Factors Influencing the Fungal Diversity on Audio–Visual Materials
2021
Tereza Branysova | Martina Kracmarova | Michal Durovic | Katerina Demnerova | Hana Stiborova
The biodeterioration of audio&ndash:visual materials is a huge problem, as it can cause incalculable losses. To preserve these cultural heritage objects for future generations, it is necessary to determine the main agents of biodeterioration. This study focuses on identifying fungi, both from the air and smears from photographs and cinematographic films that differ in the type of carrier and binder, using high-throughput sequencing approaches. The alpha diversity measures of communities present on all types of carriers were compared, and a significant difference between cellulose acetate and baryta paper was observed. Next, the locality, type of carrier, and audio&ndash:visual material seem to affect the structure of fungal communities. Additionally, a link between the occurrence of the most abundant classes and species on audio&ndash:visual materials and air contamination in the archives was proven. In both cases, the most abundant classes were Agariomycetes, Dothideomycetes, and Eurotiomycetes, and approximately half of the 50 most abundant species detected on the audio&ndash:visual materials and in the air were identical.
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