The role of fungi in the biogeochemical cycling of supergene gold and satellite transition metals: A potential new exploration tool

Bohu, Tsing; Anand, Ravi; Kaksonen, Anna H.; González-Álvarez, Ignacio; Pagès, Anaïs; Noble, Ryan; Lintern, M.J.; Spinks, Sam; Zhuang, Xuliang

doi:10.1016/j.oregeorev.2021.104595

Cited by 6 publications

(3 citation statements)

References 167 publications

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“…Thus, this work provides an initial picture of the microbiomes at these sites, and further research is necessary to gain a deeper insight into their microbial ecology and the microbiome's physiological and metabolic characteristics. For instance, further studies (e.g., cultivation-dependent methodologies) on the extremophilic consortia could be focused on the identification of metal bioremediation abilities, biosynthesis of gold nanoparticles capacities, or even in gold biorecovery strategies (e.g., [23,[91][92][93][94][95][96][97][98]). On the other hand, further studies employing additional -omics methodologies, such as metagenomics and metatranscriptomics, would also be advantageous since these could further allow gaining a deeper knowledge regarding these areas' microbiome composition, functional characterization, genomic description, metabolic potential, mobilome, resistome and community dynamics (e.g., [99]).…”

Section: Discussionmentioning

confidence: 99%

“…The study of mining areas' soils microbiomes can contribute to (1) identifying environmental shifts; (2) recognizing key bioremediation species; (3) highlighting novel environmental metals biorecovery strategies; (4) identifying microorganisms with relevant industrial physiological properties; (5) contributing to the development of circular economies; (6) and as for the case of fungi, acting as possible geological proxies for gold prospection [16][17][18][19][20][21][22][23][24][25]. Thus, understanding the diversity and structure of microbial communities in rich metal areas, such as gold mines, is currently of high scientific, industrial and applied relevance.…”

Section: Introductionmentioning

confidence: 99%

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A Snapshot of the Microbiome of a Portuguese Abandoned Gold Mining Area

Trovão,

Soares,

Paiva

et al. 2023

Applied Sciences

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Microbial communities are known to contribute deeply to geochemical cycles, including weathering, protection from erosion and mineral precipitation. Studies aiming to understand mining areas’ microbiomes are of high relevance since they can help pinpoint the occurrence of environmental shifts, key bioremediation species, environmental metals recovery strategies, and microorganisms with relevant industrial properties. Nonetheless, so far, the study of Portuguese gold-rich areas’ microbiomes has been largely neglected. The main goal of this study was to apply high-throughput sequencing methods to study the microbiome (Bacteria and Fungi) and predict their functional/metabolic profiles in an abandoned Portuguese gold mining area (considering zones without a history of mining, the tailings and the flooded mine interior). The results obtained revealed high bacterial and fungal diversities at these sites while also pinpointing the presence of relative homogenous bacterial and heterogenous fungal communities. Areas without mining history were mainly dominated by WD2101 soil groups, Sphingomonas, Candidatus Solibacter, Helotiales, unclassified Fungi and Arxotrichum. The tailings were mainly colonized by Bryobacter, WD2101 soil groups, WPS-2 genera, Starmerella, Helotiales and Mollisia. On the other hand, the mine area displayed a dominance of Crossiella, Gemmataceae, Acidobacteriaceae (Subgroup 1), Acidiphilium, Mortierella, unclassified Fungi and Chaetothyriales. Furthermore, we verified that contrary to bacteria, the fungal structural diversity is somewhat more restricted to each site. In addition, metabolic, functional and ecological profiles revealed a strong distinction for both bacterial and fungal communities while also revealing the presence of well-adapted communities to each of the particular microenvironments considered.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Snapshot of the Microbiome of a Portuguese Abandoned Gold Mining Area

Trovão,

Soares,

Paiva

et al. 2023

Applied Sciences

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“…Macrofungi are highly diverse organisms with a wide distribution across various environmental living substrates. These fungi play a crucial role in the cycling of carbon [ 3 ], nitrogen [ 4 ], and other elements [ 5 , 6 ]. In addition, macrofungi can enhance the resistance of host plants against external harmful substances, offering a defense mechanism against various stressors [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

Forest Type and Climate Outweigh Soil Bank in Shaping Dynamic Changes in Macrofungal Diversity in the Ancient Tree Park of Northeast China

Zhu,

Liu,

Hsiang

et al. 2023

JoF

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The community structure of macrofungi is influenced by multiple complex factors, including climate, soil, vegetation, and human activities, making it challenging to discern their individual contributions. To investigate the dynamic changes in macrofungal diversity in an Ancient Tree Park located in Northeast China and explore the factors influencing this change, we collected 1007 macrofungi specimens from different habitats within the park and identified 210 distinct fungal species using morphological characteristics and ITS sequencing. The species were classified into 2 phyla, 6 classes, 18 orders, 55 families, and 94 genera. We found macrofungal compositions among different forest types, with the mixed forest displaying the highest richness and diversity. Climatic factors, particularly rainfall and temperature, positively influenced macrofungal species richness and abundance. Additionally, by analyzing the soil fungal community structure and comparing aboveground macrofungi with soil fungi in this small-scale survey, we found that the soil fungal bank is not the main factor leading to changes in the macrofungal community structure, as compared to the influence of climate factors and forest types. Our findings provide valuable insights into the dynamic nature of macrofungal diversity in the Ancient Tree Park, highlighting the influence of climate and forest type.

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Role of oxalic acid in fungal and bacterial metabolism and its biotechnological potential

Grąz

2024

World J Microbiol Biotechnol

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Oxalic acid and oxalates are secondary metabolites secreted to the surrounding environment by fungi, bacteria, and plants. Oxalates are linked to a variety of processes in soil, e.g. nutrient availability, weathering of minerals, or precipitation of metal oxalates. Oxalates are also mentioned among low-molecular weight compounds involved indirectly in the degradation of the lignocellulose complex by fungi, which are considered to be the most effective degraders of wood. The active regulation of the oxalic acid concentration is linked with enzymatic activities; hence, the biochemistry of microbial biosynthesis and degradation of oxalic acid has also been presented. The potential of microorganisms for oxalotrophy and the ability of microbial enzymes to degrade oxalates are important factors that can be used in the prevention of kidney stone, as a diagnostic tool for determination of oxalic acid content, as an antifungal factor against plant pathogenic fungi, or even in efforts to improve the quality of edible plants. The potential role of fungi and their interaction with bacteria in the oxalate-carbonate pathway are regarded as an effective way for the transfer of atmospheric carbon dioxide into calcium carbonate as a carbon reservoir.

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The role of fungi in the biogeochemical cycling of supergene gold and satellite transition metals: A potential new exploration tool

Cited by 6 publications

References 167 publications

A Snapshot of the Microbiome of a Portuguese Abandoned Gold Mining Area

A Snapshot of the Microbiome of a Portuguese Abandoned Gold Mining Area

Forest Type and Climate Outweigh Soil Bank in Shaping Dynamic Changes in Macrofungal Diversity in the Ancient Tree Park of Northeast China

Role of oxalic acid in fungal and bacterial metabolism and its biotechnological potential

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