Natural regulators of intracellular ribonuclease activity ofAspergillus clavatus |
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Authors: | G S Ivanova A M Bezborodov |
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Institution: | 1. Institute of Biochemistry and Physiology of Microorganisms, Academy of Sciences of the U.S.S.R., Pushchino na Oke
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Abstract: | Aspergillus clavatus 1816 was found to produce ribonuclease both exo-end endocellularly, some of the endocellular activity being subject to inhibition by a specific protein. The protein inhibitor was purified 50-fold from a 4-day culture and was shown to be insensitive to deoxyribonuclease, highly temperature-stable and to possess a molecular weight of 13,000. It was active towardAspergillus clavatus enzymes only. Besides the specific inhibitor, ribonuclease activity was affected also by a number of nucleic acid bases, nucleosides and nucleotides. |
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