Spotted fever group rickettsiae (SFGR) detection in ticks following reported human case of Japanese spotted fever in Niigata Prefecture, Japan

Abstract Japanese spotted fever, a tick-borne disease caused by Rickettsia japonica, was firstly described in southwestern Japan. There was a suspicion of Rickettsia japonica infected ticks reaching the non-endemic Niigata Prefecture after a confirmed case of Japanese spotted fever in July 2014. The...

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Autores principales:	Reiko Arai, Megumi Sato, Miwako Kato, Junko Aoki, Akiko Nishida, Kaori Watanabe, Chika Hirokawa, Sumire Ikeda, Kozo Watanabe, Maria Angenica F. Regilme, Marcello Otake Sato, Tsutomu Tamura
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e8ed518583f440afba40514d30f50fb1
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spelling	oai:doaj.org-article:e8ed518583f440afba40514d30f50fb12021-12-02T10:48:22ZSpotted fever group rickettsiae (SFGR) detection in ticks following reported human case of Japanese spotted fever in Niigata Prefecture, Japan10.1038/s41598-021-81587-92045-2322https://doaj.org/article/e8ed518583f440afba40514d30f50fb12021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-81587-9https://doaj.org/toc/2045-2322Abstract Japanese spotted fever, a tick-borne disease caused by Rickettsia japonica, was firstly described in southwestern Japan. There was a suspicion of Rickettsia japonica infected ticks reaching the non-endemic Niigata Prefecture after a confirmed case of Japanese spotted fever in July 2014. Therefore, from 2015 to 2017, 38 sites were surveyed and rickettsial pathogens were investigated in ticks from north to south of Niigata Prefecture including Sado island. A total of 3336 ticks were collected and identified revealing ticks of three genera and ten species: Dermacentor taiwanensis, Haemaphysalis flava, Haemaphysalis hystricis, Haemaphysalis longicornis, Haemaphysalis megaspinosa, Ixodes columnae, Ixodes monospinosus, Ixodes nipponensis, Ixodes ovatus, and Ixodes persulcatus. Investigation of rickettsial DNA showed no ticks infected by R. japonica. However, three species of spotted fever group rickettsiae (SFGR) were found in ticks, R. asiatica, R. helvetica, and R. monacensis, confirming Niigata Prefecture as a new endemic area to SFGR. These results highlight the need for public awareness of the occurrence of this tick-borne disease, which necessitates the establishment of public health initiatives to mitigate its spread.Reiko AraiMegumi SatoMiwako KatoJunko AokiAkiko NishidaKaori WatanabeChika HirokawaSumire IkedaKozo WatanabeMaria Angenica F. RegilmeMarcello Otake SatoTsutomu TamuraNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Reiko Arai Megumi Sato Miwako Kato Junko Aoki Akiko Nishida Kaori Watanabe Chika Hirokawa Sumire Ikeda Kozo Watanabe Maria Angenica F. Regilme Marcello Otake Sato Tsutomu Tamura Spotted fever group rickettsiae (SFGR) detection in ticks following reported human case of Japanese spotted fever in Niigata Prefecture, Japan
description	Abstract Japanese spotted fever, a tick-borne disease caused by Rickettsia japonica, was firstly described in southwestern Japan. There was a suspicion of Rickettsia japonica infected ticks reaching the non-endemic Niigata Prefecture after a confirmed case of Japanese spotted fever in July 2014. Therefore, from 2015 to 2017, 38 sites were surveyed and rickettsial pathogens were investigated in ticks from north to south of Niigata Prefecture including Sado island. A total of 3336 ticks were collected and identified revealing ticks of three genera and ten species: Dermacentor taiwanensis, Haemaphysalis flava, Haemaphysalis hystricis, Haemaphysalis longicornis, Haemaphysalis megaspinosa, Ixodes columnae, Ixodes monospinosus, Ixodes nipponensis, Ixodes ovatus, and Ixodes persulcatus. Investigation of rickettsial DNA showed no ticks infected by R. japonica. However, three species of spotted fever group rickettsiae (SFGR) were found in ticks, R. asiatica, R. helvetica, and R. monacensis, confirming Niigata Prefecture as a new endemic area to SFGR. These results highlight the need for public awareness of the occurrence of this tick-borne disease, which necessitates the establishment of public health initiatives to mitigate its spread.
format	article
author	Reiko Arai Megumi Sato Miwako Kato Junko Aoki Akiko Nishida Kaori Watanabe Chika Hirokawa Sumire Ikeda Kozo Watanabe Maria Angenica F. Regilme Marcello Otake Sato Tsutomu Tamura
author_facet	Reiko Arai Megumi Sato Miwako Kato Junko Aoki Akiko Nishida Kaori Watanabe Chika Hirokawa Sumire Ikeda Kozo Watanabe Maria Angenica F. Regilme Marcello Otake Sato Tsutomu Tamura
author_sort	Reiko Arai
title	Spotted fever group rickettsiae (SFGR) detection in ticks following reported human case of Japanese spotted fever in Niigata Prefecture, Japan
title_short	Spotted fever group rickettsiae (SFGR) detection in ticks following reported human case of Japanese spotted fever in Niigata Prefecture, Japan
title_full	Spotted fever group rickettsiae (SFGR) detection in ticks following reported human case of Japanese spotted fever in Niigata Prefecture, Japan
title_fullStr	Spotted fever group rickettsiae (SFGR) detection in ticks following reported human case of Japanese spotted fever in Niigata Prefecture, Japan
title_full_unstemmed	Spotted fever group rickettsiae (SFGR) detection in ticks following reported human case of Japanese spotted fever in Niigata Prefecture, Japan
title_sort	spotted fever group rickettsiae (sfgr) detection in ticks following reported human case of japanese spotted fever in niigata prefecture, japan
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/e8ed518583f440afba40514d30f50fb1
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Spotted fever group rickettsiae (SFGR) detection in ticks following reported human case of Japanese spotted fever in Niigata Prefecture, Japan

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