{"id":142141,"date":"2026-01-12T18:08:47","date_gmt":"2026-01-12T18:08:47","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/regulacion-y-caracterizacion-de-las-isoformas-de-glutamina-sintetasa-de-girasol-helianthus-annuus-l-cv-peredovic\/"},"modified":"2026-01-12T18:08:47","modified_gmt":"2026-01-12T18:08:47","slug":"regulacion-y-caracterizacion-de-las-isoformas-de-glutamina-sintetasa-de-girasol-helianthus-annuus-l-cv-peredovic","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/regulacion-y-caracterizacion-de-las-isoformas-de-glutamina-sintetasa-de-girasol-helianthus-annuus-l-cv-peredovic\/","title":{"rendered":"Regulacion y caracterizacion de las isoformas de glutamina sintetasa de girasol (helianthus annuus l. cv. peredovic)"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Cabello De La Haba Purificacion <\/strong><\/h2>\n<p>En cotiledones y hojas de plantas de girasol (helianthus annus l. Cv. Peredovic) se han identificado y separado por cromatografia de intercambio ionico en deae-sephacel, dos isoformas de glutamina sintetasa, denominadas gs1 y gs2.  en semillas se encuentra una unica isoforma denominada gss, que es gradualmente sustituida por las isoformas gs1 y gs2 durante el proceso de germinacion. En raices se observa una unica isoforma, denominada gsr.  la luz y el nitrato estimulan de forma sinergica la actividad gs2, mientras que afectan negativamente sobre la isoforma gs1. La isoforma gs1 se sintetiza y se localiza en el citosol mientras que la isoforma gs2 se sintetiza en el citosol y se localiza en los cloroplastos. Ambas isoformas mostraron unos parametros cineticos, un ph y temperatura optimos semejantes, sin embargo la isoforma gs2 presento una mayor inestabilidad termica, una mayor afinidad por el manganeso y fue mas sensible a los reactivos de grupos sulfhidrilos que la gs1.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Regulacion y caracterizacion de las isoformas de glutamina sintetasa de girasol (helianthus annuus l. cv. peredovic)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Regulacion y caracterizacion de las isoformas de glutamina sintetasa de girasol (helianthus annuus l. cv. peredovic) <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Cabello De La Haba Purificacion <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1993<\/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> Haba Hermida Purificacion De La<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Manuel Tena Aldave <\/li>\n<li>Francisco Miguel Canovas Ramos (vocal)<\/li>\n<li>Manuel Pineda Priego (vocal)<\/li>\n<li>Antonio  Jos\u00e9 M\u00e1rquez Cabeza (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cabello De La Haba Purificacion En cotiledones y hojas de plantas de girasol (helianthus annus l. Cv. [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[972,35,973,479],"tags":[13241,256865,7966,116119,66628,1941],"class_list":["post-142141","post","type-post","status-publish","format-standard","hentry","category-botanica","category-ciencias-de-la-vida","category-cordoba","category-fisiologia-vegetal","tag-antonio-jose-marquez-cabeza","tag-cabello-de-la-haba-purificacion","tag-francisco-miguel-canovas-ramos","tag-haba-hermida-purificacion-de-la","tag-manuel-pineda-priego","tag-manuel-tena-aldave"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/142141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=142141"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/142141\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=142141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=142141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=142141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}