Publications by authors named "Sumiya Borjigin"
Type 1 recombinant enterovirus G (EV-G), which carries the papain-like cysteine protease (PLCP) gene of torovirus between its 2C/3A regions, and type 2 recombinant EV-G, which carries the torovirus PLCP gene with its flanking regions having non-EV-G sequences in place of the viral structural genes, have been detected in pig farms in several countries. In a previous study, we collected 222 fecal samples from 77 pig farms from 2104 to 2016 and detected one type 2 recombinant EV-G genome by metagenomics sequencing. In this study, we reanalyzed the metagenomic data and detected 11 type 2 recombinant EV-G genomes.
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- Porcine adenoviruses (PAdVs) are classified into five serotypes and a new strain, Ino5, was isolated from a wild boar fecal sample for the first time.
- The genomic analysis showed that Ino5 shares over 93% sequence homology with the PAdV-5 strain HNF-70 from a pig in Japan, with notable differences in certain coding regions indicating potential antigenic variation.
- Detection of PAdVs in fecal samples revealed low prevalence in wild boars (1.77%) and higher in pigs (12%), and phylogenetic analysis suggests the occurrence of recombination events, indicating evolutionary dynamics similar to human adenoviruses.
Article Synopsis
- A walrus born in an aquarium in Japan died at 11 months due to symptoms like fever and poor appetite, which were linked to liver and adrenal gland damage.
- Necropsy and histological examinations revealed necrotic lesions and the presence of a new virus named Walrus alphaherpesvirus 1 (WaHV-1), closely related to viruses found in harbor seals.
- The mother walrus showed past herpesvirus infection, suggesting that the young walrus may have contracted WaHV-1 from her and did not receive the necessary maternal antibodies to combat the virus.