Dataset Information


Autosomal similarity revealed by eukaryotic genomic comparison.

ABSTRACT: To describe eukaryotic autosomes quantitatively and determine differences between them in terms of amino acid sequences of genes, functional classification of proteins, and complete DNA sequences, we applied two theoretical methods, the Proteome-vector method and the function of degree of disagreement (FDOD) method, that are based on function and sequence similarity respectively, to autosomes from nine eukaryotes. No matter what aspect of the autosome is considered, the autosomal differences within each organism were less than that between species. Our results show that eukaryotic autosomes resemble each other within a species while those from different organisms differ. We propose a hypothesis (named intra-species autosomal random shuffling) as an explanation for our results and suggest that lateral gene transfer (LGT) did not occur frequently during the evolution of eukarya.

PROVIDER: S-EPMC3456315 | BioStudies | 2004-01-01T00:00:00Z

REPOSITORIES: biostudies

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