Spotted Fever Group Rickettsia Infecting Ticks (Acari: Ixodidae), Yak (Bos grunniens), and Tibetan Sheep (Ovis aries) in the Qinghai–Tibetan Plateau Area, China
The Qinghai–Tibet Plateau Area (QTPA) has a complex natural ecosystem, causing a greatly increased risk of spreading various tick-borne diseases including rickettsial infections, which are regarded as one of the oldest known vector-borne zoonoses. However, the information of one of its pathogen, spo...
Ausführliche Beschreibung
Autor*in: |
Yong-Cai He [verfasserIn] Ji-Xu Li [verfasserIn] Ya-Li Sun [verfasserIn] Ming Kang [verfasserIn] Hong-Xuan He [verfasserIn] Yun-Hai Guo [verfasserIn] Ping Ma [verfasserIn] Yao-Ping Wei [verfasserIn] Rui-Shan Li [verfasserIn] Wang-Kai Chen [verfasserIn] Zhi-Hong Chen [verfasserIn] Jing Li [verfasserIn] Tong-Sheng Qi [verfasserIn] Jin-Fang Yang [verfasserIn] Qing-Xun Zhang [verfasserIn] Ye Wang [verfasserIn] Jin-Shan Cai [verfasserIn] Quan-Bang Zhao [verfasserIn] Guang-Wei Hu [verfasserIn] Ji-Yong Chen [verfasserIn] Ying Li [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2022 |
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Schlagwörter: |
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Übergeordnetes Werk: |
In: Frontiers in Veterinary Science - Frontiers Media S.A., 2015, 8(2022) |
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Übergeordnetes Werk: |
volume:8 ; year:2022 |
Links: |
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DOI / URN: |
10.3389/fvets.2021.779387 |
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Katalog-ID: |
DOAJ045512973 |
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520 | |a The Qinghai–Tibet Plateau Area (QTPA) has a complex natural ecosystem, causing a greatly increased risk of spreading various tick-borne diseases including rickettsial infections, which are regarded as one of the oldest known vector-borne zoonoses. However, the information of one of its pathogen, spotted fever group Rickettsia (SFG Rickettsia), is limited in tick vectors and animals in this area. Therefore, this study focused on the investigation of SFG Rickettsia in tick vectors, yaks (Bos grunniens), and Tibetan sheep (Ovis aries) in the QTPA. A total of 1,000 samples were collected from nine sampling sites, including 425 of yaks, 309 of Tibetan sheep, 266 of ticks. By morphological examination, PCR, and sequencing, we confirmed the species of all collected ticks. All tick samples, all yak and Tibetan sheep blood samples were detected based on SFG Rickettsia ompA and sca4 gene. The results showed that all tick samples were identified to be Haemaphysalis qinghaiensis, and the positive rates of SFG Rickettsia were 5.9% (25/425), 0.3% (1/309), and 54.1% (144/266) in yaks, Tibetan sheep, and ticks, respectively. All positive samples were sequenced, and BLASTn analysis of the ompA gene sequences of SFG Rickettsia showed that all positive samples from animals and ticks had 99.04–100% identity with yak and horse isolates from Qinghai Province, China. BLASTn analysis of the sca4 gene sequences of SFG Rickettsia showed that all positive samples had 97.60–98.72% identity with tick isolates from Ukraine. In addition, the phylogenetic analysis showed that all the SFG Rickettsia ompA and sca4 sequences obtained from this study belong to the same clade as Rickettsia raoultii isolated from livestock and ticks from China and other countries. Molecularly, this study detected and characterized SFG Rickettsia both in the tick vectors and animals, suggesting that the relationship between SFG Rickettsia, tick species and animal hosts should be explored to understand their interrelationships, which provide a theoretical basis for preventing control of this pathogen. | ||
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10.3389/fvets.2021.779387 doi (DE-627)DOAJ045512973 (DE-599)DOAJad7325d3de0c40739bbdbc8dd6477a1b DE-627 ger DE-627 rakwb eng SF600-1100 Yong-Cai He verfasserin aut Spotted Fever Group Rickettsia Infecting Ticks (Acari: Ixodidae), Yak (Bos grunniens), and Tibetan Sheep (Ovis aries) in the Qinghai–Tibetan Plateau Area, China 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Qinghai–Tibet Plateau Area (QTPA) has a complex natural ecosystem, causing a greatly increased risk of spreading various tick-borne diseases including rickettsial infections, which are regarded as one of the oldest known vector-borne zoonoses. However, the information of one of its pathogen, spotted fever group Rickettsia (SFG Rickettsia), is limited in tick vectors and animals in this area. Therefore, this study focused on the investigation of SFG Rickettsia in tick vectors, yaks (Bos grunniens), and Tibetan sheep (Ovis aries) in the QTPA. A total of 1,000 samples were collected from nine sampling sites, including 425 of yaks, 309 of Tibetan sheep, 266 of ticks. By morphological examination, PCR, and sequencing, we confirmed the species of all collected ticks. All tick samples, all yak and Tibetan sheep blood samples were detected based on SFG Rickettsia ompA and sca4 gene. The results showed that all tick samples were identified to be Haemaphysalis qinghaiensis, and the positive rates of SFG Rickettsia were 5.9% (25/425), 0.3% (1/309), and 54.1% (144/266) in yaks, Tibetan sheep, and ticks, respectively. All positive samples were sequenced, and BLASTn analysis of the ompA gene sequences of SFG Rickettsia showed that all positive samples from animals and ticks had 99.04–100% identity with yak and horse isolates from Qinghai Province, China. BLASTn analysis of the sca4 gene sequences of SFG Rickettsia showed that all positive samples had 97.60–98.72% identity with tick isolates from Ukraine. In addition, the phylogenetic analysis showed that all the SFG Rickettsia ompA and sca4 sequences obtained from this study belong to the same clade as Rickettsia raoultii isolated from livestock and ticks from China and other countries. Molecularly, this study detected and characterized SFG Rickettsia both in the tick vectors and animals, suggesting that the relationship between SFG Rickettsia, tick species and animal hosts should be explored to understand their interrelationships, which provide a theoretical basis for preventing control of this pathogen. Spotted Fever Group Rickettsia Haemaphysalis qinghaiensis yak Tibetan sheep Qinghai-Tibetan Plateau Area Veterinary medicine Yong-Cai He verfasserin aut Ji-Xu Li verfasserin aut Ji-Xu Li verfasserin aut Ya-Li Sun verfasserin aut Ya-Li Sun verfasserin aut Ming Kang verfasserin aut Ming Kang verfasserin aut Hong-Xuan He verfasserin aut Yun-Hai Guo verfasserin aut Ping Ma verfasserin aut Ping Ma verfasserin aut Yao-Ping Wei verfasserin aut Yao-Ping Wei verfasserin aut Rui-Shan Li verfasserin aut Rui-Shan Li verfasserin aut Wang-Kai Chen verfasserin aut Wang-Kai Chen verfasserin aut Zhi-Hong Chen verfasserin aut Zhi-Hong Chen verfasserin aut Jing Li verfasserin aut Tong-Sheng Qi verfasserin aut Tong-Sheng Qi verfasserin aut Jin-Fang Yang verfasserin aut Jin-Fang Yang verfasserin aut Qing-Xun Zhang verfasserin aut Ye Wang verfasserin aut Jin-Shan Cai verfasserin aut Quan-Bang Zhao verfasserin aut Guang-Wei Hu verfasserin aut Ji-Yong Chen verfasserin aut Ying Li verfasserin aut Ying Li verfasserin aut In Frontiers in Veterinary Science Frontiers Media S.A., 2015 8(2022) (DE-627)835029417 (DE-600)2834243-4 22971769 nnns volume:8 year:2022 https://doi.org/10.3389/fvets.2021.779387 kostenfrei https://doaj.org/article/ad7325d3de0c40739bbdbc8dd6477a1b kostenfrei https://www.frontiersin.org/articles/10.3389/fvets.2021.779387/full kostenfrei https://doaj.org/toc/2297-1769 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2022 |
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10.3389/fvets.2021.779387 doi (DE-627)DOAJ045512973 (DE-599)DOAJad7325d3de0c40739bbdbc8dd6477a1b DE-627 ger DE-627 rakwb eng SF600-1100 Yong-Cai He verfasserin aut Spotted Fever Group Rickettsia Infecting Ticks (Acari: Ixodidae), Yak (Bos grunniens), and Tibetan Sheep (Ovis aries) in the Qinghai–Tibetan Plateau Area, China 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Qinghai–Tibet Plateau Area (QTPA) has a complex natural ecosystem, causing a greatly increased risk of spreading various tick-borne diseases including rickettsial infections, which are regarded as one of the oldest known vector-borne zoonoses. However, the information of one of its pathogen, spotted fever group Rickettsia (SFG Rickettsia), is limited in tick vectors and animals in this area. Therefore, this study focused on the investigation of SFG Rickettsia in tick vectors, yaks (Bos grunniens), and Tibetan sheep (Ovis aries) in the QTPA. A total of 1,000 samples were collected from nine sampling sites, including 425 of yaks, 309 of Tibetan sheep, 266 of ticks. By morphological examination, PCR, and sequencing, we confirmed the species of all collected ticks. All tick samples, all yak and Tibetan sheep blood samples were detected based on SFG Rickettsia ompA and sca4 gene. The results showed that all tick samples were identified to be Haemaphysalis qinghaiensis, and the positive rates of SFG Rickettsia were 5.9% (25/425), 0.3% (1/309), and 54.1% (144/266) in yaks, Tibetan sheep, and ticks, respectively. All positive samples were sequenced, and BLASTn analysis of the ompA gene sequences of SFG Rickettsia showed that all positive samples from animals and ticks had 99.04–100% identity with yak and horse isolates from Qinghai Province, China. BLASTn analysis of the sca4 gene sequences of SFG Rickettsia showed that all positive samples had 97.60–98.72% identity with tick isolates from Ukraine. In addition, the phylogenetic analysis showed that all the SFG Rickettsia ompA and sca4 sequences obtained from this study belong to the same clade as Rickettsia raoultii isolated from livestock and ticks from China and other countries. Molecularly, this study detected and characterized SFG Rickettsia both in the tick vectors and animals, suggesting that the relationship between SFG Rickettsia, tick species and animal hosts should be explored to understand their interrelationships, which provide a theoretical basis for preventing control of this pathogen. Spotted Fever Group Rickettsia Haemaphysalis qinghaiensis yak Tibetan sheep Qinghai-Tibetan Plateau Area Veterinary medicine Yong-Cai He verfasserin aut Ji-Xu Li verfasserin aut Ji-Xu Li verfasserin aut Ya-Li Sun verfasserin aut Ya-Li Sun verfasserin aut Ming Kang verfasserin aut Ming Kang verfasserin aut Hong-Xuan He verfasserin aut Yun-Hai Guo verfasserin aut Ping Ma verfasserin aut Ping Ma verfasserin aut Yao-Ping Wei verfasserin aut Yao-Ping Wei verfasserin aut Rui-Shan Li verfasserin aut Rui-Shan Li verfasserin aut Wang-Kai Chen verfasserin aut Wang-Kai Chen verfasserin aut Zhi-Hong Chen verfasserin aut Zhi-Hong Chen verfasserin aut Jing Li verfasserin aut Tong-Sheng Qi verfasserin aut Tong-Sheng Qi verfasserin aut Jin-Fang Yang verfasserin aut Jin-Fang Yang verfasserin aut Qing-Xun Zhang verfasserin aut Ye Wang verfasserin aut Jin-Shan Cai verfasserin aut Quan-Bang Zhao verfasserin aut Guang-Wei Hu verfasserin aut Ji-Yong Chen verfasserin aut Ying Li verfasserin aut Ying Li verfasserin aut In Frontiers in Veterinary Science Frontiers Media S.A., 2015 8(2022) (DE-627)835029417 (DE-600)2834243-4 22971769 nnns volume:8 year:2022 https://doi.org/10.3389/fvets.2021.779387 kostenfrei https://doaj.org/article/ad7325d3de0c40739bbdbc8dd6477a1b kostenfrei https://www.frontiersin.org/articles/10.3389/fvets.2021.779387/full kostenfrei https://doaj.org/toc/2297-1769 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2022 |
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10.3389/fvets.2021.779387 doi (DE-627)DOAJ045512973 (DE-599)DOAJad7325d3de0c40739bbdbc8dd6477a1b DE-627 ger DE-627 rakwb eng SF600-1100 Yong-Cai He verfasserin aut Spotted Fever Group Rickettsia Infecting Ticks (Acari: Ixodidae), Yak (Bos grunniens), and Tibetan Sheep (Ovis aries) in the Qinghai–Tibetan Plateau Area, China 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Qinghai–Tibet Plateau Area (QTPA) has a complex natural ecosystem, causing a greatly increased risk of spreading various tick-borne diseases including rickettsial infections, which are regarded as one of the oldest known vector-borne zoonoses. However, the information of one of its pathogen, spotted fever group Rickettsia (SFG Rickettsia), is limited in tick vectors and animals in this area. Therefore, this study focused on the investigation of SFG Rickettsia in tick vectors, yaks (Bos grunniens), and Tibetan sheep (Ovis aries) in the QTPA. A total of 1,000 samples were collected from nine sampling sites, including 425 of yaks, 309 of Tibetan sheep, 266 of ticks. By morphological examination, PCR, and sequencing, we confirmed the species of all collected ticks. All tick samples, all yak and Tibetan sheep blood samples were detected based on SFG Rickettsia ompA and sca4 gene. The results showed that all tick samples were identified to be Haemaphysalis qinghaiensis, and the positive rates of SFG Rickettsia were 5.9% (25/425), 0.3% (1/309), and 54.1% (144/266) in yaks, Tibetan sheep, and ticks, respectively. All positive samples were sequenced, and BLASTn analysis of the ompA gene sequences of SFG Rickettsia showed that all positive samples from animals and ticks had 99.04–100% identity with yak and horse isolates from Qinghai Province, China. BLASTn analysis of the sca4 gene sequences of SFG Rickettsia showed that all positive samples had 97.60–98.72% identity with tick isolates from Ukraine. In addition, the phylogenetic analysis showed that all the SFG Rickettsia ompA and sca4 sequences obtained from this study belong to the same clade as Rickettsia raoultii isolated from livestock and ticks from China and other countries. Molecularly, this study detected and characterized SFG Rickettsia both in the tick vectors and animals, suggesting that the relationship between SFG Rickettsia, tick species and animal hosts should be explored to understand their interrelationships, which provide a theoretical basis for preventing control of this pathogen. Spotted Fever Group Rickettsia Haemaphysalis qinghaiensis yak Tibetan sheep Qinghai-Tibetan Plateau Area Veterinary medicine Yong-Cai He verfasserin aut Ji-Xu Li verfasserin aut Ji-Xu Li verfasserin aut Ya-Li Sun verfasserin aut Ya-Li Sun verfasserin aut Ming Kang verfasserin aut Ming Kang verfasserin aut Hong-Xuan He verfasserin aut Yun-Hai Guo verfasserin aut Ping Ma verfasserin aut Ping Ma verfasserin aut Yao-Ping Wei verfasserin aut Yao-Ping Wei verfasserin aut Rui-Shan Li verfasserin aut Rui-Shan Li verfasserin aut Wang-Kai Chen verfasserin aut Wang-Kai Chen verfasserin aut Zhi-Hong Chen verfasserin aut Zhi-Hong Chen verfasserin aut Jing Li verfasserin aut Tong-Sheng Qi verfasserin aut Tong-Sheng Qi verfasserin aut Jin-Fang Yang verfasserin aut Jin-Fang Yang verfasserin aut Qing-Xun Zhang verfasserin aut Ye Wang verfasserin aut Jin-Shan Cai verfasserin aut Quan-Bang Zhao verfasserin aut Guang-Wei Hu verfasserin aut Ji-Yong Chen verfasserin aut Ying Li verfasserin aut Ying Li verfasserin aut In Frontiers in Veterinary Science Frontiers Media S.A., 2015 8(2022) (DE-627)835029417 (DE-600)2834243-4 22971769 nnns volume:8 year:2022 https://doi.org/10.3389/fvets.2021.779387 kostenfrei https://doaj.org/article/ad7325d3de0c40739bbdbc8dd6477a1b kostenfrei https://www.frontiersin.org/articles/10.3389/fvets.2021.779387/full kostenfrei https://doaj.org/toc/2297-1769 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2022 |
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10.3389/fvets.2021.779387 doi (DE-627)DOAJ045512973 (DE-599)DOAJad7325d3de0c40739bbdbc8dd6477a1b DE-627 ger DE-627 rakwb eng SF600-1100 Yong-Cai He verfasserin aut Spotted Fever Group Rickettsia Infecting Ticks (Acari: Ixodidae), Yak (Bos grunniens), and Tibetan Sheep (Ovis aries) in the Qinghai–Tibetan Plateau Area, China 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Qinghai–Tibet Plateau Area (QTPA) has a complex natural ecosystem, causing a greatly increased risk of spreading various tick-borne diseases including rickettsial infections, which are regarded as one of the oldest known vector-borne zoonoses. However, the information of one of its pathogen, spotted fever group Rickettsia (SFG Rickettsia), is limited in tick vectors and animals in this area. Therefore, this study focused on the investigation of SFG Rickettsia in tick vectors, yaks (Bos grunniens), and Tibetan sheep (Ovis aries) in the QTPA. A total of 1,000 samples were collected from nine sampling sites, including 425 of yaks, 309 of Tibetan sheep, 266 of ticks. By morphological examination, PCR, and sequencing, we confirmed the species of all collected ticks. All tick samples, all yak and Tibetan sheep blood samples were detected based on SFG Rickettsia ompA and sca4 gene. The results showed that all tick samples were identified to be Haemaphysalis qinghaiensis, and the positive rates of SFG Rickettsia were 5.9% (25/425), 0.3% (1/309), and 54.1% (144/266) in yaks, Tibetan sheep, and ticks, respectively. All positive samples were sequenced, and BLASTn analysis of the ompA gene sequences of SFG Rickettsia showed that all positive samples from animals and ticks had 99.04–100% identity with yak and horse isolates from Qinghai Province, China. BLASTn analysis of the sca4 gene sequences of SFG Rickettsia showed that all positive samples had 97.60–98.72% identity with tick isolates from Ukraine. In addition, the phylogenetic analysis showed that all the SFG Rickettsia ompA and sca4 sequences obtained from this study belong to the same clade as Rickettsia raoultii isolated from livestock and ticks from China and other countries. Molecularly, this study detected and characterized SFG Rickettsia both in the tick vectors and animals, suggesting that the relationship between SFG Rickettsia, tick species and animal hosts should be explored to understand their interrelationships, which provide a theoretical basis for preventing control of this pathogen. Spotted Fever Group Rickettsia Haemaphysalis qinghaiensis yak Tibetan sheep Qinghai-Tibetan Plateau Area Veterinary medicine Yong-Cai He verfasserin aut Ji-Xu Li verfasserin aut Ji-Xu Li verfasserin aut Ya-Li Sun verfasserin aut Ya-Li Sun verfasserin aut Ming Kang verfasserin aut Ming Kang verfasserin aut Hong-Xuan He verfasserin aut Yun-Hai Guo verfasserin aut Ping Ma verfasserin aut Ping Ma verfasserin aut Yao-Ping Wei verfasserin aut Yao-Ping Wei verfasserin aut Rui-Shan Li verfasserin aut Rui-Shan Li verfasserin aut Wang-Kai Chen verfasserin aut Wang-Kai Chen verfasserin aut Zhi-Hong Chen verfasserin aut Zhi-Hong Chen verfasserin aut Jing Li verfasserin aut Tong-Sheng Qi verfasserin aut Tong-Sheng Qi verfasserin aut Jin-Fang Yang verfasserin aut Jin-Fang Yang verfasserin aut Qing-Xun Zhang verfasserin aut Ye Wang verfasserin aut Jin-Shan Cai verfasserin aut Quan-Bang Zhao verfasserin aut Guang-Wei Hu verfasserin aut Ji-Yong Chen verfasserin aut Ying Li verfasserin aut Ying Li verfasserin aut In Frontiers in Veterinary Science Frontiers Media S.A., 2015 8(2022) (DE-627)835029417 (DE-600)2834243-4 22971769 nnns volume:8 year:2022 https://doi.org/10.3389/fvets.2021.779387 kostenfrei https://doaj.org/article/ad7325d3de0c40739bbdbc8dd6477a1b kostenfrei https://www.frontiersin.org/articles/10.3389/fvets.2021.779387/full kostenfrei https://doaj.org/toc/2297-1769 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2022 |
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10.3389/fvets.2021.779387 doi (DE-627)DOAJ045512973 (DE-599)DOAJad7325d3de0c40739bbdbc8dd6477a1b DE-627 ger DE-627 rakwb eng SF600-1100 Yong-Cai He verfasserin aut Spotted Fever Group Rickettsia Infecting Ticks (Acari: Ixodidae), Yak (Bos grunniens), and Tibetan Sheep (Ovis aries) in the Qinghai–Tibetan Plateau Area, China 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Qinghai–Tibet Plateau Area (QTPA) has a complex natural ecosystem, causing a greatly increased risk of spreading various tick-borne diseases including rickettsial infections, which are regarded as one of the oldest known vector-borne zoonoses. However, the information of one of its pathogen, spotted fever group Rickettsia (SFG Rickettsia), is limited in tick vectors and animals in this area. Therefore, this study focused on the investigation of SFG Rickettsia in tick vectors, yaks (Bos grunniens), and Tibetan sheep (Ovis aries) in the QTPA. A total of 1,000 samples were collected from nine sampling sites, including 425 of yaks, 309 of Tibetan sheep, 266 of ticks. By morphological examination, PCR, and sequencing, we confirmed the species of all collected ticks. All tick samples, all yak and Tibetan sheep blood samples were detected based on SFG Rickettsia ompA and sca4 gene. The results showed that all tick samples were identified to be Haemaphysalis qinghaiensis, and the positive rates of SFG Rickettsia were 5.9% (25/425), 0.3% (1/309), and 54.1% (144/266) in yaks, Tibetan sheep, and ticks, respectively. All positive samples were sequenced, and BLASTn analysis of the ompA gene sequences of SFG Rickettsia showed that all positive samples from animals and ticks had 99.04–100% identity with yak and horse isolates from Qinghai Province, China. BLASTn analysis of the sca4 gene sequences of SFG Rickettsia showed that all positive samples had 97.60–98.72% identity with tick isolates from Ukraine. In addition, the phylogenetic analysis showed that all the SFG Rickettsia ompA and sca4 sequences obtained from this study belong to the same clade as Rickettsia raoultii isolated from livestock and ticks from China and other countries. Molecularly, this study detected and characterized SFG Rickettsia both in the tick vectors and animals, suggesting that the relationship between SFG Rickettsia, tick species and animal hosts should be explored to understand their interrelationships, which provide a theoretical basis for preventing control of this pathogen. Spotted Fever Group Rickettsia Haemaphysalis qinghaiensis yak Tibetan sheep Qinghai-Tibetan Plateau Area Veterinary medicine Yong-Cai He verfasserin aut Ji-Xu Li verfasserin aut Ji-Xu Li verfasserin aut Ya-Li Sun verfasserin aut Ya-Li Sun verfasserin aut Ming Kang verfasserin aut Ming Kang verfasserin aut Hong-Xuan He verfasserin aut Yun-Hai Guo verfasserin aut Ping Ma verfasserin aut Ping Ma verfasserin aut Yao-Ping Wei verfasserin aut Yao-Ping Wei verfasserin aut Rui-Shan Li verfasserin aut Rui-Shan Li verfasserin aut Wang-Kai Chen verfasserin aut Wang-Kai Chen verfasserin aut Zhi-Hong Chen verfasserin aut Zhi-Hong Chen verfasserin aut Jing Li verfasserin aut Tong-Sheng Qi verfasserin aut Tong-Sheng Qi verfasserin aut Jin-Fang Yang verfasserin aut Jin-Fang Yang verfasserin aut Qing-Xun Zhang verfasserin aut Ye Wang verfasserin aut Jin-Shan Cai verfasserin aut Quan-Bang Zhao verfasserin aut Guang-Wei Hu verfasserin aut Ji-Yong Chen verfasserin aut Ying Li verfasserin aut Ying Li verfasserin aut In Frontiers in Veterinary Science Frontiers Media S.A., 2015 8(2022) (DE-627)835029417 (DE-600)2834243-4 22971769 nnns volume:8 year:2022 https://doi.org/10.3389/fvets.2021.779387 kostenfrei https://doaj.org/article/ad7325d3de0c40739bbdbc8dd6477a1b kostenfrei https://www.frontiersin.org/articles/10.3389/fvets.2021.779387/full kostenfrei https://doaj.org/toc/2297-1769 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2022 |
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Yong-Cai He @@aut@@ Ji-Xu Li @@aut@@ Ya-Li Sun @@aut@@ Ming Kang @@aut@@ Hong-Xuan He @@aut@@ Yun-Hai Guo @@aut@@ Ping Ma @@aut@@ Yao-Ping Wei @@aut@@ Rui-Shan Li @@aut@@ Wang-Kai Chen @@aut@@ Zhi-Hong Chen @@aut@@ Jing Li @@aut@@ Tong-Sheng Qi @@aut@@ Jin-Fang Yang @@aut@@ Qing-Xun Zhang @@aut@@ Ye Wang @@aut@@ Jin-Shan Cai @@aut@@ Quan-Bang Zhao @@aut@@ Guang-Wei Hu @@aut@@ Ji-Yong Chen @@aut@@ Ying Li @@aut@@ |
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SF600-1100 Spotted Fever Group Rickettsia Infecting Ticks (Acari: Ixodidae), Yak (Bos grunniens), and Tibetan Sheep (Ovis aries) in the Qinghai–Tibetan Plateau Area, China Spotted Fever Group Rickettsia Haemaphysalis qinghaiensis yak Tibetan sheep Qinghai-Tibetan Plateau Area |
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spotted fever group rickettsia infecting ticks (acari: ixodidae), yak (bos grunniens), and tibetan sheep (ovis aries) in the qinghai–tibetan plateau area, china |
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Spotted Fever Group Rickettsia Infecting Ticks (Acari: Ixodidae), Yak (Bos grunniens), and Tibetan Sheep (Ovis aries) in the Qinghai–Tibetan Plateau Area, China |
abstract |
The Qinghai–Tibet Plateau Area (QTPA) has a complex natural ecosystem, causing a greatly increased risk of spreading various tick-borne diseases including rickettsial infections, which are regarded as one of the oldest known vector-borne zoonoses. However, the information of one of its pathogen, spotted fever group Rickettsia (SFG Rickettsia), is limited in tick vectors and animals in this area. Therefore, this study focused on the investigation of SFG Rickettsia in tick vectors, yaks (Bos grunniens), and Tibetan sheep (Ovis aries) in the QTPA. A total of 1,000 samples were collected from nine sampling sites, including 425 of yaks, 309 of Tibetan sheep, 266 of ticks. By morphological examination, PCR, and sequencing, we confirmed the species of all collected ticks. All tick samples, all yak and Tibetan sheep blood samples were detected based on SFG Rickettsia ompA and sca4 gene. The results showed that all tick samples were identified to be Haemaphysalis qinghaiensis, and the positive rates of SFG Rickettsia were 5.9% (25/425), 0.3% (1/309), and 54.1% (144/266) in yaks, Tibetan sheep, and ticks, respectively. All positive samples were sequenced, and BLASTn analysis of the ompA gene sequences of SFG Rickettsia showed that all positive samples from animals and ticks had 99.04–100% identity with yak and horse isolates from Qinghai Province, China. BLASTn analysis of the sca4 gene sequences of SFG Rickettsia showed that all positive samples had 97.60–98.72% identity with tick isolates from Ukraine. In addition, the phylogenetic analysis showed that all the SFG Rickettsia ompA and sca4 sequences obtained from this study belong to the same clade as Rickettsia raoultii isolated from livestock and ticks from China and other countries. Molecularly, this study detected and characterized SFG Rickettsia both in the tick vectors and animals, suggesting that the relationship between SFG Rickettsia, tick species and animal hosts should be explored to understand their interrelationships, which provide a theoretical basis for preventing control of this pathogen. |
abstractGer |
The Qinghai–Tibet Plateau Area (QTPA) has a complex natural ecosystem, causing a greatly increased risk of spreading various tick-borne diseases including rickettsial infections, which are regarded as one of the oldest known vector-borne zoonoses. However, the information of one of its pathogen, spotted fever group Rickettsia (SFG Rickettsia), is limited in tick vectors and animals in this area. Therefore, this study focused on the investigation of SFG Rickettsia in tick vectors, yaks (Bos grunniens), and Tibetan sheep (Ovis aries) in the QTPA. A total of 1,000 samples were collected from nine sampling sites, including 425 of yaks, 309 of Tibetan sheep, 266 of ticks. By morphological examination, PCR, and sequencing, we confirmed the species of all collected ticks. All tick samples, all yak and Tibetan sheep blood samples were detected based on SFG Rickettsia ompA and sca4 gene. The results showed that all tick samples were identified to be Haemaphysalis qinghaiensis, and the positive rates of SFG Rickettsia were 5.9% (25/425), 0.3% (1/309), and 54.1% (144/266) in yaks, Tibetan sheep, and ticks, respectively. All positive samples were sequenced, and BLASTn analysis of the ompA gene sequences of SFG Rickettsia showed that all positive samples from animals and ticks had 99.04–100% identity with yak and horse isolates from Qinghai Province, China. BLASTn analysis of the sca4 gene sequences of SFG Rickettsia showed that all positive samples had 97.60–98.72% identity with tick isolates from Ukraine. In addition, the phylogenetic analysis showed that all the SFG Rickettsia ompA and sca4 sequences obtained from this study belong to the same clade as Rickettsia raoultii isolated from livestock and ticks from China and other countries. Molecularly, this study detected and characterized SFG Rickettsia both in the tick vectors and animals, suggesting that the relationship between SFG Rickettsia, tick species and animal hosts should be explored to understand their interrelationships, which provide a theoretical basis for preventing control of this pathogen. |
abstract_unstemmed |
The Qinghai–Tibet Plateau Area (QTPA) has a complex natural ecosystem, causing a greatly increased risk of spreading various tick-borne diseases including rickettsial infections, which are regarded as one of the oldest known vector-borne zoonoses. However, the information of one of its pathogen, spotted fever group Rickettsia (SFG Rickettsia), is limited in tick vectors and animals in this area. Therefore, this study focused on the investigation of SFG Rickettsia in tick vectors, yaks (Bos grunniens), and Tibetan sheep (Ovis aries) in the QTPA. A total of 1,000 samples were collected from nine sampling sites, including 425 of yaks, 309 of Tibetan sheep, 266 of ticks. By morphological examination, PCR, and sequencing, we confirmed the species of all collected ticks. All tick samples, all yak and Tibetan sheep blood samples were detected based on SFG Rickettsia ompA and sca4 gene. The results showed that all tick samples were identified to be Haemaphysalis qinghaiensis, and the positive rates of SFG Rickettsia were 5.9% (25/425), 0.3% (1/309), and 54.1% (144/266) in yaks, Tibetan sheep, and ticks, respectively. All positive samples were sequenced, and BLASTn analysis of the ompA gene sequences of SFG Rickettsia showed that all positive samples from animals and ticks had 99.04–100% identity with yak and horse isolates from Qinghai Province, China. BLASTn analysis of the sca4 gene sequences of SFG Rickettsia showed that all positive samples had 97.60–98.72% identity with tick isolates from Ukraine. In addition, the phylogenetic analysis showed that all the SFG Rickettsia ompA and sca4 sequences obtained from this study belong to the same clade as Rickettsia raoultii isolated from livestock and ticks from China and other countries. Molecularly, this study detected and characterized SFG Rickettsia both in the tick vectors and animals, suggesting that the relationship between SFG Rickettsia, tick species and animal hosts should be explored to understand their interrelationships, which provide a theoretical basis for preventing control of this pathogen. |
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Spotted Fever Group Rickettsia Infecting Ticks (Acari: Ixodidae), Yak (Bos grunniens), and Tibetan Sheep (Ovis aries) in the Qinghai–Tibetan Plateau Area, China |
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