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[Antagonistic Properties of Microscopic Fungi Isolated from Plasterboard].

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An Optimized Enrichment Technique for the Isolation of Arthrobacter Bacteriophage Species from Soil Sample Isolates
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[THE SPECIES COMPOSITION OF MICROMYCETES ISOLATED FROM PLASTERBOARD].

Yu B Pysmenna, A G Subbota, L T Nakonechna

    Mikrobiolohichnyi Zhurnal (Kiev, Ukraine : 1993)
    |February 14, 2019
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    Summary
    This summary is machine-generated.

    This study characterized the fungal communities (mycobiota) on plasterboard. Higher humidity and water exposure influenced fungal growth, with older plasterboard showing greater species diversity.

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    Area of Science:

    • Building Science
    • Mycology
    • Environmental Microbiology

    Background:

    • Plasterboard is a common building material susceptible to microbial colonization.
    • Understanding the mycobiota of plasterboard is crucial for indoor air quality and building health.

    Purpose of the Study:

    • To characterize and compare the mycobiota of standard and water-resistant plasterboard.
    • To assess the ecological characteristics of fungi found on plasterboard under different moisture conditions.

    Main Methods:

    • Fungal isolation using humid air/water exposure modeling, serial dilutions, and direct inoculation on agar media.
    • Quantitative ecological methods were employed for mycobiota analysis.
    • Microscopic examination and species identification.

    Main Results:

    • Specific fungal genera (Aspergillus, Chaetomium, Dicyma, Penicillium) thrived in high humidity (>90%).
    • Water exposure promoted growth of Alternaria, Cladosporium, and Stachybotrys.
    • Plasterboard from 2010 exhibited higher mycobiota similarity and significantly greater species diversity compared to 2005 samples.
    • Over 50 micromycete species were identified, with distinct occurrences on plasterboard surfaces and gypsum cores.

    Conclusions:

    • The study provides the first characterization of plasterboard mycobiota.
    • Moisture levels significantly impact fungal community composition and diversity on plasterboard.
    • Older plasterboard (2010) supported a richer and more diverse fungal population than newer material (2005).