Genetic Fingerprint unmasks Microbial Vandals - For the first time DNA analysis can identify paper-degrading microorganisms. This is made possible by a molecular process developed for fungal infected documents at the University of Vienna with support from the Austrian Science Fund FWF. Fungal species can now be clearly identified by means of a DNA region known as ITS1, making it easier to choose effective countermeasures for conserving historic documents. It is generally easy enough to say how the ravages of time take their toll on historically valuable papers. Given the right conditions, microorganisms such as fungi can colonise a document and gradually degrade it.
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