INVESTIGATING THE EFFECT OF ENVIRONMENTAL PARAMETERS ON PIGMENTATION OF SOME TALAROMYCES STRAINS
محل انتشار: نوزدهمین کنگره بین المللی میکروب شناسی ایران
سال انتشار: 1397
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 343
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شناسه ملی سند علمی:
MEDISM19_323
تاریخ نمایه سازی: 13 مهر 1397
چکیده مقاله:
Background and Aim: The high production yields of pigments by the genus Talaromyces and their high thermal stability have implied that industrial application interests may appear in the food and textile industries. New sources of natural pigments are getting particular research interests due to the toxicity produced by synthetic colouring agents. Fungi may provide a readily available alternative source of natural pigments. In this study, we isolated a fungal strain from soils around of Lake Urmia. The growth and pigment production of the fungi was optimized to obtain highest yield. The present study aimed to assess the potential application of the pigments produced by Talaromyces spp.Methods:In this study, we examined one strain of Talaromyces stipitatus which was supplied from IBRC by the following deposition number:IBRC30060.To investigate effect of different temperature on growth and production of pigment , the media were incubated at different temperatures for 7 days. After 7 days the radial growth rates were measured. The effect of about 3% different sources of carbohydrates were examined on pigment production.Results:In this study, The fungi grew best and produced maximum pigment, when the temperature was maintained at 28°C. Starch was also found to be the most suitable carbohydrate source for the fungi.Conclusion:The native strains are widely available in natural environments. These results indicate that the selected fungal strains can serve as novel sources of pigments that have important industrial applications.
کلیدواژه ها:
نویسندگان
Parisa Yousefi
Department of Microbiology, Karaj Branch, Islamic Azad University Karaj, Iran
Mohammad Ali Amoozgar
Microorganisms Bank, Iranian Biological Resource Center, Alborz provience, Iran
Azam Haddadi
Department of Microbiology, Karaj Branch, Islamic Azad University Karaj, Iran