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Abstract

Two novel species of that are clearly distinct from all known species in section were revealed during a study of microfungal communities in Spanish caves. The novel species identified in this study and additional species of section are associated with places and substrates related to human activities in caves. Novel species are described using data from four loci (ITS, , and ), morphology and basic chemical and physiological analyses. Members of the species sp. nov. were isolated from various substrates, including decaying organic matter, cave air and cave sediment of the Cueva del Tesoro Cave (the Treasure cave); the species is represented by twelve isolates and is most closely related to the recently described . Members of the species sp. nov. were isolated from cave sediment in the Gruta de las Maravillas Cave (the Grotto of the Marvels); the species is represented by two isolates. An additional isolate was found in the Cueva del Tesoro Cave and in the Demänovská Peace Cave (Slovakia), suggesting a potentially wide distribution of this micro-organism. The species is related to and . Both species were unable to grow at 37 °C, and a weakly positive, light greenish yellow Ehrlich reaction was observed in . . Unique morphological features alone are sufficient to distinguish both species from related taxa.

Funding
This study was supported by the:
  • Research Plan of the ISB BC AS CR, v.v.i.
  • AS CR
  • CSIC (Award GAUK 607812, AV0Z50200510 and MSM 6007665801)
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2012-11-01
2021-10-23
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