Genomic DNA shuffling in archaebacteria : Comparison of the genomes of two Pyrococcus species
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概要
- 論文の詳細を見る
The complete genomic DNA sequence of a hyperthermophilic archaebacterium, Pyrococcus sp. OT3, of the length of 1, 738, 505bp (Kawarabayasi et al., 1998, DNA Res. 5, 55-57) has been compared with the nearly complete genomic DNA sequence of a related species, Pyrococcus furiosus, of the length of 1, 744, 644bp (deposited in the Utah genome center database, http://www.genome.utah.edu). Approximately 60 segments of the lengths close to 20kbp on average are idendified to be shared by the two genomes but in different orders. Approximately half of the segments are oriented in the opposite directions in the two genomes. Approximately two thirds of the segments are found relatively shifted in the two genomes only by 200kbp or shorter. It is likely that translocation of DNA segments has been one of the important mechanisms to drive the evolution of archaebacterial genomes.
- 日本学士院の論文
著者
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Suzuki Masashi
AIST-NIBHT Structural Biology Centre
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SUCKOW Jörg
AIST-NIBHT CREST Centre of Structural Biology
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SUZUKI Masashi
AIST-NIBHT CREST Centre of Structural Biology
関連論文
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- Archaebacterial ribosome is a chimera of eubacterial-type RNAs and eukaryotic-type proteins.
- Distribution and orientation of genes in the genome of Pyrococcus OT3
- Prophages inserted in archaebacterial genomes
- Comparison of archaebacterial central metabolic pathways using the genomic DNA sequences
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- Comparison of pathways for amino acid biosynthesis in archaebacteria using their genomic DNA sequences
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- An outline of an informatical method for identifying the complete set of genes using the DNA sequence of a whole genome