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논문 기본 정보

자료유형
학술대회자료
저자정보
Kim, Tae-Hyung (Interdisciplinary program of bioinformatics, Pusan National University, Dept of Biology, College of Natural Sciences, Pusan National University) Kim, Dae-Soo (Interdisciplinary program of bioinformatics, Pusan National University, Dept of Biology, College of Natural Sciences, Pusan National University) Jeon, Yeo-Jin (Interdisciplinary program of bioinformatics, Pusan National University, Dept of Biology, College of Natural Sciences, Pusan National University) Cho, Hwan-Gue (Interdisciplinary program of bioinformatics, Pusan National University, ALGORIGENE, Bioinformatics Lab. Dept. Computer Science, Pusan National University) Kim, Heui-Soo (Interdisciplinary program of bioinformatics, Pusan National University, Dept of Biology, College of Natural Sciences, Pusan National University)
저널정보
한국생물정보시스템생물학회 한국생물정보시스템생물학회 학술대회 한국생물정보시스템생물학회 2003년도 제2차 연례학술대회 발표논문집
발행연도
2003.1
수록면
183 - 192 (10page)

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With the availability of complete whole-genomes such as the human, mouse, fugu and chimpanzee chromosome 22, comparative analysis of large genomes from cross-species at varying evolutionary distances is considered one of a powerful approach for identifying coding and functional non-coding sequences. Here we describe a fast and efficient global alignment method especially for large genomic regions over mega bases pair. We used an approach for identifying all similarity regions by HSP (Highest Segment Pair) regions using local alignments and then large syntenic genome based on the both extension of anchors at HSP regions in two species and global conservation map. Using this alignment approach, we examined rearrangement loci in human chromosome 21 and chimpanzee chromosome 22. Finally, we extracted syntenic genome 30 Mb of human chromosome 21 with chimpanzee chromosome 22, and then identified genomic rearrangements (deletions and insertions ranging h size from 0.3 to 200 kb). Our experiment shows that all jnsertion/deletion (indel) events in excess of 300 bp within chimpanzee chromosome 22 and human chromosome 21 alignments in order to identify new insertions that had occurred over the last 7 million years of evolution. Finally we also discussed evolutionary features throughout comparative analyses of Ka/ks (non-synonymous / synonymous substitutions) rate in orthologous 119 genes of chromosome 21 and 53 genes of MHC-I class in human and chimpanzee genome.

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