{"id":26107,"date":"2003-02-10T00:00:00","date_gmt":"2003-02-10T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/yersinia-ruckeri-taxonoma%c2%ada-molecular-y-obtencion-de-una-vacuna-viva-atenuada\/"},"modified":"2003-02-10T00:00:00","modified_gmt":"2003-02-10T00:00:00","slug":"yersinia-ruckeri-taxonoma%c2%ada-molecular-y-obtencion-de-una-vacuna-viva-atenuada","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/leon\/yersinia-ruckeri-taxonoma%c2%ada-molecular-y-obtencion-de-una-vacuna-viva-atenuada\/","title":{"rendered":"Yersinia ruckeri: taxonom\u00edamolecular y obtenci\u00f3n de una vacuna viva atenuada"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alejandro Temprano Hern\u00e1ndez <\/strong><\/h2>\n<p>Yersinia ruckeri es una enterobacteria gram-negativa responsable de la enfermedad de la boca roja, infecci\u00f3n septic\u00e9mica de curso agudo a cr\u00f3nico que afecta a salm\u00f3nidos, cusante de una alta mortalidad y elevadas p\u00e9rdidas econ\u00f3micas en piscifactor\u00edas, especialmente en trucha arco iris y en salm\u00f3n atl\u00e1ntico (ewing et al. 1978). Actualmente se reconocen cinco serotipos-o (o1, o2, o5, o6 y o7), siendo el serotipo o1 el responsable de la mayor\u00eda de las epidemias de la enfermedad (davies, 1990; busch, 1982), las cuales est\u00e1n frecuentemente relacionadas con estr\u00e9s o con condiciones medio ambientales pobres (stevenson, 1997). Actualmente se conoce muy poco sobre los mecanismos de virulencia de y.Ruckeri. Furones et al. (1990) estudiaron un factor sensible al calor (hsf) presente en los extractos celulares, el cual se asoci\u00f3 con la virulencia. Romalde y toranzo (1993) demostraron la toxicidad de los productos extracelulares de y.Ruckeri cuando se inoculaban intraperitonealmente en peces, adem\u00e1s, de las actividades enzim\u00e1ticas hemolisina, proteasas, lipasa, amilasa y fosfolipasa. Secades y guijarro (199) caracterizaron una proteasa extracelular de y.Ruckeri con actividad caseinol\u00edtica que se cree que es un factor de virulencia.  en este trabajo de tesis doctoral se han desarrollado dos sistemas de identificaci\u00f3n de las especie yersinia ruckeri, mediante t\u00e9cnicas basadas en la amplificaci\u00f3n de \u00e1cidos nucleicos. Por otra parte, se ha estudiado el control fenot\u00edpico ejercido por el sistema quorum-sensing de esta especie y se ha obtenido un mutante aux\u00f3trofo aroa de yersinia ruckeri, valido como vacuna viva atenuada frente a la enfermedad de la boca roja en trucha arco-iris.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Yersinia ruckeri: taxonom\u00edamolecular y obtenci\u00f3n de una vacuna viva atenuada<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Yersinia ruckeri: taxonom\u00edamolecular y obtenci\u00f3n de una vacuna viva atenuada <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alejandro Temprano Hern\u00e1ndez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Le\u00f3n<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 02\/10\/2003<\/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>Germ\u00e1n Naharro Carrasco<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: tom\u00e1s Gonz\u00e1lez villa <\/li>\n<li>Alberto Jos\u00e9 Villena cortes (vocal)<\/li>\n<li>pedro Rubio nistal (vocal)<\/li>\n<li> L\u00f3pez nieto Manuel Jes\u00fas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alejandro Temprano Hern\u00e1ndez Yersinia ruckeri es una enterobacteria gram-negativa responsable de la enfermedad de la boca roja, [&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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