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Isolation and characterization of novel bat paramyxovirus B16-40 potentially belonging to the proposed genus Shaanvirus.

ABSTRACT: The bat paramyxovirus B16-40 was first isolated in Korea in this study. Using the isolated virus, we could obtain not only genomic information, but also several biological characteristics of the virus. In the phylogenetic analysis, the virus was found to belong to the recently proposed genus Shaanvirus. Through sequence analyses and in vitro testing, the isolated virus was also found to have haemagglutinin-neuraminidase (HN) protein as one of the structural proteins. When mouse antiserum was generated against the isolated virus and tested, it was cross-reactive to human parainfluenza virus 1 in an indirect immunofluorescence assay but could not cross-neutralize human parainfluenza virus 1. In addition, the bat paramyxovirus B16-40 was not infectious in the mouse model. Collectively, this study provided basic information on further classification of the bat paramyxovirus B16-40 and related viruses in the proposed genus Shaanvirus.

SUBMITTER: Noh JY

PROVIDER: S-EPMC6105681 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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Isolation and characterization of novel bat paramyxovirus B16-40 potentially belonging to the proposed genus Shaanvirus.

Noh Ji Yeong JY Jeong Dae Gwin DG Yoon Sun-Woo SW Kim Ji Hyung JH Choi Yong Gun YG Kang Shien-Young SY Kim Hye Kwon HK

Scientific reports 20180822 1

The bat paramyxovirus B16-40 was first isolated in Korea in this study. Using the isolated virus, we could obtain not only genomic information, but also several biological characteristics of the virus. In the phylogenetic analysis, the virus was found to belong to the recently proposed genus Shaanvirus. Through sequence analyses and in vitro testing, the isolated virus was also found to have haemagglutinin-neuraminidase (HN) protein as one of the structural proteins. When mouse antiserum was gen ...[more]

PMID: 30135435

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Project description:Rotavirus A (RVA) causes diarrheal disease in humans and various animals. Recent studies have identified bat and rodent RVAs with evidence of zoonotic transmission and genome reassortment. However, the virological properties of bat and rodent RVAs with currently identified genotypes still need to be better clarified. Here, we performed virus isolation-based screening for RVA in animal specimens and isolated RVAs (representative strains: 16-06 and MpR12) from Egyptian fruit bat and Natal multimammate mouse collected in Zambia. Whole-genome sequencing and phylogenetic analysis revealed that the genotypes of bat RVA 16-06 were identical to that of RVA BATp39 strain from the Kenyan fruit bat, which has not yet been characterized. Moreover, all segments of rodent RVA MpR12 were highly divergent and assigned to novel genotypes, but RVA MpR12 was phylogenetically closer to bat RVAs than to other rodent RVAs, indicating a unique evolutionary history. We further investigated the virological properties of the isolated RVAs. In brief, we found that 16-06 entered cells by binding to sialic acids on the cell surface, while MpR12 entered in a sialic acid-independent manner. Experimental inoculation of suckling mice with 16-06 and MpR12 revealed that these RVAs are causative agents of diarrhea. Moreover, 16-06 and MpR12 demonstrated an ability to infect and replicate in a 3D-reconstructed primary human intestinal epithelium with comparable efficiency to the human RVA. Taken together, our results detail the unique genetic and virological features of bat and rodent RVAs and demonstrate the need for further investigation of their zoonotic potential. IMPORTANCE Recent advances in nucleotide sequence detection methods have enabled the detection of RVA genomes from various animals. These studies have discovered multiple divergent RVAs and have resulted in proposals for the genetic classification of novel genotypes. However, most of these RVAs have been identified via dsRNA viral genomes and not from infectious viruses, and their virological properties, such as cell/host tropisms, transmissibility, and pathogenicity, are unclear and remain to be clarified. Here, we successfully isolated RVAs with novel genome constellations from three bats and one rodent in Zambia. In addition to whole-genome sequencing, the isolated RVAs were characterized by glycan-binding affinity, pathogenicity in mice, and infectivity to the human gut using a 3D culture of primary intestinal epithelium. Our study reveals the first virological properties of bat and rodent RVAs with high genetic diversity and unique evolutional history and provides basic knowledge to begin estimating the potential of zoonotic transmission.

Dataset Information

Isolation and characterization of novel bat paramyxovirus B16-40 potentially belonging to the proposed genus Shaanvirus.

Publications

Isolation and characterization of novel bat paramyxovirus B16-40 potentially belonging to the proposed genus Shaanvirus.

Similar Datasets

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