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1

Inhibitory effect of lactic acid bacteria of genus Lactobacillus on the survival of Proteus and Shigella rods in mixed cultures

100%
Paluszak Z., Bauza-Kaszewska J., Szala B.
Bulletin of the Veterinary Institute in Puławy
|
2006
|
tom 50
|
nr 3
2

New method for growth investigation of metabolically active microorganisms in mixed cultures

84%
Kitzman P.
Electronic Journal of Polish Agricultural Universities. Series Food Science and Technology
|
2006
|
tom 09
|
nr 4
3

Production of citric acid on sugar beet molasses by single and mixed cultures of Yarrowia lipolytica

84%
Zarowska B., Wojtatowicz M., Rymowicz W., Robak M.
Electronic Journal of Polish Agricultural Universities. Series: Biotechnology
|
2001
|
tom 04
|
nr 2
4

Biodegradation of phenol in batch culture by pure and mixed strains of Paenibacillus sp. and Bacillus cereus

84%
Singh S., Singh B. B., Chandra R.
Polish Journal of Microbiology
|
2009
|
tom 58
|
nr 4
319-325
The bacterial strains, Paenibacillus sp. (AY952466) and Bacillus cereus (DQ002384), have proven capacity to degrade lignin and pentachlorophenol. In the present study, both strains were screened at different concentrations of phenol on mineral salt agar medium in the presence of glucose. At optimized condition (pH 7.5 ± 0.2,37 ± 1°C, 120 rpm, 1% glucose w/v), it was observed that both Paenibacillus sp., B. cereus and its mixed culture degraded phenol (500 mg/l) up to 53.86%, 91.63% and 67.76% within 168 h of incubation, respectively. Phenol degradation was routinely monitored spectrophotometrically and further confirmed by HPLC. Catechol and 2-hydroxy muconic semialdehyde were identified as intermediate products from degraded samples using GC-MS. It was also observed that, in the absence of glucose, bacterial strains were unable to utilize phenol indicating the phenomenon of co-metabolism.
5

A comparative study of the life strategies of two bacterial-feeding nematodes under laboratory conditions. III. Influence of the initial nematode density on the interactions of Arobeloides nanus [De Man 1880] Anderson and Dolichorhabditis dolichura [Schneider 1866] Andrassy 1983 in mixed cultures

67%
Ilieva-Makulec K.
Polish Journal of Ecology
|
2001
|
tom 49
|
nr 2
6

Growth interactions between Pseudanabaena catenata Lauterborn, Chlorella sp., Stichococcus bacillaris Naegeli, and Scenedesmus acutus Meyen in mixed cultures

67%
Rzeczycka M., Przytocka-Jusiak M., Ciosek A.
Acta Hydrobiologica
|
1995
|
tom 37
|
nr 4
An investigation on the development of P. catenata, Chlorella sp., S. bacillaris, and S. acutus in mixed cultures showed that in 7 out of 11 variants of these cultures the dominating species was that whose specific growth rate was higher in monoculture. This phenomenon was not observed in the bialgal culture of Chlorella sp. and S. bacillaris and in 3 mixed cultures which, apart from other algae, included P. catenata and S. acutus. In the latter P. catenata always dominated, its growth being much faster than in the monoculture.
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