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  • Polish Journal Of Microbiology

 

Original Paper | 09-March-2018

A Low-Tech Bioreactor System for the Enrichment and Production of Ureolytic Microbes

microbes with high potential urease activity (> 10 μmol urea hydrolyzed per min per ml of enrichment culture) were repeatedly enriched under non-sterile conditions. In addition, the ureolytic enrichment obtained in this study showed in vitro calcium carbonate precipitation. Fluorescence in situ hybridization analysis showed the existence of bacteria of the phylum Firmicutes in the bioreactor system. Our data demonstrate that this DHS bioreactor system is a useful system for the enrichment and

Masataka Aoki, Takuya Noma, Hiroshi Yonemitsu, Nobuo Araki, Takashi Yamaguchi, Kazuyuki Hayashi

Polish Journal of Microbiology, Volume 67 , ISSUE 1, 59–65

original-paper | 28-June-2019

An Investigation of Petrol Metabolizing Bacteria Isolated from Contaminated Soil Samples Collected from Various Fuel Stations

(MH368054), IUBP14 (MH368055) and IUBP15 (MH368057) (Table I). Results Morphology. Nine petrol metabolizing bacteria were isolated from the soil sample of a petrol pump through enrichment culture technique. All isolated bacteria were found to be Gram-positive bacilli. The number of the bacteria was enumerated (Table SII). Molecular analysis. The molecular study used as the first level of screening classified nine petrol metabolizing bacteria into four groups (Fig. 1). Group I included three isolates

FATIMA MUCCEE, SAMINA EJAZ

Polish Journal of Microbiology, Volume 68 , ISSUE 2, 193–201

Original Paper | 04-September-2018

The Emergence of Different Functionally Equivalent PAH Degrading Microbial Communities from a Single Soil in Liquid PAH Enrichment Cultures and Soil Microcosms Receiving PAHs with and without Bioaugmentation

Polycyclic aromatic hydrocarbon (PAHs) are common soil contaminants of concern due to their toxicity toward plants, animals and microorganisms. The use of indigenous or added microbes (bioaugmentation) is commonly used for bioremediation of PAHs. In this work, the biodegradation rates and changes in the bacterial community structure were evaluated. The enrichment culture was useful for unambiguously identifying members of the soil bacterial community associated with PAH degradation and yielded

FRANCINE AMARAL PIUBELI, LIGIA GIBBI DOS SANTOS, EMILIA NARANJO FERNÁNDEZ, FLÁVIO HENRIQUE DA SILVA, LUCIA REGINA DURRANT, MATTHEW JAMES GROSSMAN

Polish Journal of Microbiology, Volume 67 , ISSUE 3, 365–375

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