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Wyszukujesz frazę "Stradowski, M" wg kryterium: Autor


Tytuł:
Comparison of Hymenolepis diminuta WMS strain and WMS inbred line [IL1] at a time of intensified morphological variability of tapeworms
Autorzy:
Stradowski, M
Powiązania:
https://bibliotekanauki.pl/articles/837110.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Hymenolepis diminuta
strain
morphological variability
inbred line
comparison
tapeworm
Opis:
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.
Źródło:
Annals of Parasitology; 1998, 44, 4
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tapeworms morphological changeability in the chain of Hymenolepis diminuta WMS strain generations
Autorzy:
Stradowski, M
Powiązania:
https://bibliotekanauki.pl/articles/837268.pdf
Data publikacji:
1997
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Hymenolepis diminuta
generation group
cysticercoid
morphological change
length
proglottid
distribution
infection intensity
rat
tapeworm
Opis:
The investigations covered 54 subsequent generations of Hymenotepis diminuta WMS „strain" obtained through the administration of 6 cysticercoids of tapeworm to Wistar strain rats and WAG alb. rats. The number of tapeworms at 2.5 months after the infection of rats ranged from 3 to 6, on the average 5.2. Taking into consideration the most important type 1p2a (one testis on the poral side and two testes on the aporal side), 0p3a, 1p3a and 2p1a proglottids a significant differences was found in the distribution of the numerousity of type 1p3a proglottids (P<0.05). This indicates a possibility of an unguided change of the numerousity of proglottids of this type in a period covering 54 subsequent H. diminuta generations bred in laboratory conditions.
Źródło:
Annals of Parasitology; 1997, 43, 1
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ stłoczenia tasiemców Hymenolepis diminuta na budowe proglotydów w okresie ich wzmożonej zmienności
Autorzy:
Stradowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2149010.pdf
Data publikacji:
1996
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
proglotydy
pasozyty zwierzat
intensywnosc inwazji
dlugosc ciala
parazytologia
inwazja pasozytnicza
liczebnosc
Hymenolepis diminuta
tasiemce
Źródło:
Wiadomości Parazytologiczne; 1996, 42, 2; 185-195
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stymulacja zmian morfologicznych u tasiemców pochodzących z odległych od wyjściowego pokoleń hodowli wsobnej Hymenolepis diminuta - WMS IL1
Autorzy:
Stradowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2149101.pdf
Data publikacji:
1995
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
zmiany morfologiczne
parazytologia
hodowla wsobna
stymulacja
Hymenolepis diminuta
tasiemce
Opis:
The investigations focused on tapeworms obtained as a result of the administration to individual rats a dose of 6 cysticercoids coming from the 39th and 40th generation of one-specimen inbred Hymenolepis diminuta - WMS il1. In 7.5-month old tapeworms the position of genital pores (PGP) was exclusively right-hand side with the genital ducts typical of this feature. Type 0p3a proglottids were the most common deviation from the typical number and topography of testes - 1p2a (one testis between the ovary and the genital pore marking the poral side and two testes on the aporal side) - in such tapeworms. Their mean incidence amounted to 8.9%, exceeding by at least 2.9% the mean quantitative value of this feature in tapeworms proceeding from non-inbred H. diminuta „strains" which have been subjected to similar studies. 19.5-month old tapeworms, exactly a year older than the previous ones, all had variable PGP. The number of PGP changes was here correlated positively with the number of type 2p1a proglottids and negatively with the number of type 1p2a and 0p3a proglottids.
Źródło:
Wiadomości Parazytologiczne; 1995, 41, 4; 399-404
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dziedziczny charakter zmienności cech u Hymenolepis diminuta wyhodowanych z onkosfer określonego pochodzenia
Autorzy:
Stradowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2148984.pdf
Data publikacji:
1996
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
zmiennosc cech
parazytologia
onkosfery
pasozyty
dziedziczenie cech
Hymenolepis diminuta
tasiemce
Źródło:
Wiadomości Parazytologiczne; 1996, 42, 1; 95-101
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Struktura infrapopulacji małoliczebnych i zagęszczonych tasiemca Hymenolepis diminuta linii wsobnej - WMS IL1
Autorzy:
Stradowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2147848.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
szczury
linie wsobne
struktura populacji
zwierzeta doswiadczalne
parazytologia
pasozyty
Hymenolepis diminuta
tasiemce
Opis:
An average of 4.9 tapeworms were discovered on day 7 of a low-abundance H. diminuta infection of rats of race WAG alb. After 11 months, the mean was only relatively slightly tower at 3.6. These means represent 97.1 and 71.4% of the 5 cysticercoids supplied. In turn, 7 days and 11 months after rats were supplied with 110 cysticercoids, the respective percentages were 85.1 and 56.0. All 7- and 12-day tapeworms from the low-abundance and crowded infrapopulations were characterized by the presence of a terminal proglottid of lingulate shape, in which the excretory canals joined. In contrast, older (48-day and 11-month-old) worms showed typical apolysis of gravid proglottids. There were no reports of the destrobilation of tapeworms, and the relatively large number of tapeworms persisting 11 months into the infection is particularly noteworthy. The results point to the lack of any rapid rejection of tapeworms of the kind characterized in many other studies on H. diminuta.
Źródło:
Wiadomości Parazytologiczne; 2001, 47, 1; 127-135
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ doboru tasiemców macierzystych linii wsobnej Hymenolepis diminuta WMS IL1 na zmienność cech u tasiemców potomnych
Autorzy:
Stradowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2147675.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
proglotydy
dobor zwierzat
potomstwo
linie wsobne
zmiennosc cech
parazytologia
hodowla wsobna
osobniki macierzyste
Hymenolepis diminuta
tasiemce
Opis:
A continuation of a single-individual culture of Hymenolepis diminuta WMS ill 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%). The tapeworms investigated revealed a significant increase in the abundance of type 0p3a proglottids (those wilh 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 0p3a type proglottids in tapeworms of the first groups studied in experiment, including generations 37-39 and 40-42 were 9.2% and 9.5%, respectively. The last studied groups, including generations 61-63 and 64-66 had higher mean numbers of type 0p3a proglottids, at 11.1 % and 11.5%, respectively. The quantitative figures of 1p3a type proglottids amounted to 1.6% and 1.3% in first generation groups and in the last two groups 0.8% and 1.0%, respectively. The probable cause of this significant (P < 0.01) relative increase in the numbers of 0p3a 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 0p3a type proglottids greater and 1p3a type proglottids smaller than the a verage for their generation.
Źródło:
Wiadomości Parazytologiczne; 2002, 48, 1; 79-85
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wplyw doboru tasiemcow macierzystych linii wsobnej Hymenolepis diminuta WMS IL1 na zmiennosc cech u tasiemcow potomnych
Autorzy:
Stradowski, M
Powiązania:
https://bibliotekanauki.pl/articles/836412.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
proglotydy
dobor zwierzat
potomstwo
linie wsobne
zmiennosc cech
parazytologia
hodowla wsobna
osobniki macierzyste
Hymenolepis diminuta
tasiemce
Opis:
A continuation of a single-individual culture of Hymenolepis diminuta WMS ill 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%). The tapeworms investigated revealed a significant increase in the abundance of type 0p3a proglottids (those wilh 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 0p3a type proglottids in tapeworms of the first groups studied in experiment, including generations 37-39 and 40-42 were 9.2% and 9.5%, respectively. The last studied groups, including generations 61-63 and 64-66 had higher mean numbers of type 0p3a proglottids, at 11.1 % and 11.5%, respectively. The quantitative figures of 1p3a type proglottids amounted to 1.6% and 1.3% in first generation groups and in the last two groups 0.8% and 1.0%, respectively. The probable cause of this significant (P < 0.01) relative increase in the numbers of 0p3a 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 0p3a type proglottids greater and 1p3a type proglottids smaller than the a verage for their generation.
Źródło:
Annals of Parasitology; 2002, 48, 1; 79-85
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stymulacja zmian morfologicznych u tasiemcow pochodzacych z odleglych od wyjsciowego pokolen hodowli wsobnej Hymenolepis diminuta - WMS IL1
Autorzy:
Stradowski, M
Powiązania:
https://bibliotekanauki.pl/articles/838313.pdf
Data publikacji:
1995
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
zmiany morfologiczne
parazytologia
hodowla wsobna
stymulacja
Hymenolepis diminuta
tasiemce
Opis:
The investigations focused on tapeworms obtained as a result of the administration to individual rats a dose of 6 cysticercoids coming from the 39th and 40th generation of one-specimen inbred Hymenolepis diminuta - WMS il1. In 7.5-month old tapeworms the position of genital pores (PGP) was exclusively right-hand side with the genital ducts typical of this feature. Type 0p3a proglottids were the most common deviation from the typical number and topography of testes - 1p2a (one testis between the ovary and the genital pore marking the poral side and two testes on the aporal side) - in such tapeworms. Their mean incidence amounted to 8.9%, exceeding by at least 2.9% the mean quantitative value of this feature in tapeworms proceeding from non-inbred H. diminuta „strains" which have been subjected to similar studies. 19.5-month old tapeworms, exactly a year older than the previous ones, all had variable PGP. The number of PGP changes was here correlated positively with the number of type 2p1a proglottids and negatively with the number of type 1p2a and 0p3a proglottids.
Źródło:
Annals of Parasitology; 1995, 41, 4; 399-404
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Porownanie zmiennosci tasiemcow uzyskanych w wyniku zarazenia szczurow larwami Hymenolepis dimunuta w roznym wieku
Autorzy:
Stradowski, M
Powiązania:
https://bibliotekanauki.pl/articles/840150.pdf
Data publikacji:
1995
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
szczury
pasozyty zwierzat
parazytologia
inwazja pasozytnicza
larwy
Hymenolepis diminuta
tasiemce
Opis:
In Hymenolepis diminuta WMS "strain" tapeworms which were obtained 25 months after the administration to rats of 2-month old larvae - cysticercoids, isolated from Tribolium destructor, only one-sided position of genital pores (PGP) developed. The extended 7-month duration of the invasion of H. diminuta larvae stimulates the development of variable PGP already in 14.1 % of 2.5-month tapeworms. In tapeworms with exclusively one-sided PGP in the first of the two groups mentioned, the number of type 1p2a proglottids (1 testis on the poral side and 2 testes on the aporal side) as well as type 0p3a, 1p3a and 2p1a amounted to 88.2%, 5.5%, 4.2% and 0.5%, respectively and similary in the second group - 88.3%, 5.6%, 4.5% and 0.6%, respectively. In tapeworms with variable PGP the mean number of the types of proglottids mentioned was diflerent Crom (86.0%, 4.1 %, 3.8% and 4.1%, respectively) the same figure in tapeworms with one-sided PGP. Particularly high correlation was found to occur between the number of PGP variations and type 2p1a proglottids (r= +0.928, P<0.01).
Źródło:
Annals of Parasitology; 1995, 41, 2; 211-216
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł

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