Oligotrophic fungi from a carbonate cave, with three new species of Cephalotrichum
| Autor: | Fang Liu, Jia-Rui Jiang, Lei Cai |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2017 |
| Předmět: |
inorganic chemicals
0301 basic medicine Microorganism Cave fungi lcsh:QR1-502 Biology phylogeny complex mixtures Microbiology lcsh:Microbiology 03 medical and health sciences chemistry.chemical_compound taxonomy Nutrient Cave Phylogenetics Botany morphology lcsh:QH301-705.5 geography geography.geographical_feature_category Ecology fungi 030108 mycology & parasitology oligotrophic fungi equipment and supplies Cephalotrichum 030104 developmental biology Infectious Diseases chemistry lcsh:Biology (General) bacteria Carbonate Taxonomy (biology) |
| Zdroj: | Mycology, Vol 8, Iss 3, Pp 164-177 (2017) |
| ISSN: | 2150-1211 2150-1203 |
| Popis: | Oligotrophs are microorganisms that can grow in environments where concentrations of nutrients are low or even absent. Caves are typical oligotrophic environments distinctly characterised by constant low temperature, high humidity, scarcity of organic matter and darkness, which encompass a high diversity of fungi. In our investigation of microorganisms from carbonate caves in China, 169 strains belonging to at least 84 taxa were isolated using oligotrophic carbon free silica gel medium (SGM). Cephalotrichum appeared to be one of the dominant genera. Further morphological comparisons and molecular phylogenetic analyses using DNA sequences of four loci (LSU, ITS, TUB2 and EF-1α) revealed that the 30 strains of Cephalotrichum represent three new species, which are described and named C. guizhouense, C. laeve and C. oligotriphicum. This study also significantly improved our understanding on fungi being able to grow on carbon free medium, with the known species increased from 18 to 99. |
| Databáze: | OpenAIRE |
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