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Related Experiment Video

Updated: Nov 15, 2025

Using a Pan-Viral Microarray Assay Virochip to Screen Clinical Samples for Viral Pathogens
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Using a Pan-Viral Microarray Assay Virochip to Screen Clinical Samples for Viral Pathogens

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Picobirnaviruses: prevalence, genetic diversity, detection methods.

A Yu Kashnikov1, N V Epifanova1, N A Novikova1

  • 1I.N. Blokhina Nizhny Novgorod Research Institute of Epidemiology and Microbiology, Nizhny Novgorod, Russia.

Vavilovskii Zhurnal Genetiki I Selektsii
|March 4, 2021
PubMed
Summary

Picobirnaviruses (PBVs) are widespread, opportunistic viruses with diverse hosts and genotypes. Further research is needed to understand their role in disease and potential zoonotic transmission, utilizing advanced detection methods.

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[Molecular characterization of a rare rotavirus (<i>Sedoreoviridae</i>: <i>Rotavirus</i>) strain genotype G2P[9] isolated from a child with acute gastroenteritis].

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New arguments in the discussion about the nature of picobirnaviruses.

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Genetic diversity of parechoviruses (<i>Picornaviridae: Paavivirinae: Parechovirus: Parechovirus ahumpari</i>) circulating in Nizhny Novgorod in 2021-2024.

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Area of Science:

  • Virology
  • Molecular Biology
  • Genetics

Background:

  • Picobirnaviruses (PBVs) are small, non-enveloped viruses with segmented dsRNA genomes.
  • PBVs exhibit broad host range and are detected in both symptomatic and asymptomatic individuals, suggesting opportunistic or chronic infection patterns.

Purpose of the Study:

  • To provide a comprehensive overview of picobirnavirus prevalence, genetic diversity, and detection methods.
  • To highlight the challenges and future directions in PBV research, including their etiological role and zoonotic potential.

Main Methods:

  • Review of scientific literature published between 1988 and 2019.
  • Analysis of PBV distribution, host range, and influencing factors on detection rates.
  • Consideration of RT-PCR strategies for PBV detection and genome characterization.
Keywords:
RT-PCRamplicongenomic segmentpicobirnavirusprimersequencingspecific genomic fragment

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Last Updated: Nov 15, 2025

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Main Results:

  • PBVs are globally distributed across various hosts, with complex infection dynamics influenced by host factors.
  • The etiological role of PBVs in diseases like diarrhea remains unclear due to their presence in healthy individuals.
  • Evidence suggests potential interspecies transmission and a zoonotic nature, with ongoing debate about their classification (eukaryotic vs. bacterial viruses).

Conclusions:

  • Intensified research and improved detection methods, including broader-specificity primers and metagenomic analysis, are crucial for understanding PBVs.
  • PBVs may serve as potential markers for environmental monitoring and assessing zoonotic/anthroponotic potential.