Multiple analysis has characterized a recently described tapeworm of people, Taenia asiatica, in mainland China. Six adult tapeworms collected from people of the Zhuang minority residing in the southern part of China (Luzhai isolate) were comparatively analyzed with other tapeworms from people: T. asiatica (n = 2, South Korea), T. saginata (n = 1, Poland; n = 1, Korea), and T. solium (n = 1, People's Republic of China). Experimental infections with eggs from the Luzhai isolate in pigs and cattle produced cysticerci, each with a hookletless scolex and with wartlike formations on the external surface of the bladder wall. There were rostellar protrusions in the scolices of adult worms. Random amplified polymorphic DNA analysis using 3 arbitrary primers produced bands identical to those of the Korean T. asiatica. Conversely, T. saginata and T. solium exhibited different banding patterns. Phylogenetic relationships inferred from the complete nucleotide sequences of the internal transcribed spacer 2 placed the Chinese tapeworms consistently within the T. asiatica clade by 96% bootstrapping value in the maximum likelihood analysis, 96% in maximum parsimony, and 100% in neighbor joining. These collective data demonstrate that T. asiatica is sympatrically distributed with the other 2 species of Taenia in the human host in mainland China.
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August 2002
SYSTEMATICS-PHYLOGENETICS|
August 01 2002
IDENTIFICATION OF TAENIA ASIATICA IN CHINA: MOLECULAR, MORPHOLOGICAL, AND EPIDEMIOLOGICAL ANALYSIS OF A LUZHAI ISOLATE
Keeseon S. Eom;
Keeseon S. Eom
Department of Parasitology and Medical Research Institute, Chungbuk National University College of Medicine, Chongju, Chungbuk 360-763, South Korea. kseom@med.chungbuk.ac.kr
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Hyung-Kyu Jeon;
Hyung-Kyu Jeon
Department of Parasitology and Medical Research Institute, Chungbuk National University College of Medicine, Chongju, Chungbuk 360-763, South Korea. kseom@med.chungbuk.ac.kr
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Yoon Kong;
Yoon Kong
Department of Parasitology and Medical Research Institute, Chungbuk National University College of Medicine, Chongju, Chungbuk 360-763, South Korea. kseom@med.chungbuk.ac.kr
* Department of Molecular Parasitology, Sungkyunkwan University School of Medicine, Suwon, South Korea
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Ui Wook Hwang;
Ui Wook Hwang
Department of Parasitology and Medical Research Institute, Chungbuk National University College of Medicine, Chongju, Chungbuk 360-763, South Korea. kseom@med.chungbuk.ac.kr
† Department of Parasitology and Institute of Tropical Medicine, Yonsei University College of Medicine, Seoul, South Korea, and Department of Biology, Teachers College, Kyungpook National University, Taegu, South Korea
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Yichao Yang;
Yichao Yang
Department of Parasitology and Medical Research Institute, Chungbuk National University College of Medicine, Chongju, Chungbuk 360-763, South Korea. kseom@med.chungbuk.ac.kr
‡ Guangxi Institute for Parasitic Diseases, Nanning, Guangxi, People's Republic of China
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Xueming Li;
Xueming Li
Department of Parasitology and Medical Research Institute, Chungbuk National University College of Medicine, Chongju, Chungbuk 360-763, South Korea. kseom@med.chungbuk.ac.kr
‡ Guangxi Institute for Parasitic Diseases, Nanning, Guangxi, People's Republic of China
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Longqi Xu;
Longqi Xu
Department of Parasitology and Medical Research Institute, Chungbuk National University College of Medicine, Chongju, Chungbuk 360-763, South Korea. kseom@med.chungbuk.ac.kr
§ Institute of Parasitic Diseases, Chinese Academy of Preventive Medicine, Shanghai, People's Republic of China
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Zheng Feng;
Zheng Feng
Department of Parasitology and Medical Research Institute, Chungbuk National University College of Medicine, Chongju, Chungbuk 360-763, South Korea. kseom@med.chungbuk.ac.kr
§ Institute of Parasitic Diseases, Chinese Academy of Preventive Medicine, Shanghai, People's Republic of China
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Zbigniew S. Pawlowski;
Zbigniew S. Pawlowski
Department of Parasitology and Medical Research Institute, Chungbuk National University College of Medicine, Chongju, Chungbuk 360-763, South Korea. kseom@med.chungbuk.ac.kr
∥ Clinic of Parasitic and Tropical Diseases, University School of Medicine, Poznan, Poland
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Han-Jong Rim
Han-Jong Rim
Department of Parasitology and Medical Research Institute, Chungbuk National University College of Medicine, Chongju, Chungbuk 360-763, South Korea. kseom@med.chungbuk.ac.kr
# Korea University School of Medicine, Seoul, South Korea
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J Parasitol (2002) 88 (4): 758–764.
Citation
Keeseon S. Eom, Hyung-Kyu Jeon, Yoon Kong, Ui Wook Hwang, Yichao Yang, Xueming Li, Longqi Xu, Zheng Feng, Zbigniew S. Pawlowski, Han-Jong Rim; IDENTIFICATION OF TAENIA ASIATICA IN CHINA: MOLECULAR, MORPHOLOGICAL, AND EPIDEMIOLOGICAL ANALYSIS OF A LUZHAI ISOLATE. J Parasitol 1 August 2002; 88 (4): 758–764. doi: https://doi.org/10.1645/0022-3395(2002)088[0758:IOTAIC]2.0.CO;2
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