Occurrence of a diploid type and a new first intermediate host of a human lung fluke, Paragonimus westermani, in Korea

Gab Man Park, K. J. Lee, K. I. Im, H. Park, Taisoon Yong

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The biology, chromosome number, and karyotype of a lung fluke, Paragonimus westermani (Kerbert, 1878) collected in Haenam, Haenam-gun Chollanam-do, Korea were analyzed. We compared the size of metacercariae from Haenam with those taken from a crayfish collected at Youngam, Youngam-gun, Chollanamdo, Korea. The mean length of P. westermani metacercariae from Haenam was 300.3 μm and that from Youngam was 362.0 μm. Adult worms were recovered from the lungs of experimentally infected dogs. The mean egg sizes obtained from adult flukes were 72.1 × 46.8 μm from Haenam and 93.5 × 54.2 μm from Youngam. Semisulcospira tegulata collected in the Youngam area were found to be infected with cercariae of P. westermani, one of the snail-borne human lung fluke trematodes in Korea. Of 4218 snails studied, 5 (0.12%) harbored P. westrermani larvae. This is the first report of S. tegulata serving as the initial intermediate host of P. westermani. The chromosome numbers of P. westermani from Haenam and Youngam were 2n = 22 and 3n = 33. The diploid type of P. westermani has not been previously reported in Korea.

Original languageEnglish
Pages (from-to)206-212
Number of pages7
JournalExperimental Parasitology
Volume99
Issue number4
DOIs
Publication statusPublished - 2001 Jan 1

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Paragonimus westermani
Trematoda
Korea
Diploidy
Lung
Metacercariae
Snails
Firearms
Chromosomes
Cercaria
Astacoidea
Karyotype
Ovum
Larva
Dogs

All Science Journal Classification (ASJC) codes

  • Parasitology
  • Immunology
  • Infectious Diseases

Cite this

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abstract = "The biology, chromosome number, and karyotype of a lung fluke, Paragonimus westermani (Kerbert, 1878) collected in Haenam, Haenam-gun Chollanam-do, Korea were analyzed. We compared the size of metacercariae from Haenam with those taken from a crayfish collected at Youngam, Youngam-gun, Chollanamdo, Korea. The mean length of P. westermani metacercariae from Haenam was 300.3 μm and that from Youngam was 362.0 μm. Adult worms were recovered from the lungs of experimentally infected dogs. The mean egg sizes obtained from adult flukes were 72.1 × 46.8 μm from Haenam and 93.5 × 54.2 μm from Youngam. Semisulcospira tegulata collected in the Youngam area were found to be infected with cercariae of P. westermani, one of the snail-borne human lung fluke trematodes in Korea. Of 4218 snails studied, 5 (0.12{\%}) harbored P. westrermani larvae. This is the first report of S. tegulata serving as the initial intermediate host of P. westermani. The chromosome numbers of P. westermani from Haenam and Youngam were 2n = 22 and 3n = 33. The diploid type of P. westermani has not been previously reported in Korea.",
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Occurrence of a diploid type and a new first intermediate host of a human lung fluke, Paragonimus westermani, in Korea. / Park, Gab Man; Lee, K. J.; Im, K. I.; Park, H.; Yong, Taisoon.

In: Experimental Parasitology, Vol. 99, No. 4, 01.01.2001, p. 206-212.

Research output: Contribution to journalArticle

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