The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.
Complete Genome Structure of the Thermophilic Cyanobacterium Thermosynechococcus elongatus BP-1
Open accessAbstract
The entire genome of a thermophilic unicellular cyanobacterium, Thermosynechococcus elongatus BP-1, was sequenced. The genome consisted of a circular chromosome 2,593,857 bp long, and no plasmid was detected. A total of 2475 potential protein-encoding genes, one set of rRNA genes, 42 tRNA genes representing 42 tRNA species and 4 genes for small structural RNAs were assigned to the chromosome by similarity search and computer prediction. The translated products of 56% of the potential protein-encoding genes showed sequence similarity to experimentally identified and predicted proteins of known function, and the products of 34% of these genes showed sequence similarity to the translated products of hypothetical genes. The remaining 10% lacked significant similarity to genes for predicted proteins in the public DNA databases. Sixty-three percent of the T. elongatus genes showed significant sequence similarity to those of both Synechocystis sp. PCC 6803 and Anabaena sp. PCC 7120, while 22% of the genes were unique to this species, indicating a high degree of divergence of the gene information among cyanobacterial strains. The lack of genes for typical fatty acid desaturases and the presence of more genes for heat-shock proteins in comparison with other mesophilic cyanobacteria may be genomic features of thermophilic strains. A remarkable feature of the genome is the presence of 28 copies of group II introns, 8 of which contained a presumptive gene for maturase/reverse transcriptase. A trace of genome rearrangement mediated by the group II introns was also observed.
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“Previous studies have shown that a large proportion of the transposases and RTase constituted the long repeated sequences in some cyanobacteria.57–60”
From Whole genomic DNA sequencing and comparative genomic analysis of Arthrospira platensis: high genome plasticity and genetic diversity (2016) · cites this paper as [58]
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“Another significant characteristic of duplicated genes was that they were usually adjacently located or duplication-linked with a plenty of unknown functions, some of which can be annotated by one or two of the three enzymes (RTase, transposase, and integrase), and these duplicated fragments varied in size from several to dozens of kilobases.57–59”
From Whole genomic DNA sequencing and comparative genomic analysis of Arthrospira platensis: high genome plasticity and genetic diversity (2016) · cites this paper as [58]
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Metadata
- Authors
- Nakamura, Y.
- Affiliations
- Kazusa DNA Research Institute (JP)
- Corresponding author
- Nakamura, Y.
- ORCID
- Nakamura, Y.
- Venue
- DNA Research
- Publisher
- Oxford University Press (OUP)
- Published
- 2002-01-01
- Volume
- 9
- Issue
- 4
- Pages
- 123-130
- ISSN
- 1340-2838 (ISSN-L)
- OpenAlex
- W2132582054
- Cited by
- 352
- References
- 32
- Citations by year
- 2026: 3 · 2025: 4 · 2024: 7 · 2023: 12 · 2022: 10 · 2021: 4 · 2020: 13 · 2019: 6 · 2018: 7 · 2017: 12 · 2016: 13 · 2015: 9 · 2014: 15 · 2013: 20 · 2012: 18
- FWCI
- 11.01
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- DNA Research (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Photosynthetic Processes and Mechanisms
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
- Keywords
- Thermosynechococcus elongatus BP-1, thermophilic cyanobacteria, complete genome sequence, gene prediction, group II introns, genome rearrangement, heat shock proteins, Synechocystis sp. PCC 6803, Anabaena sp. PCC 7120
- MeSH terms
- Cyanobacteria, Molecular Sequence Data, Photosynthesis, Genome, Bacterial, Sequence Analysis, DNA
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