Molecular Detection of Spotted Fever Group Rickettsia in Feral Raccoons (&lt;i&gt;Procyon lotor&lt;/i&gt;) in the Western Part of Japan

Baba, Kenji; Kaneda, Toshiya; Nishimura, Hitoshi; Sato, Hiroshi

doi:10.1292/jvms.12-0143

Cited by 8 publications

(6 citation statements)

References 18 publications

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“…Proteus is mainly used as diagnostic test for Rickettsia because a cross-reaction exists. Rickettsia has been reported in raccoons from the US and Japan (Alexander et al 1972, Baba et al 2013 and in humans from the northern and southeastern regions of Mexico (Zavala-Castro et al 2006). Rickettsial infections were associated with tick bites, but in the present study antibodies against Proteus were not detected.…”

Section: Discussioncontrasting

confidence: 59%

Serological survey of anti-Salmonella antibodies in coatis (Nasua narica) and raccoons (Procyon lotor) in southeast Mexico

de-la-Rosa-Arana

Muñoz-García²,

Godínez-García

et al. 2016

Arch. med. vet.

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Section: Discussioncontrasting

confidence: 59%

Serological survey of anti-Salmonella antibodies in coatis (Nasua narica) and raccoons (Procyon lotor) in southeast Mexico

de-la-Rosa-Arana

Muñoz-García²,

Godínez-García

et al. 2016

Arch. med. vet.

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“…asiatica and Candidatus R. tarasevichiae, have also been reported 13,14 . In addition, several studies conducted in Japan have documented the presence of other Rickettsia species/genotypes in animals and questing ticks 15–17 . However, in most cases, only single or a limited number of genes have been analysed, making it difficult to generate an overview of the genetic diversity of SFG rickettsiae, since multiple gene sequencing are recommended in the classification of rickettsial isolates 18 .…”

Section: Introductionmentioning

confidence: 99%

Diversity of spotted fever group rickettsiae and their association with host ticks in Japan

Thu

Qiu

Matsuno

et al. 2019

Sci Rep

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Spotted fever group (SFG) rickettsiae are obligate intracellular Gram-negative bacteria mainly associated with ticks. In Japan, several hundred cases of Japanese spotted fever, caused by Rickettsia japonica, are reported annually. Other Rickettsia species are also known to exist in ixodid ticks; however, their phylogenetic position and pathogenic potential are poorly understood. We conducted a nationwide cross-sectional survey on questing ticks to understand the overall diversity of SFG rickettsiae in Japan. Out of 2,189 individuals (19 tick species in 4 genera), 373 (17.0%) samples were positive for Rickettsia spp. as ascertained by real-time PCR amplification of the citrate synthase gene (gltA). Conventional PCR and sequencing analyses of gltA indicated the presence of 15 different genotypes of SFG rickettsiae. Based on the analysis of five additional genes, we characterised five Rickettsia species; R. asiatica, R. helvetica, R. monacensis (formerly reported as Rickettsia sp. In56 in Japan), R. tamurae, and Candidatus R. tarasevichiae and several unclassified SFG rickettsiae. We also found a strong association between rickettsial genotypes and their host tick species, while there was little association between rickettsial genotypes and their geographical origins. These observations suggested that most of the SFG rickettsiae have a limited host range and are maintained in certain tick species in the natural environment.

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“…In two studies in Japan, molecular detection of Rickettsia spp. in raccoons was performed [ 80 , 81 ]. Rickettsia ( R. ) helvetica and R felis were among the identified species, with prevalences between 0.1 and 1.6% [ 80 , 81 ].…”

Section: Discussionmentioning

confidence: 99%

Vector-Borne and Zoonotic Pathogens in Raccoon Dogs (Nyctereutes procyonoides) and Raccoons (Procyon lotor) from Schleswig-Holstein, Germany

Klink,

Rieger,

Wohlsein

et al. 2024

Pathogens

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Raccoon dogs (Nyctereutes procyonoides) and raccoons (Procyon lotor) are invasive alien species originating from East Asia and North America, respectively. They are discussed as vectors and reservoirs for various infectious diseases, including vector-borne and zoonotic pathogens, and are therefore a potential threat to human and domestic animal health, as well as to biodiversity and conservation. In the years 2021 and 2022, 110 raccoon dogs (Nyctereutes procyonoides) and 30 raccoons (Procyon lotor) were screened via qPCR for the presence of Leptospira spp., Rickettsia spp. and Borreliella spp. in the German federal state of Schleswig-Holstein as part of a health and risk assessment study. Borreliella spp. were confirmed in one raccoon dog and one raccoon, identified as Borreliella afzelii in the raccoon. Leptospira spp. were found in 21 (19.44%) raccoon dogs and 2 (6.90%) raccoons. In five raccoon dogs, Leptospira spp. were identified as Leptospira borgpetersenii, Leptospira kirschneri and Leptospira interrogans.

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Molecular Detection of Spotted Fever Group Rickettsia in Feral Raccoons (<i>Procyon lotor</i>) in the Western Part of Japan

Cited by 8 publications

References 18 publications

Serological survey of anti-Salmonella antibodies in coatis (Nasua narica) and raccoons (Procyon lotor) in southeast Mexico

Serological survey of anti-Salmonella antibodies in coatis (Nasua narica) and raccoons (Procyon lotor) in southeast Mexico

Diversity of spotted fever group rickettsiae and their association with host ticks in Japan

Vector-Borne and Zoonotic Pathogens in Raccoon Dogs (Nyctereutes procyonoides) and Raccoons (Procyon lotor) from Schleswig-Holstein, Germany

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