Key result
Genetic analysis of the avian rotavirus A strain Ho374 from a gull revealed that all 11 genes were classified as new genotypes (G28-P[39]-I21-R14-C14-M13-A24-N14-T16-E21-H16).
Why the study?
Migratory birds may be responsible for the global spread of avian rotavirus A, but little is known about the types of rotavirus A retained in them.
The genetic diversity of avian rotavirus A is greater than previously recognised, highlighting the need for further investigation in migratory birds.
New RVA genotypes in gulls extend avian strain diversity; leaves open zoonotic and migratory spread implications.
A recent study demonstrated the possibility that migratory birds are responsible for the global spread of avian rotavirus A (RVA). However, little is known about what types of RVAs are retained in migratory birds. In this study, to obtain information on RVA strains in migratory birds, we characterised an RVA strain, Ho374, that was detected in a faecal sample from a gull species (Larus sp.). Genetic analysis revealed that all 11 genes of this strain were classified as new genotypes (G28-P[39]-I21-R14-C14-M13-A24-N14-T16-E21-H16). This clearly indicates that the genetic diversity of avian RVAs is greater than previously recognised. Our findings highlight the need for investigations of RVA strains retained in migratory birds, including gulls.
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Fujii et al. (2022) studied Avian rotavirus A. Genetic analysis of RVA strain Ho374 was evaluated on Genetic classification of the 11 genes of the RVA strain. Genetic analysis of the avian rotavirus A strain Ho374 from a gull revealed that all 11 genes were classified as new genotypes (G28-P[39]-I21-R14-C14-M13-A24-N14-T16-E21-H16).
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