Molecular variability in Amerindians: widespread but uneven information

Molecular variability in Amerindians: widespread but uneven information

A review was made in relation to the molecular variability present in North, Central, and South American Indian populations. It involved results from ancient DNA, mitochondrial DNA in extant populations, HLA and other autosomal markers, X and Y chromosome variation, as well as data from parasitic viruses which could show coevolutionary changes. The questions considered were their origin, ways in which the early colonization of the continent took place, types and levels of the variability which developed, peculiarities of the Amerindian evolutionary processes, and eventual genetic heterogeneity which evolved in different geographical areas. Although much information is already available, it is highly heterogeneous in relation to populations and types of genetic systems investigated. Unfortunately, the present trend of favoring essentially applied research suggest that the situation will not basically improve in the future.

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Main Author: SALZANO,FRANCISCO M.
Format: Digital revista
Language:English
Published: Academia Brasileira de Ciências 2002
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652002000200005
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spelling oai:scielo:S0001-376520020002000052002-07-17Molecular variability in Amerindians: widespread but uneven informationSALZANO,FRANCISCO M. amerindians genetic polymorphisms population genetic variability human microevolution A review was made in relation to the molecular variability present in North, Central, and South American Indian populations. It involved results from ancient DNA, mitochondrial DNA in extant populations, HLA and other autosomal markers, X and Y chromosome variation, as well as data from parasitic viruses which could show coevolutionary changes. The questions considered were their origin, ways in which the early colonization of the continent took place, types and levels of the variability which developed, peculiarities of the Amerindian evolutionary processes, and eventual genetic heterogeneity which evolved in different geographical areas. Although much information is already available, it is highly heterogeneous in relation to populations and types of genetic systems investigated. Unfortunately, the present trend of favoring essentially applied research suggest that the situation will not basically improve in the future.info:eu-repo/semantics/openAccessAcademia Brasileira de CiênciasAnais da Academia Brasileira de Ciências v.74 n.2 20022002-06-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652002000200005en10.1590/S0001-37652002000200005
institution SCIELO
collection OJS
country Brasil
countrycode BR
component Revista
access En linea
databasecode rev-scielo-br
tag revista
region America del Sur
libraryname SciELO
language English
format Digital
author SALZANO,FRANCISCO M.
spellingShingle SALZANO,FRANCISCO M.
Molecular variability in Amerindians: widespread but uneven information
author_facet SALZANO,FRANCISCO M.
author_sort SALZANO,FRANCISCO M.
title Molecular variability in Amerindians: widespread but uneven information
title_short Molecular variability in Amerindians: widespread but uneven information
title_full Molecular variability in Amerindians: widespread but uneven information
title_fullStr Molecular variability in Amerindians: widespread but uneven information
title_full_unstemmed Molecular variability in Amerindians: widespread but uneven information
title_sort molecular variability in amerindians: widespread but uneven information
description A review was made in relation to the molecular variability present in North, Central, and South American Indian populations. It involved results from ancient DNA, mitochondrial DNA in extant populations, HLA and other autosomal markers, X and Y chromosome variation, as well as data from parasitic viruses which could show coevolutionary changes. The questions considered were their origin, ways in which the early colonization of the continent took place, types and levels of the variability which developed, peculiarities of the Amerindian evolutionary processes, and eventual genetic heterogeneity which evolved in different geographical areas. Although much information is already available, it is highly heterogeneous in relation to populations and types of genetic systems investigated. Unfortunately, the present trend of favoring essentially applied research suggest that the situation will not basically improve in the future.
publisher Academia Brasileira de Ciências
publishDate 2002
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652002000200005
work_keys_str_mv AT salzanofranciscom molecularvariabilityinamerindianswidespreadbutuneveninformation
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