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La estructura poblacional de dos grupos indígenas Guaymí de Costa Rica

Authors: Barrantes Mesén, Ramiro;

La estructura poblacional de dos grupos indígenas Guaymí de Costa Rica

Abstract

Fue llevado a cabo un estudio biomédico en dos poblaciones guaymi del sur de Costa Rica, Limoncito y Abrojo, que incluye datos biodemográficos y genéticos. Ambas poblaciones presentan patrones de dispersión espacial características que constituyen una adaptación exitosa al medio ambiente. Los grupos están en un periodo de intensa reproducción con promedios altos de hijos en familias completas (8,9 ± 3,0 en Limoncito y 6,9 ± 2,6 en Abrojo). El 50% de los pobladores tiene entre 0-15 años y la proporción sexual hallada indica la presencia de una mayor cantidad de mujeres. Existe una alta inmigración proveniente de distintos lugares de Panamá. La emigración es mínima. Predominan las uniones endogámicas y existe un alto porcentaje de poliginia. En 25 loci enzimáticos fueron detectados 17 monomórficos y 8 polimórficos, que incluyen 2 polimorfismos "privados", LDHB-GUA-1 y ACP1B-GUA-1, ambos con deficiencias en su actividad enzimática. Se discuten las implicaciones biomédicas y taxonómicas de estos hallazgos genéticos.

A biomedical study, which included biodemographic and genetic aspects was carried out in two Guaymi localities, Limoncito and Abrojo, in Southern Costa Rica. Both populations present typical spatial dispersal patterns indicating a successful adaptation to the environment. The two groups are in a highly prolific phase and have a large number of offspring in complete families (8,9 ± 3,0 in Limoncito and 6,9 ± 2,6 in Abrojo). Fifty percent of the prople are between 0-15 years old and the sexual ratio shows a higher proportion of females. There is a high immigration rate from various places in Panama. Emigration is very low. Endogamic matings are predominant and there is a high percentage of poligyny. In a total of 25 enzimatic loci, 17 were monomorphic and 8 were polymorphic, Including two "private" polyrmorphisms, LDHB-GUA-1 and ACP-B-GUA-1, both showing deficiencies in enzimatic activities. Biomedical and taxonomic implications of these findings are discussed.

UCR::Vicerrectoría de Investigación::Unidades de Investigación::Ciencias de la Salud::Instituto de Investigaciones en Salud (INISA)

artículo -- Universidad de Costa Rica, Instituto de Investigaciones en Salud (INISA). 1982

Universidad de Costa Rica. Hospital de Nacional de Niños.

Country
Costa Rica
Related Organizations
Keywords

Guaymi, Investigación demográfica, Distribución de población, Indicadores biodemográficos, Genética, Indicadores demográficos

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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