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J Fungi (Basel). 2021 Nov 03;7(11). doi: 10.3390/jof7110935.

[No title available]

Journal of fungi (Basel, Switzerland)

Lucia Muggia, Claudia Coleine, Roberto De Carolis, Agnese Cometto, Laura Selbmann

Affiliations

  1. Department of Life Sciences, University of Trieste, Via Giorgieri 10, 34127 Trieste, Italy.
  2. Department of Ecological and Biological Sciences, University of Tuscia, Largo dell' Università, 01100 Viterbo, Italy.
  3. Mycological Section, Italian Antarctic National Museum (MNA), 16128 Genoa, Italy.

PMID: 34829222 PMCID: PMC8621061 DOI: 10.3390/jof7110935

Abstract

Microbial endolithic communities are the main and most widespread life forms in the coldest and hyper-arid desert of the McMurdo Dry Valleys and other ice-free areas across Victoria Land, Antarctica. There, the lichen-dominated communities are complex and self-supporting assemblages of phototrophic and heterotrophic microorganisms, including bacteria, chlorophytes, and both free-living and lichen-forming fungi living at the edge of their physiological adaptability. In particular, among the free-living fungi, microcolonial, melanized, and anamorphic species are highly recurrent, while a few species were sometimes found to be associated with algae. One of these fungi is of paramount importance for its peculiar traits, i.e., a yeast-like habitus, co-growing with algae and being difficult to propagate in pure culture. In the present study, this taxon is herein described as the new genus

Keywords: Lichenostigmatales; Stichococcus; algae; melanization; microbial communities; phylogeny

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