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Biodegradation Of The Synthetic Pyrethroid Insecticide Α-Cypermethrin By Stenotrophomonas Maltophilia Og2, Özlem Gür, Murat Özdal, Ömer Faruk Algur
Biodegradation Of The Synthetic Pyrethroid Insecticide Α-Cypermethrin By Stenotrophomonas Maltophilia Og2, Özlem Gür, Murat Özdal, Ömer Faruk Algur
Turkish Journal of Biology
A novel gram-negative bacterium, OG2, was isolated from the body microflora of cockroaches (Blatta orientalis). Based on morphological, biochemical, and 16S ribosomal DNA sequence analysis, the isolated strain OG2 was identified as Stenotrophomonas maltophilia. This bacterial strain was screened for its alpha-cypermethrin-degrading potential with minimal salt medium (MSM). The alpha-cypermethrin degradation and utilization ability of the isolated organism was verified. Bacterial growth was measured by optical density in the presence of the pesticide at different concentrations (50-200 mg/L). S. maltophilia OG2 utilized alpha-cypermethrin as the sole carbon source for growth, and alpha-cypermethrin degradation increased when MSM was supplemented with glucose. …
Phylogenetic Analysis And Characterization Of An Alkane-Degrading Yeast Strain Isolated From Oil-Polluted Soil, Ortansa Csutak, Tatiana Vassu
Phylogenetic Analysis And Characterization Of An Alkane-Degrading Yeast Strain Isolated From Oil-Polluted Soil, Ortansa Csutak, Tatiana Vassu
Turkish Journal of Biology
The isolation and phylogenetic analysis of new yeast strains represent an important basis for the development of practical applications in biotechnology, industry, and bioremediation. The yeast strain RG1 was isolated from oil-polluted soil and characterized using morphological observations and the API 20C AUX system. The amplified ITS1-5.8S rDNA-ITS2 region had 653 bp and the restriction profiles obtained with Cfo I, Dde I, Hae III, Hinf I, and Hpa II endonucleases showed high similarities with those from Rhodotorula glutinis reference strains. The phylogenetic tree based on the Cfo I patterns confirmed the classification of the strain RG1 as belonging to the …