,12%) y s. Uberis (1,56%).  confirmamos, ademas del serotipo 2 de s. Suis la presencia de los serotipos 1, 1\/2, 3, 4, 5, 7, 8, 9, 14, 16 y 22, aislandose por primera vez en nuestro pais los serotipos 10 y 27 y el serotipo 15.  se determina la presencia de las proteinas \u00abmuramidase released protein\u00bb, (mrp) y el \u00abfactor externo\u00bb (ef), empleando dos tecnicas inmunoenzimaticas: \u00abelisa directo doble sandwich\u00bb (elisa-das) y \u00abwestern blotting\u00bb (wb), observando que mas del noventa por ciento de las cepas de s. Suis serotipo 2 aisladas de cerdos enfermos, presentan ambas o alguna de las proteinas mrp y ef, lo que sugiere la implicacion directa de las mismas en la virulencia de este serotipo. Se demuestra que las proteinas mrp y ef no estan ligadas exclusivamente al serotipo 2 de s. Suis, ya que cepas de los serotipos 1, 1\/2 y 14 presentan el fenotipo mrp+ef+. En el resto de las especies de los generos streptococcus y enterococcus aisladas de cerdos enfermos, no se ha demostrado la presencia de las proteinas mrp y ef.  en el estudio de portadores tonsilares, se han aislado cincuenta y cuatro cepas pertenecientes a la especie s.  suis. El serotipo 2 ha sido el mas frecuente (35,19%), detectandose asimismo los serotipos 1, 1\/2, 8, 10, 14, 15, 21, 26 y 28. En el estudio de portadores tonsilares realizado sobre cuatro explotaciones con procesos patologicos asociados a s. Suis, se comprueba, en dos de ellas, que las cepas aisladas de casos clinicos y portadores tonsilares mostraban identi<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Infecciones por especies del genero streptococcus en cerdos: estudio de factores de virulencia.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Infecciones por especies del genero streptococcus en cerdos: estudio de factores de virulencia. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Inmaculada Luque Moreno <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1997<\/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>Juan  Anselmo Perea Remujo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Miranda Garc\u00eda <\/li>\n<li>Miguel Hermoso De Mendoza Salcedo (vocal)<\/li>\n<li>Santiago Vadillo Machota (vocal)<\/li>\n<li> Castro Arganda Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Inmaculada Luque Moreno Se han estudiado 128 cepas, identificadas bioquimica y serologicamente como especies pertenecientes a los [&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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