{"id":6843,"date":"1995-01-01T00:00:00","date_gmt":"1995-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1995\/01\/01\/obtencion-y-caracterizacion-de-una-linea-celular-de-pisum-sativum-cv-challis-tolerante-a-estres-salino-clna\/"},"modified":"1995-01-01T00:00:00","modified_gmt":"1995-01-01T00:00:00","slug":"obtencion-y-caracterizacion-de-una-linea-celular-de-pisum-sativum-cv-challis-tolerante-a-estres-salino-clna","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/obtencion-y-caracterizacion-de-una-linea-celular-de-pisum-sativum-cv-challis-tolerante-a-estres-salino-clna\/","title":{"rendered":"Obtencion y caracterizacion de una linea celular de pisum sativum cv. challis tolerante a estres salino (clna)."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Enrique Olmos Aranda <\/strong><\/h2>\n<p>Se ha seleccionado una linea celular tolerante a salinidad (85.5 mm de nacl) a partir de callos procedentes de plantas de pisum sativum cv. Challis. Se caracterizaron los parametros de estabilidad y crecimiento de linea sal-tolerante. Estudiandose igualmente, los mecanismos tanto fisiologicos, como bioquimicos y ultrastructurales que estas celulas tienen que realizar en los procesos de adaptacion a salinidad.  asi se ha comprobado, que las celulas sal-tolerantes acumularon iones na+ y cl-, mientras que k+, mg2+ y ca2+ disminuyeron significativamente. El fosforo total tambien disminuyo. En las celulas sal-tolerante se pudo comprobar el acumulo de tres polipeptidos de 24, 58 y 84 kd, asi como el incremento de dos polipeptidos extracelulares de 21 y 29 kd y el descenso de uno de 43 kd. En linea sal-tolerante se comprobo igualmente un incremento de la concentracion de los amiacidos totales, destacandose el acumulo de prolina, asparragina, glutamina y ac.  glutamico.  igualmente se produjo una disminucion de la respiracion celular, acompa\u00f1ada de un incremento de la concentracion de azucares reductores (glucosa y fructosa), reduciendose paralelamente otras actividades enzimaticas. Se incrementaron los sistemas antioxidantes tanto enzimatico (sod, peroxidasas) y se produjo una adaptacion ultrastructural.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Obtencion y caracterizacion de una linea celular de pisum sativum cv. challis tolerante a estres salino (clna).<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Obtencion y caracterizacion de una linea celular de pisum sativum cv. challis tolerante a estres salino (clna). <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Enrique Olmos Aranda <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1995<\/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>Eladio Hellin Saenz<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Blanca Agulleiro Diaz <\/li>\n<li>Francisca Sevilla Valenzuela (vocal)<\/li>\n<li>Juan Cuello Moreno (vocal)<\/li>\n<li>Antonio  Lino Garc\u00eda Torres (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Enrique Olmos Aranda Se ha seleccionado una linea celular tolerante a salinidad (85.5 mm de nacl) a [&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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