期刊
VIROLOGY
卷 561, 期 -, 页码 98-106出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.virol.2021.06.007
关键词
Meta-transcriptomics; Ruddy turnstone; RNA-Seq; Virome; Evolution; Ecology
类别
资金
- NIH/NIAID [HHSN266200700010C]
- ARC [DP 130101935, DP160102146, DE200100977]
- ARC Australian Laureate Fellowship [FL170100022]
- Australian Research Council [DE200100977] Funding Source: Australian Research Council
This study on RNA virus communities in Ruddy Turnstones of different age groups found that juvenile birds had higher viral abundance and alpha diversity compared to adult birds, indicating a potential association between host age and viral composition.
Despite the ongoing interest in virus discovery, little is known about the factors that shape communities of viruses within individual hosts. Here, we address how virus communities might be impacted by the age of the hosts they infect, using total RNA sequencing to reveal the RNA viromes of different age groups of Ruddy Turnstones (Arenaria interpres). From oropharyngeal and cloacal swabs we identified 14 viruses likely infecting birds, 11 of which were novel, including members of the Reoviridae, Astroviridae, and Picornaviridae. Strikingly, 12 viruses identified were from juvenile birds sampled in the first year of their life, compared to only two viruses in adult birds. Both viral abundance and alpha diversity were marginally higher in juvenile than adult birds. As well as informing studies of virus ecology, that host age might be associated with viral composition is an important consideration for the future surveillance of novel and emerging viruses.
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