Two novel species of Aspergillus section Nigri from Thai coffee beans.

P. Noonim, W. Mahakarnchanakul, J. Varga, J.C. Frisvad, R.A. Samson

    Research output: Contribution to journal/periodicalArticleScientificpeer-review

    Abstract

    Two novel species of Aspergillus section Nigri from Thai coffee beans are described as Aspergillus aculeatinus sp. nov. and Aspergillus sclerotiicarbonarius sp. nov. Their taxonomic status was determined using a polyphasic taxonomic approach with phenotypic (morphology and extrolite profiles) and molecular (beta-tubulin, internal transcribed spacer and calmodulin gene sequences) characteristics. A. aculeatinus sp. nov. is a uniseriate species with a similar morphology to Aspergillus aculeatus and Aspergillus japonicus, but producing smaller conidia (2-5 microm). A. aculeatinus sp. nov. produced neoxaline, secalonic acid D and F, and aculeacins. A. sclerotiicarbonarius sp. nov. is a biseriate species similar to Aspergillus carbonarius and Aspergillus ibericus, but produces abundant sclerotia and some unique indol-alkaloids. The type strain of Aspergillus sclerotiicarbonarius sp. nov. is CBS 121057(T) (=IBT 28362(T)) and the type strain of Aspergillus aculeatinus sp. nov. is CBS 121060(T) (=IBT 29077(T)).
    Original languageEnglish
    Pages (from-to)1727-1734
    JournalInternational Journal of Systematic and Evolutionary Microbiology
    Volume58
    Issue numberPt 7
    DOIs
    Publication statusPublished - 2008

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