The correlation between recombination rate and dinucleotide bias in Drosophila melanogaster.
Revealing how recombination affects genomic sequence is of great significance to our understanding of genome evolution. The present paper focuses on the correlation between recombination rate and dinucleotide bias in Drosophila melanogaster genome. Our results show that the overall dinucleotide bias is positively correlated with recombination rate for genomic sequences including untranslated regions, introns, intergenic regions, and coding sequences. The correlation patterns of individual dinucleotide biases with recombination rate are presented. Possible mechanisms of interaction between recombination and dinucleotide bias are discussed. Our data indicate that there may be a genome-wide universal mechanism acting between recombination rate and dinucleotide bias, which is likely to be neighbor-dependent biased gene conversion.
Liu
Guoqing
G
School of Physical Science and Technology, Inner Mongolia University, Hohhot 010021, China.
Li
Hong
H
D000818:Animals; D015982:Bias; D004247:DNA / Q000235:genetics; D004331:Drosophila melanogaster / Q000235:genetics*; D014644:Genetic Variation; D009711:Nucleotides / Q000235:genetics*; D016366:Open Reading Frames / Q000235:genetics; D011995:Recombination, Genetic / Q000235:genetics*; D018401:Sample Size; D018709:Statistics, Nonparametric
D009711:Nucleotides; D004247:DNA
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