The First Molecular Detection of <i>Theileria luwenshuni</i> from <i>Haemaphysalis mageshimaensis</i> on Orchid Island, Taiwan, with No Evidence of SFTSV

Theileriosis is considered an economically important disease that may decrease productivity and cause a high mortality rate in livestock. Only a few studies have reported <i>Theileria</i> spp., such as <i>T. sergenti</i> and <i>T. buffeli</i>, in recent decades in...

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Main Authors: Pai-Shan Chiang, I-Jung Tsai, Yuan-Wei Hu, Hung-Jui Chen, I-Jen Chen, Hwa-Jen Teng, Shiu-Ling Chen
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Pathogens
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Online Access:https://www.mdpi.com/2076-0817/14/3/241
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author Pai-Shan Chiang
I-Jung Tsai
Yuan-Wei Hu
Hung-Jui Chen
I-Jen Chen
Hwa-Jen Teng
Shiu-Ling Chen
author_facet Pai-Shan Chiang
I-Jung Tsai
Yuan-Wei Hu
Hung-Jui Chen
I-Jen Chen
Hwa-Jen Teng
Shiu-Ling Chen
author_sort Pai-Shan Chiang
collection DOAJ
description Theileriosis is considered an economically important disease that may decrease productivity and cause a high mortality rate in livestock. Only a few studies have reported <i>Theileria</i> spp., such as <i>T. sergenti</i> and <i>T. buffeli</i>, in recent decades in Taiwan. In the present study, 401 ticks have been collected on Orchid Island in June 2022 and April 2023. Our environmental investigation for SFTSV unintentionally discovered <i>T. luwenshuni</i> in <i>Haemaphysalis mageshimaensis</i> on Orchid Island via PCR. The PCR products were sequenced, and the detected 18S rRNA gene sequences shared a 99.65–99.93% identity with <i>T. luwenshuni</i> sequences from ticks and ruminants in Myanmar and China. Despite the difficulty in clarifying the source of <i>T. luwenshuni</i> within neighboring regions, our findings provide an updated distribution of <i>T. luwenshuni</i> in Asia. This is not only the first time that <i>T. luwenshuni</i> was found in <i>H. mageshimaensis</i> but also the first report of <i>T. luwenshuni</i> on Orchid Island, Taiwan. Our study indicates that ruminants may be at risk of infection. Therefore, further investigations are needed to determine the distribution of <i>T. luwenshuni</i> among ruminants on Orchid Island and in Taiwan.
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spelling doaj-art-51d3521a01e341978981aacd10e2e6d22025-08-20T03:43:34ZengMDPI AGPathogens2076-08172025-03-0114324110.3390/pathogens14030241The First Molecular Detection of <i>Theileria luwenshuni</i> from <i>Haemaphysalis mageshimaensis</i> on Orchid Island, Taiwan, with No Evidence of SFTSVPai-Shan Chiang0I-Jung Tsai1Yuan-Wei Hu2Hung-Jui Chen3I-Jen Chen4Hwa-Jen Teng5Shiu-Ling Chen6Center for Diagnostics and Vaccine Development, Centers for Disease Control, Ministry of Health and Welfare, No. 6, Linsen S. Road, Taipei City 10050, TaiwanCenter for Diagnostics and Vaccine Development, Centers for Disease Control, Ministry of Health and Welfare, No. 6, Linsen S. Road, Taipei City 10050, TaiwanTaiwan Forestry Research Institute, No. 53, Nanhai Road, Taipei City 10066, TaiwanCenter for Diagnostics and Vaccine Development, Centers for Disease Control, Ministry of Health and Welfare, No. 6, Linsen S. Road, Taipei City 10050, TaiwanCenter for Diagnostics and Vaccine Development, Centers for Disease Control, Ministry of Health and Welfare, No. 6, Linsen S. Road, Taipei City 10050, TaiwanCenter for Diagnostics and Vaccine Development, Centers for Disease Control, Ministry of Health and Welfare, No. 6, Linsen S. Road, Taipei City 10050, TaiwanCenter for Diagnostics and Vaccine Development, Centers for Disease Control, Ministry of Health and Welfare, No. 6, Linsen S. Road, Taipei City 10050, TaiwanTheileriosis is considered an economically important disease that may decrease productivity and cause a high mortality rate in livestock. Only a few studies have reported <i>Theileria</i> spp., such as <i>T. sergenti</i> and <i>T. buffeli</i>, in recent decades in Taiwan. In the present study, 401 ticks have been collected on Orchid Island in June 2022 and April 2023. Our environmental investigation for SFTSV unintentionally discovered <i>T. luwenshuni</i> in <i>Haemaphysalis mageshimaensis</i> on Orchid Island via PCR. The PCR products were sequenced, and the detected 18S rRNA gene sequences shared a 99.65–99.93% identity with <i>T. luwenshuni</i> sequences from ticks and ruminants in Myanmar and China. Despite the difficulty in clarifying the source of <i>T. luwenshuni</i> within neighboring regions, our findings provide an updated distribution of <i>T. luwenshuni</i> in Asia. This is not only the first time that <i>T. luwenshuni</i> was found in <i>H. mageshimaensis</i> but also the first report of <i>T. luwenshuni</i> on Orchid Island, Taiwan. Our study indicates that ruminants may be at risk of infection. Therefore, further investigations are needed to determine the distribution of <i>T. luwenshuni</i> among ruminants on Orchid Island and in Taiwan.https://www.mdpi.com/2076-0817/14/3/241<i>Theileria luwenshuni</i><i>Haemaphysalis mageshimaensis</i>tickOrchid IslandTaiwan
spellingShingle Pai-Shan Chiang
I-Jung Tsai
Yuan-Wei Hu
Hung-Jui Chen
I-Jen Chen
Hwa-Jen Teng
Shiu-Ling Chen
The First Molecular Detection of <i>Theileria luwenshuni</i> from <i>Haemaphysalis mageshimaensis</i> on Orchid Island, Taiwan, with No Evidence of SFTSV
Pathogens
<i>Theileria luwenshuni</i>
<i>Haemaphysalis mageshimaensis</i>
tick
Orchid Island
Taiwan
title The First Molecular Detection of <i>Theileria luwenshuni</i> from <i>Haemaphysalis mageshimaensis</i> on Orchid Island, Taiwan, with No Evidence of SFTSV
title_full The First Molecular Detection of <i>Theileria luwenshuni</i> from <i>Haemaphysalis mageshimaensis</i> on Orchid Island, Taiwan, with No Evidence of SFTSV
title_fullStr The First Molecular Detection of <i>Theileria luwenshuni</i> from <i>Haemaphysalis mageshimaensis</i> on Orchid Island, Taiwan, with No Evidence of SFTSV
title_full_unstemmed The First Molecular Detection of <i>Theileria luwenshuni</i> from <i>Haemaphysalis mageshimaensis</i> on Orchid Island, Taiwan, with No Evidence of SFTSV
title_short The First Molecular Detection of <i>Theileria luwenshuni</i> from <i>Haemaphysalis mageshimaensis</i> on Orchid Island, Taiwan, with No Evidence of SFTSV
title_sort first molecular detection of i theileria luwenshuni i from i haemaphysalis mageshimaensis i on orchid island taiwan with no evidence of sftsv
topic <i>Theileria luwenshuni</i>
<i>Haemaphysalis mageshimaensis</i>
tick
Orchid Island
Taiwan
url https://www.mdpi.com/2076-0817/14/3/241
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