Rehydration process in rustyback fern (Aspleniumceterach l.): Profiling of volatile organic compounds
Biology, ISSN: 2079-7737, Vol: 10, Issue: 7
2021
- 5Citations
- 14Captures
- 1Mentions
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Biology, Vol. 10, Pages 574: Rehydration Process in Rustyback Fern (Aspleniumceterach L.): Profiling of Volatile Organic Compounds
Biology, Vol. 10, Pages 574: Rehydration Process in Rustyback Fern (Aspleniumceterach L.): Profiling of Volatile Organic Compounds Biology doi: 10.3390/biology10070574 Authors: Suzana Živković Marijana Skorić
Article Description
When exposed to stressful conditions, plants produce numerous volatile organic compounds (VOCs) that have different biological and environmental functions. VOCs emitted during the rehydration process by the fronds of desiccation tolerant fern Aspleniumceterach L. were inves-tigated. Headspace GC–MS analysis revealed that the volatiles profile of rustyback fern is mainly composed of fatty acid derivatives: isomeric heptadienals (over 25%) and decadienals (over 20%), other linear aldehydes, alcohols, and related compounds. Aerial parts of the rustyback fern do not contain monoterpene-type, sesquiterpene-type, and diterpene-type hydrocarbons or corresponding terpenoids. Online detection of VOCs using proton-transfer reaction mass spectrometry (PTR–MS) showed a significant increase in emission intensity of dominant volatiles during the first hours of the rehydration process. Twelve hours after re-watering, emission of detected volatiles had returned to the basal levels that corresponded to hydrated plants. During the early phase of rehydration malon-dialdehyde (MDA) content in fronds, as an indicator of membrane damage, decreased rapidly which implies that lipoxygenase activity is not stimulated during the recovery process of rustyback fern.
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