{"id":49232,"date":"2021-02-15T03:33:49","date_gmt":"2021-02-15T03:33:49","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-alfa-hemolisina-de-escherichia-coli-codificada-por-el-plasmido-psu-105\/"},"modified":"2021-02-15T03:33:49","modified_gmt":"2021-02-15T03:33:49","slug":"estudio-de-la-alfa-hemolisina-de-escherichia-coli-codificada-por-el-plasmido-psu-105","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/estudio-de-la-alfa-hemolisina-de-escherichia-coli-codificada-por-el-plasmido-psu-105\/","title":{"rendered":"Estudio de la alfa-hemolisina de escherichia coli codificada por el plasmido psu 105."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Gonzalez Carrero Lopez Manuel Ignacio <\/strong><\/h2>\n<p>Se ha localizado el determinante genetico de la alfa-hemolisina de echerichia coli en cepas aisladas de procesos infecciosos de localizacion diversa. El fragmento hind iii-c del plasmido phl y 152 que contiene gran parte del determinante hl y localizado en dicho plasmido presenta hibridacion con fragmento hind-iii de adn de las cepas en estudio. Los medios de cultivo a base de extracto de carne son optimos para la produccion de alfa-hemolisina. Por el contrario los medios de cultivo minimos conteniendo fosfatos o citratos no son adecuados para la produccion o ensayo de alfa-hemolisina. La alfa hemolisina resulto ser muy inestable en extractos crudos aun a bajas temperaturas. Preparados de alfa hemolisina obtenidos por precipitacion a ph 3 4 estan constituidos por un numero reducido de especies proteicas   en algun caso una sola especie con una masa molecular igual o in ferior a 10.000 daltons. La actividad hemolitica de alfa-hemolisina es inhibida a bajas concentraciones de gangliosidos y moleculas anfipaticas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la alfa-hemolisina de escherichia coli codificada por el plasmido psu 105.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la alfa-hemolisina de escherichia coli codificada por el plasmido psu 105. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Gonzalez Carrero Lopez Manuel Ignacio <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1982<\/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>Jos\u00e9 Miguel Ortiz Melon<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Benito Regueiro Varela <\/li>\n<li>Franco Fern\u00e1ndez Gonz\u00e1lez (vocal)<\/li>\n<li>Jos\u00e9 Miguel Ortiz Melon (vocal)<\/li>\n<li>Jes\u00fas Osorio Pelaez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gonzalez Carrero Lopez Manuel Ignacio Se ha localizado el determinante genetico de la alfa-hemolisina de echerichia coli [&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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