Integrated circoviral rep-like sequences in the genome of cyprinid fish

Recently a new group of circoviruses have been detected in tissues of Barbel fish and European catfish in Hungary. In our study circovirus genomes were screened in eight additional fish species for the detection and characterization of circoviruses. Two species of these bore circoviral sequences bas...

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Vydáno v:	Virus genes Ročník 47; číslo 2; s. 374 - 377
Hlavní autoři:	Fehér, Enikő, Székely, Csaba, Lőrincz, Márta, Cech, Gábor, Tuboly, Tamás, Singh, Hridaya Shanker, Bányai, Krisztián, Farkas, Szilvia L
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Boston Springer-Verlag 01.10.2013 Springer US Springer Nature B.V
Témata:	Animals Biomedical and Life Sciences Biomedicine Circovirus Circovirus - genetics Cyprinidae Cyprinidae - genetics Cyprinidae - virology fish Freshwater genes genetics Genome Labeo rohita Medical Microbiology Molecular Sequence Data mutation nucleotide sequences Phylogeny Plant Sciences Polymerase Chain Reaction Sequence Analysis, DNA Sequence Homology Silurus glanis Viral Proteins Viral Proteins - genetics Virology Hungary Bony fish Endogenous virus Circovirus India
ISSN:	0920-8569, 1572-994X, 1572-994X
On-line přístup:	Získat plný text
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Shrnutí:	Recently a new group of circoviruses have been detected in tissues of Barbel fish and European catfish in Hungary. In our study circovirus genomes were screened in eight additional fish species for the detection and characterization of circoviruses. Two species of these bore circoviral sequences based on conventional PCR assay targeting the replication-associated protein coding gene fragments. Interestingly, the methods successfully used before failed to amplify other parts of the circular viral genome, suggesting the presence of partial, integrated genetic elements in the genome of the host. The successfully sequenced fragments of the Indian rohu (Labeo rohita) encoded mutations which may cause frameshifts or termination in the coding region described previously in other vertebrates. Phylogenetic analyses presumed that integration of the viral genetic elements might have progressed concurrently or following the diversification of cyprinid fish. Further studies on the nature of whole circovirus genomes and integrated elements may help to understand their potential role and evolution in different fish species.
Bibliografie:	http://dx.doi.org/10.1007/s11262-013-0928-9 ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 14 ObjectType-Article-1 ObjectType-Feature-2 content type line 23
ISSN:	0920-8569 1572-994X 1572-994X
DOI:	10.1007/s11262-013-0928-9