GAMMA RAY INDUCED EFFECTS ON NEW SPECIES OF STREPTOMYCES (AEFO2) (HM775973.1GI:302495616) ISOLATED FROM EGYPTIAN SOIL
Author(s): El Shobaky Ahmed, Keyba HM and Moussa LA
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.
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