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Circoviruses are found in many species, including mammals, birds, lower vertebrates and invertebrates. To date, there are no reports of circovirus-induced diseases in chickens. In this study, we identified a new strain of chicken circovirus (CCV) by PacBio third-generation sequencing samples from chickens with acute gastroenteritis in a Shandong commercial broiler farm in China. The complete genome of CCV was verified by inverse PCR. Genomic analysis revealed that CCV codes two inverse open reading frames (ORFs), and a potential stem-loop structure was present at the 5' end with a structure typical of a circular virus. Phylogenetic tree analysis showed that CCV formed an independent branch between mammalian and avian circovirus, and homology analysis indicated that the homology of CCV with 21 other known circoviruses was less than 40%. Thus, this CCV strain represents a new species in the genus Circovirus. The infection rate of CCV in 12 chickens with diarrhea was 100%, but no CCV was found in healthy chickens, thereby indicating that the novel CCV strain is highly associated with acute infectious gastroenteritis in chickens. The emergence of a novel CCV in commercial broiler chickens is highly concerning for the broiler industry. This article is protected by copyright. All rights reserved.
This article was published in the following journal.
Name: Transboundary and emerging diseases
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The absorption kinetics of dietary carnosine (β-alanyl-L-histidine) will be determined in the healthy adults.
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A genus of the family CIRCOVIRIDAE that infects SWINE; PSITTACINES; and non-psittacine BIRDS. Species include Beak and feather disease virus causing a fatal disease in psittacine birds, and Porcine circovirus causing postweaning multisystemic wasting syndrome in pigs (PORCINE POSTWEANING MULTISYSTEMIC WASTING SYNDROME).
The type species of GYROVIRUS, a small, non-enveloped DNA virus originally isolated from contaminated vaccines in Japan. It causes chicken infectious anemia and may possibly play a key role in hemorrhagic anemia syndrome, anemia dermatitis, and blue wing disease.
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A ketose sugar that is commonly used in the commercial synthesis of ASCORBIC ACID.
The genetic constitution of the individual; the characterization of the genes.
DNA sequencing is the process of determining the precise order of nucleotides within a DNA molecule. During DNA sequencing, the bases of a small fragment of DNA are sequentially identified from signals emitted as each fragment is re-synthesized from a ...
Bioinformatics is the application of computer software and hardware to the management of biological data to create useful information. Computers are used to gather, store, analyze and integrate biological and genetic information which can then be applied...
Polymerase Chain Reaction (PCR)
PCR (Polymerase Chain Reaction) uses the ability of DNA polymerase (enzymes that create DNA molecules by assembling nucleotides, the building blocks of DNA. These enzymes are essential to DNA replication and usually work in pairs to create two ident...