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Long-distance transmission of pathogenic Vibrio species by migratory waterbirds: a potential threat to the public health
Fu, S.; Hao, J.; Yang, Q.; Lan, R.; Wang, Y.; Ye, S.; Liu, Y.; Li, R. (2019). Long-distance transmission of pathogenic Vibrio species by migratory waterbirds: a potential threat to the public health. NPG Scientific Reports 9: 16303. https://dx.doi.org/10.1038/s41598-019-52791-5
In: Scientific Reports (Nature Publishing Group). Nature Publishing Group: London. ISSN 2045-2322; e-ISSN 2045-2322, meer
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| Trefwoorden |
Marien/Kust; Brak water; Zoet water |
| Auteurs | | Top |
- Fu, S.
- Hao, J.
- Yang, Q., meer
- Lan, R.
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- Wang, Y.
- Ye, S.
- Liu, Y.
- Li, R.
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| Abstract |
A potential mechanism for the global distribution of waterborne pathogens is through carriage by the migratory waterbirds. However, this mode of transmission has yet been confirmed epidemiologically. Here, we conducted whole genome sequencing of Vibrio spp. collected from waterbirds, sediments, and mollusks in the estuary of the Liaohe River in China to investigate this transmission mode. We found that a V. parahaemolyticus strain isolated from a waterbird was clonally related to the other V. parahaemolyticus strains obtained from the sediments and mollusks, and three V. mimicus strains isolated from bird feces were genomically related to those found in the mollusks and upstream groundwater, suggesting that the bird-carried Vibrio strains were acquired through the direct predation of the local mollusks. Surprisingly, two bird-carried V. parahaemolyticus strains belonging to the same clone were identified in Panjin and Shanghai, which are over 1,150 km apart, and another two were found at two locations 50 km apart, further supporting that waterbirds are capable of carrying and disseminating these pathogens over long distances. Our results provide the first evidence of direct transmission from mollusks to waterbirds and confirm that waterbirds act as disseminating vehicles of waterborne pathogens. Effective surveillance of migratory waterbirds along their routes will be valuable for predicting future epidemics of infectious diseases. |
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