Volatile diterpene emission by two Mediterranean Cistaceae shrubs

Abstract Mediterranean vegetation emits a wide range of biogenic volatile organic compounds (BVOCs) among which isoprenoids present quantitatively the most important compound class. Here, we investigated the isoprenoid emission from two Mediterranean Cistaceae shrubs, Halimium halimifolium and Cistu...

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Autores principales:	A. M. Yáñez-Serrano, L. Fasbender, J. Kreuzwieser, D. Dubbert, S. Haberstroh, R. Lobo-do-Vale, M. C. Caldeira, C. Werner
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d8cabf2490054167aa3d13ed0cccff33
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spelling	oai:doaj.org-article:d8cabf2490054167aa3d13ed0cccff332021-12-02T15:07:59ZVolatile diterpene emission by two Mediterranean Cistaceae shrubs10.1038/s41598-018-25056-w2045-2322https://doaj.org/article/d8cabf2490054167aa3d13ed0cccff332018-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-25056-whttps://doaj.org/toc/2045-2322Abstract Mediterranean vegetation emits a wide range of biogenic volatile organic compounds (BVOCs) among which isoprenoids present quantitatively the most important compound class. Here, we investigated the isoprenoid emission from two Mediterranean Cistaceae shrubs, Halimium halimifolium and Cistus ladanifer, under controlled and natural conditions, respectively. For the first time, diurnal emission patterns of the diterpene kaurene were detected in real-time by Proton-Transfer-Reaction-Time-of-Flight-Mass-Spectrometer. Kaurene emissions were strongly variable among H. halimifolium plants, ranging from 0.01 ± 0.003 to 0.06 ± 0.01 nmol m−2 s−1 in low and high emitting individuals, respectively. They were in the same order of magnitude as monoterpene (0.01 ± 0.01 to 0.11 ± 0.04 nmol m−2 s−1) and sesquiterpene (0.01 ± 0.01 to 0.52 nmol m−2 s−1) emission rates. Comparable range and variability was found for C. ladanifer under natural conditions. Labelling with 13C-pyruvate suggested that emitted kaurene was not derived from de novo biosynthesis. The high kaurene content in leaves, the weak relationship with ecophysiological parameters and the tendency of higher emissions with increasing temperatures in the field indicate an emission from storage pools. This study highlights significant emissions of kaurene from two Mediterranean shrub species, indicating that the release of diterpenes into the atmosphere should probably deserve more attention in the future.A. M. Yáñez-SerranoL. FasbenderJ. KreuzwieserD. DubbertS. HaberstrohR. Lobo-do-ValeM. C. CaldeiraC. WernerNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-13 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q A. M. Yáñez-Serrano L. Fasbender J. Kreuzwieser D. Dubbert S. Haberstroh R. Lobo-do-Vale M. C. Caldeira C. Werner Volatile diterpene emission by two Mediterranean Cistaceae shrubs
description	Abstract Mediterranean vegetation emits a wide range of biogenic volatile organic compounds (BVOCs) among which isoprenoids present quantitatively the most important compound class. Here, we investigated the isoprenoid emission from two Mediterranean Cistaceae shrubs, Halimium halimifolium and Cistus ladanifer, under controlled and natural conditions, respectively. For the first time, diurnal emission patterns of the diterpene kaurene were detected in real-time by Proton-Transfer-Reaction-Time-of-Flight-Mass-Spectrometer. Kaurene emissions were strongly variable among H. halimifolium plants, ranging from 0.01 ± 0.003 to 0.06 ± 0.01 nmol m−2 s−1 in low and high emitting individuals, respectively. They were in the same order of magnitude as monoterpene (0.01 ± 0.01 to 0.11 ± 0.04 nmol m−2 s−1) and sesquiterpene (0.01 ± 0.01 to 0.52 nmol m−2 s−1) emission rates. Comparable range and variability was found for C. ladanifer under natural conditions. Labelling with 13C-pyruvate suggested that emitted kaurene was not derived from de novo biosynthesis. The high kaurene content in leaves, the weak relationship with ecophysiological parameters and the tendency of higher emissions with increasing temperatures in the field indicate an emission from storage pools. This study highlights significant emissions of kaurene from two Mediterranean shrub species, indicating that the release of diterpenes into the atmosphere should probably deserve more attention in the future.
format	article
author	A. M. Yáñez-Serrano L. Fasbender J. Kreuzwieser D. Dubbert S. Haberstroh R. Lobo-do-Vale M. C. Caldeira C. Werner
author_facet	A. M. Yáñez-Serrano L. Fasbender J. Kreuzwieser D. Dubbert S. Haberstroh R. Lobo-do-Vale M. C. Caldeira C. Werner
author_sort	A. M. Yáñez-Serrano
title	Volatile diterpene emission by two Mediterranean Cistaceae shrubs
title_short	Volatile diterpene emission by two Mediterranean Cistaceae shrubs
title_full	Volatile diterpene emission by two Mediterranean Cistaceae shrubs
title_fullStr	Volatile diterpene emission by two Mediterranean Cistaceae shrubs
title_full_unstemmed	Volatile diterpene emission by two Mediterranean Cistaceae shrubs
title_sort	volatile diterpene emission by two mediterranean cistaceae shrubs
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/d8cabf2490054167aa3d13ed0cccff33
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Volatile diterpene emission by two Mediterranean Cistaceae shrubs

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