OrganismsDiseasesPhenomena and ProcessesInformation Science
CircoviridaeCircoviridae InfectionsTorque teno virusCircovirusGenome, ViralRNA VirusesWasting SyndromeChicken anemia virusPorcine Postweaning Multisystemic Wasting SyndromeEncyclopedias as Topic
CircovirusParvoviridaeSingle-strandedIcosahedralGenomesPorcineSpeciesCircularFamilyBeak and featherReplicationParvovirusTaxonomy of VirusesCircovirusesCapsidVertebratesChicken anemiRecombinantDiseasesSmall DNA VirusesParvovirusesElectronProteinsInfectiousBirdsPathogensPathogenPopulationsVirionsVectorCommonlyTransmissionMembersViralPCV2EntryDiseaseOrderStructureFrequentlyDetailsBloodFoundHealthy
Circovirus8
  • The family Circoviridae contains two genera-Circovirus and Cyclovirus. (wikipedia.org)
  • Genus Circovirus: type species: Porcine circovirus 1 Genus Cyclovirus : type species Human associated cyclovirus 8 A cyclovirus-cyclovirus-Vietnam-has been isolated from the cerebrospinal fluid of 25 Vietnamese patients with CNS infections of unknown aetiology. (wikipedia.org)
  • Psittacine Beak and Feather Disease virus is mainly a circovirus which is one of the smallest DNA viruses. (thevetexpert.com)
  • DuCV belongs to the genus Circovirus, which is a member of the family Circoviridae . (researchsquare.com)
  • Porcine circovirus type 2 (PCV2), a member of the genus Circovirus and family Circoviridae , is a closed, small, circular, and single-stranded DNA virus, and it is a crucial swine pathogen of porcine circovirus-associated diseases (PCVADs). (biomedcentral.com)
  • Porcine circoviruses (PCVs), as members of the Circovirus genus of the Circoviridae family, have been linked to a variety of pig disease conditions, including porcine dermatitis and nephropathy syndrome (PDNS), respiratory disease, postweaning multisystemic wasting syndrome, and reproductive disorders. (creative-biolabs.com)
  • Structural perspectives of beak and feather disease virus and porcine circovirus proteins. (creative-biolabs.com)
  • Porcine Circoviruses (PCVs) are single-standard circular DNA virus, which belong to the member of genus Circovirus within the family of Circoviridae [ 1 ]. (biomedcentral.com)
Parvoviridae2
  • We identified ten DNA viruses with identity to Papillomaviridae, Parvoviridae, Circoviridae and Adomaviridae. (spedcoaching.com)
  • Parvoviruses are a family of animal viruses that constitute the family Parvoviridae . (mdwiki.org)
Single-stranded2
  • Circoviruses (family Circoviridae ) are nonenveloped, single-stranded, circular DNA (≈2 kb) viruses ( 1 ). (cdc.gov)
  • Chicken anemia virus (CAV) is the member of the genus Gyrovirus of the family Circoviridae , and the genome consists of a circular single-stranded 2.3 kb DNA molecule [ 1 ]. (biomedcentral.com)
Icosahedral3
  • Viruses in the family Circoviridae are non-enveloped, with icosahedral and round geometries, and T=1 symmetry. (wikipedia.org)
  • PCV is an icosahedral virus with a diameter of about 17 nm that is not enveloped. (creative-biolabs.com)
  • Parvovirus virions are small compared to most viruses, at 23-28 nanometers in diameter, and contain the genome enclosed in an icosahedral capsid that has a rugged surface. (mdwiki.org)
Genomes3
  • The presence within ORF1 of conserved amino acid sequence motifs, which occur in the Rep proteins of other animal and plant viruses with circular ssDNA genomes (within Circoviridae and Nanoviridae ), suggests that replication of anellovirus DNA may use a rolling circle mechanism of replication. (ictv.global)
  • We speculate that amphibian viruses often have simpler genomes than those in amniotes, as in the case of the Secondpapillomavirinae and Orthomyxoviridae viruses identified in this study. (spedcoaching.com)
  • Parvoviruses are believed to be descended from ssDNA viruses that have circular genomes that form a loop because these viruses encode a replication initiator protein that is related to NS1 and have a similar replication mechanism. (mdwiki.org)
Porcine2
  • However, there is limited information on epidemiology and coinfection rate of PCV2 with other critical swine diseases in this area, such as porcine reproductive and respiratory syndrome virus (PRRSV), classical swine fever virus (CSFV), Pseudorabies virus (PRV), and porcine epidemic diarrhea virus (PEDV). (biomedcentral.com)
  • Besides of PCVs, there are other viral pathogens threatening the pig raising industry at regional, national and global level, including porcine epidemic diarrhea virus (PEDV), porcine reproductive and respiratory syndrome virus (PRRSV), pseudorabies virus (PRV), classical swine fever virus (CSFV). (biomedcentral.com)
Species2
  • There are 101 species in this family, assigned to 2 genera. (wikipedia.org)
  • We sought to identify viruses that were hidden in amphibian and reptile metatranscriptomic data by screening 235 RNA-sequencing datasets from a 122 species covering 25 countries. (spedcoaching.com)
Circular1
  • 31. All Ssdna Viruses Have Circular Genome Except. (iubians.com)
Family6
  • Circoviridae is a family of DNA viruses. (wikipedia.org)
  • Viruses from the family Circoviridae may have neurologic tropism more commonly than previously anticipated. (cdc.gov)
  • In addition, we find evidence of inter-family recombination in RNA viruses, and we also identify new members of the recombinant Adomaviridae family. (spedcoaching.com)
  • A family of insect viruses isolated from endoparasitic hymenopteran insects belonging to the families Ichneumonidae and Braconidae. (uams.edu)
  • Parvoviruses were first classified as the genus Parvovirus in 1971 but were elevated to family status in 1975. (mdwiki.org)
  • Tibrovirus is a poorly characterized genus of viruses in the family Rhabdoviridae , order Mononegavirales . (wikimili.com)
Beak and feather1
  • The virus mainly affects the beak and feather follicles of the parrots and causes the loss of feathers, necrosis, beak, and claw malformations. (thevetexpert.com)
Replication4
  • The ORF1 proteins of human and animal anelloviruses possess arginine-rich, hydrophilic N-terminal sequences, and at least one amino acid sequence motif with which rolling circle replication (RCR) of the virus DNA may be associated. (ictv.global)
  • Animal parvoviruses were first discovered in the 1960s, including minute virus of mice , which is frequently used to study parvovirus replication. (mdwiki.org)
  • [10] EKV-1 could not be isolated from the patient's blood sample and live replication-competent virus is not available. (wikimili.com)
  • For instance, cellular autophagy could be harnessed by viruses to facilitate replication. (bvsalud.org)
Parvovirus1
  • Parvo", "parvovirus", and "parvo virus" redirect here. (mdwiki.org)
Taxonomy of Viruses1
  • International Committee on Taxonomy of Viruses (ICTV). (wikipedia.org)
Circoviruses2
  • Circoviruses are the smallest viruses known to exist, replicating autonomously in mammalian cells. (creative-biolabs.com)
  • Parvoviruses and circoviruses, small DNA viruses, have lethal associations in reptiles and fish, and were isolated from bearded dragons following mortality events in 2014 and 2020 [12]. (spedcoaching.com)
Capsid1
  • ORF2 encodes the major immunogenic protein, the virus structural capsid protein (Cap protein). (creative-biolabs.com)
Vertebrates2
  • Amphibians and non-avian reptiles represent a significant proportion of terrestrial vertebrates, however knowledge of their viruses is not proportional to their abundance. (spedcoaching.com)
  • 35. Viruses Which Infect Vertebrates. (iubians.com)
Chicken anemi1
  • Chicken anemia virus (CAV) is an important viral pathogen that causes anemia and severe immunodeficiency syndrome in chickens worldwide. (biomedcentral.com)
Recombinant3
  • In medicine, recombinant adeno-associated viruses (AAV) have become an important vector for delivering genes to the cell nucleus during gene therapy . (mdwiki.org)
  • Experiments using a recombinant vesicular stomatitis virus expressing the EKV-1 envelope glycoprotein indicate EKV-1 has very broad tropism and can efficiently enter nearly all types of human cells. (wikimili.com)
  • Experiments using a recombinant vesicular stomatitis virus expressing the EKV-2 envelope glycoprotein indicate EKV-2 has very broad tropism similar to EKV-1. (wikimili.com)
Diseases2
  • These viruses have been associated with a variety of diseases, including respiratory and enteric disease, dermatitis, and reproductive problems ( 1 , 3 - 5 ). (cdc.gov)
  • None of the tibroviruses, except for Bas-Congo virus, have been associated with any diseases. (wikimili.com)
Small DNA Viruses1
Parvoviruses1
  • Another group of viruses called bidnaviruses appear to be descended from parvoviruses. (mdwiki.org)
Electron1
  • Tibrovirus virions are enveloped, but only the morphology of Tibrogargan virus and Sweetwater branch virus have been observed by electron microscopy. (wikimili.com)
Proteins2
  • 8. The Most Common Proteins Of Virus Are _____ Which Is Responsible For The Viral Movement To Neighbouring Cells. (iubians.com)
  • 36. The Most Complex Virus Can Encode ---- Proteins. (iubians.com)
Infectious2
  • The incubation period and irrefutable signs formed by this virus are mutable, reliant on the infectious dose (amount of virus infecting the bird), and the age of the parrot, and the stage of plume growth at the time of contamination. (thevetexpert.com)
  • Infectious Bronchitis Virus and further avian Coronaviruses (incl. (bioing.pl)
Birds5
  • The virus causes distress to the immune system of birds. (thevetexpert.com)
  • The virus also affects the lymphatic system of the birds like bursa Fabricius, thymus, and causes immunosuppression. (thevetexpert.com)
  • The progress of the disease is fluctuating, and transporter birds flaking the virus are common. (thevetexpert.com)
  • It is consequently difficult to eradicate the virus from an infected populace, and many groups of birds are constructive. (thevetexpert.com)
  • Most frequently, juvenile birds are infected with the virus. (thevetexpert.com)
Pathogens1
  • Results: Clinical manifestations and chest X-ray findings were similar in pneumonias caused by different respiratory pathogens: classic bacteria, respiratory viruses and atypical microorganisms. (bvsalud.org)
Pathogen1
  • Sputum and blood cultures, serological tests and nasopharyngeal swab for respiratory virus detection by molecular diagnostic techniques were performed to identify the causative pathogen. (bvsalud.org)
Populations2
  • Although they were initially suspected of being transmitted only by blood transfusion, the global dispersion of the viruses in populations and their detection in various biological samples (e.g. plasma, saliva and feces) suggests combined modes of diffusion, and in particular the spread by saliva droplets. (ictv.global)
  • With the addition of these viruses, we expand the global amphibian and reptile virome and identify new potentially pathogenic viruses that could challenge populations. (spedcoaching.com)
Virions3
  • Virions are non-enveloped, with reported diameters of about 30 nm for torque teno viruses (TTVs, genus Alphatorquevirus ) and torque teno mini viruses (TTMVs, genus Betatorquevirus ) (Figure 1). (ictv.global)
  • The buoyant density of virions in CsCl is 1.31-1.33 g cm −3 for TTVs and 1.27-1.28 g cm −3 for TTMVs, both estimated using virus purified from serum. (ictv.global)
  • 39. Virus Moves In The Virions Due To _____ Derived From Golgi Apparatus / ER. (iubians.com)
Vector1
  • BHV, BAV, SWBV and TIBV were isolated from biting midges, suggesting that midges are the major arthropod vector for these viruses. (wikimili.com)
Commonly1
  • In addition to RNA viruses, we also screened datasets for DNA viral transcripts, which are commonly excluded from transcriptomic analysis. (spedcoaching.com)
Transmission1
  • 12. Chief Method Of Virus Transmission Is. (iubians.com)
Members1
Viral1
  • When considering viral threats to amphibians, ranaviruses, large, enveloped DNA viruses, are considered one of the major ecological factors contributing to global population declines [9]. (spedcoaching.com)
PCV21
  • The transformation of PCV2 genotypes changed the virulence of the virus. (biomedcentral.com)
Entry1
  • Thus, GRP78 inhibition may be a promising approach to augment existing therapies to block SARS-CoV-2, its variants, and other viruses that utilize GRP78 for entry and infection. (bvsalud.org)
Disease5
  • Histopathologic features of brain tissue from foxes with possible virus-induced neurologic disease. (cdc.gov)
  • Reptiles have been implicated as reservoirs of arboviral disease, including West Nile virus and Eastern equine encephalitis virus [13]. (spedcoaching.com)
  • There is no evidence of human exposure or any disease associated with the virus. (wikimili.com)
  • TIBV is an orphan virus and not associated with any disease. (wikimili.com)
  • 38. Among The Arthropods Most Important Agents Of Spread Virus Disease Are In The Insect Which Carries The Disease Called. (iubians.com)
Order1
Structure1
  • 14. Structure Of Plant Virus, TMV, Was Demonstrated By. (iubians.com)
Frequently1
  • Nidoviruses, medium-large RNA viruses, are also frequently associated with high-mortality outbreaks in reptiles, for example the Bellinger River turtle was almost rendered extinct in 2015 due to an outbreak likely caused by Bellinger River virus [10, 11]. (spedcoaching.com)
Details1
  • Virus - Taxon details on National Center for Biotechnology Information (NCBI). (wikimedia.org)
Blood4
  • Bas-Congo virus (BASV) was discovered in 2009 in the Democratic Republic of Congo in a blood sample collected from a 32-year-old male who survived a severe illness resembling hemorrhagic fever. (wikimili.com)
  • Coastal Plains virus (CPV) was discovered in 1981 in Northern Territory, Australia in the blood of a healthy, asymptomatic steer. (wikimili.com)
  • Ekpoma virus 1 (EKV-1) was discovered in 2015 in a blood sample collected from a healthy, 45-year-old woman living in Ekpoma, Nigeria. (wikimili.com)
  • Ekpoma virus 2 (EKV-2) was discovered in 2015 in a blood sample collected from a healthy, 19-year-old woman living in Ekpoma, Nigeria. (wikimili.com)
Found1
  • The rep gene can be found on the virus sense strand, while the cap gene can be found on the complementary sense strand. (creative-biolabs.com)
Healthy1
  • The same virus has been isolated from the faeces of healthy children and also from pigs and chickens. (wikipedia.org)