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Lecturer reports deep-sea copepods carry Vibrio cholerae nearly identical to known strains
Summary
A university lecture presented sequencing data showing Vibrio cholerae isolated from deep‑sea copepods at hydrothermal vents closely match previously sequenced V. cholerae, suggesting broad environmental reservoirs and prompting ongoing genomic analysis.
A lecturer at the President's Lecture Series told the seminar that Vibrio cholerae bacteria isolated from deep‑sea copepods were “practically identical” to V. cholerae found in near‑shore and human‑associated samples.
The finding matters because it supports an environmental reservoir model for cholera: the bacterium can persist in a range of aquatic habitats and associate with zooplankton, which may help explain biogeography and evolution of pathogenic strains.
The lecturer described samples collected from around hydrothermal vents on the East…
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