ISOLATION AND CHARACTERIZATION OF A SELENITE RESISTANT MARINE YEAST STRAIN AND ITS APPLICATION IN SELENITE BIOREMEDIATION

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ASHENGROPH M.; RAZIEH ARJMAND R.

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Journal: Journal of Molecular and Cellular Researches Year:2016 | Volume:29 | Issue:1 Page(s): 1-14

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Title

ISOLATION AND CHARACTERIZATION OF A SELENITE RESISTANT MARINE YEAST STRAIN AND ITS APPLICATION IN SELENITE BIOREMEDIATION

Author(s)

ASHENGROPH M. | RAZIEH ARJMAND R. | Issue Writer Certificate

Keywords

RESISTANCE PATTERNQ1

BIOREMEDIATIONQ1

SELENITEQ2

TRICHOSPORON SP. CAS SE5Q1

Abstract

Application of microorganisms as natural and cost-effective catalysts to reduce and remove SELENITE from environment is remarkably on the rise. In the current study, potential of SELENITE resistant marine yeasts for the BIOREMEDIATION of SELENITE-polluted sites was investigated. Samples were collected from regions in the Persian Gulf and the Caspian Sea. Isolation of the yeast strains was performed via enrichment cultures in media containing SELENITE. ELISA miocroplate was used to determine RESISTANCE PATTERNs of the yeast strains to SELENITE. A colorimetric method has been developed for the evaluation of SELENITE removal. Molecular Characterization was performed based on amplification the ITS1-5.8S-ITS2 rDNA regions. The effect of different parameters such as initial concentrations of SELENITE, biomass, NaCl and initial pH, temperature, agitation as well as time of incubation on SELENITE removal efficiency was studied. According to the results obtained in the study, the highest SELENITE resistance (22 g/L) was found in the yeast strain Cas se5 isolated from Caspian Sea. The strain was identified to the genus Trichosporon. Based on the results of SELENITE removal experiments, the yeast strain Cas se5 is capable remove 93% of SELENITE at initial concentration of 10 g/l with a removal rate of 0.26 g/L/h under initial concentrations of 10 g/L of SELENITE, 35 g/L of biomass and 2.5% (w/v) NaCl and initial pH 7.4, temperature of 30º C and agitation rate of 100 rpm After a 72-hour incubation. This paper is the first report on isolation of Trichosporon genus with potential of SELENITE removal from Caspian Sea. The isolated yeast is expected to play an important role as catalyst for the remediation of SELENITE-contaminated waters and wastewaters.

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APA: Copy

ASHENGROPH, M., & RAZIEH ARJMAND, R.. (2016). ISOLATION AND CHARACTERIZATION OF A SELENITE RESISTANT MARINE YEAST STRAIN AND ITS APPLICATION IN SELENITE BIOREMEDIATION. JOURNAL OF MOLECULAR AND CELLULAR RESEARCH (IRANIAN JOURNAL OF BIOLOGY), 29(1 ), 1-14. SID. https://sid.ir/paper/248429/en

Vancouver: Copy

ASHENGROPH M., RAZIEH ARJMAND R.. ISOLATION AND CHARACTERIZATION OF A SELENITE RESISTANT MARINE YEAST STRAIN AND ITS APPLICATION IN SELENITE BIOREMEDIATION. JOURNAL OF MOLECULAR AND CELLULAR RESEARCH (IRANIAN JOURNAL OF BIOLOGY)[Internet]. 2016;29(1 ):1-14. Available from: https://sid.ir/paper/248429/en

IEEE: Copy

M. ASHENGROPH, and R. RAZIEH ARJMAND, “ISOLATION AND CHARACTERIZATION OF A SELENITE RESISTANT MARINE YEAST STRAIN AND ITS APPLICATION IN SELENITE BIOREMEDIATION,” JOURNAL OF MOLECULAR AND CELLULAR RESEARCH (IRANIAN JOURNAL OF BIOLOGY), vol. 29, no. 1 , pp. 1–14, 2016, [Online]. Available: https://sid.ir/paper/248429/en

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