نتایج جستجو برای: sitedirected mutagenesis
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Purpose: The aim of this study was cloning the Gba enzyme in pUCBM21 plasmid, and making frame mutation on it and sequencing it. Materials and methods: mRNA was extracted from mouse spleen and glucocerebrosidase cDNA was synthesized and amplified by PCR with specific primers. cDNA was cloned in pUCBM21 and analyzed by restriction enzymes. A fragment of its sequence was deleted using MscI restr...
Stress-induced mutagenesis is a collection of mechanisms observed in bacterial, yeast, and human cells in which adverse conditions provoke mutagenesis, often under the control of stress responses. Control of mutagenesis by stress responses may accelerate evolution specifically when cells are maladapted to their environments, i.e., are stressed. It is therefore important to understand how stress...
Stress-induced mutagenesis is a widely observed phenomenon. Theoretical models have shown that stress-induced mutagenesis can be favoured by natural selection due to the beneficial mutations it generates. These models, however, assumed an error-free regulation of mutation rate in response to stress. Here, we explore the effects of errors in the regulation of mutagenesis on the evolution of stre...
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