Viral Metagenomics Reveals Diverse Viruses in the Fecal Samples of Children with Diarrhea

Overview

Journal Virol Sin

Specialty Microbiology

Date 2022 Mar 2

PMID 35234620

Authors

Shixing Yang

Yumin He

Ju Zhang

Dianqi Zhang

Yan Wang

Xiang Lu

Xiaochun Wang

Quan Shen

Likai Ji

Hongyan Lu

Wen Zhang

Affiliations

Soon will be listed here.

Abstract

Diarrhea is the third leading cause of death in developing countries in children under the age of five. About half a million children die of diarrhea every year, most of which in developing countries. Viruses are the main pathogen of diarrhea. In China, the fecal virome of children with diarrhea has been rarely studied. Using an unbiased viral metagenomics approach, we analyzed the fecal virome in children with diarrhea. Many DNA or RNA viruses associated with diarrhea identified in those fecal samples were mainly from six families of Adenoviridae, Astroviridae, Caliciviridae, Parvoviridae, Picornaviridae, and Reoviridae. Among them, the family of Caliciviridae accounts for the largest proportion of 78.42%, following with Adenoviridae (8.94%) and Picornaviridae (8.36%). In addition to those diarrhea-related viruses that have already been confirmed to cause human diarrhea, the viruses not associated with diarrhea were also identified including anellovirus and picobirnavirus. This study increased our understanding of diarrheic children fecal virome and provided valuable information for the prevention and treatment of viral diarrhea in this area.

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