stringent factor

strin·gent fac·tor

the gene product (an enzyme) that is crucial to the cellular response of decreased ribosome production as a result of amino acid starvation.
See also: stringent response.
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References in periodicals archive ?
Contenders for the 2016 Safety Award were assessed against stringent factors that included adult and child occupant protection, with pedestrian protection and additional safety innovations including new collision avoidance technologies also considered.
The cross-compliance conditions integrated in the reformed CAP include much more stringent factors linked to environmental pollution - this involves stronger regulation of pesticides, which have been widely shown to have a detrimental effect on the environment in higher doses.