Identification and characterization of the threadworm, Strongyloides procyonis, from feral raccoons (Procyon lotor) in Japan

The Journal of Parasitology
H SatoHidefumi Furuoka

Abstract

Strongyloides procyonis Little, 1966 was detected about 45 years ago in raccoons (Procyon lotor) of southern Louisiana, U.S.A., and was demonstrated experimentally to cause creeping eruption and a short-lived intestinal infection in a healthy human volunteer. After its description and demonstration of its pathogenicity in humans, S. procyonis has not been found in raccoons in North America despite repeated surveys. During a survey on feral raccoons in Japan, S. procyonis parasitic females were identified in 66 (28.3%) of 233 raccoons collected between May 2004 and January 2005. The number of parasitic females recovered from individual raccoons was 1-197 (geomean, 3.2). Both the morphological features and the nucleotide sequences of the small and large subunit ribosomal RNA genes (SSU/LSU rDNA) of S. procyonis closely resembled those of zoonotic Strongyloides stercoralis. The sequences of internal transcribed spacer (ITS)1 and 28S rDNA could differentiate clearly these 2 species. Awareness of S. procyonis in raccoons in North America and other places worldwide where raccoons are introduced and naturalized is important to assess the epidemiological significance of this potentially zoonotic helminth species.

References

Nov 1, 1965·The American Journal of Tropical Medicine and Hygiene·M D Little
Mar 24, 1998·Nature·M L BlaxterW K Thomas
Dec 11, 1999·Nucleic Acids Research·Y Van de PeerR De Wachter
Aug 6, 2000·International Journal for Parasitology·M Dorris, M Blaxter
Oct 24, 2002·International Journal for Parasitology·Mark DorrisMark L Blaxter
Jun 1, 1960·Lo sperimentale·J W BURKS, R C JUNG
Aug 20, 2005·The Journal of Parasitology·Hiroshi SatoHidefumi Furuoka

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Citations

Aug 29, 2009·Journal of Helminthology·K R dos SantosR J da Silva
Sep 8, 2015·Journal of Parasitic Diseases : Official Organ of the Indian Society for Parasitology·Khaled SultanMahmoud A El-Seify
May 9, 2006·The Journal of Veterinary Medical Science·Hiroshi Sato, Kazuo Suzuki
Jul 23, 2019·Journal of Helminthology·U KramarB Šoba
Aug 8, 2006·The Journal of Veterinary Medical Science·Hiroshi SatoMasanari Aoki
Jul 25, 2019·International Journal for Parasitology. Parasites and Wildlife·Domenico Otranto, Peter Deplazes
Apr 20, 2021·Parasitology International·Claudia RomeoNicola Ferrari

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Datasets Mentioned

BETA
AY294186
AB205054
AF279916
AJ417023
M21017
U53879
AJ512837
U43579

Methods Mentioned

BETA
dissection
PCR

Software Mentioned

CLUSTAL W

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