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Viral Diversity in Samples of Freshwater Gastropods IBenedictia baicalensis/I Revealed by Total RNA-Sequencing

International journal of molecular sciences, 2023-11, Vol.24 (23) [Peer Reviewed Journal]

COPYRIGHT 2023 MDPI AG ;ISSN: 1422-0067 ;EISSN: 1422-0067 ;DOI: 10.3390/ijms242317022

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  • Title:
    Viral Diversity in Samples of Freshwater Gastropods IBenedictia baicalensis/I Revealed by Total RNA-Sequencing
  • Author: Butina, Tatyana V ; Zemskaya, Tamara I ; Bondaryuk, Artem N ; Petrushin, Ivan S ; Khanaev, Igor V ; Nebesnykh, Ivan A ; Bukin, Yurij S
  • Subjects: Analysis ; Fresh water ; Genomes ; Genomics ; Medical research ; Medicine, Experimental ; RNA
  • Is Part Of: International journal of molecular sciences, 2023-11, Vol.24 (23)
  • Description: Previously, the main studies were focused on viruses that cause disease in commercial and farmed shellfish and cause damage to food enterprises (for example, Ostreavirusostreidmalaco1, Aurivirus haliotidmalaco1 and Aquabirnavirus tellinae). Advances in high-throughput sequencing technologies have extended the studies to natural populations of mollusks (and other invertebrates) as unexplored niches of viral diversity and possible sources of emerging diseases. These studies have revealed a huge diversity of mostly previously unknown viruses and filled gaps in the evolutionary history of viruses. In the present study, we estimated the viral diversity in samples of the Baikal endemic gastropod Benedictia baicalensis using metatranscriptomic analysis (total RNA-sequencing); we were able to identify a wide variety of RNA-containing viruses in four samples (pools) of mollusks collected at three stations of Lake Baikal. Most of the identified viral genomes (scaffolds) had only distant similarities to known viruses or (in most cases) to metagenome-assembled viral genomes from various natural samples (mollusks, crustaceans, insects and others) mainly from freshwater ecosystems. We were able to identify viruses similar to those previously identified in mollusks (in particular to the picornaviruses Biomphalaria virus 1 and Biomphalaria virus 3 from the freshwater gastropods); it is possible that picorna-like viruses (as well as a number of other identified viruses) are pathogenic for Baikal gastropods. Our results also suggested that Baikal mollusks, like other species, may bioaccumulate or serve as a reservoir for numerous viruses that infect a variety of organisms (including vertebrates).
  • Publisher: MDPI AG
  • Language: English
  • Identifier: ISSN: 1422-0067
    EISSN: 1422-0067
    DOI: 10.3390/ijms242317022
  • Source: PubMed Central (Open access)
    DOAJ Directory of Open Access Journals
    AUTh Library subscriptions: ProQuest Central
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