{"id":2028,"date":"1994-01-01T00:00:00","date_gmt":"1994-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1994\/01\/01\/aislamiento-y-caracterizacion-de-las-betalactamasas-cromosomicas-y-plasmidicas-presentes-en-bacilos-gramnegativos\/"},"modified":"1994-01-01T00:00:00","modified_gmt":"1994-01-01T00:00:00","slug":"aislamiento-y-caracterizacion-de-las-betalactamasas-cromosomicas-y-plasmidicas-presentes-en-bacilos-gramnegativos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/aislamiento-y-caracterizacion-de-las-betalactamasas-cromosomicas-y-plasmidicas-presentes-en-bacilos-gramnegativos\/","title":{"rendered":"Aislamiento y caracterizacion de las betalactamasas cromosomicas y plasmidicas presentes en bacilos gramnegativos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Josefa Nicolas Vigueras <\/strong><\/h2>\n<p>La clasificacion de las betalactamasas sintetizadas por 437 bacilos gramnegativos (328 enterobacterias, 109 pseudomonas), se realizo mediante la determinacion del pi por isoelectroenfoque analitico, y la accion inhibitoria del acido clavulanico, fundamentalmente. En enterobacterias, se identificaron 59 betalactamasas cromosomicas, determinandose en 29 de ellas, hiperproduccion. El 82% de las enterobacterias, producian betalactamasas plasmicas: tem=79.3%; shv=10.4%; oxa=8.7%; pse=0.4%. Dos enterobacterias producian betalactamasas de espectro ampliado. En pseudomonadaceas, la sintesis de enzima cromosomico fue mas importante (32.8%). La hiperproduccion se detecto en 6 aislados de esta familia.  solo se determinaron betalactamasas plasmidicas compatibles con dos tipos: tem=56%; pse=44%.  amoxicilina-clavulanico mantuvo su accion frente a betalactamasas tipo tem. Sin embargo, ticarcilina-clavulanico fue menos eficaz frente a estos enzimas, sospechandose la hiperproduccion de betalactamasas tipo tem en algunas cepas.  ampicilina-sulbactam fue ineficaz frente a cualquiera de los enzimas plasmidicos, y piperacilina-tazobactam fue la combinacion mas activa de las ensayadas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Aislamiento y caracterizacion de las betalactamasas cromosomicas y plasmidicas presentes en bacilos gramnegativos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Aislamiento y caracterizacion de las betalactamasas cromosomicas y plasmidicas presentes en bacilos gramnegativos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Josefa Nicolas Vigueras <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1994<\/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>Francisco Martin Luengo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Ramon Cisterna Cancer <\/li>\n<li>Manuel Segovia Hern\u00e1ndez (vocal)<\/li>\n<li>Jos\u00e9 Prieto Prieto (vocal)<\/li>\n<li>Miguel Gobernado Serrano (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Josefa Nicolas Vigueras La clasificacion de las betalactamasas sintetizadas por 437 bacilos gramnegativos (328 enterobacterias, 109 pseudomonas), [&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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