{"id":26001,"date":"2018-03-09T09:17:37","date_gmt":"2018-03-09T09:17:37","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/systematique-et-philogenie-de-plathelminthes-parasites-trematoda-et-cestoda-apport-des-etudes-ultrastructurales-de-la-reproduction\/"},"modified":"2018-03-09T09:17:37","modified_gmt":"2018-03-09T09:17:37","slug":"systematique-et-philogenie-de-plathelminthes-parasites-trematoda-et-cestoda-apport-des-etudes-ultrastructurales-de-la-reproduction","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/systematique-et-philogenie-de-plathelminthes-parasites-trematoda-et-cestoda-apport-des-etudes-ultrastructurales-de-la-reproduction\/","title":{"rendered":"Syst\u00e9matique et philog\u00e9nie de plathelminthes parasites (trematoda et cestoda): apport des \u00e9tudes ultrastructurales de la reproduction"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ibnou Ndiaye Papa <\/strong><\/h2>\n<p>El estudio contribuye a aumentar el nivel de conocimientos sobre la ultraestructura de la espermiog\u00e9nesis y del espermatozoide de los platelmintos par\u00e1sitos. se incide principalmente en los caracteres m\u00e1s \u00fatiles en la sistem\u00e1tica, taxonom\u00eda y filogenia de este grupo. Para ello se analiza la ultraestructura de la espermiog\u00e9nesis y del espermatozoide de siete platelmintos: cuatro dig\u00e9nidos (scaphiostomum palaercticum, fasciola hep\u00e1tica, fasciola gigantica y notocotylus neyrai) y tres cestodos cyclophyllidea (joyeuxiella pasqualei, joyeuxiella echinorhynchoides y taenia parva).  el estudio de s.Palearcticum representa el primer an\u00e1lisis ultraestructural de un representante de la subfamilia ityogoniminae (brachylaimidae). El estudio de n.Neyrai es el primero en la familia notocotylidae. Se compara la ultraestructura de la espermiog\u00e9nesis y del espermatozoide de f.Hep\u00e1tica con f.Gigantica mediante microscop\u00eda electr\u00f3nica de transmisi\u00f3n, de barrido y mediante la t\u00e9cnica de whole mount. Tambi\u00e9n se analiza el patr\u00f3n de distribuci\u00f3n de la tubulina en el citoesqueleto microtubular de f.Hep\u00e1tica mediante el uso de distintas anti-tubulinas monoclonales (anti-alfa, anti-beta, anti-acetilada y anti-tirosinada).  se establece el patr\u00f3n general de la espermiog\u00e9nesis para el g\u00e9nero joyeuxiella y para la familia dipylidiidae. En el caso de t.Parva el estudio contribuye a caracterizar ultraestructuralmente el espermatozoide de las especies del g\u00e9nero taenia.  se revisan ciertos caracteres ultraestructurales de los dig\u00e9nidos como la ornamentaci\u00f3n membranar, las expansiones citoplasm\u00e1ticas y los cuerpos espinosos. En cuanto a los cestodos, la formaci\u00f3n durante la espermiog\u00e9nesis de la vaina periazonemal se describe por primera vez para el caso de joyeuxiella spp. Adem\u00e1s, se aborda la discusi\u00f3n al respecto de ciertos caracteres presentes en los distintos patrones espermiogen\u00e9ticos, como son las raices estriadas, el cuerpo inte<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Syst\u00e9matique et philog\u00e9nie de plathelminthes parasites (trematoda et cestoda): apport des \u00e9tudes ultrastructurales de la reproduction<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Syst\u00e9matique et philog\u00e9nie de plathelminthes parasites (trematoda et cestoda): apport des \u00e9tudes ultrastructurales de la reproduction <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ibnou Ndiaye Papa <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/09\/2003<\/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>Jordi Miquel Colome<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: diego Carlos Guevara benitez <\/li>\n<li>zdzislaw Swiderski (vocal)<\/li>\n<li>xavier Mattei (vocal)<\/li>\n<li>nuria Cortadellas ramentol (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ibnou Ndiaye Papa El estudio contribuye a aumentar el nivel de conocimientos sobre la ultraestructura de la 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