The Science of Nature

, 106:8 | Cite as

In vitro biodegradation potential of airborne Aspergilli and Penicillia

  • Željko SavkovićEmail author
  • Miloš Stupar
  • Nikola Unković
  • Žarko Ivanović
  • Jovana Blagojević
  • Jelena Vukojević
  • Milica Ljaljević Grbić
Original Paper


The study addresses in vitro degradation potential of airborne Aspergillus and Penicillium/Talarmyces species originating from cultural heritage conservation premises. A series of rapid, cost effective biodegradation assays were performed to assess production of extracellular pigments, acids, and enzymes. Most of the isolates have demonstrated positive growth in at least one of the preformed tests. Strongest overall degradation potential was demonstrated for Penicillium brevicompactum, P. glabrum, and Talaromyces sayulitensis while Aspergillus domesticus, A. penicillioides, A. pseudoglaucus, and A. ruber did not exhibit positive reaction in any of the employed assays. Majority of isolates exhibited proteolytic and cellulolytic activity while carbonate dissolution was observed for only five tested fungi. Highest alteration of pH value in liquid media was documented for T. sayulitensis while A. niger and P. expansum exhibited strongest acid production on CREA. Certain isolates, mostly Penicillium species, displayed production of extracellular pigments. The results imply that many of the tested fungi have significant biodegradation capacity, indicating their potential to inflict structural and esthetic alterations on cultural heritage objects.


Acidic metabolites Aspergillus Biodegradation Enzyme production Extracellular pigments Penicillium 



This research was carried out as a part of the project No.173032 financially supported by the Ministry of Education, Science and Technological Development of the Republic of Serbia.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Željko Savković
    • 1
    Email author
  • Miloš Stupar
    • 1
  • Nikola Unković
    • 1
  • Žarko Ivanović
    • 2
  • Jovana Blagojević
    • 2
  • Jelena Vukojević
    • 1
  • Milica Ljaljević Grbić
    • 1
  1. 1.Faculty of Biology, Institute of Botany and Botanical Garden “Jevremovac”University of BelgradeBelgradeSerbia
  2. 2.The Institute for Plant Protection and EnvironmentBelgradeSerbia

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