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Original Paper

Simultaneous Biodegradation of Phenol and n-Hexadecane by Cryogel Immobilized Biosurfactant Producing Strain Rhodococcus wratislawiensis BN38

The capability of the biosurfactant-producing strain Rhodococcus wratislawiensis BN38 to mineralize both aromatic and aliphatic xeno­biotics was proved. During semicontinuous cultivation 11 g/l phenol was completely degraded within 22 cycles by Rhodococcus free cells. Immobilization in a cryogel matrix was performed for the first time to enhance the biodegradation at multiple use. A stable simultaneous hydrocarbon biodegradation was achieved until the total depletion of 20 g/l phenol and 20

Alexander E. Hristov, Nelly E. Christova, Lyudmila V. Kabaivanova, Lilyana V. Nacheva, Ivanka B. Stoineva, Petar D. Petrov

Polish Journal of Microbiology , ISSUE 3, 287–293

Research Article

NITROAROMATIC COMPOUNDS – CHARACTERISTICS AND METHODS OF BIODEGRADATION

Nitroaromatic compounds are present in the environment mainly as industry products. They pose a serious risk to our health (often exhibiting strong mutagenic and carcinogenic effect) as well as to the environment. Most of the nitroaromatic compounds are stable due to considerable resistance to degradation and they persist in the environment for a long time. In this review, we present the current state of knowledge concerning biodegradation of nitroaromatic compounds. In the first part, general

Alicja Wysocka, Agata Olszyna, Iga Komorowska, Magdalena Popowska

Postępy Mikrobiologii - Advancements of Microbiology , ISSUE 3, 289–305

original-paper

Characterization of Ligninolytic Bacteria and Analysis of Alkali-Lignin Biodegradation Products

bacteria, which degrade lignin in nature, and to compare their degradation capabilities and analyze biodegradation products. Moreover, it could enjoy a broad array of uses in the comprehensive utilization of lignin resources in industry and agriculture. Experimental Materials and Methods Screening and identification of ligninolytic bacteria. The ligninolytic bacteria in this study were mainly isolated from soil, straw, and silage. The humus-rich soil samples were collected from the campus of Shanxi

YI XIONG, YARU ZHAO, KUIKUI NI, YUE SHI, QINGFANG XU

Polish Journal of Microbiology , ISSUE 3, 339–347

Original Paper

Metagenomic Analysis of Soil Bacterial Community and Level of Genes Responsible for Biodegradation of Aromatic Hydrocarbons

and forest soils. Furthermore, the dioxygenase level was also evaluated in the studied soils, which are genes encoding crucial enzymes for the decomposition of mono- and polycyclic aromatic hydrocarbons during the biodegradation of diesel oil (PAHRHDαGN, PAHRHDαGP, xylE, Cat 2,3, ndoB). It was concluded that both the population structure of the soil metabiome and the number of genes crucial for biodegradation processes differed significantly between the soils. The level of analysed

Jakub Czarny, Justyna Staninska-Pięta, Jolanta Powierska-Czarny, Jacek Nowak, Łukasz Wolko, Agnieszka Piotrowska-Cyplik

Polish Journal of Microbiology , ISSUE 3, 345–352

Original Paper

Isolation and Characterization of α-Endosulfan Degrading Bacteria from the Microflora of Cockroaches

, Citrobacter amolonaticus G4 and Acinetobacter lwoffii G5. This is the first study on the bacterial flora of Blatta orientalis evaluated for the biodegradation of α-endosulfan. After 10 days of incubation, the biodegradation yields obtained from P. aeruginosa G1, S. maltophilia G2, B. atrophaeus G3, C. amolonaticus G4 and A. lwoffii G5 were 88.5% , 85.5%, 64.4%, 56.7% and 80.2%, respectively. As a result, these bacterial strains may be utilized for biodegradation of endosulfan polluted soil and

Murat Ozdal, Ozlem Gur Ozdal, Omer Faruk Algur

Polish Journal of Microbiology , ISSUE 1, 63–68

Original Paper

Gene Expression during BTEX Biodegradation by a Microbial Consortium Acclimatized to Unleaded Gasoline and a Pseudomonas putida Strain (HM346961) Isolated from It

Jesús A. Morlett Chávez, Jorge Á. Ascacio Martínez, William E. Haskins, Hugo A. Barrera Saldaña, Karim Acuña Askar

Polish Journal of Microbiology , ISSUE 2, 189–199

Research Article

CRESOLS AND THE MICROORGANISMS OF THE SOIL ENVIRONMENT

Phenolic compounds, including cresols, in the soil environment are a result of natural processes such as: biodegradation of lignins and tannins, and anthropogenic activity. Cresols are present in disinfectants as well as in the wastewater from chemical, petrochemical, pharmaceutical, paper and textile industry. They are also used in the production of insecticides, herbicides, medicines and antioxidants and have been classified as hazardous substances. Exposure of microorganisms to cresols can

Magdalena Zaborowska

Postępy Mikrobiologii - Advancements of Microbiology , ISSUE 1, 7–17

Original Paper

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 , ISSUE 3, 365–375

Article

POLY-3-HYDROXYBUTYRATE AS AN EXAMPLE OF A BIOPOLYMER PRODUCED BY METHANOTROPHIC BACTERIA

material for many organic and inorganic liquids [28, 39]. Poly-3-hydroxybutyrate is also characterised by short biodegradation time. In terms of its physical properties, PHB is similar to polypropylene; therefore, it can successfully act as a substitute for this conventional polymer. However, while polypropylene floats on the surface of water, PHB sinks. This difference allows anaerobic breakdown of PHB in microbially active sediments. Poly-3-hydroxybutyrate is highly thermoplastic – its melting point

Adam Kubaczyński, Anna Pytlak, Zofia Stępniewska

Postępy Mikrobiologii - Advancements of Microbiology , ISSUE 3, 329–338

Original Paper

Isolation of Bacterial Endophytes from Phalaris arundinacea and their Potential in Diclofenac and Sulfamethoxazole Degradation

ANNA WĘGRZYN, EWA FELIS

Polish Journal of Microbiology , ISSUE 3, 321–331

Original Paper

Functional and Transcriptomic Characterization of a Dye-decolorizing Fungus from Taxus Rhizosphere

dealing with organic pollutants facilitates the fine-tuned manipulation of strains in developing novel bioremediation and biodegradation strategies.

DA CHENG HAO, SI MENG SONG, YAN CHENG, ZHI QIANG QIN, GUANG BO GE, BAI LIN AN, PEI GEN XIAO

Polish Journal of Microbiology , ISSUE 4, 417–430

Original Paper

Enzymes Involved in Naproxen Degradation by Planococcus sp. S5

Danuta Wojcieszyńska, Dorota Domaradzka, Katarzyna Hupert-Kocurek, Urszula Guzik

Polish Journal of Microbiology , ISSUE 2, 177–182

original-paper

Luffa cylindrica Immobilized with Aspergillus terreus QMS-1: an Efficient and Cost-Effective Strategy for the Removal of Congo Red using Stirred Tank Reactor

out to be the most reasonable species for the treatment of textile-effluents for the evacuation of toxic colors. Numerous fungal strains either in free-living or in the immobilized state have been utilized for the decolorization of various dyes (Prachi and Anushree 2009). The ability of fungi to decolorize dyes relies on three mechanisms, namely biosorption (Fu and Viraraghavan 2001), biodegradation (Conneely et al. 1999), and enzymatic mineralization (Wesenberg et al. 2003; Rojek et al. 2004

QANDEEL LARAIB, MARYAM SHAFIQUE, NUSRAT JABEEN, SEHAR AFSHAN NAZ, HAFIZ RUB NAWAZ, BARKAT SOLANGI, ARIF ZUBAIR, MUHAMMAD SOHAIL

Polish Journal of Microbiology , ISSUE 2, 193–203

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