Conservando el gigante del Caribe: Ensamblaje denovo del Genoma del Mero Guasa (Epinephelus itajara) y su estructura poblacional, en el PNN Corales del Rosario y de San Bernardo

Epinephelus itajara, conocido como Mero guasa, es la especie más grande de la familia Epinephelidae y se encuentra en peligro crítico de extinción. Esta especie es de gran importancia ecológica, cultural y económica, y ha sido objeto de esfuerzos de reproducción en cautiverio en el Oceanario de las...

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Autores:
Jácome Castro, Juan Esteban
Tipo de recurso:
Trabajo de grado de pregrado
Fecha de publicación:
2025
Institución:
Universidad de los Andes
Repositorio:
Séneca: repositorio Uniandes
Idioma:
spa
OAI Identifier:
oai:repositorio.uniandes.edu.co:1992/75891
Acceso en línea:
https://hdl.handle.net/1992/75891
Palabra clave:
Mero guasa
Epinephelus itajara
Cría en cautiverio
Genómica
Ensamble
Biología
Rights
openAccess
License
Attribution-ShareAlike 4.0 International
id UNIANDES2_e4edfde04e84ce1d5510e37527590a67
oai_identifier_str oai:repositorio.uniandes.edu.co:1992/75891
network_acronym_str UNIANDES2
network_name_str Séneca: repositorio Uniandes
repository_id_str
dc.title.spa.fl_str_mv Conservando el gigante del Caribe: Ensamblaje denovo del Genoma del Mero Guasa (Epinephelus itajara) y su estructura poblacional, en el PNN Corales del Rosario y de San Bernardo
title Conservando el gigante del Caribe: Ensamblaje denovo del Genoma del Mero Guasa (Epinephelus itajara) y su estructura poblacional, en el PNN Corales del Rosario y de San Bernardo
spellingShingle Conservando el gigante del Caribe: Ensamblaje denovo del Genoma del Mero Guasa (Epinephelus itajara) y su estructura poblacional, en el PNN Corales del Rosario y de San Bernardo
Mero guasa
Epinephelus itajara
Cría en cautiverio
Genómica
Ensamble
Biología
title_short Conservando el gigante del Caribe: Ensamblaje denovo del Genoma del Mero Guasa (Epinephelus itajara) y su estructura poblacional, en el PNN Corales del Rosario y de San Bernardo
title_full Conservando el gigante del Caribe: Ensamblaje denovo del Genoma del Mero Guasa (Epinephelus itajara) y su estructura poblacional, en el PNN Corales del Rosario y de San Bernardo
title_fullStr Conservando el gigante del Caribe: Ensamblaje denovo del Genoma del Mero Guasa (Epinephelus itajara) y su estructura poblacional, en el PNN Corales del Rosario y de San Bernardo
title_full_unstemmed Conservando el gigante del Caribe: Ensamblaje denovo del Genoma del Mero Guasa (Epinephelus itajara) y su estructura poblacional, en el PNN Corales del Rosario y de San Bernardo
title_sort Conservando el gigante del Caribe: Ensamblaje denovo del Genoma del Mero Guasa (Epinephelus itajara) y su estructura poblacional, en el PNN Corales del Rosario y de San Bernardo
dc.creator.fl_str_mv Jácome Castro, Juan Esteban
dc.contributor.advisor.none.fl_str_mv Caballero Gaitán, Susana Josefina
Duitama Castellanos, Jorge Alexander
Martínez, José Gregorio
dc.contributor.author.none.fl_str_mv Jácome Castro, Juan Esteban
dc.contributor.other.none.fl_str_mv Rojas Ruiz, Jaime Alberto
Quiroga Camacho, Diego Alejandro
Hakim de la Torre, Nadine
dc.contributor.jury.none.fl_str_mv Crawford, Andrew Jackson
dc.contributor.researchgroup.none.fl_str_mv Facultad de Ciencias::Laboratorio de Ecologia Molecular de Vertebrados Acuaticos
dc.subject.keyword.spa.fl_str_mv Mero guasa
Epinephelus itajara
Cría en cautiverio
Genómica
Ensamble
topic Mero guasa
Epinephelus itajara
Cría en cautiverio
Genómica
Ensamble
Biología
dc.subject.themes.spa.fl_str_mv Biología
description Epinephelus itajara, conocido como Mero guasa, es la especie más grande de la familia Epinephelidae y se encuentra en peligro crítico de extinción. Esta especie es de gran importancia ecológica, cultural y económica, y ha sido objeto de esfuerzos de reproducción en cautiverio en el Oceanario de las Islas del Rosario, Colombia. Sin embargo, su estructura genética, adaptaciones evolutivas y dinámica poblacional son aún poco comprendidas en Colombia. Este estudio presenta un genoma de referencia con pseudocromosomas para E. itajara, obtenido mediante la tecnología de secuenciación PacBio HiFi. El genoma ensamblado tiene un tamaño aproximado de 1.1 Gb, con un contig N50 de 42.69 Mb y un scaffold N50 de 46.83 Mb. Fueron identificados 22,682 genes que codifican para proteínas después de enmascarar el 46% del genoma compuesto por elementos repetitivos. Además, se realizó un análisis de genómica poblacional utilizando 7,706 SNPs de alta calidad para evaluar la estructura genética de las poblaciones en cautiverio. Los resultados revelaron cuatro linajes genéticos diferenciados, con un flujo génico limitado entre ellos. En Colombia se identificaron dos linajes únicos, asociados a las localidades de Bahía Cispatá y Bahía Barbacoas, lo que sugiere un posible aislamiento geográfico. Estos recursos genómicos abren nuevas oportunidades y proporcionan herramientas valiosas para comprender la diversidad genética, la historia evolutiva y los mecanismos reproductivos de E. itajara, así como para diseñar estrategias de conservación, incluyendo programas de reproducción selectiva para aumentar la diversidad genética en cautiverio y guiar los esfuerzos de restauración en su hábitat natural.
publishDate 2025
dc.date.accessioned.none.fl_str_mv 2025-01-31T13:34:56Z
dc.date.available.none.fl_str_mv 2025-01-31T13:34:56Z
dc.date.issued.none.fl_str_mv 2025-01-26
dc.type.none.fl_str_mv Trabajo de grado - Pregrado
dc.type.driver.none.fl_str_mv info:eu-repo/semantics/bachelorThesis
dc.type.version.none.fl_str_mv info:eu-repo/semantics/acceptedVersion
dc.type.coar.none.fl_str_mv http://purl.org/coar/resource_type/c_7a1f
dc.type.content.none.fl_str_mv Text
dc.type.redcol.none.fl_str_mv http://purl.org/redcol/resource_type/TP
format http://purl.org/coar/resource_type/c_7a1f
status_str acceptedVersion
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/1992/75891
dc.identifier.instname.none.fl_str_mv instname:Universidad de los Andes
dc.identifier.reponame.none.fl_str_mv reponame:Repositorio Institucional Séneca
dc.identifier.repourl.none.fl_str_mv repourl:https://repositorio.uniandes.edu.co/
url https://hdl.handle.net/1992/75891
identifier_str_mv instname:Universidad de los Andes
reponame:Repositorio Institucional Séneca
repourl:https://repositorio.uniandes.edu.co/
dc.language.iso.none.fl_str_mv spa
language spa
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dc.publisher.department.none.fl_str_mv Departamento de Ciencias Biológicas
publisher.none.fl_str_mv Universidad de los Andes
institution Universidad de los Andes
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spelling Caballero Gaitán, Susana Josefinavirtual::22950-1Duitama Castellanos, Jorge Alexandervirtual::22951-1Martínez, José GregorioJácome Castro, Juan EstebanRojas Ruiz, Jaime AlbertoQuiroga Camacho, Diego AlejandroHakim de la Torre, NadineCrawford, Andrew JacksonFacultad de Ciencias::Laboratorio de Ecologia Molecular de Vertebrados Acuaticos2025-01-31T13:34:56Z2025-01-31T13:34:56Z2025-01-26https://hdl.handle.net/1992/75891instname:Universidad de los Andesreponame:Repositorio Institucional Sénecarepourl:https://repositorio.uniandes.edu.co/Epinephelus itajara, conocido como Mero guasa, es la especie más grande de la familia Epinephelidae y se encuentra en peligro crítico de extinción. Esta especie es de gran importancia ecológica, cultural y económica, y ha sido objeto de esfuerzos de reproducción en cautiverio en el Oceanario de las Islas del Rosario, Colombia. Sin embargo, su estructura genética, adaptaciones evolutivas y dinámica poblacional son aún poco comprendidas en Colombia. Este estudio presenta un genoma de referencia con pseudocromosomas para E. itajara, obtenido mediante la tecnología de secuenciación PacBio HiFi. El genoma ensamblado tiene un tamaño aproximado de 1.1 Gb, con un contig N50 de 42.69 Mb y un scaffold N50 de 46.83 Mb. Fueron identificados 22,682 genes que codifican para proteínas después de enmascarar el 46% del genoma compuesto por elementos repetitivos. Además, se realizó un análisis de genómica poblacional utilizando 7,706 SNPs de alta calidad para evaluar la estructura genética de las poblaciones en cautiverio. Los resultados revelaron cuatro linajes genéticos diferenciados, con un flujo génico limitado entre ellos. En Colombia se identificaron dos linajes únicos, asociados a las localidades de Bahía Cispatá y Bahía Barbacoas, lo que sugiere un posible aislamiento geográfico. Estos recursos genómicos abren nuevas oportunidades y proporcionan herramientas valiosas para comprender la diversidad genética, la historia evolutiva y los mecanismos reproductivos de E. itajara, así como para diseñar estrategias de conservación, incluyendo programas de reproducción selectiva para aumentar la diversidad genética en cautiverio y guiar los esfuerzos de restauración en su hábitat natural.PADI FoundationPregrado30 páginasapplication/pdfspaUniversidad de los AndesBiologíaFacultad de CienciasDepartamento de Ciencias BiológicasAttribution-ShareAlike 4.0 Internationalhttp://creativecommons.org/licenses/by-sa/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Conservando el gigante del Caribe: Ensamblaje denovo del Genoma del Mero Guasa (Epinephelus itajara) y su estructura poblacional, en el PNN Corales del Rosario y de San BernardoTrabajo de grado - Pregradoinfo:eu-repo/semantics/bachelorThesisinfo:eu-repo/semantics/acceptedVersionhttp://purl.org/coar/resource_type/c_7a1fTexthttp://purl.org/redcol/resource_type/TPMero guasaEpinephelus itajaraCría en cautiverioGenómicaEnsambleBiologíaSouth Atlantic Fishery Management Council (SAFMC). 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