What are microbial communities? An ecological approach
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What are indoor microbial communities?
An ecological approach
Maria Nunez, PhDMycoteam as, Norway
www.mycoteam.no
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ECOLOGY
The scientific study of interactions
among organisms
and their environment
Wikipedia
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SLOAN SYMPOSIUMs motto
The interaction between microbial communities
and building materials
needs far greater attention
Corsi et al. Indoor Air 2012; 22: 171-172
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What is dead /inactive?
Dead microbes do not affect infrastructures
Dead microbes are not pathogens (but allergens)
What is active?
Dampness promotes active microorganisms
Dampness is associated with SBS
Active microbes produce spores, toxins, MVOCs
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INTEGRATED APPROACH
• Morphology
• DNA sequence
• Life-history
• Growth preferences
• Chemistry
• Epidemiology
• Distribution
• Abundance
• Invasiveness
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CONCLUSIONS
• Look at microbes as organisms, not as sequences
• Know where you sample
• Know why you sample (source/sink?)
• Don’t ignore hidden building structures
• Keep the Gremlings dry!
FINAL REMARKS
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