ArticleInternational microbiology : the official journal of the Spanish Society for Microbiology2022
Bioremediation potential and lead removal capacity of heavy metal-tolerant yeasts isolated from Dayet Oum Ghellaz Lake water (northwest of Algeria).
Article in International microbiology : the official journal of the Spanish Society for Microbiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 28 citations in OpenAlex.
- From consortium design to bioaugmented filters: scalable yeast-based strategies for lead remediation in water systems.Frontiers in microbiology · 2025Article
- Bioremediation potential of low-brominated polybrominated diphenyl by the phyllosphericFrontiers in plant science · 2025Article
- Photosystem modulation and extracellular silicification in green microalgae: Key strategies for lead tolerance and removal.Heliyon · 2024Article
- Biofabricated yeast: super-soldier for detoxification of heavy metals.World journal of microbiology & biotechnology · 2023Review
- Bioremediation of Wastewater Using Yeast Strains: An Assessment of Contaminant Removal Efficiency.International journal of environmental research and public health · 2023Article
- Screening of Yeasts Isolated fromFoods (Basel, Switzerland) · 2022Article
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7 authors at 2 institutions in 1 country.
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Abstract
Seven metal-resistant yeast strains were isolated and selected from Dayet Oum Ghellaz Lake water (northwest of Algeria) known as a highly polluted area by lead and cadmium. The yeast strains were screened on the basis of their resistance to seven heavy metals Hg, Cr, Cd, Pb, Cu, Zn, and Fe and characterized by molecular and phylogenetic analysis. The sequencing of the D1/D2 domain of the 26S rRNA genes revealed the affiliation of the seven yeast isolates to Rhodotorula mucilaginosa, Clavispora lusitaniae, and Wickerhamomyces anomalus species. All yeast strains were halotolerant as they were able to grow in 10-15% NaCl. The yeast isolates were highly resistant to the studied heavy metals and exhibited different tolerance according to the metal type. The highest minimum inhibitory concentrations (MIC) were observed in R. mucilaginosa RO7 and W. anomalus WO2 strains which were then selected for lead removal assays. The present study is the first to investigate the lead elimination by W. anomalus. The lead uptake was significantly affected by biomass concentration in a reverse relationship, with purification percentages estimated at 98.15 ± 0.9% and 97.046 ± 0.47% and removal efficiency of 12.68 ± 0.91 and 15.55 ± 0.72 mg/g for W. anomalus WO2 and R. mucilaginosa RO7, respectively. The investigated metal-tolerant yeast strains proved to be promising candidates for bioremediation processes of heavy metals. This work amends the metal-resistant yeast bank with new strains having interesting abilities to resist to relatively high concentrations of toxic heavy metals and which can be used in the near future as low-cost biosorbents.
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