Article
ACT: the Artemis Comparison Tool.
Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, CB10 1SA, UK.
Bioinformatics (impact factor:
5.47).
09/2005;
21(16):3422-3.
DOI:10.1093/bioinformatics/bti553
Source: PubMed
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Citations (0)
- Cited In (273)
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Article: Comparative genomics of Blattabacterium cuenoti: the frozen legacy of an ancient endosymbiont genome.
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ABSTRACT: Many insect species have established long-term symbiotic relationships with intracellular bacteria. Symbiosis with bacteria has provided insects with novel ecological capabilities, which have allowed them colonize previously unexplored niches. Despite its importance to the understanding of the emergence of biological complexity, the evolution of symbiotic relationships remains hitherto a mystery in evolutionary biology. In this study, we contribute to the investigation of the evolutionary leaps enabled by mutualistic symbioses by sequencing the genome of Blattabacterium cuenoti, primary endosymbiont of the omnivorous cockroach Blatta orientalis and one of the most ancient symbiotic associations. We perform comparative analyses between B. cuenoti genome with that of previously sequenced endosymbionts, namely those from the omnivorous hosts Blattella germanica (Blattelidae) and Periplaneta americana (Blattidae), and the endosymbionts harbored by two wood-feeding hosts, the subsocial cockroach Cryptocercus punctulatus (Cryptocercidae) and the termite Mastotermes darwiniensis (Termitidae). Our study shows a remarkable evolutionary stasis of this symbiotic system throughout the evolutionary history of cockroaches and the deepest branching termite M. darwiniensis, not only in terms of chromosome architecture but also in gene content, as revealed by the striking conservation of the Blattabacterium core genome. Importantly, the architecture of central metabolic network inferred from the endosymbiont genomes was established very early in Blattabacterium evolutionary history and could be an outcome of the essential role played by this endosymbiont in the host's nitrogen economy.Genome Biology and Evolution 01/2013; · 4.62 Impact Factor -
Article: Characterization and Genome Sequencing of Phage Abp1, a New phiKMV-Like Virus Infecting Multidrug-Resistant Acinetobacter baumannii.
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ABSTRACT: While screening for alternative antibiotics against multidrug-resistant Acinetobacter baumannii, we isolated a virulent A. baumannii bacteriophage Abp1. Transmission electron microscopy revealed that the phage had an icosahedral head with a short tail and should be classified as a member of the Podoviridae family. SDS-PAGE showed that Abp1 contained at least one major and nine minor proteins. In a single-step growth test, we demonstrated that Abp1 had a latent period of 10 min and a burst size of 350. Abp1 also had a relatively narrow host range. The entire genome was sequenced, and the final assembly yielded a 42,185 bp, linear, double-stranded DNA molecule with a G+C content of 39.15 % and containing 54 putative genes. Among these genes, 26 were functionally known, leaving 28 unknown putative genes. Abp1 is a new member of the phiKMV-like virus subgroup of the T7 group; its genome sequence is very similar to that of the A. baumannii phage phiAB1.Current Microbiology 01/2013; · 1.82 Impact Factor -
Article: Comparative Genomic Analysis of Phylogenetically Closely-Related Hydrogenobaculum sp. from Yellowstone National Park.
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ABSTRACT: We describe the complete genome sequences of four closely related Hydrogenobaculum sp. isolates (> 99.7% 16S rRNA gene identity) that were isolated from the outflow channel of Dragon Spring (DS), Norris Geyser Basin in Yellowstone National Park (YNP), WY, USA. The genomes range in size from 1,552,607 to 1,552,931 bp, contain 1667 to 1676 predicted genes, and are highly syntenic. There are subtle differences among the DS isolates, which as a group are different from Hydrogenobaculum sp. strain Y04AAS1 that was previously isolated from a geographically distinct YNP geothermal feature. Genes unique to the DS genomes encode arsenite (AsIII) oxidation, NADH/Ubiquinone/plastoquinone (complex I), NADH-ubiquinone oxidoreductase chain, a DNA photolyase, and elements of a Type II secretion system. Functions unique to strain Y04AAS1 include thiosulfate metabolism, nitrate respiration, and mercury resistance determinants. DS genomes contain seven CRISPR loci that are almost identical, but are different from the single CRISPR locus in strain Y04AAS1. Other DS x Y04AAS1 genome differences include average nucleotide identity (94.764%) and percentage conserved DNA (80.552%). Approximately half of the genes unique to Y04AAS1 are predicted to have been acquired via horizontal gene transfer. Fragment recruitment analysis and marker gene searches demonstrated that the DS metagenome was more similar to the DS genomes than to the Y04AAS1 genome, but that the DS community is likely comprised of a continuum of Hydrogenobaculum genotypes that span from the DS genomes described here to an Y04AAS1-like organism, which appears to represent a distinct ecotype relative to the DS genomes characterized.Applied and environmental microbiology 02/2013; · 3.69 Impact Factor
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Keywords
Artemis Comparison Tool
Artemis components
Artemis distribution
base-pair differences
comparison data
comparisons
complete genome sequences
different programs
genomic DNA sequences
insertions
Java
Mummer comparisons
open source
orthologue tables
rearrangements
reciprocal FASTA comparison
regions
sequences
TBLASTX
Windows
