{"id":62157,"date":"2018-03-09T22:50:03","date_gmt":"2018-03-09T22:50:03","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-ecologaa%c2%ada-de-bacillus-thuringiensis-en-la-hoja\/"},"modified":"2018-03-09T22:50:03","modified_gmt":"2018-03-09T22:50:03","slug":"estudio-de-la-ecologaa%c2%ada-de-bacillus-thuringiensis-en-la-hoja","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/estudio-de-la-ecologaa%c2%ada-de-bacillus-thuringiensis-en-la-hoja\/","title":{"rendered":"Estudio de la ecolog\u00c1\u00a3\u00c2\u00ada de bacillus thuringiensis en la hoja"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Pau Maduell Soler <\/strong><\/h2>\n<p>La ecolog\u00ed\u00a3\u00c2\u00ada de bacillus thuringiensis, un bioinsecticida muy com\u00ed\u00a3\u00c2\u00ban, es poco conocida. Nuestro principal objetivo era investigar acerca de la ecolog\u00ed\u00a3\u00c2\u00ada de esta bacteria en la filosfera. En un primer estudio se recogieron 35 muestras de hojas del g\u00ed\u00a3(c)nero piper de bosques andinos colombianos. Se obtuvieron 256 aislamientos de b. Thuringiensis del 74% de las muestras estudiadas. Los aislamientos fueron caracterizados seg\u00ed\u00a3\u00c2\u00ban la morfolog\u00ed\u00a3\u00c2\u00ada del cristal, la presencia de genes cry por pcr y la toxicidad contra insectos. Adem\u00ed\u00a3\u00c2\u00a1s, se estimaron las poblaciones de c\u00ed\u00a3(c)lulas vegetativas viables y endosporas por unidad de \u00ed\u00a3\u00c2\u00a1rea obteni\u00ed\u00a3(c)ndose 2-5&#215;103 cfu\/cm2 de hoja. En general, no se encontraron diferencias estad\u00ed\u00a3\u00c2\u00adsticamente significativas en el n\u00ed\u00a3\u00c2\u00bamero de aislamientos de b. Thuringiensis por cm2 de hoja ni en las caracter\u00ed\u00a3\u00c2\u00adsticas de los aislamientos de b. Thuringiensis entre las diferentes especies de piper. Despu\u00ed\u00a3(c)s de comprobar que b. Thuringiensis estaba presente en el filoplano, se quiso comparar las poblaciones de esta bacteria en el suelo y en las hojas. Se aisl\u00ed\u00a3\u00c2\u00b3 b. Thuringiensis del filoplano y del suelo de cultivos de ma\u00ed\u00a3\u00c2\u00adz y fr\u00ed\u00a3\u00c2\u00adjol. Se recuperaron 214 aislamientos de 96 muestras de filoplano (0-34 cfu\/cm2) y 59 aislamientos de 24 muestras de suelo. Todos los aislamientos fueron caracterizados como se ha explicado anteriormente. Las poblaciones predominantes de b. Thuringiensis en el filoplano conten\u00ed\u00a3\u00c2\u00adan genes cry1 y eran activas contra spodoptera frugiperda, mientras que los aislamientos del suelo ten\u00ed\u00a3\u00c2\u00adan genes cry11 y eran activos contra culex quinquefasciatus. El hecho de que predominaran poblaciones espec\u00ed\u00a3\u00c2\u00adficas de b. Thuringiensis en las hojas diferentes a las del suelo sugiere que existe una selecci\u00ed\u00a3\u00c2\u00b3n diferencial en las poblaciones de b. Thuringiensis en el filoplano y en el suelo. Entonces, se investig\u00ed\u00a3\u00c2\u00b3 la capacidad de migraci\u00ed\u00a3\u00c2\u00b3n de b. Thuringiensis desde el suelo a las hojas. Se inocularon dos cepas diferente<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la ecolog\u00c1\u00a3\u00c2\u00ada de bacillus thuringiensis en la hoja<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la ecolog\u00c1\u00a3\u00c2\u00ada de bacillus thuringiensis en la hoja <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Pau Maduell Soler <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/12\/2007<\/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>Montserrat Llagostera<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jordi Barb\u00ed\u00a3(c) <\/li>\n<li> Garcia del pino Fernando (vocal)<\/li>\n<li>Emilio Montesinos (vocal)<\/li>\n<li>rosa Gabarra (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Pau Maduell Soler La ecolog\u00ed\u00a3\u00c2\u00ada de bacillus thuringiensis, un bioinsecticida muy com\u00ed\u00a3\u00c2\u00ban, es poco conocida. Nuestro principal [&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":[35],"tags":[137272,29222,137271,40602,137270,137273],"class_list":["post-62157","post","type-post","status-publish","format-standard","hentry","category-ciencias-de-la-vida","tag-emilio-montesinos","tag-garcia-del-pino-fernando","tag-jordi-barbic","tag-montserrat-llagostera","tag-pau-maduell-soler","tag-rosa-gabarra"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/62157","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=62157"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/62157\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=62157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=62157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=62157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}