초고온성 아케아 써모커커스 NA1의 유전체 분석
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Title
- 초고온성 아케아 써모커커스 NA1의 유전체 분석
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Alternative Title
- Genomic Analysis of a Marine Hyperthermophilic Archaeon
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Author(s)
- 이정현
- KIOST Author(s)
- Lee, Jung Hyun(이정현)
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Alternative Author(s)
- 이정현
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Publication Year
- 2005-09-08
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Abstract
- An extremely thermophilic archaeal strain, NA1 was isolated and classified to be a member of genus Thermococcus by 16S rRNA gene sequences. It has been known that the members of Thermococcus are ubiquitously present in thermal ecosystems, especially in marine environnments. The NA1 strain was able to grow anaerobically at a hyperthermophilic range (70 – 90 °C) by reducing sulfur. We have carried out the whole genome shotgun sequencing of the Thermococcus sp. NA1 to search for thermostable enzymes and to understand the physiological characteristics of hyperthermophilic archae. The genome was composed of a single circular chromosome of which size and G+C content to be 1,846,670 bp and 51.85%, respectively. These values were very similar to those of typical Thermococcus species. The ORF prediction revealed that the NA1 genome contains annotatable 1,983 ORFs. Several genes encoding hyperthermophilic enzymes were cloned, expressed and characterized. And the comparative genomics is under way by comparison with the nearest neighbor, T. kodakaraensis KOD1 whole genome sequence was determined recently.
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/31345
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Bibliographic Citation
- 한국유전체학회 프로시딩, pp.36, 2005
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Publisher
- 한국유전체학회
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Type
- Conference
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Language
- English
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