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Article

Rehydration Process in Rustyback Fern (Asplenium ceterach L.): Profiling of Volatile Organic Compounds

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Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060 Belgrade, Serbia
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Institute for Medicinal Plant Research “Dr Josif Pančić”, Tadeuša Košćuška 1, 11000 Belgrade, Serbia
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Institute of Physics, University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia
*
Authors to whom correspondence should be addressed.
We are sad to report that the author Mihailo Ristić is deceased.
Academic Editor: Jeffrey G. Duckett
Biology 2021, 10(7), 574; https://doi.org/10.3390/biology10070574
Received: 25 May 2021 / Revised: 8 June 2021 / Accepted: 17 June 2021 / Published: 23 June 2021
(This article belongs to the Section Plant Science)
Severe environmental changes, such as drought, can delay growth, the development of plants, and induce injury to their tissues. However, a group of land plant species, called resurrection or desiccation-tolerant plants, is able to lose 95% of their cellular water and still remain viable for long periods, resuming full metabolic activity upon rehydration. Recovery from near-complete water loss is complex and requires the coordination of physical and chemical processes in the resurrection plants. Under stress conditions plants also synthesize and release a wide variety of volatile organic compounds with diverse biological and ecological functions. The rehydration process in resurrection rustyback fern (Asplenium ceterach) resulted in complete plant recovery within 72 h, accompanied by high emission of volatiles, mainly belonging to the group of fatty acid derivatives. These findings could have significant implications from biotechnological and ecological perspectives since the rustyback fern has been recently recognized as a valuable source of bioactive compounds.
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 Asplenium ceterach L. were investigated. 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 malondialdehyde (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. View Full-Text
Keywords: Asplenium ceterach; rehydration; volatile organic compounds; lipid peroxidation Asplenium ceterach; rehydration; volatile organic compounds; lipid peroxidation
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MDPI and ACS Style

Živković, S.; Skorić, M.; Ristić, M.; Filipović, B.; Milutinović, M.; Perišić, M.; Puač, N. Rehydration Process in Rustyback Fern (Asplenium ceterach L.): Profiling of Volatile Organic Compounds. Biology 2021, 10, 574. https://doi.org/10.3390/biology10070574

AMA Style

Živković S, Skorić M, Ristić M, Filipović B, Milutinović M, Perišić M, Puač N. Rehydration Process in Rustyback Fern (Asplenium ceterach L.): Profiling of Volatile Organic Compounds. Biology. 2021; 10(7):574. https://doi.org/10.3390/biology10070574

Chicago/Turabian Style

Živković, Suzana, Marijana Skorić, Mihailo Ristić, Biljana Filipović, Milica Milutinović, Mirjana Perišić, and Nevena Puač. 2021. "Rehydration Process in Rustyback Fern (Asplenium ceterach L.): Profiling of Volatile Organic Compounds" Biology 10, no. 7: 574. https://doi.org/10.3390/biology10070574

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