| http://www.w3.org/ns/prov#value | - Detection, especially quantitative detection of a particular nucleic acid sequence, as an indication of the presence of an organism e.g. a pathogen in a clinical sample or a contaminant in a food or environmental sample, such as toxin-producing cyanobacteria in water sources, or of mRNA to show a change in transcription levels, is a valuable microbiological tool.
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