Dataset Information

Comparative Genomic Analysis of Acheta domesticus Densovirus Isolates from Different Outbreaks in Europe, North America, and Japan.

ABSTRACT: The first densovirus from a cricket, Acheta domesticus densovirus (AdDNV) (Parvoviridae), was isolated in Europe in 1977 and has been studied previously. We compared seven additional AdDNV genomes isolated from 4 other European outbreaks, 2 major North American outbreaks, and a Japanese outbreak. Phylogenetic analysis suggested that the 2009 Japanese and North American outbreaks were not related.

SUBMITTER: Pham HT

PROVIDER: S-EPMC3744687 | biostudies-literature | 2013 Aug

REPOSITORIES: biostudies-literature

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Comparative Genomic Analysis of Acheta domesticus Densovirus Isolates from Different Outbreaks in Europe, North America, and Japan.

Pham Hanh T HT Iwao Hajime H Szelei Jozsef J Li Yi Y Liu Kaiyu K Bergoin Max M Tijssen Peter P

Genome announcements 20130815 4

The first densovirus from a cricket, Acheta domesticus densovirus (AdDNV) (Parvoviridae), was isolated in Europe in 1977 and has been studied previously. We compared seven additional AdDNV genomes isolated from 4 other European outbreaks, 2 major North American outbreaks, and a Japanese outbreak. Phylogenetic analysis suggested that the 2009 Japanese and North American outbreaks were not related. ...[more]

PMID: 23950131

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Project description:BackgroundSeveral lines of evidence including allozyme analysis, restriction digest patterns and sequencing of mtDNA as well as mini- and micro-satellite allele frequencies indicate that Atlantic salmon (Salmo salar) from North America and Europe are genetically distinct. These observations are supported by karyotype analysis, which revealed that North American Atlantic salmon have 27 pairs of chromosomes whereas European salmon have 29 pairs. We set out to construct a linkage map for a North American Atlantic salmon family and to compare this map with the well developed map for European Atlantic salmon.ResultsWe used microsatellite markers, which had previously been mapped in the two Atlantic salmon SALMAP mapping families from the River Tay, Scotland, to carry out linkage analysis in an Atlantic salmon family (NB1) whose parents were derived from the Saint John River stock in New Brunswick, Canada. As large differences in recombination rates between female and male Atlantic salmon have been noted, separate genetic maps were constructed for each sex. The female linkage map comprises 218 markers in 37 linkage groups while the male map has 226 markers in 28 linkage groups. We combined 280 markers from the female and male maps into 27 composite linkage groups, which correspond to the haploid number of chromosomes in Atlantic salmon from the Western Atlantic.ConclusionsA comparison of the composite NB1 and SALMAP linkage maps revealed the reason for the difference in the chromosome numbers between European and North American Atlantic salmon: Linkage groups AS-4 and AS-32 in the Scottish salmon, which correspond to chromosomes Ssa-6 and Ssa-22, are combined into a single NB1 linkage group as are linkage groups AS-21 and AS-33 (corresponding to chromosomes Ssa-26 and Ssa-28). The comparison of the linkage maps also suggested some additional chromosomal rearrangements, but it will require finer mapping, potentially using SNPs, to test these predictions. Our results provide the first comparison of the genomic architecture of Atlantic salmon from North America and Europe with respect to chromosome organization.

Dataset Information

Comparative Genomic Analysis of Acheta domesticus Densovirus Isolates from Different Outbreaks in Europe, North America, and Japan.

Publications

Comparative Genomic Analysis of Acheta domesticus Densovirus Isolates from Different Outbreaks in Europe, North America, and Japan.

Similar Datasets

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