Implication of phytometabolites on metal tolerance of the pseudo-metallophyte -Rosmarinus officinalis-in a Mediterranean brownfield

Autor: Bruno Coulomb, Carine Demelas, Marie-Cécile Affholder, Jean-Luc Boudenne, Pascale Prudent, Jacques Rabier, Andreea Borla, Isabelle Laffont-Schwob
Přispěvatelé: Laboratoire Chimie de l'environnement (LCE), Aix Marseille Université (AMU)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Population-Environnement-Développement (LPED), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU), Institut méditerranéen de biodiversité et d'écologie marine et continentale (IMBE), Avignon Université (AU)-Aix Marseille Université (AMU)-Institut de recherche pour le développement [IRD] : UMR237-Centre National de la Recherche Scientifique (CNRS), ANR-08-CESA-0018,MARSECO,Flux de contaminants et fonctionnement des écosystèmes littoraux provençaux: transferts sol-eau-biocénose(2008), Centre National de la Recherche Scientifique (CNRS)-Aix Marseille Université (AMU)-Institut de Chimie du CNRS (INC)
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Environmental Engineering
Health
Toxicology and Mutagenesis
0208 environmental biotechnology
Metal translocation
02 engineering and technology
010501 environmental sciences
01 natural sciences
Rosmarinus
Soil
Metallophyte
Trace metals
Metals
Heavy
Environmental Chemistry
Humans
Soil Pollutants
Trace metal
Plant Physiological Phenomena
0105 earth and related environmental sciences
Metalloids
2. Zero hunger
biology
Chemistry
[SDE.IE]Environmental Sciences/Environmental Engineering
Public Health
Environmental and Occupational Health
General Medicine
General Chemistry
Drug Tolerance
Stress responses
15. Life on land
Contamination
Plants
biology.organism_classification
Pollution
Soil contamination
Adaptation
Physiological
020801 environmental engineering
Trace Elements
Field experiment
Biodegradation
Environmental
13. Climate action
Metals
Environmental chemistry
Hazardous Waste Sites
Officinalis
Shoot
Rosemary
Phytochelatin
[SDE.BE]Environmental Sciences/Biodiversity and Ecology
Zdroj: Chemosphere
Chemosphere, 2020, pp.126159. ⟨10.1016/j.chemosphere.2020.126159⟩
Chemosphere, Elsevier, 2020, pp.126159. ⟨10.1016/j.chemosphere.2020.126159⟩
ISSN: 0045-6535
DOI: 10.1016/j.chemosphere.2020.126159⟩
Popis: International audience; This study highlights the trace metal and metalloid (TMM) accumulation in Rosmarinus officinalis L. and its chemical responses when exposed to high levels of contamination. R. officinalis individuals growing along a gradient of mixed TMM soil pollution, resulting from past industrial activities, were analysed. Several plant secondary metabolites, known to be involved in plant tolerance to TMM or as a plant health indicator, were investigated. The levels of thiol compounds and phytochelatin precursors (cysteine and glutathione) in the shoots were measured in the laboratory, while a portable non-destructive instrument was used to determine the level of phenolic compounds and chlorophylls directly on site. The level of Pb, As, Sb and Zn contaminations within the soil and plants was also determined.The results highlighted a decrease of TMM translocation with increases of soil contamination. The concentration of TMM in the shoots followed the Mitscherlich equation and reached a plateau at 0.41, 7.9, 0.37, 51.3 mg kg−1 for As, Pb, Sb and Zn, respectively. In the shoots, the levels of thiols and phenols were correlated to concentrations of TMM. Glutathione seems to be the main thiol compounds involved in the tolerance to As, Pb and Sb. Phenols indices, using non-destructive measurements, may be considered as an easy way to establish a proxy to estimate the TMM contamination level of the R. officinalis shoots. The study highlights metabolic processes that contribute to the high potential of R. officinalis for phytostabilisation of TMM in contaminated areas in the Mediterranean.
Databáze: OpenAIRE
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