Taxonomy and richness of yeasts associated with angiosperms, bryophytes, and meltwater biofilms collected in the Antarctic Peninsula

Ferreira, Evandro Maia; Sousa, Francisca Maria Pinheiro de; Rosa, Luiz Henrique; Pimenta, Raphael Sanzio

doi:10.1007/s00792-018-1069-9

Cited by 18 publications

(12 citation statements)

References 39 publications

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“…Rhodotorula mucilaginosa is ubiquitous and is present in different habitats and substrates, including cold and extreme environments [47]. In Antarctica, R. mucilaginosa is commonly isolated from terrestrial and marine substrates [48,49]. Despite the extensive snow cover of the Antarctic continent, our study represents the first report on the high density of R. muscilagionsa in snow samples of different sites in Antarctica.…”

Section: Discussionmentioning

confidence: 94%

Diversity, Distribution, and Ecology of Fungi in the Seasonal Snow of Antarctica

et al. 2019

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We characterized the fungal community found in the winter seasonal snow of the Antarctic Peninsula. From the samples of snow, 234 fungal isolates were obtained and could be assigned to 51 taxa of 26 genera. Eleven yeast species displayed the highest densities; among them, Phenoliferia glacialis showed a broad distribution and was detected at all sites that were sampled. Fungi known to be opportunistic in humans were subjected to antifungal minimal inhibition concentration. Debaryomyces hansenii, Rhodotorula mucilaginosa, Penicillium chrysogenum, Penicillium sp. 3, and Penicillium sp. 4 displayed resistance against the antifungals benomyl and fluconazole. Among them, R. mucilaginosa isolates were able to grow at 37 °C. Our results show that the winter seasonal snow of the Antarctic Peninsula contains a diverse fungal community dominated by cosmopolitan ubiquitous fungal species previously found in tropical, temperate, and polar ecosystems. The high densities of these cosmopolitan fungi suggest that they could be present in the air that arrives at the Antarctic Peninsula by air masses from outside Antarctica. Additionally, we detected environmental fungal isolates that were resistant to agricultural and clinical antifungals and able to grow at 37 °C. Further studies will be needed to characterize the virulence potential of these fungi in humans and animals.

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Section: Discussionmentioning

confidence: 94%

Diversity, Distribution, and Ecology of Fungi in the Seasonal Snow of Antarctica

et al. 2019

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“… 2011 ; Santiago, Rosa and Rosa 2017 ; Ferreira et al . 2019 ). Some fugal taxa were found in only one of the Antarctica plant species, suggesting host specificity of plant-associated microorganisms, such as Rhodotorula mucilaginosa , Sporidiobolus ruineniae and Leucosporodium aff.…”

Section: Plant-associated Microbial Communities In Antarcticamentioning

confidence: 99%

“…Likewise, Ascomycota and Basidiomycota were the dominant phyla among plant-associated fungi in cold environments and some plant-associated fungal taxa can be frequently found in alpine, Arctic and Antarctic regions, such as Cryptococcus , Fusarium , Mrakia and Rhodotorula genera (Ferreira et al . 2019 ; Li et al . 2018 ; Praeg, Pauli and Illmer 2019 ; Santiago, Rosa and Rosa 2017 ; Wassermann et al .…”

Section: Adaptation Strategies Of Plant-associated Microbial Communities To Harsh Conditionsmentioning

confidence: 99%

Ecology and potential functions of plant-associated microbial communities in cold environments

Marian

Licciardello

Vicelli

et al. 2021

FEMS Microbiology Ecology

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Complex microbial communities are associated with plants and can improve their resilience under harsh environmental conditions. In particular, plants and their associated communities have developed complex adaptation strategies against cold stress. Although changes in plant-associated microbial community structure have been analyzed in different cold regions, scarce information is available on possible common taxonomic and functional features of microbial communities across cold environments. In this review, we discuss recent advances in taxonomic and functional characterization of plant-associated microbial communities in three main cold regions, such as alpine, Arctic, and Antarctica environments. Culture-independent and culture-dependent approaches are analyzed, in order to highlight main factors affecting the taxonomic structure of plant-associated communities in cold environments. Moreover, biotechnological applications of plant-associated microorganisms from cold environments are proposed for agriculture, industry, and medicine, according to biological functions and cold adaptation strategies of bacteria and fungi. Although further functional studies may improve our knowledge, the existing literature suggest that plants growing in cold environments harbor complex, host specific, and cold adapted microbial communities, which may play key functional roles in plant growth and survival under cold conditions.

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“…Yeast-like forms and colonies are also described for Thelebolus ellipsoideus and Thelebolus globosus [12] and an unidentified Thelebolus species [13] that appears to be Thelebolus balaustiformis based on a blast query in GenBank. A yeast-like Antarctomyces species, sharing a 97 % identity with the internal transcribed spacer sequence of the ex-type strain of Antarctomyces psychotrophicus , was isolated from a bryophyte in Antarctica [14]. There are also examples of yeast-like fungi in Pseudeurotiaceae, the second family of Thelebolales.…”

Section: Full-textmentioning

confidence: 99%

Comments on the occurrence of yeast-like morphologies in Leotiomycetes

Tanney

Quijada

2021

International Journal of Systematic and Evolutionary Microbiology

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Taxonomy and richness of yeasts associated with angiosperms, bryophytes, and meltwater biofilms collected in the Antarctic Peninsula

Cited by 18 publications

References 39 publications

Diversity, Distribution, and Ecology of Fungi in the Seasonal Snow of Antarctica

Diversity, Distribution, and Ecology of Fungi in the Seasonal Snow of Antarctica

Ecology and potential functions of plant-associated microbial communities in cold environments

Comments on the occurrence of yeast-like morphologies in Leotiomycetes

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