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Tytuł oryginału: Wpływ doboru tasiemców macierzystych linii wsobnej Hymenolepis diminuta WMS il1 na zmienność cech u tasiemców potomnych.
Tytuł angielski: Influence of the selection of maternal Hymenolepis diminuta WMS il1 on the variability of descended tapeworms.
Autorzy: Stradowski Marek
Źródło: Wiad. Parazytol. 2002: 48 (1) s.79-85, il., tab., bibliogr. [8] poz., sum.
Sygnatura GBL: 303,658

Hasła klasyfikacyjne GBL:
  • genetyka
  • mikrobiologia

    Typ dokumentu:
  • praca doświadczalna

    Wskaźnik treści:
  • zwierzęta
  • szczury
  • płeć męska

    Streszczenie angielskie: A continuation of a single-individual culture of Hymenolepis diminuta WMS il1 from generations 37 to 66 revealed a very high infective ability of cysticercoids which is reflected in the percentage of tapeworms detected in relation to the number of cysticercoids given to rats (94.4 p.c.). The tapeworms investigated revealed a significant increase in the abundance of type Op3a proglottids (those with no testes on the poral side and 3 on the aporal) in tapeworms of successive generation groups. Each group of tapeworms analysed statistically belonged to three successive generations and numbered 31-34 individuals. The mean abundances of Op3a three successive generations and numbered 31-34 individuals. The mean abundances Op3a type proglottids in tapeworms of the first groups studied in experiment, including generations 37-39 and 40-42 were 9.2 p.c. and 9.5 p.c., respectively. The last studied groups, including generations 61-63 and 64-66 had higher mean numbers of type Op3a proglottids, at 11.1 p.c. and 11.5 p.c. respectively. The quantitative figures of 1p3a type proglottids amounted to 1.6 p.c. and 1.3 p.c. in first generation groups and in the last two groups 0.8 p.c. and 1.0 p.c. respectively. The probable cause of this significant P 0.001) relative increase in the numbers of Op3a type proglottids and decrease (P 0.01) in the numbers of 1p3a type proglottids was the deliberate selection of maternal tapeworms characterized by numbers of Op3a type proglottids greater and 1p3a type proglottids smaller than average for their generation.

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