Seroepidemiological Study of Spotted Fever Group Rickettsiae and Identification of a Putative New Species, <i>Rickesttsia</i> sp. Da-1, in Gongliao, Northeast Taiwan

Tick-borne spotted fever group (SFG) rickettsioses were neglected in Taiwan. The study reported a seroepidemiological survey of SFG rickettsiae in residents in Gongliao District, Northeast Taiwan. Blood samples were examined for antibodies against SFG rickettsiae by enzyme-linked immunosorbent assay...

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Autores principales:	Tsai-Ying Yen, Hsi-Chieh Wang, Yin-Chao Chang, Chien-Ling Su, Shu-Fen Chang, Pei-Yun Shu, Kun-Hsien Tsai
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	spotted fever group rickettsiae seroprevalence <i>Dermacentor auratus</i> <i>Rickettsia</i> sp. Da-1 Medicine R
Acceso en línea:	https://doaj.org/article/ae0ac76bdedc474b8682e671e80e9a5a
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spelling	oai:doaj.org-article:ae0ac76bdedc474b8682e671e80e9a5a2021-11-25T18:38:14ZSeroepidemiological Study of Spotted Fever Group Rickettsiae and Identification of a Putative New Species, <i>Rickesttsia</i> sp. Da-1, in Gongliao, Northeast Taiwan10.3390/pathogens101114342076-0817https://doaj.org/article/ae0ac76bdedc474b8682e671e80e9a5a2021-11-01T00:00:00Zhttps://www.mdpi.com/2076-0817/10/11/1434https://doaj.org/toc/2076-0817Tick-borne spotted fever group (SFG) rickettsioses were neglected in Taiwan. The study reported a seroepidemiological survey of SFG rickettsiae in residents in Gongliao District, Northeast Taiwan. Blood samples were examined for antibodies against SFG rickettsiae by enzyme-linked immunosorbent assay and immunofluorescence assay. Risk factors were assessed using logistic regression. Ticks parasitizing dogs were collected within a 2 km radius from the houses of seropositive participants, and PCR was performed to detect possible tick-borne pathogens. Of 1108 participants, 75 (6.8%) had antibodies against SFG rickettsiae. Residents were more likely to be seropositive if they were older than 65 years, recruited by Dr. Enjoy’s Clinic, or resided in Jilin village. A total of 184 ticks including 5 species (<i>Rhipicephalus sanguineus</i>, <i>Rhipicephalus haemaphysaloides</i>, <i>Dermacentor auratus</i>, <i>Haemaphysalis hystricis</i>, <i>Haemaphysalis ornithophila</i>) were collected. <i>Rickettsia</i> spp. were detected in 6.5% (12/184) of ticks. <i>Rickettsia</i> sp. TwKM01 was found in 6 <i>R. sanguineus</i> and 4 <i>R. haemaphysaloides</i>; while <i>Rickettsia</i> sp. TwKM03 was identified in 1 <i>R. sanguineus</i>. Moreover, gene-based pairwise analysis indicated identification of a putative new species, <i>Rickettsia</i> sp. Da-1, in <i>D. auratus</i>. These findings provided evidence of SFG rickettsiae infection in ticks and suggested SFG rickettsiae exposure in the residents.Tsai-Ying YenHsi-Chieh WangYin-Chao ChangChien-Ling SuShu-Fen ChangPei-Yun ShuKun-Hsien TsaiMDPI AGarticlespotted fever group rickettsiaeseroprevalence<i>Dermacentor auratus</i><i>Rickettsia</i> sp. Da-1MedicineRENPathogens, Vol 10, Iss 1434, p 1434 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	spotted fever group rickettsiae seroprevalence <i>Dermacentor auratus</i> <i>Rickettsia</i> sp. Da-1 Medicine R
spellingShingle	spotted fever group rickettsiae seroprevalence <i>Dermacentor auratus</i> <i>Rickettsia</i> sp. Da-1 Medicine R Tsai-Ying Yen Hsi-Chieh Wang Yin-Chao Chang Chien-Ling Su Shu-Fen Chang Pei-Yun Shu Kun-Hsien Tsai Seroepidemiological Study of Spotted Fever Group Rickettsiae and Identification of a Putative New Species, <i>Rickesttsia</i> sp. Da-1, in Gongliao, Northeast Taiwan
description	Tick-borne spotted fever group (SFG) rickettsioses were neglected in Taiwan. The study reported a seroepidemiological survey of SFG rickettsiae in residents in Gongliao District, Northeast Taiwan. Blood samples were examined for antibodies against SFG rickettsiae by enzyme-linked immunosorbent assay and immunofluorescence assay. Risk factors were assessed using logistic regression. Ticks parasitizing dogs were collected within a 2 km radius from the houses of seropositive participants, and PCR was performed to detect possible tick-borne pathogens. Of 1108 participants, 75 (6.8%) had antibodies against SFG rickettsiae. Residents were more likely to be seropositive if they were older than 65 years, recruited by Dr. Enjoy’s Clinic, or resided in Jilin village. A total of 184 ticks including 5 species (<i>Rhipicephalus sanguineus</i>, <i>Rhipicephalus haemaphysaloides</i>, <i>Dermacentor auratus</i>, <i>Haemaphysalis hystricis</i>, <i>Haemaphysalis ornithophila</i>) were collected. <i>Rickettsia</i> spp. were detected in 6.5% (12/184) of ticks. <i>Rickettsia</i> sp. TwKM01 was found in 6 <i>R. sanguineus</i> and 4 <i>R. haemaphysaloides</i>; while <i>Rickettsia</i> sp. TwKM03 was identified in 1 <i>R. sanguineus</i>. Moreover, gene-based pairwise analysis indicated identification of a putative new species, <i>Rickettsia</i> sp. Da-1, in <i>D. auratus</i>. These findings provided evidence of SFG rickettsiae infection in ticks and suggested SFG rickettsiae exposure in the residents.
format	article
author	Tsai-Ying Yen Hsi-Chieh Wang Yin-Chao Chang Chien-Ling Su Shu-Fen Chang Pei-Yun Shu Kun-Hsien Tsai
author_facet	Tsai-Ying Yen Hsi-Chieh Wang Yin-Chao Chang Chien-Ling Su Shu-Fen Chang Pei-Yun Shu Kun-Hsien Tsai
author_sort	Tsai-Ying Yen
title	Seroepidemiological Study of Spotted Fever Group Rickettsiae and Identification of a Putative New Species, <i>Rickesttsia</i> sp. Da-1, in Gongliao, Northeast Taiwan
title_short	Seroepidemiological Study of Spotted Fever Group Rickettsiae and Identification of a Putative New Species, <i>Rickesttsia</i> sp. Da-1, in Gongliao, Northeast Taiwan
title_full	Seroepidemiological Study of Spotted Fever Group Rickettsiae and Identification of a Putative New Species, <i>Rickesttsia</i> sp. Da-1, in Gongliao, Northeast Taiwan
title_fullStr	Seroepidemiological Study of Spotted Fever Group Rickettsiae and Identification of a Putative New Species, <i>Rickesttsia</i> sp. Da-1, in Gongliao, Northeast Taiwan
title_full_unstemmed	Seroepidemiological Study of Spotted Fever Group Rickettsiae and Identification of a Putative New Species, <i>Rickesttsia</i> sp. Da-1, in Gongliao, Northeast Taiwan
title_sort	seroepidemiological study of spotted fever group rickettsiae and identification of a putative new species, <i>rickesttsia</i> sp. da-1, in gongliao, northeast taiwan
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/ae0ac76bdedc474b8682e671e80e9a5a
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Seroepidemiological Study of Spotted Fever Group Rickettsiae and Identification of a Putative New Species, <i>Rickesttsia</i> sp. Da-1, in Gongliao, Northeast Taiwan

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