Abstract
The X chromosome is a singular source of information in population genetics, anthropological research and in forensic cases. Thus, many researchers have been interested in characterizing X chromosome markers in different populations. The Brazilian Genetic Database of Chromosome X (BGBX--Banco Genético Brasileiro do Cromossomo X) website is freely available in Portuguese and English versions and was developed with the main purpose of compiling all Brazilian population genetic data for X chromosome short tandem repeats (X-STRs) markers published in scientific journals searchable via PubMed. Furthermore, this database presents other relevant information concerning X-STRs, such as genetic and physical locations, allele structure, nomenclature, mutation rates, primers described in the literature and likelihood ratio calculation. The entire scientific community is now encouraged to submit their X-STR population genetic data to this website, available at http://www.bgbx.com.br. Regarding future prospects of BGBX, the authors intend to expand the website with data and information of X-linked insertion-deletion polymorphisms.
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