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1998 | 44 | 4 |

Tytuł artykułu

Comparison of Hymenolepis diminuta WMS strain and WMS inbred line [IL1] at a time of intensified morphological variability of tapeworms

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Treść / Zawartość

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
9-months tapeworms obtained from 3- 6-specimen populations of the 42nd generation of Hymenolepis diminuta WMS „strain" were compared with tapeworms obtained from quantitatively similar populations deriving from one-specimen infections of H. diminuta WMS il1. In both groups of tapeworms the majority of strobilas had unilateral position of genital pares (PGP), while the remaining ones were characterized by variable PGP. The latter appeared in 41.4% of H. diminuta WMS „strain" tapeworms and in only 24.6% of tapeworms coming from H. diminuta WMS il1. In tapeworms with unilateral as well as with variable PGP deriving from H. diminuta WMS il1, the average number of type 0p3a proglottids (all three testes on the aporal side) was significantly higher than in H. diminuta WMS „strain". It results most probably from suitable selection of mother specimens for successive generations of H. diminuta WMS il1. In both compared groups the growth of the number of PGP changes was correlated positively with the number of type 2p1a proglottids and negatively with the numer of type 1p2a and 0p3a proglottids.

Wydawca

-

Rocznik

Tom

44

Numer

4

Opis fizyczny

p.681-691,fig.,ref.

Twórcy

autor
  • Medical School, Chalubinskiego 4, 02-004 Warsaw, Poland

Bibliografia

  • BURT M. D. B. 1980. Aspects of the life history and systematics of Hymenolepis diminuta. In: H. P. Arai [Ed.]. Biology of the tapeworm Hymenolepis diminuta. Academic Press, New York: 1-57.
  • CHAPPELL L. H., PIKE A. N. 1976. Loss of Hymenolepis diminuta from the rat. International Journal for Parasitology 6: 333-339.
  • HARRIS W. G., TURTON J. A. 1973. Antibody response to the tapeworm Hymenolepis diminuta in the rat. Nature 246: 521-522.
  • JOHRI G. N. 1959. Studies on some cestode parasites. III. Variability in the number and position of testes in some unarmed species of Hymenolepis from mammals. Proceedings of the National Academy of Sciences, India, Sect. B, 29: 134-142.
  • JONES A. W., FITZGERALD M. D., PROFFITT M. R., TAN B. D., WARD H. D. 1971. Prolonged selfing in Hymenolepis microstoma (Cestoda). Experimental Parasitology 29: 223-229.
  • MEAD R. W., ZAPPAS N., THOMFORD J., KRUMP M. A. 1986. Developmental changes in Hymenolepis citelli and Hymenolepis diminuta during patency. Journal of Parasitology 72: 908-912.
  • MONTGOMERY S. S. J., MONTGOMERY W. I., DUNN T. S. 1987. Biochemical, physiological and morphological variation in unarmed hymenolepids (Eucestoda: Cyclophyllidae). Zoological Journal of the Linneon Society 91: 293-324.
  • NAKAMURA F ., OKAMOTO K. 1993. Reconsideration on the effects of selfing on the viability of Hymenolepis nana. International Journal for Parasitology. 23: 931-936.
  • NEVEU-LEMAIRE M. 1936. Traite D'helminthologie Medicale et Veterinaire. Genre Hymenolepis Weinland 1858: 481-484.
  • PAPPAS P. W., LEIBY D. A. 1986. Variation in the sizes of eggs and oncospheres and the numbers and distribution of testes in the tapeworm, Hymenolepis diminuta. Journal of Parasitology 72: 383-391.
  • READ C. P. 1967. Longevity of the tapeworm, Hymenolepis diminuta. Ibidem 53: 1055-1056.
  • ROGERS W. A., ULMER M. J. 1963. Effects of continued selfing of Hymenolepis nana (Cestoda). Proceedings of the Iowa Academy of Science 69: 557-571.
  • SCHMIDT G. D. 1986. Handbook of Tapeworm Identification: 288-289.
  • STRADOWSKI M. 1989. Correlation between testes' position and genital pore placement in Hymenolepis diminuta. Acta Parasitologica Polonica 34: 145-153.
  • - 1993. Variability of the position of organs in Hymenolepis diminuta tapeworm at different ages. Acta Parasitologica 38: 23-28.
  • - 1994. Effects of inbreeding in Hymenolepis diminuta (Cestoda). Ibidem 39: 146-149.
  • - 1997. Tapeworms morphological changeability in the chain of Hymenolepis diminuta WMS ,,strain" generations. Wiadomości Parazytologiczne 43: 61-68.
  • VOGE M. 1952a. Variation in some unarmed Hymenolepididae (Cestoda) from rodents. University of California Publications in Zoology 57: 1-36.
  • - 1952b. Variability of Hymenolepis diminuta in the laboratory rat and in the ground squirrel Citellus leucurus. Journal of Parasitology 38: 454-456.

Typ dokumentu

Bibliografia

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