Loading content, please wait..
loading..
Logo
Version 3.20
or
Publication Type J
Authors Duarte, B., D. Santos and I. Cacador
Title Halophyte anti-oxidant feedback seasonality in two salt marshes with different degrees of metal contamination: search for an efficient biomarker
Source Functional Plant Biology
Author Keywords biomarkers halophytes heavy metals oxidative stress halimione-portulacoides heavy-metals oxidative stress superoxide-dismutase lipid-peroxidation spartina-maritima cadmium uptake accumulation enzymes metabolism
Abstract Salt marshes can be affected by metal contamination when near a polluted area, and this excessive concentration of metals is a source of stress in plants. Production of proteins, flavonoids, phenolic compounds and anti-oxidant feedback can be used as biomarkers, as well to assess the suitability of halophytes to function as a biomonitors. Through monitoring the anti-oxidative feedback in Halimione portulacoides (L.) Aellen, Sarcocornia fruticosa (L.) A. J. Scott and Spartina maritima (Curtis) Fernald in a contaminated and non-contaminated marsh, S. maritima seems to have potential as a bioindicator species, showing different biochemical characteristics according to the degree of contamination to which it is exposed. The evident biochemical separation between individuals from contaminated and non-contaminated salt marshes is mostly due to differences in the activity of SOD as well APx and GPx. Without neglecting the need for further works, the present study suggests that S. maritima enzymatic defences as good candidates for efficient biomarkers for estuarine sediment quality assessment studies.
Author Address [Duarte, Bernardo; Santos, Dinis; Cacador, Isabel] Univ Lisbon CO, Fac Sci, Ctr Oceanog, P-1749016 Lisbon, Portugal. Duarte, B (reprint author), Univ Lisbon CO, Fac Sci, Ctr Oceanog, P-1749016 Lisbon, Portugal. baduarte@fc.ul.pt
ISSN 1445-4408
ISBN 1445-4408
29-Character Source Abbreviation Funct. Plant Biol.
Year Published 2013
Volume 40
Issue 8-9
Beginning Page 922-930
Digital Object Identifier (DOI) 10.1071/fp12315
Unique Article Identifier WOS:000322672000014
Plants associated with this reference

LEGAL NOTICES — This website is protected by Copyright © The University of Sussex, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020. The eHALOPH database is protected by Database Right and Copyright © The University of Sussex and other contributors, 2006, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020. This database is based on an earlier work by James Aronson.
THIS WEBSITE AND THIS DATABASE ARE PROVIDED ON AN "AS IS" BASIS, AND YOU USE THEM AND RELY ON THEM AT YOUR OWN RISK.

Contact email: halophytes@sussex.ac.uk
Credits – Tim Flowers, Joaquim Santos, Moritz Jahns, Brian Warburton, Peter Reed