Evaluation and Isolation of Halophilic Bacteria from the Meyghan Lake in Arak, Iran
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Background and Objectives
Halophilic bacteria can grow and survive in environments with a wide range a wide range of salinities. In this study, we aimed to isolate halophilic bacteria from the Meyghan Lake in Arak (Iran) and evaluate their enzymatic activity.
Methods
Samples were taken from four different areas of the lake. Halophilic bacteria were isolated by culture in moderate halophilic medium, sea water nutrient agar and nutrient agar containing different salt concentrations. Purification was done via consecutive culture methods, and production of extracellular hydrolytic enzymes including amylase, protease, lecithinase, DNase and lipase was evaluated.
Results
Among 74 bacteria isolated from the lake water samples, 24 produced amylase, 27 produced lipase (Tween 40 and 80), 68 produced protease, three produced DNase and 61 produced lecithinase.
Conclusion
In this study, we isolated halophilic bacteria with enzymatic activity and potential industrial applicationsKeywords:
Language:
English
Published:
Medical Laboratory Journal, Volume:12 Issue: 6, Nov-Dec 2018
Pages:
34 to 39
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