Freshwater mussel viromes increase rapidly in diversity and abundance when hosts are released from captivity into the wild
Animals
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Abstract
Freshwater mussels create habitat, filter water, and enhance food webs, but they are also among the world’s most imperiled taxa. Conservation efforts largely rely on captive propagation in which mussels are grown in protected aquaculture environments (hatcheries) for later release. Recent evidence has highlighted the importance of pathogens in population losses of freshwater mussels. In response to ongoing mass mortality events of freshwater mussels in the Upper Tennessee River Basin in Virginia and Tennessee, USA, we conducted a multi-year study to document viruses across multiple restoration sites and compare them to viruses in mussels from the hatchery. Viral communities changed greatly after mussels were released. Of the 681 viruses of the 27 families we documented, only 20 viruses were found exclusively in hatchery mussels, compared to 451 viruses found only in mussels stocked to the wild. After release, mussels rapidly acquired new viruses, and the number of viruses increased steadily over time. These findings have implications for how mussel introduction programs might be managed for greater success, for example, by incorporating acclimatization periods prior to full release.
Suggested Citation
Richard, J.C., Lane, T.W., Agbalog, R.E., Colletti, S., Leach, T., Dunn, C.D., Bollig, N.R., Plate, A.R., Munoz, J.T., Leis, E.M., Knowles, S., Standish, I., Waller, D.L., and Golberg, T.L., 2024, Freshwater mussel viromes increase rapidly in diversity and abundance when hosts are released from captivity into the wild: Animals, v. 14, no. 17, 2531, 20 p., https://doi.org/10.3390/ani14172531.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Freshwater mussel viromes increase rapidly in diversity and abundance when hosts are released from captivity into the wild |
| Series title | Animals |
| DOI | 10.3390/ani14172531 |
| Volume | 14 |
| Issue | 17 |
| Publication Date | August 30, 2024 |
| Year Published | 2024 |
| Language | English |
| Publisher | MDPI |
| Contributing office(s) | National Wildlife Health Center |
| Description | 2531, 20 p. |
| Country | United States |
| State | Tennessee, Virgnia |