alexa Identification of nine human-specific frameshift mutations by comparative analysis of the human and the chimpanzee genome sequences.
Bioinformatics & Systems Biology

Bioinformatics & Systems Biology

Journal of Computer Science & Systems Biology

Author(s): Hahn Y, Lee B

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Abstract MOTIVATION: The recent release of the draft sequence of the chimpanzee genome is an invaluable resource for finding genome-wide genetic differences that might explain phenotypic differences between humans and chimpanzees. AVAILABILITY: In this paper, we describe a simple procedure to identify potential human-specific frameshift mutations that occurred after the divergence of human and chimpanzee. The procedure involves collecting human coding exons bearing insertions or deletions compared with the chimpanzee genome and identification of homologs from other species, in support of the mutations being human-specific. Using this procedure, we identified nine genes, BASE, DNAJB3, FLJ33674, HEJ1, NTSR2, RPL13AP, SCGB1D4, WBSCR27 and ZCCHC13, that show human-specific alterations including truncations of the C-terminus. In some cases, the frameshift mutation results in gene inactivation or decay. In other cases, the altered protein seems to be functional. This study demonstrates that even the unfinished chimpanzee genome sequence can be useful in identifying modification of genes that are specific to the human lineage and, therefore, could potentially be relevant to the study of the acquisition of human-specific traits. This article was published in Bioinformatics and referenced in Journal of Computer Science & Systems Biology

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