Isolation and characterization of phenol degrading yeasts from wastewater in the coking plant of Zarand, Kerman

Brazilian Journal of Microbiology : [publication of the Brazilian Society for Microbiology]
Maryam Karimi, Mehdi Hassanshahian

Abstract

Phenol and phenolic compounds are environmental pollutants present in industrial wastewaters such as coal tar, oil refineries and petrochemical plants. Phenol removal from industrial effluents is extremely important for the protection of environment. Usually, phenol degradation is carried out by physicochemical methods that are costly and produce hazardous metabolites. Recently, phenol biodegradation has been considered. Yeasts are the most important phenol biodegraders. In this study, the phenol-degrading yeast from environmental samples (soil and wastewater) was isolated from the coking plant of Zarand, Kerman. Then total heterotrophic yeasts were counted. The soil samples had higher rates of yeast degrader, in comparison to wastewater samples. After three passages, four yeasts (K1, K2, K7 and K11) that had the highest growth rate were selected for further study. Also, these yeasts were able to remove phenol measured by Gibbs reagent. The effect of four different concentrations of phenol (50, 125, 200 and 275) mgL(-1) was measured and three degradation patterns in these yeasts were observed. The hydrophobicity and emulsification activity were measured in all eleven yeasts. Finally, strong yeasts in phenol degrading yeasts wer...Continue Reading

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Citations

Oct 6, 2017·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Suheir I EreqatZiad A Abdeen
Jul 6, 2018·Journal of Mass Spectrometry : JMS·Sabyasachy Mistry, Paul G Wenthold
Jan 11, 2019·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Shadi SepehrMohsen Karrabi
Feb 23, 2019·Environmental Science and Pollution Research International·Birintha GanapathyNorahim Ibrahim
Apr 18, 2020·Journal of Water and Health·Mzimkhulu Ephraim MonapathiOwen Howard James Rhode
Jun 26, 2020·Scientific Reports·Jossue Ortiz-ÁlvarezCésar Hernández-Rodríguez
Jun 13, 2017·Water, Air, and Soil Pollution·Natalia FilipowiczHubert Cieśliński
May 28, 2019·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Moslem AbarianAkramsadat Esbah
Dec 15, 2020·Journal of Environmental Health Science & Engineering·Mehdi HassanshahianMahla Askarinejad Behzadi
Jul 15, 2020·The Science of the Total Environment·Tao YiNigel W T Quinn
Jan 20, 2022·World Journal of Microbiology & Biotechnology·Genesis Escobedo-MoralesMiriam Paulina Luévanos-Escareño

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Methods Mentioned

BETA
NMR
PCR

Software Mentioned

FASTA Nucleotide Database Query

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