{"id":17488,"date":"2018-03-09T09:05:35","date_gmt":"2018-03-09T09:05:35","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-fenota%c2%adpico-del-mutante-dzf1-deltaoar-de-myxococcus-xanthus-y-de-su-capacidad-biomineralizadora\/"},"modified":"2018-03-09T09:05:35","modified_gmt":"2018-03-09T09:05:35","slug":"estudio-fenota%c2%adpico-del-mutante-dzf1-deltaoar-de-myxococcus-xanthus-y-de-su-capacidad-biomineralizadora","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/estudio-fenota%c2%adpico-del-mutante-dzf1-deltaoar-de-myxococcus-xanthus-y-de-su-capacidad-biomineralizadora\/","title":{"rendered":"Estudio fenot\u00edpico del mutante dzf1 deltaoar de myxococcus xanthus y de su capacidad biomineralizadora"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda  Belen Fernandez Luque <\/strong><\/h2>\n<p>En el estudio fenot\u00edpico comparativo durante el ciclo vegetativo de la cepa salvaje dzf1 y del mutante dzf1deltaoar de myxococcus xanthus no ha revelado diferencias significativas en cuanto al crecimiento vegetativo, movilidad, cohesi\u00f3n celular y formaci\u00f3n de fibrillas extracelulares. Por lo que respecta al ciclo de desarrollo, la cepa mutante dzf1deltaoar no produce los cuerpos fructificantes t\u00edpicos de la cepa salvaje, tan s\u00f3lo un ligero intento de agregados celulares, y muy tard\u00edamente.  la esporulaci\u00f3n de la cepa mutante dzf1deltaoar se encuentra muy disminuida, pudiendo deberse a la falta de agregaci\u00f3n celular que muestra este mutante. las mix\u00f3sporas mutantes, adem\u00e1s de estar en menor n\u00famero y no agregarse, presentan la mayor\u00eda de ellas una morfolog\u00eda ovoidal, sin revelar ning\u00fan tipo de inmadurez, y mostrando el mismo comportamiento durante la germinaci\u00f3n que la cepa salvaje.  los estudios de complementaci\u00f3n celular entre dzf1 y dzf1deltaoar revelaron que no existe ninguna complementaci\u00f3n debida a una se\u00f1al difusible. Sin embargo, si exist\u00eda complementaci\u00f3n superficial cuando ambas cepas llegaban a estar en contacto directo, de manera que la cepa salvaje se sirve de la mutante para asegurar con \u00e9xito su ciclo de desarrollo, ya que la cepa mutante se mantiene siempre como bacilos perif\u00e9ricos sin llegar a formar parte del cuerpo fructificante.  la mutaci\u00f3n que presenta la cepa dzf1deltaoar que conlleva la p\u00e9rdida de una prote\u00edna de membrana de elevado peso molecular, afecta a las caracter\u00edsticas biomineralizadoras de este microorganismo, lo que se pone de manifiesto comparando su comportamiento en este sentido con el de la cepa salvaje 422. La forma en que estas caracter\u00edsticas se ven afectadas dependen marcadamente del medio y de las condiciones de cultivo en que se realicen los ensayos. en unos casos parece ser que el efecto es indirecto, a trav\u00e9s de la deficiencia en agregaci\u00f3n, lo que a su vez provo<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio fenot\u00edpico del mutante dzf1 deltaoar de myxococcus xanthus y de su capacidad biomineralizadora<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio fenot\u00edpico del mutante dzf1 deltaoar de myxococcus xanthus y de su capacidad biomineralizadora <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda  Belen Fernandez Luque <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Granada<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/06\/2002<\/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> Gonz\u00e1lez Mu\u00f1oz M. Teresa<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: manuel Rodr\u00edguez gallego <\/li>\n<li>Antonio  Luis Extremera le\u00f3n (vocal)<\/li>\n<li>nabil Ben omar (vocal)<\/li>\n<li>gerardo Alvarez de cienfuegos lopez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Belen Fernandez Luque En el estudio fenot\u00edpico comparativo durante el ciclo vegetativo de la cepa salvaje [&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":[27,35,953,278,232,2601],"tags":[54731,3688,21883,4220,54730,35351],"class_list":["post-17488","post","type-post","status-publish","format-standard","hentry","category-ciencias-de-la-tierra-y-del-espacio","category-ciencias-de-la-vida","category-geologia","category-microbiologia","category-mineralogia","category-procesos-microbianos","tag-antonio-luis-extremera-leon","tag-gerardo-alvarez-de-cienfuegos-lopez","tag-gonzalez-munoz-m-teresa","tag-manuel-rodriguez-gallego","tag-maria-belen-fernandez-luque","tag-nabil-ben-omar"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/17488","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=17488"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/17488\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=17488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=17488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=17488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}