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| Chinese Medical Journal, 2004, Vol. 117 No. 2:219-224 |
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| DNA sequences of Paragonimus skrjabini populations from five provinces in China |
| CHEN Ming-gang 陈名刚,
CHANG Zheng-shan 常正山,
CUI Ai-li 崔爱利,
David BLAIR,
ZHANG Yong-nian 张永年,
CHEN Shao-hong 陈韶红,
FENG Zheng 冯 正 |
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| Keywords:
Paragonimus skrjabini·Paragonimus szechuanensis·geographical strain·Taxonomy·DNA sequences |
| Abstract: |
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Background To study differences among Paragonimus skrjabini (P. skrjabini) populations from five provinces in China (Guangdong, Fujian, Yunnan, Hubei, and Sichuan) and Paragonimus szechuanensis.
Methods DNA sequences were obtained from the ITS2 and CO1 genes and phylogenetic trees were constructed from the results. Sequences were also obtained from several other species of Paragonimus for comparative purposes.
Results Although differences existed in the DNA sequence among P. skrjabini populations from five provinces, the differences were very small. There was also some resemblance between P. miyazakii from Japan and Fujian strains of P. skrjabini.
Conclusion All studied populations can be regarded as different strains of P. skrjabini; P. szechuanensis is not a separate species but may be a geographical strain of P. skrjabini. We also found that P. miyazakii may be synonymous with P. skrjabini.
Chinese Medical Journal 2004;117(2):219-224
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This study was supported by : This study was supported by a NIH/NIAID grant (No. P50 A139461), USA. |
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CHEN Ming-gang 陈名刚 Department of Schistosomiasis, National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai 200025, China;
CHANG Zheng-shan 常正山
National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai 200025, China;
CUI Ai-li 崔爱利
National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai 200025, China;
David BLAIR
National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai 200025, China;
ZHANG Yong-nian 张永年
School of Tropical Biology, James Cook University, Townsville, Queensland 4811, Australia;
CHEN Shao-hong 陈韶红
National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai 200025, China;
FENG Zheng 冯 正
National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai 200025, China
Correspondence to:
Chen Ming-gang
Department of Schistosomiasis, National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai 200025, China
(Tel:86-21-54650863 Fax:86-21-64332670 Email:mgchen6@hotmail.com )
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