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KMID : 0381120070290030279
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Genes and Genomics
2007 Volume.29 No. 3 p.279 ~ p.287
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Molecular Relationship of Hylobates Based on Alu Elements of the Y Chromosome
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Hong Kyung-Won
Hur Jae-Won
Kim Dae-Soo
Ha Hong-Seok
Kim Heui-Soo
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Abstract
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The phylogenetic relationship among the subgenus Hylobates has been debated by morphological and molecular data. We examined such relationship by comparing nucleotide sequences of a Y chromosomal gene, translation initiation factor 1A Y chromosome (EIF1AY), in humans, chimpanzees, gorillas, orangutans and five species of gibbons (white-handed gibbon, agile gibbon, kloss’s gibbon, muller’s gibbon, pileated gibbon) using PCR amplification and sequencing. Among hominoid primates, gibbons alone contained Alu elements in their EIF1AY gene of the Y chromosome. In addition, new diagnostic mutation sites named AluYHy as new Alu member were identified in gibbons. Phylogenetic analysis of AluYHy sequences indicated a sister relationship between H. lar and H. klossii. These suggest that the new AluYHy of Y chromosome can be use for understanding gibbon phylogeny and evolution.
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KEYWORD
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gibbons, AluYHy, EIF1AY, Y chromosome, phylogeny
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