{"id":2465,"date":"1994-01-01T00:00:00","date_gmt":"1994-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1994\/01\/01\/caracterizacion-de-pseudomonas-corrugata-roberts-y-scarlett-agente-causal-de-la-necrosis-medular-del-tomate\/"},"modified":"1994-01-01T00:00:00","modified_gmt":"1994-01-01T00:00:00","slug":"caracterizacion-de-pseudomonas-corrugata-roberts-y-scarlett-agente-causal-de-la-necrosis-medular-del-tomate","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/caracterizacion-de-pseudomonas-corrugata-roberts-y-scarlett-agente-causal-de-la-necrosis-medular-del-tomate\/","title":{"rendered":"Caracterizacion de pseudomonas corrugata roberts y scarlett, agente causal de la necrosis medular del tomate"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Siverio De La Rosa Felipe <\/strong><\/h2>\n<p>Se han caracterizado 128 cepas de pseudomonas corrugata, agente etiologico de la necrosis medular del tomate, procedentes de diferentes paises, empleando tecnicas de diagnostico convencionales, pruebas de utilizacion de hidratos de carbono api 50 ch, pruebas serologicas (inmunofluorescencia, elisa, electroforesis, transferencias a membrana y revelado de las mismas mediante tecnicas elisa), estudio de la composicion total de acidos grasos, estudio de la produccion de sideroforos y de proteinas de membrana inducidos por medios deficientes en hierro, pruebas de hibridacion adn-adn y poder patogeno en hospedadores no habituales. P.  corrugata muestra una considerable variabilidad en las pruebas bioquimicas realizadas y en sus perfiles de acidos grasos. Tambien presenta grandes diferencias en la respuesta serologica, consecuencia de la diversidad de tipos de lipopolisacaridos presentes en las distintas cepas. Otros antigenos comunes detectados en todas las cepas estudiadas estan tambien presentes en otras especies de pseudomonas. En condiciones de deficiencia en hierro produce la liberacion al medio de sideroforos con reactividad quimica diferente a la de los sideroforos tipo catecolato e hidroxamato y de al menos dos proteinas de su membrana externa de pesos moleculares aproximados de 80000 y 90000. Las diferencias detectadas en las pruebas de hibridacion adn-adn confirman a p. Corrugata como especie diferenciada de otras pseudomonas con situacion taxonomica proxima, pero presentando amplias diferencias entre cepas. P. Corrugata tiene un amplio espectro de hospedadores potenciales, ya que es capaz de producir necrosis medular o lesiones en el tallo en plantas de tabaco, berenjena, calabacin, pepino, col y judia, ademas de las ya descritas en tomate y pimiento.  las variaciones observadas en algunas de las pruebas bioquimicas, composicion en acidos grasos y, posiblemente, en el poder patogeno sobre varias especies no hospedadoras hab<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizacion de pseudomonas corrugata roberts y scarlett, agente causal de la necrosis medular del tomate<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizacion de pseudomonas corrugata roberts y scarlett, agente causal de la necrosis medular del tomate <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Siverio De La Rosa Felipe <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 La laguna<\/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>Mar\u00eda Milagros L\u00f3pez Gonz\u00e1lez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Rodriguez Dominguez <\/li>\n<li>Teresa Serra Yoldi (vocal)<\/li>\n<li>Emilio Montesinos Segui (vocal)<\/li>\n<li> Corzo Varillas Francisco Javier (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Siverio De La Rosa Felipe Se han caracterizado 128 cepas de pseudomonas corrugata, agente etiologico de la [&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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