A bacteriological comparison of the hemolymph from healthy and moribund unionid mussel populations in the upper Midwestern U.S.A. prompts the development of diagnostic assays to detect Yokenella regensburgei
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Abstract
Recent bacteriological investigations of freshwater mussel mortality events in the southeastern United States have identified a variety of bacteria and differences in bacterial communities between sick and healthy mussels. In particular, Yokenella regensburgei and Aeromonas spp. have been shown to be associated with moribund mussels, although it remains unclear whether these bacteria are causes or consequences of disease. To further understand the role of bacteria in mussel epizootics, we investigated mortality events that occurred in the upper Midwest in the Embarrass River (Wisconsin) and the Huron River (Michigan). For comparison, we also studied mussels from an unaffected population in the St. Croix River (Wisconsin). Diverse bacterial genera were identified from these sites, including Y. regensburgei from moribund mussels in the Embarrass River (Wisconsin). This bacterium has also been consistently isolated during ongoing mortality events in the Clinch River (Virginia). Subsequently, we developed and validated molecular assays for the detection of Yokenella to use in future investigations of mussel mortality events and to identify environmental reservoirs of this bacterium.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A bacteriological comparison of the hemolymph from healthy and moribund unionid mussel populations in the upper Midwestern U.S.A. prompts the development of diagnostic assays to detect Yokenella regensburgei |
| Series title | Microorganisms |
| DOI | 10.3390/microorganisms11041068 |
| Volume | 11 |
| Issue | 4 |
| Year Published | 2023 |
| Language | English |
| Publisher | MDPI |
| Contributing office(s) | National Wildlife Health Center, Upper Midwest Environmental Sciences Center |
| Description | 1068, 11 p. |
| Country | United States |
| State | Michigan, Minnesota, Wisconsin |
| Other Geospatial | Embarrass River, Huron River, St. Croix River |
| Google Analytic Metrics | Metrics page |