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Georgina Espinosa López
University of Havana
15Publications
3H-index
69Citations
Publications 15
Newest
#1Alexander Llanes-Quevedo (UH: University of Havana)
#2María A. Gutiérrez Costa (UH: University of Havana)
Last.Georgina Espinosa López (UH: University of Havana)H-Index: 3
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Roseate Spoonbill (Platalea ajaja) feather samples were collected from nestlings in breeding colonies in the Birama Swamp (n = 34 individuals) and Sabana-Camaguey Archipelago (n = 38 individuals) of Cuba. Genetic diversity and structure were determined from nestling feather samples using five microsatellite loci, and sibling relationships and mating system were inferred. The number of alleles per locus ranged from two to eight, with an average of 5.6 alleles per locus and a total of 28 alleles, ...
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#2Dayana Ontivero-Vasallo (UH: University of Havana)
Last.Georgina Espinosa López (UH: University of Havana)H-Index: 3
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Las poblaciones humanas de Latinoamerica se caracterizan por estar mezcladas con aportes geneticos de indigenas, colonizadores europeos y africanos traidos como esclavos. Como resultado de esta mezcla, Ecuador posee una gran heterogeneidad en su poblacion. Esto ha sido de interes en el analisis de la variabilidad genetica de este pais. El objetivo de este trabajo fue caracterizar geneticamente individuos pertenecientes a la etnia Saraguro y habitantes de otros cantones de la provincia de Loja, E...
#1Michael A. RusselloH-Index: 26
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Entre los crocodylianos del Nuevo Mundo, Crocodylus rhombifer presenta la menor distribucion natural y es ademas uno de los mas amenazados. Esta especie endemica coexiste en Cuba con el cocodrilo americano (C. acutus), el segundo miembro del genero que habita en la isla. Ambas especies se hibridan, tanto en poblaciones naturales como en cautiverio. El presente estudio se centra en la caracterizacion genetica de poblaciones de Crocodylus que habitan en Cuba, mediante el empleo de marcadores nucle...
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The tomato (Solanum lycopersicum L.) is the most economically important vegetable worldwide and one of the most consumed vegetable in the world. It’s wild relatives are native of various habitats ranging from Ecuador, Peru, and Chile and have been employed to generate varieties adapted to specific biotic and abiotic factors worldwide. In order to evaluate the morphological and genetic variation in the germplasm collection at the National University of Loja (UNL) in Ecuador, four wild species wer...
#1Yoamel Milián-García (UH: University of Havana)H-Index: 3
#2Evelyn L. Jensen (UBC: University of British Columbia)H-Index: 7
Last.Michael A. Russello (UBC: University of British Columbia)H-Index: 26
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Conservation strategies can be most effective when factors influencing the persistence of populations are well-understood, including aspects of reproductive biology such as mating system. Crocodylians have been traditionally associated with a polygynous mating system, with genetic studies revealing multiple paternity of clutches in several species. The endemic Cuban crocodile, Crocodylus rhombifer, is currently listed as Critically Endangered, and is one of the least understood crocodylian speci...
1 CitationsSource
#1María del Carmen Luzardo Lorenzo (UH: University of Havana)
#2Georgina Espinosa López (UH: University of Havana)H-Index: 3
Last.Aisel Valle Garay (UH: University of Havana)
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El perfeccionamiento de los planes de estudio se concibe como un proceso continuo y una labor ininterrumpida de la Educacion Superior. La disciplina Bioquimica es el eje central de la Licenciatura en Bioquimica y Biologia Molecular y constituye la disciplina integradora del plan de estudios D. Biomoleculas y Tecnicas de Analisis Bioquimico (TAB) son las primeras asignaturas de la disciplina Bioquimica y de la carrera, que reciben los estudiantes en el cuarto semestre. En Biomoleculas se establec...
#1Yoamel Milián-García (UH: University of Havana)H-Index: 3
#2Evelyn L. JensenH-Index: 7
Last.Michael A. RusselloH-Index: 26
view all 7 authors...
Captive breeding is a widespread conservation strategy, yet such programs rarely include empirical genetic data for assessing management assumptions and meeting conservation goals. Cuban Amazon parrots (Amazona leucocephala) are considered vulnerable, and multiple onisland captive populations have been established from wild-caught and confiscated individuals of unknown ancestry. Here, we used mitochondrial haplotypic and nuclear genotypic data at 9 microsatellite loci to quantify the extent and ...
3 CitationsSource
#2Georgina Espinosa López (UH: University of Havana)H-Index: 3
Last.Yoamel Milián-García (UH: University of Havana)H-Index: 3
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Con el objetivo de evaluar la variacion morfologica y la resistencia a Fusarium oxysporum en la coleccion del banco de germoplasma de la Universidad Nacional de Loja (UNL), 146 accesiones de cuatro especies silvestres fueron seleccionadas (Solanum pimpinellifolium, S. neorickii, S. habrochaites, S. lycopersicum var. cerasiforme); y, 20 accesiones de tomate cultivado (S. lycopersicum). Un total de 723 plantulas se transplantaron al campo y se evaluaron morfologicamente durante todo su ciclo biolo...
2 CitationsSource
Last.Yoamel Milián-García (National University of Colombia)
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In order to evaluate the morphological variation and Fusarium oxysporum resistance in the National University of Loja (UNL) genebank collection, 146 wild accessions of four species were selected (Solanum pimpinellifolium, S. neorickii, S. habrochaites , S. lycopersicum var. cerasiforme) and 20 accessions of cultivated tomato (S. lycopersicum). For a total of 723 seedlings were transplanted to the field and evaluated morphologically throughout its life cycle, with a descriptor that included 20 qu...
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The cultivated tomato (Solanum lycopersicum L.) is one of the most important vegetable worldwide. Cultivars have been bred using wild species genetic resources. The wild tomato species S. pimpinellifolium and S. lycopersicum var. cerasiforme are widely distributed in Ecuador. These species have been used in tomato breeding programs. We characterized them with microsatellite markers, using 23 microsatellite loci in 61 individuals of S. lycopersicum var. cerasiforme from three locations, and 25 mi...
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