<i>Fodinomyces uranophilus</i>gen. nov. sp. nov. and<i>Coniochaeta fodinicola</i>sp. nov., two uranium mine-inhabiting Ascomycota fungi from northern Australia

Vázquez-Campos, Xabier; Kinsela, Andrew S.; Waite, T. David; Collins, Richard N.; Neilan, Brett A.

doi:10.3852/14-013

Cited by 47 publications

(40 citation statements)

References 48 publications

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“…Strains isolated from RAC were only isolated at a pH 2.2 when metals were added to culture medium. This result shows concordance with those obtained by V azquez-Campos et al [48] whose isolates were obtained at low pH (1.7-1.8) and high metal concentration. Portuguese isolates proved to have extremely high tolerance to Cu 2þ , being able to tolerate up to 24.8 g L À1 (Dr. Gadanho pers.…”

Section: Discussionsupporting

confidence: 93%

“…MSD 302 and 270 strains, 99% similarity in D1/D2 region) and at Ranger Uranium Mine, Australia. These strains were isolated from the most extreme conditions in all Portuguese, Australian, and Argentinean acidic aquatic environments ( [41,48] and the present work). Strains isolated from RAC were only isolated at a pH 2.2 when metals were added to culture medium.…”

Section: Discussionmentioning

confidence: 84%

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Heavy metal capture by autochthonous yeasts from a volcanic influenced environment of Patagonia

Russo

Libkind

Giraudo

et al. 2016

J. Basic Microbiol.

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Heavy metals at elevated concentrations are a major threat to agricultural and human health. Typically, human activities tend to release these metals to the environment in aqueous solutions, generating high levels of pollution due to the mobility of the heavy metals. The aim of the present work was to assess heavy metal tolerance in yeasts isolated from Río Agrio - Lake Caviahue volcanic acidic aquatic environment and to evaluate the capacity of selected strains to capture metals in acidic culture media conditions. The ability of three yeast species, Cryptococcus agrionensis, Cryptococcus sp. 2, and Coniochaeta fodinicola, to tolerate and capture metals in live cultures has been evaluated. These three yeast species showed high tolerance to low pH and elevated concentrations of metals, thus implying their autochthonous status. Minimal inhibitory concentration (MIC) for growth obtained for these isolates showed elevated tolerance to the six heavy metals evaluated and were significantly higher than those registered for other microorganisms. C. agrionensis was able to capture 15.80 mg (g biomass) of Cu (MIC: 0.22 g L ), Cryptococcus sp. 2 was able to capture 36.25 and 65.28 mg (g biomass) of Ni and Zn , respectively (MIC: 0.56 and 1.68, respectively), and C. fodinicola was able to capture 67.11 mg (g biomass) of Zn (MIC: 3.75). This work reported the ability of yeasts to capture metals in acidic conditions for the first time. We hope that it represents the step-stone for future researches in the ability and metabolism of yeasts form acidic aquatic environment related to metal tolerance and capture.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 84%

Heavy metal capture by autochthonous yeasts from a volcanic influenced environment of Patagonia

Russo

Libkind

Giraudo

et al. 2016

J. Basic Microbiol.

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“…Coniochaeta hoffmannii belonged to acidophile yeasts in acid rock drainage of Iberian Pyrite Belt (Gadanho, Libkind, & Sampaio, ). Coniochaeta fodinicola occurs in the most extremely acidic aquatic environments, with pH as low as 1.7–1.8 (Russo et al., ; Vazquez‐Campos, Kinsela, Waite, Collins, & Neilan, ). Lecanora conizaeoides colonizes substrates with pH < 4 (LaGreca & Stutzman, ).…”

Section: Discussionmentioning

confidence: 99%

Fungi inhabiting knotwood ofPinus sylvestrisinfected byPorodaedalea pini

Szewczyk

Kwaśna

Behnke‐Borowczyk

2017

Journal of Phytopathology

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Abundance and diversity of fungi in naturally formed knots of Pinus sylvestris affected by Porodaedalea pini were investigated. Samples were taken from trees that were (i) affected, with internal heartwood decay and no conks, (ii) affected, with internal heartwood decay and conks and (iii) controls. The Illumina sequencing technology was used for amplification of DNA, sequencing and analysis. In total, 566,279 raw sequences were obtained from six samples. Sequences included 74% of culturable and 8.4% of non‐culturable fungi and 17.6% of organisms with no reference sequences in NCBI. Abundance of organisms in knotwood, measured as number of OTUs, ranged from 36,272 (29,506 for fungi) to 178,535 (177,484 for fungi) and differed significantly between two trees in a stand and between stands. The highest and lowest average number of fungal OTUs occurred in infected trees with no conks and in trees with conks, respectively. Number of taxa ranged from 171 to 415 and often differed significantly between two trees in one stand and between stands. Greatest diversity occurred in control trees. The number of fungal taxa shared by two trees in one stand was 67–152 and that shared by two stands was 51–141. The majority of fungi were Ascomycota. Those most common in pines affected by P. pini were Coniochaeta hoffmannii and C. fodinicola (19.65%–59.92%). Infundichalara microchona, Leotiomycetes spp. and Rhinocladiella atrovirens were also present. Another common species, Lecanora conizaeoides, occurred most often in control trees (0.30%–8.82%). Porodaedalea pini was detected only sporadically. Non‐culturable fungi were most frequent in the control trees. The greater average abundance and smaller average diversity of fungi in knots of trees infected by P. pini suggest that the pathogen successfully competes with some fungal species and does not inhibit the growth of survivors. Some fungi detected may contribute to production of natural biocides.

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“…However, it is now known that they have a significant presence in locations not usually regarded as prime fungal habitats, e.g. acid mine drainage, deep aquatic sediments, hydrothermal vents and the igneous oceanic crust (Reitner et al 2006; Gorbushina 2007; Vázquez-Campos et al 2014; Iversson et al 2016). In such locations, fungi may exist in symbiosis with chemolithotrophic prokaryotes (Ivarsson et al 2016).…”

Section: Characteristics Of Rock Transforming Fungimentioning

confidence: 99%

The roles of endolithic fungi in bioerosion and disease in marine ecosystems. I. General concepts

et al. 2017

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Endolithic true fungi and fungus-like microorganisms penetrate calcareous substrates formed by living organisms, cause significant bioerosion and are involved in diseases of many host animals in marine ecosystems. A theoretical interactive model for the ecology of reef-building corals is proposed in this review. This model includes five principle partners that exist in a dynamic equilibrium: polyps of a colonial coelenterate, endosymbiotic zooxanthellae, endolithic algae (that penetrate coral skeletons), endolithic fungi (that attack the endolithic algae, the zooxanthellae and the polyps) and prokaryotic and eukaryotic microorganisms (which live in the coral mucus). Endolithic fungi and fungus-like boring microorganisms are important components of the marine calcium carbonate cycle because they actively contribute to the biodegradation of shells of animals composed of calcium carbonate and calcareous geological substrates.

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Fodinomyces uranophilusgen. nov. sp. nov. andConiochaeta fodinicolasp. nov., two uranium mine-inhabiting Ascomycota fungi from northern Australia

Cited by 47 publications

References 48 publications

Heavy metal capture by autochthonous yeasts from a volcanic influenced environment of Patagonia

Heavy metal capture by autochthonous yeasts from a volcanic influenced environment of Patagonia

Fungi inhabiting knotwood ofPinus sylvestrisinfected byPorodaedalea pini

The roles of endolithic fungi in bioerosion and disease in marine ecosystems. I. General concepts

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