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Opportunity or catastrophe? effect of sea salt on host-parasite survival and reproduction

Yu, Ao ; Vannatta, J Trevor ; Gutierrez, Stephanie O ; Minchella, Dennis J Attwood, Stephen W.

PLoS neglected tropical diseases, 2022-02, Vol.16 (2), p.e0009524-e0009524 [Periódico revisado por pares]

United States: Public Library of Science

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Opportunity or catastrophe? effect of sea salt on host-parasite survival and reproduction
Autor: Yu, Ao ; Vannatta, J Trevor ; Gutierrez, Stephanie O ; Minchella, Dennis J
Attwood, Stephen W.
Assuntos: Analysis ; Animals ; Artificial seawater ; Biology and Life Sciences ; Biomphalaria - growth & development ; Biomphalaria - parasitology ; Biomphalaria - physiology ; Brackish water ; Cercaria - growth & development ; Cercaria - physiology ; Coastal aquifers ; Disease control ; Disease transmission ; Earth Sciences ; Ecology and Environmental Sciences ; Ecosystem ; Eggs ; Experiments ; Fresh water ; Freshwater ; Freshwater molluscs ; Groundwater ; Groundwater levels ; Health aspects ; Host-Parasite Interactions ; Host-parasite relationships ; Infections ; Infective stages ; Influence ; Inland water environment ; Irrigation ; Laboratories ; Mass production ; Medicine and Health Sciences ; Mollusks ; Parasites ; Parasitic diseases ; Physical Sciences ; Reproduction ; Saline water intrusion ; Salinity ; Salinity effects ; Salt ; Salt water intrusion ; Schistosoma mansoni - growth & development ; Schistosoma mansoni - physiology ; Sea-water ; Seawater ; Seawater - chemistry ; Survival ; Transmission ; Tropical diseases ; Water, Underground
É parte de: PLoS neglected tropical diseases, 2022-02, Vol.16 (2), p.e0009524-e0009524
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The authors have declared that no competing interests exist.
Descrição: Seawater intrusion associated with decreasing groundwater levels and rising seawater levels may affect freshwater species and their parasites. While brackish water certainly impacts freshwater systems globally, its impact on disease transmission is largely unknown. This study examined the effect of artificial seawater on host-parasite interactions using a freshwater snail host, Biomphalaria alexandrina, and the human trematode parasite Schistosoma mansoni. To evaluate the impact of increasing salinity on disease transmission four variables were analyzed: snail survival, snail reproduction, infection prevalence, and the survival of the parasite infective stage (cercariae). We found a decrease in snail survival, snail egg mass production, and snail infection prevalence as salinity increases. However, cercarial survival peaked at an intermediate salinity value. Our results suggest that seawater intrusion into freshwaters has the potential to decrease schistosome transmission to humans.
Editor: United States: Public Library of Science
Idioma: Inglês

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Opportunity or catastrophe? effect of sea salt on host-parasite survival and reproduction

Yu, Ao ; Vannatta, J Trevor ; Gutierrez, Stephanie O ; Minchella, Dennis J Attwood, Stephen W.

United States: Public Library of Science

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