Cited by 1Animal Virus Infections StudiesVirology and Viral DiseasesRespiratory viral infections research

Comprehensive phylogenetic analysis of newly detected rodent adenoviruses sheds light on ancient host-switches

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Vidovszky, Márton Z., Kaján, Győző L., Böszörményi, Kinga P., Podgorski, Iva I., Doszpoly, Andor, Ballmann, Mónika Z., Mitró, Gergő, Skoda, Gabriella +8 more·2025·Molecular Phylogenetics and Evolution

Abstract

Here we provide a comprehensive update on the diversity and genetic relatedness of adenoviruses occurring in rodents. Extensive PCR screenings revealed the presence of adenoviral DNA in samples originating from representatives of 17 rodent species from four different suborders of Rodentia. Distinct sequences of 28 different adenoviruses were obtained from the positive samples. Out of these, 20 were from hitherto unknown, putative novel adenoviruses, whereas 6 were variants of previously published murine adenoviruses. Additionally, two known viruses, guinea pig adenovirus 1 and squirrel adenovirus 1 were also detected. By PCR and primer walking, we determined the sequence of a considerable part of the genomic DNA of squirrel adenovirus 1, detected in red squirrel (Sciurus vulgaris) samples from Germany previously. We annotated the almost complete genome sequence of a novel mastadenovirus found by data mining in the bulk data of the Ord's kangaroo rat (Dipodomys ordii) genome project. We revisited the sequence of the gene of E1B 19 K protein of mouse adenovirus 3. In contrast to the prototype strain, where a truncated version of this gene has been found, in our sample of mouse adenovirus 3, it seemed to be intact. Based on phylogeny reconstructions, all rodent adenoviruses clustered in the genus Mastadenovirus. Interestingly, however, there wasn't a common monophyletic clade encompassing every adenovirus of rodent origin. Instead, three major lineages were observed. Because two lineages contained viral sequences deduced from samples of three suborders, and one consisted almost exclusively of adenoviruses from the family Muridae, we hypothesize there has been a long-term coevolution with the rodent hosts, as a result of possible ancient host-switch events. Several putative viruses appeared in distinct branches further away from the three clades. Thus, the evolutionary past of the adenoviruses of rodents remains to be studied further.

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  • Phylogenetic analysis of the penton base demonstrated that the black rat adenovirus clustered with a long-tailed marmot adenovirus from China with strong support, forming a clade with an Ord's kangaroo rat adenovirus from the southwestern United States.

    “A phylogenetic analysis of the penton base demonstrated that it clustered with a long-tailed marmot (Marmota caudata) adenovirus from China with strong support, which together formed a clade with an Ord’s kangaroo rat (Dipodomys ordii) adenovirus from the southwestern United States, which similarly has a short genome relative to other mammalian adenoviruses (mastadenoviruses) [48] (S2 Fig).”

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  1. Sainsbury, A.W., Adair, B., Graham, D., Gurnell, J., Cunningham, A.A., Benk ˝ o, M., Papp, T., 2001. Isolation of a novel adenovirus associated with splenitis, diarrhoea, and mortality in translocated red squirrels, Sciurus vulgaris . Verhandlungs Bericht Über Die Erkrankung Der Zootiere 40, 265 -270. http://refhub.elsevier.com/S1055-7903(2500004-1/h0255)

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Authors
Vidovszky, M. Z., Kaján, G. L., Böszörményi, K. P., Podgorski, I. I., Doszpoly, A., Ballmann, M. Z., Mitró, G., Skoda, G., Turk, M., Groothuizen, M. K., Bidin, M., Hendrickx, R., Hemmi, S., Egyed, L., Benkő, M., & Harrach, B.
Affiliations
  • HUN-REN Veterinary Medical Research Institute (HU)
  • University of Zurich (CH)
Corresponding author
Vidovszky, Márton Z.
Venue
Molecular Phylogenetics and Evolution
Publisher
Elsevier BV
Published
2025-03
Volume
204
Pages
108287
ISSN
1055-7903 (ISSN-L)
OpenAlex
W4406447307
Cited by
1
References
63
Citations by year
2026: 1
FWCI
0.61
Type
journal article
Language
en
Open access
Locations
  • Molecular Phylogenetics and Evolution (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Repository of the Academy's Library (Library of the Hungarian Academy of Sciences) (submittedVersion)
Funders
  • National Research, Development and Innovation Office (K146808)
  • Nemzeti Kutatási Fejlesztési és Innovációs Hivatal
  • European Commission
  • Magyar Tudományos Akadémia
  • European Commission Marie Sklodowska-Curie Actions
Topics
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Virus Infections Studies
  • Health Sciences › Medicine › Epidemiology › Virology and Viral Diseases
  • Health Sciences › Medicine › Epidemiology › Respiratory viral infections research
Keywords
Mastadenovirus, host switching, viral phylogeny, Muridae, Dipodomys ordii, Sciurus vulgaris, viral diversity
MeSH terms
Adenoviridae, Animals, DNA, Viral, Phylogeny, Rodentia, Sciuridae, Genome, Viral, Sequence Analysis, DNA, Mastadenovirus, Mice

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