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Biofilms on solar panel surfaces – new materials, long-known colonisers

  • Simple, microbial biofilms have prevailed since life began on Earth. Biofilms form at the interfaces of solids with gases or liquids and have multiple effects on Substrate and element cycles. In geobiological terms, the most interesting microbial communities are those that form on solids exposed to air (subaerial). Microbial colonisers of the atmosphere-lithosphere interface include algae, cyanobacteria, fungi as well as heterotrophic bacteria and they have colonised virtually every rock surface throughout the entire geological history of the Earth. In addition to sequestering carbon, sub-aerial biofilms (SABS) actively participate in rock weathering. Rock-inhabiting SABs are the primary settlers on lava following volcanic eruptions and on rocks following the retreat of glaciers. SABs especially dominate hostile environments in which growth of higher Vegetation is restricted especially in deserts, polar- and alpine regions. SABs are the primary colonisers of lithospheric (e.g. rocks)Simple, microbial biofilms have prevailed since life began on Earth. Biofilms form at the interfaces of solids with gases or liquids and have multiple effects on Substrate and element cycles. In geobiological terms, the most interesting microbial communities are those that form on solids exposed to air (subaerial). Microbial colonisers of the atmosphere-lithosphere interface include algae, cyanobacteria, fungi as well as heterotrophic bacteria and they have colonised virtually every rock surface throughout the entire geological history of the Earth. In addition to sequestering carbon, sub-aerial biofilms (SABS) actively participate in rock weathering. Rock-inhabiting SABs are the primary settlers on lava following volcanic eruptions and on rocks following the retreat of glaciers. SABs especially dominate hostile environments in which growth of higher Vegetation is restricted especially in deserts, polar- and alpine regions. SABs are the primary colonisers of lithospheric (e.g. rocks) and anthropogenic Substrates (buildings, monuments, solar panels, etc.). Life at the solid material/atmosphere interface influences and is affected by both the underlying Substrate and the microclimate surrounding it. Although subaerial life is ubiquitous, how SABs develop and importantly degrade underlying Substrates can only be clarified in well-controlled experiments that often involve simplified model Systems, So far, biofilm development on solar panels has been studied using; (i) metagenomics; (ii) in situ microscopy; and (iii) classical microbiological methods that are both qualitative and quantitative. Here we suggest that solar panel biofilms are accessible and highly relevant objects to study microbial ecology, geobiology and biodeterioration.zeige mehrzeige weniger

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Autor*innen:Anna GorbushinaORCiD
Koautor*innen:Pedro Maria Martin-Sanchez, Christopher Gebhardt, Jörg Toepel, J. Barry, N. Munzke, Jens Günster, William J. Broughton, M. Porcar
Dokumenttyp:Vortrag
Veröffentlichungsform:Präsentation
Sprache:Englisch
Jahr der Erstveröffentlichung:2017
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Sanitär- und Kommunaltechnik; Umwelttechnik
Freie Schlagwörter:Biodeterioration; Biofilm; SABs; Solar panel
Veranstaltung:7th Congress of European Microbiologists (FEMS 2017)
Veranstaltungsort:València, Spain
Beginndatum der Veranstaltung:09.07.2017
Enddatum der Veranstaltung:13.07.2017
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:02.08.2017
Referierte Publikation:Nein
Eingeladener Vortrag:Nein
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