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Authors El Alaoui, A; Raklami, A; Bechtaoui, N; El Gharmali, A; Ouhammou, A; Imziln, B; Achouak, W; Pajuelo, E; Oufdou, K
Author Full Name El Alaoui, Abdelkhalek; Raklami, Anas; Bechtaoui, Noura; El Gharmali, Abdelhay; Ouhammou, Ahmed; Imziln, Boujamaa; Achouak, Wafa; Pajuelo, Eloisa; Oufdou, Khalid
Title Use of native plants and their associated bacteria rhizobiomes to remediate-restore Draa Sfar and Kettara mining sites, Morocco
Source ENVIRONMENTAL MONITORING AND ASSESSMENT
Language English
Document Type Article
Author Keywords Phytomanagement; Accumulation; Metal translocation; Plant growth-promoting rhizobacteria; Copper; Lead; Zinc
Abstract Soil and mine tailings are unreceptive to plant growth representing an imminent threat to the environment and resource sustainability. Using indigenous plants and their associated rhizobacteria to restore mining sites would be an eco-friendly solution to mitigate soil-metal toxicity. Soil prospection from Draa Sfar and Kettara mining sites in Morocco was carried out during different seasons for native plant sampling and rhizobacteria screening. The sites have been colonized by fifteen tolerant plant species having different capacities to accumulate Cu, Zn, and P in their shoots/root systems. In Draa Sfar mine, Suaeda vera J.F. Gmel., Sarcocornia fruticosa (L.) A.J. Scott., and Frankenia corymbosa Desf. accumulated mainly Cu (more than 90 mg kg(-1)), Atriplex halimus L. accumulated Zn (mg kg(-1)), and Frankenia corymbosa Desf. accumulated Pb (14 mg kg(-1)). As for Kettara mine, Aizoon canariense L. mainly accumulated Zn (270 mg kg(-1)), whereas Forsskalea tenacissima L. was the best shoot Cu accumulator with up to 50 mg kg(-1), whereas Cu accumulation in roots was 21 mg kg(-1). The bacterial screening revealed the strains' abilities to tolerate heavy metals up to 50 mg kg(-1) Cu, 250 mg kg(-1) Pb, and 150 mg kg(-1) Zn. Isolated strains belonged mainly to Bacillaceae (73.33%) and Pseudomonadaceae (10%) and expressed different plant growth-promoting traits, alongside their antifungal activity. Results from this study will provide an insight into the ability of native plants and their associated rhizobacteria to serve as a basis for remediation-restoration strategies.
Author Address [El Alaoui, Abdelkhalek; Raklami, Anas; Bechtaoui, Noura; Ouhammou, Ahmed; Imziln, Boujamaa; Oufdou, Khalid] Cadi Ayyad Univ, Fac Sci Semlalia, Lab Microbial Biotechnol Agrosci & Environm BioMA, POB 2390, Marrakech, Morocco; [El Alaoui, Abdelkhalek; Achouak, Wafa] Aix Marseille Univ, Lab Microbial Ecol Rhizosphere, LEMiRE, ECCOREV FR 3098,CEA,CNRS,UMR7265, F-13108 St Paul Les Durance, France; [El Gharmali, Abdelhay] Cadi Ayyad Univ, Fac Sci Semlalia, Lab Water Biodivers & Global Change, POB 2390, Marrakech, Morocco; [Pajuelo, Eloisa] Univ Seville, Dept Microbiol & Parasitol, POB 1095, Seville 41080, Spain
Reprint Address Raklami, A (corresponding author), Cadi Ayyad Univ, Fac Sci Semlalia, Lab Microbial Biotechnol Agrosci & Environm BioMA, POB 2390, Marrakech, Morocco.
E-mail Address anas.raklami@gmail.com
Funding Agency and Grant Number project Toubkal-Campus France [16/21, 34717WA]; CNRST Morocco [PPR2/2016/42]; Alexander von Humboldt foundation (Application Research Group Linkage Programme)Alexander von Humboldt Foundation
Funding Text This work is financially supported by the project Toubkal n degrees 16/21-Campus France n degrees 34717WA; the project PPR2/2016/42, CNRST Morocco; and the Alexander von Humboldt foundation (Application Research Group Linkage Programme).
Publisher SPRINGER
Publisher City DORDRECHT
Publisher Address VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
ISSN 0167-6369
29-Character Source Abbreviation ENVIRON MONIT ASSESS
ISO Source Abbreviation Environ. Monit. Assess.
Publication Date APR
Year Published 2021
Volume 193
Issue 4
Article Number 232
Digital Object Identifier (DOI) 10.1007/s10661-021-08977-4
Page Count 14
Web of Science Category Environmental Sciences
Subject Category Environmental Sciences & Ecology
Document Delivery Number RF4QN
Unique Article Identifier WOS:000634824900005
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