1887

Abstract

Several species of the genus were isolated during a survey of the mycobiota of leaf litter and soil in Colombian Amazon forest. Five species, sp. nov. (type strain CBS 113178 = IBT 23262), sp. nov. (type strain CBS 118171 = IBT 23253), sp. nov. (type strain CBS 113149 = IBT 23247), sp. nov. (type strain CBS 118135 = IBT 23229) and sp. nov. (type strain CBS 126216 = IBT 23203) are described here as novel species. Their taxonomic novelty was determined using a polyphasic approach, combining phenotypic, molecular (ITS and partial βtubulin sequences) and extrolite data. Phylogenetic analyses showed that each novel species formed a unique clade for both loci analysed and that they were most closely related to ,, and . An overview of the phylogeny of this taxonomically difficult group is presented, and 33 species are accepted. Each of the five novel species had a unique extrolite profile of known and uncharacterized metabolites and various compounds, such as penicillic acid, andrastin A, pulvilloric acid, paxillin, paspaline and janthitrem, were commonly produced by these phylogenetically related species. The novel species had a high growth rate on agar media, but could be distinguished from each other by several macro- and microscopical characteristics.

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2011-06-01
2020-01-23
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vol. , part 6, pp. 1462 - 1475

One of the 84 MP trees (length 126) of ITS sequences depicting the relationship between the new species and various taxa related to and .

Best scoring ML tree of combined ITS and partial β-tubulin dataset. Bootstrap values <50% were removed and branches with >95% bootstrap are thickened without values.

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