ArticlePloS one2017
Hg tolerance and biouptake of an isolated pigmentation yeast Rhodotorula mucilaginosa.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 24 citations in OpenAlex.
- Biosorption-based decontamination of mercury by Saccharomyces cerevisiae BY4741.Archives of microbiology · 2025Article
- Glutathione reductase plays a role in the metabolism of methylmercury degradation inMicrobiology spectrum · 2025Article
- Analysis of the Respiratory Activity in the Antarctic YeastMicroorganisms · 2024Article
- Copper Tolerance of NovelMycobiology · 2023Article
- Review
- Yeasts Inhabiting Extreme Environments and Their Biotechnological Applications.Microorganisms · 2022Review
- Seasonal Variability of Photosynthetic Microbial Eukaryotes (<3 µm) in the Kara Sea Revealed by 18S rDNA Metabarcoding of Sediment Trap Fluxes.Plants (Basel, Switzerland) · 2021Article
- Heavy Metal-Resistant Filamentous Fungi as Potential Mercury Bioremediators.Journal of fungi (Basel, Switzerland) · 2021Article
- Optimization of protease production and sequence analysis of the purified enzyme from the cold adapted yeastBiotechnology reports (Amsterdam, Netherlands) · 2020Article
- Heavy Metal Tolerance of NovelMycobiology · 2020Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A pigmented yeast R1 with strong tolerance to Hg2+ was isolated. Phylogenetic identification based on the analysis of 26S rDNA and ITS revealed R1 is a Rhodotorula mucilaginosa species. R1 was able to grow in the presence of 80 mg/L Hg2+, but the lag phase was much prolonged compared to its growth in the absence of Hg2+. The maximum Hg2+ binding capacity of R1 was 69.9 mg/g, and dead cells could bind 15% more Hg2+ than living cells. Presence of organic substances drastically reduced bioavailability of Hg2+ and subsequently decreased Hg2+ removal ratio from aqueous solution, but this adverse effect could be remarkably alleviated by the simultaneous process of cell propagation and Hg2+ biouptake with actively growing R1. Furthermore, among the functional groups involved in Hg2+ binding, carboxyl group contributed the most, followed by amino & hydroxyl group and phosphate group. XPS analysis disclosed the mercury species bound on yeast cells was HgCl2 rather than HgO or Hg0.
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