Abstract
A major bottleneck in the development of detection assays is the availability of positive controls. Their acquisition can be problematic, their maintenance is expensive, and without them, assays cannot be validated. Herein, we present a novel strategy for the development of virus-mimicking artificial positive controls (ViMAPCs). The time between design and application is less than 5 days, unlike alternatives which normally take several weeks to obtain and implement. The ViMAPCs provide a realistic representation of natural infection unlike alternatives and allow for an effortless recognition of laboratory-based contamination. The feasibility and adaptability of the strategy was evaluated using several RNA and DNA plant viruses. ViMAPCs can be used in diagnostics laboratories but also in the monitoring of pathogen outbreaks where rapid response is of utmost importance.
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