directed mutation

directed mutation

(dī-rek'tĕd myū-tā'shŭn),
useful mutations occurring at specific genomic locations in response to particular conditions related to selection.
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subtilis 168, it was decided to inactivate the aprE gene of this bacterium encoding one of the major extracellular alkaline serine proteases, Subtilisin E, by site directed mutation of this gene using homologous recombination techniques.
The aim of the present study was the inactivation of aprE gene using site directed mutation at pro-sequence region.
They provide students and practitioners the groundwork, including articles on directed mutation, algebraic structures as measures of comparison, the design of fuzzy models through particle swarm optimization, and Bayesian methodologies for estimating the uncertainty of decisions in safety-critical systems.
3) In effect, developmental, epigenetically directed mutation becomes an extension of a global, non-linear, and adaptive stabilization within cells.
The last of these essays, "Between Language and Science: The Question of Directed Mutation in Molecular Genetics," is a fascinating look at the linguistic construction of the dichotomy between "random" and "purposive," and how the application of these terms to genetic variation may have obscured a far more complex picture of evolution than the ones we currently entertain.
It's impossible for now to completely rule out the possibility that some degree of directed mutation occurs in nature, says Bruce R.
Did Adaptive and Directed Mutation Evolve to Accelerate Stress-Induced Evolutionary Change?
Transposon-Mediated Adaptive and Directed Mutations and Their Potential Evolutionary Benefits," Journal of Molecular Microbiology and Biotechnology 21, no.
Perhaps the most conspicuous of these is the nature of the directed mutation pressure.
It is also important to note that the change in genetic make-up resulting from directed mutations is target-oriented and result-oriented.
Even assuming directed mutations with an epigenetic basis do indeed occur, there remains the problem of passing these onto the next generation.

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