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Seasonality of detection rate of Escherichia albertii in wild raccoons (Procyon lotor) in Osaka, Japan. 2024

Bingting Xu, and Noritoshi Hatanaka, and Sharda Prasad Awasthi, and Atsushi Hinenoya, and Shinji Yamasaki
Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Osaka, Japan.

Escherichia albertii has increasingly been recognized as an important emerging zoonotic enteropathogen. Raccoon is shown to be one of the most vital reservoirs of this pathogen. E. albertii has been detected in 993 (62%) out of 1,606 wild raccoons in Osaka, Japan from 2017 to 2020 by Eacdt-PCR. The detection rate of E. albertii was increased from May to December (winter) and gradually decreased from January to April (spring). Furthermore, we could isolate E. albertii from 30% (196/664) of Eacdt-PCR positive samples and the monthly isolation rate seems to correlate with its detection rate. These data indicate that there is a seasonality regarding the prevalence of E. albertii in wild raccoon being higher in winter and lower in spring.

UI MeSH Term Description Entries
D007564 Japan A country in eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula. The capital is Tokyo. Bonin Islands
D011821 Raccoons Carnivores of the genus Procyon of the family PROCYONIDAE. Two subgenera and seven species are currently recognized. They range from southern Canada to Panama and are found in several of the Caribbean Islands. Procyon,Procyons,Raccoon
D004925 Escherichia A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria whose organisms occur in the lower part of the intestine of warm-blooded animals. The species are either nonpathogenic or opportunistic pathogens.
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012621 Seasons Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Seasonal Variation,Season,Seasonal Variations,Variation, Seasonal,Variations, Seasonal

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