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The electron transport chain in parasites

100%

Tielens A. G. M., Van Hellemond J. J.

Wiadomości Parazytologiczne

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1998

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tom 44

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nr 3

2

Dynamics of zooplankton structure in three small water bodies on the area of an agritourism farm

86%

Gozdziejewska A., Karpowicz M.

Teka Komisji Ochrony i Kształtowania Środowiska Przyrodniczego

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2013

|

tom 10

3

Influence of fodder silage type on fermentation processes and rumen microorganisms

86%

Krzywiecki S., Szyrner A., Pasternak A., Czarna Z.

Electronic Journal of Polish Agricultural Universities. Series Veterinary Medicine

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2006

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tom 09

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nr 2

The study was conducted on four beef cannulae put into forestomach of 500 kg mass in the Latin square system. The control group, apart from corn silage, was fed with hay, while experimental groups were fed trefoil silage, darnel or meadow trefoil-darnel mixture. The parameters characterizing changes taking place in the rumen as well as the number of bacteria and protozoa were determined in the rumen fluid collected before feeding and 1.5 h and 3 hours after feeding. The substitution of hay with silage caused the increase of N-NH3 concentration in the rumen and changed the fermentation profiles expressed by the increase of the amounts of the following acids: propanoic, pentanoic and iso-pentanoic, and the decrease of the following acids: acetic and butyric. The silage of meadow trefoil caused the increase of bacteria and protozoa count, while the darnel silage and meadow trefoil-darnel mixture only caused the increase of bacteria count, and reduced the protozoa count.

4

Ilościowe i jakościowe badania pierwotniaków (Protozoa) w glebach uprawnych

86%

Paprocki R.

Acta Universitatis Nicolai Copernici. Biologia

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1989

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tom 33[70]

5

Pierwotniaki - potencjalne zrodlo enzymow dla przemyslu spozywczego

86%

Kostyra H., Kostyra E., Lamparski G.

Przemysł Spożywczy

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2001

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tom 55

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nr 09

26028

Świat pierwotniaków obejmuje ok. 30 tys. gatunków. Cechą charakterystyczną pierwotniaków w porównaniu z innymi mikroorganizmami jest wytwarzanie przez każdą komórkę wszystkich enzymów koniecznych do całkowitego jej metabolizmu. Oznacza to, że każdy gatunek pierwotniaków jest źródłem dużej liczby enzymów. Przykładem mogą być enzymy lizosomalne należące do grupy hydrolaz, takie jak: esterazy, glikozydazy, nukleazy, peptydazy oraz hydrolazy bezwodników kwasowych i hydrolazy rozrywające wiązania pomiędzy fosforem i azotem. Wykorzystując w hodowli pierwotniaków odpowiednią dietę, można uzyskać enzymy o dużej specyficzności substratowej i aktywności. Wykorzystanie enzymów pierwotniaków w przemyśle spożywczym wydaje się być realne po opracowaniu ekonomicznie opłacalnych technologii produkcji pierwotniaków i metod pozyskiwania z nich enzymów.

6

Changes in the structure and nutrition preference of the protozoa community in standing water developed from running water

86%

Bereczky M. C.

Acta Protozoologica

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1991

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tom 30

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nr 1

7

Protozoologia i protozoolodzy z perspektywy rozwoju megasystematyki

86%

Kuznicki L.

Kosmos

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2000

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tom 49

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nr 4

513-521

8

The occurrence of monocystid gregarines in some Polish earthworms

86%

Pizl V.

Acta Protozoologica

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1990

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tom 29

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nr 4

9

The distribution of ciliates through the reticulo-rumen of sheep

86%

Michalowski T.

Acta Protozoologica

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1990

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tom 29

|

nr 3

10

Pierwotniaki pasożytnicze w materiale sekcyjnym z ptaków Puszczy Kampinoskiej

86%

Dymowska Z., Zukowski K.

Wiadomości Parazytologiczne

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1965

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tom 11

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nr 5

The purpose of the research carried out in the Kampinos Forest in 1963 was to determine the toxoplasm prevalence among the birds. The smears of the brain, pancreas, liver and blood were tested for the presence of the Protozoa. The preparations on the slides were stained with the Giemza method. A total of 330 birds belonging to 27 species were examined. No toxoplasm was found in 1550 preparations. However, the studies revealed the presence of the Protozoa of the family Haemoproteidae (Doflein, 1916) belonging to the Haemoproteus and Leucocytozoon genera. The Haemoproteus fringillae was found in the blood of 11 bird species, and Leucocytozoon sp. in the blood of 2 species.

11

Protozoa on the body of Euphausia superba Dana from Admiralty Bay (the South Shetland Islands)

86%

Rakusa-Suszczewski S., Filcek K.

Acta Protozoologica

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1988

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tom 27

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nr 1

12

Abundance and diversity of Gymnamoebae at varying soil sites in northeastern U.S.A.

86%

Bischoff P. J., Anderson O. R.

Acta Protozoologica

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1998

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tom 37

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nr 1

13

Preliminary study on the effect of exposure to low temperature on the viability of both mixed and monocultures of rumen Protozoa

86%

de la Fuente G., Perez-Quintana M., Cebrian J. A., Fondevila M.

Acta Protozoologica

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2006

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tom 45

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nr 3

14

A note about two hypotrich ciliate species of the genus Amphisiella

86%

Fernandez-Leborans G., Novillo A.

Acta Protozoologica

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2001

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tom 40

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nr 3

15

Effects of shock loads of salt on protozoan communities of activated sludge

86%

Salvado H., Mas M., Menendez S., Gracia P.

Acta Protozoologica

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2001

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tom 40

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nr 3

16

Diagnostics of cryptosporidiosis - own experience

86%

Grzeszczuk A., Kalinowska A.

Wiadomości Parazytologiczne

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1998

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tom 44

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nr 3

17

Effects of copper on ciliate communities from activated sludge plants

86%

Gracia M. P., Salvado H., Rius M., Amigo J. M.

Acta Protozoologica

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1994

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tom 33

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nr 4

18

The ciliated Protozoa of the pitcher plant Sarracenia purpurea

86%

Rojo-Herguedas I., Olmo J. L.

Acta Protozoologica

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1999

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tom 38

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nr 2

19

The sludge biotic index for the evaluation of the activated-sludge plant performance: the allocation of the ciliate Acineria uncinata to its correct functional group

86%

Madoni P.

Acta Protozoologica

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1996

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tom 35

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nr 3

20

In vitro studies on susceptibility of Acanthamoeba castellanii to selected chemical agents

86%

Chomicz L., Zebrowska J., Piekarczyk J., Starosciak B., Myjak P., Walski M., Kazimierczuk Z.

Acta Parasitologica

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2005

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tom 50

|

nr 1

Amoebae of the Acanthamoeba castellanii Neff strain, cultured in bacteria-free condition at room temperature, were tested in vitro for their susceptibility to selected chemical compounds. The amoebae, grown during 4 and 10 days following regular subculturing, were exposed for 24 h to three compounds: the newly synthesized imidazole derivatives (1) 2-methyl-3N-(4-nitrobenzyl)-5-nitro-1H-imidazole designated as AG16; (2) 2-methyl-3N-(3,5-dinitrobenzyl)-5-nitro-1H-imidazole designated as AG17 and to the (3) cationic antiseptic agent chlorhexidine digluconate (CHX). Two different concentrations of the above-mentioned substances were applied. The results showed that all chemicals tested had some amoebicidal effect on 4-day grown population of Acanthamoeba; variations in susceptibility of the amoebae, depending on the kind and concentration of the compounds occurred. It was also observed that several agents changed the relationship between A. castellanii trophozoites and cysts. Chlorhexidine digluconate caused a decrease in percentage of the trophozoites to 88.4% at higher concentration of the compound, 10 (μg/ml (in comparison to 97.8% from the control samples), however, significant increase of the cyst percentage, to 11.6% in assays with this concentration of Chlorhexidine were revealed (2.2% in the control samples). Tendency toward induction of encystment was also apparent when AG17 was applied. Because activation of the dormant cysts can lead to repeated development of amoebae, very important is cysticidal efficacy of tested agents. Among all compounds examined by us, the newly synthesized imidazole derivative AG16 was the most effective. It was expressed as decrease in average number of amoebae (to 655.6 × 10³/ml at concentration of the agent 8 μg/ml; 682.5 × 10³/ml in assays with CHX at concentration 4 μg/ml; 893 × 10³/ml in the control samples) connected with a clear cysticidal effect (1.4% of cysts at concentration 4 μg/ml of AG16).

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