Microsatellite Instability in Yeast: Dependence on the Length of the Microsatellite
AUTOR(ES)
Wierdl, M.
RESUMO
One of the most common microsatellites in eukaryotes consists of tandem arrays [usually 15-50 base pairs (bp) in length] of the dinucleotide GT. We examined the rates of instability for poly GT tracts of 15, 33, 51, 99 and 105 bp in wild-type and mismatch repair-deficient strains of Saccharomyces cerevisiae. Rates of instability increased more than two orders of magnitude as tracts increased in size from 15 to 99 bp in both wild-type and msh2 strains. The types of alterations observed in long and short tracts in wild-type strains were different in two ways. First, tracts >/=51 bp had significantly more large deletions than tracts
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1208050Documentos Relacionados
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