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Gamma ray induced effects on new species of streptormyces (aefo2) (hm775973.1g:302495616) isolated from egyptian soil

El Ahmed Shobaky*, Keyba H. M., Moussa L. A.

Abstract


A new Streptomyces sp (AEFO2) isolated from Egyptian soil was exposed to increasing doses of gamma radiation up to 10 kGy and this isolate showed  high antimicrobial activities against bacteria, yeast, and fungi. The lethal dose of studied isolate was 5KGy. Dose level of 3.5 kGy enhanced the antimicrobial activity, pigmentation, melanin production, utilization of carbon sources of this isolate and also increased their sodium chloride tolerance from 5 to 8 % either at first or second generation after irradiation process . Dose level 3.5 kGy showed decreasing of the amount of DNA in both first and second generations also.

Keywords


Gamma Radiation; Streptomyces sp (AEFO2); Antimicrobial activity.

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References


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DOI: http://dx.doi.org/10.21746/ijbio.2014.12.009

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