Microscopic fungi as significant sesquiterpene emission sources

Eszter Horváth, A. Hoffer, Flóra Sebok, Csaba Dobolyi, Sándor Szoboszlay, Balázs Kriszt, A. Gelencsér

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Among the volatile organic compounds emitted by vegetation, isoprene, monoterpenes, sesquiterpenes, and their derivatives are thought to contribute to secondary organic aerosol formation. Although it is well known that microscopic fungi globally turn over vast amount of carbon by decomposing the organic matter in the soil, vegetation is considered as the exclusive source of biogenic secondary organic aerosol precursors in various atmospheric models. Secondary fungal metabolites including sesquiterpenes have been recognized as characteristic volatile organic compounds emitted by fungi. In the present study, we investigated the rates of sesquiterpene emission of microscopic fungi to establish their potential significance compared to those from vegetation. To sample the headspace of the pure culture of some common fungi, we used an aseptic flow-through apparatus designed for solid phase microextraction in our laboratory. The identified sesquiterpenes in the headspace extracts were quantified for eight strains of microscopic fungi belonging to four different genera. Our results showed that microscopic fungi emit a considerable amount of sesquiterpenes. Based on our first estimations microscopic fungi may be considered as potentially significant sesquiterpene emission sources whose contribution to secondary organic aerosol formation may be comparable to that of vegetation.

Original languageEnglish
Article numberD16301
JournalJournal of Geophysical Research: Space Physics
Volume116
Issue number16
DOIs
Publication statusPublished - 2011

Fingerprint

fungi
Sesquiterpenes
Fungi
sesquiterpenoids
fungus
vegetation
aerosols
Aerosols
Volatile Organic Compounds
aerosol formation
volatile organic compounds
headspace analysis
volatile organic compound
Monoterpenes
atmospheric models
metabolites
monoterpene
isoprene
Metabolites
emission source

ASJC Scopus subject areas

  • Atmospheric Science
  • Geophysics
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science

Cite this

Microscopic fungi as significant sesquiterpene emission sources. / Horváth, Eszter; Hoffer, A.; Sebok, Flóra; Dobolyi, Csaba; Szoboszlay, Sándor; Kriszt, Balázs; Gelencsér, A.

In: Journal of Geophysical Research: Space Physics, Vol. 116, No. 16, D16301, 2011.

Research output: Contribution to journalArticle

Horváth, Eszter ; Hoffer, A. ; Sebok, Flóra ; Dobolyi, Csaba ; Szoboszlay, Sándor ; Kriszt, Balázs ; Gelencsér, A. / Microscopic fungi as significant sesquiterpene emission sources. In: Journal of Geophysical Research: Space Physics. 2011 ; Vol. 116, No. 16.
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AU - Kriszt, Balázs

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