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Open AccessCommunication

Host Range of the Mikrocytid Parasite Paramikrocytos canceri in Decapod Crustaceans

Department of Biosciences, College of Science, Swansea University, Swansea SA2 8PP, Wales, UK
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Pathogens 2019, 8(4), 252; https://doi.org/10.3390/pathogens8040252
Received: 30 October 2019 / Revised: 13 November 2019 / Accepted: 19 November 2019 / Published: 20 November 2019
(This article belongs to the Section Animal Pathogens)
Mikrocytids are a widespread but rather neglected group of parasites of aquatic invertebrates. One such parasite is Paramikrocytos canceri—discovered to infect the antennal gland of the juvenile edible crab, Cancer pagurus, taken from several intertidal sites across the United Kingdom. To determine if this parasite is also present in other species of decapod crustaceans, we surveyed crabs (n = 330) across two contrasting sites in Pembrokeshire (UK). Using a histopathological approach, P. canceri infection was confirmed in variable numbers of edible crabs from both survey sites, 7–44%. No measurable signs of infection were encountered in four other co-located species, including European shore crabs (Carcinus maenas), Montagu’s crabs (Xantho hydrophilus), velvet swimming crabs (Necora puber) and broad-clawed porcelain crabs (Porcellana platycheles). These data imply that P. canceri has a more limited host range than suggested by molecular diagnosis alone. View Full-Text
Keywords: Mikrocytid; antennal gland; histopathology; fisheries; Cancer pagurus; disease connectivity Mikrocytid; antennal gland; histopathology; fisheries; Cancer pagurus; disease connectivity
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Edwards, M.; Coates, C.J.; Rowley, A.F. Host Range of the Mikrocytid Parasite Paramikrocytos canceri in Decapod Crustaceans. Pathogens 2019, 8, 252.

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