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A molecular perspective on the genera Paragonimus Braun, Euparagonimus Chen and Pagumogonimus Chen

Published online by Cambridge University Press:  11 April 2024

D. Blair*
Affiliation:
Department of Zoology and Tropical Ecology James Cook University, Townsville, Queensland, 4811, Australia
B. Wu
Affiliation:
Tropical Medicine Research Center and Institute of Parasitic Diseases, Chinese Academy of Preventive Medicine, Shanghai, China
Z.S. Chang
Affiliation:
Tropical Medicine Research Center and Institute of Parasitic Diseases, Chinese Academy of Preventive Medicine, Shanghai, China
X. Gong
Affiliation:
Tropical Medicine Research Center and Institute of Parasitic Diseases, Chinese Academy of Preventive Medicine, Shanghai, China
T. Agatsuma
Affiliation:
Laboratory of Environmental Health Science, Kochi Medical School, Oko, Nankoku City, Kochi 783-8505, Japan
Y.N. Zhang
Affiliation:
Tropical Medicine Research Center and Institute of Parasitic Diseases, Chinese Academy of Preventive Medicine, Shanghai, China
S.H. Chen
Affiliation:
Tropical Medicine Research Center and Institute of Parasitic Diseases, Chinese Academy of Preventive Medicine, Shanghai, China
J.X. Lin
Affiliation:
Fujian Institute of Parasitic Diseases, Fujian, China
M.G. Chen
Affiliation:
Tropical Medicine Research Center and Institute of Parasitic Diseases, Chinese Academy of Preventive Medicine, Shanghai, China
J. Waikagul
Affiliation:
Department of Helminthology, Faculty of Medicine, Mahidol University, Bangkok, Thailand
A.G. Guevara
Affiliation:
Laboratory of Clinical Investigations, Hospital Vozandes, Quito, Ecuador
Z. Feng
Affiliation:
Tropical Medicine Research Center and Institute of Parasitic Diseases, Chinese Academy of Preventive Medicine, Shanghai, China
G.M. Davis
Affiliation:
Academy of National Sciences of Philadelphia, USA
*
*Fax: +61 7 4725 1570 E-mail: david.blair@jcu.edu.au

Abstract

The status of the genera Euparagonimus Chen, 1963 and Pagumogonimus Chen, 1963 relative to Paragonimus Braun, 1899 was investigated using DNA sequences from the mitochondrial cytochrome c oxidase subunit I (CO1) gene (partial) and the nuclear ribosomal DNA second internal transcribed spacer (ITS2). In the phylogenetic trees constructed, the genus Pagumogonimus is clearly not monophyletic and therefore not a natural taxon. Indeed, the type species of Pagumogonimus,P. skrjabini from China, is very closely related to Paragonimus miyazakii from Japan. The status of Euparagonimus is less obvious. Euparagonimus cenocopiosus lies distant from other lungflukes included in the analysis. It can be placed as sister to Paragonimus in some analyses and falls within the genus in others. A recently published morphological study placed E. cenocopiosus within the genus Paragonimus and probably this is where it should remain.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1999

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