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Cambios en el bacteriana y eucariota intestinal en pacientes con blastocystis y clostridium difficile.

dc.contributor.advisorHerrera Ossa, Giovanny Andres
dc.creatorVega Romero, Laura Camila
dc.creator.degreeBiólogospa
dc.creator.degreetypeFull timespa
dc.date.accessioned2020-02-13T21:32:00Z
dc.date.available2020-02-13T21:32:00Z
dc.date.created2020-01-22
dc.descriptionDentro de los millones de microorganismos que componen la microbiota intestinal, Clostridium difficile y Blastocystis pueden tener un efecto modulador en diferentes maneras. El siguiente estudio tuvo como objetivo la descripción del bacterioma y eucarioma de cuatro grupos de pacientes: con coinfección por Blastocystis y C. difficile, infección únicamente por C. difficile, colonización únicamente por Blastocystis y pacientes libres de colonización/infección por estos microorganismos. Así mismo, se identificaron los subtipos de Blastocystis dentro de las muestras usando “amplicon sequencing” de los genes 16S-ARNr y 18S-ARNr. Los resultados obtenidos muestran que los subtipos más abundantes de Blastocystis fueron: ST1 (36,4%), ST3 (37,5%) y ST5 (19,3%). Aunque se ha propuesto que los ambientes de disbiosis previenen la colonización por Blastocystis, este estudio mostró una posible adaptación de Blastocystis a este escenario; gracias a los mecanismos de su hidrogenosoma y a los recursos que puede encontrar en este ambiente. De acuerdo con los resultados obtenidos, las diferencias significativas sobre la composición del bacterioma y eucarioma de los cuatro grupos se presentó sólo dentro de algunos géneros evaluados en el estudio. De esta manera, Blastocystis puede favorecer el aumento de poblaciones de bacterias benéficas de la microbiota, al cumplir con su rol predatorio. Lo anterior, ayudaría a esclarecer el estatus debatible de Blastocystis, inclinándose hacia la hipótesis de que podría ser un miembro benéfico para la microbiota intestinal. El presente estudio también brinda una visión holística sobre la competencia que existe entre los miembros de la microbiota bajo un escenario de disbiosis, especialmente en la competencia por recursos entre Blastocystis y algunos hongos. Este estudio contribuye al conocimiento de la composición de la microbiota y la interacciones de sus miembros.spa
dc.description.abstractWithin the thousands of microorganisms that make up the intestinal microbiota, Clostridium difficile and Blastocystis can have a modulatory effect in different ways. The following study aimed to describe the bacteriome and eucariome of four patient groups: with Blastocystis and Clostridium difficile, only with infection by C. difficile, only with colonization by Blastocystis and patients without colonization/infection by the aforementioned microorganisms. Likewise, we identified Blastocystis subtypes in the samples, using amplicon sequencing of 16S-rRNA, 18S-rRNA. We found ST1 (36.4%), ST3 (37.5%) and ST5 (19.3%) as the most abundant subtypes of Blastocystis within the samples. Although it has been proposed that dysbiosis environments prevent the colonization by Blastocystis, this study showed a possible adaptation of Blastocystis to this scenario; due to the mechanisms of its hydrogenosome and to the resources that can be found in this environment. Hence, Blastocystis can favor the increasement of populations of beneficial bacteria of the microbiota, by performing its predatory role. Thus, our results would help clarify the debatable status of Blastocystis, leaning towards the hypothesis that it could be a beneficial member of the intestinal microbiota. The present study can also provide a holistic insight into the competition that exists among members of the microbiota under a scenario of dysbiosis, especially in the competition for resources between Blastocystis and some fungi. This study contributes to improve our knowledge about the composition of the intestinal microbiota and the interactions of its members.spa
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dc.identifier.doihttps://doi.org/10.48713/10336_20872
dc.identifier.urihttps://repository.urosario.edu.co/handle/10336/20872
dc.language.isospaspa
dc.publisherUniversidad del Rosariospa
dc.publisher.departmentFacultad de Ciencias Naturales y Matemáticasspa
dc.publisher.programBiologíaspa
dc.rightsAtribución-NoComercial-SinDerivadas 2.5 Colombiaspa
dc.rights.accesRightsinfo:eu-repo/semantics/openAccess
dc.rights.accesoAbierto (Texto Completo)spa
dc.rights.licenciaEL AUTOR, manifiesta que la obra objeto de la presente autorización es original y la realizó sin violar o usurpar derechos de autor de terceros, por lo tanto la obra es de exclusiva autoría y tiene la titularidad sobre la misma.spa
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.5/co/
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dc.source.instnameinstname:Universidad del Rosariospa
dc.source.reponamereponame:Repositorio Institucional EdocURspa
dc.subjectBacteriomaspa
dc.subjectEucariomaspa
dc.subjectDisbiosisspa
dc.subject.ddcMicrobiologíaspa
dc.subject.keywordBlastocystisspa
dc.subject.keywordClostridium difficilespa
dc.subject.keywordBacteriomespa
dc.subject.keywordEucariomespa
dc.subject.keywordDysbiosisspa
dc.subject.lembBiotecnología microbianaspa
dc.subject.lembIntestino-Diversidad microbiana-Investigacionesspa
dc.subject.lembBacteriología intestinalspa
dc.subject.lembEnfermedades intestinalesspa
dc.subject.lembLixiviación de bacteriasspa
dc.titleCambios en el bacteriana y eucariota intestinal en pacientes con blastocystis y clostridium difficile.spa
dc.title.TranslatedTitleChanges in the bacterial and intestinal eukaryotic in patients with blastocystis and clostridium difficile.eng
dc.typebachelorThesiseng
dc.type.documentTrabajo de gradospa
dc.type.hasVersioninfo:eu-repo/semantics/acceptedVersion
dc.type.spaTrabajo de gradospa
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