Two novel species of Aspergillus section Nigri from Thai coffee beans

Paramee Noonim, Warapa Mahakarnchanakul, J. Varga, Jens C. Frisvad, Robert A. Samson

Research output: Contribution to journalArticle

38 Citations (Scopus)

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 usng a polyphasic taxonomic approach with phenotypic (morphology and extrolite profiles) and molecular (β-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 μm). 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 121057T (=IBT 28362T) and the type strain of Aspergillus aculeatinus sp. nov. is CBS 121060T (=IBT 29077T).

Original languageEnglish
Pages (from-to)1727-1734
Number of pages8
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume58
Issue number7
DOIs
Publication statusPublished - Jul 2008

Fingerprint

coffee beans
Coffee
coffee
Aspergillus
new species
alkaloid
Aspergillus japonicus
Aspergillus aculeatus
Aspergillus carbonarius
gene
acid
sclerotia
Echinocandins
calmodulin
tubulin
Fungal Spores
internal transcribed spacers
conidia
alkaloids
Calmodulin

ASJC Scopus subject areas

  • Microbiology
  • Ecology, Evolution, Behavior and Systematics

Cite this

Two novel species of Aspergillus section Nigri from Thai coffee beans. / Noonim, Paramee; Mahakarnchanakul, Warapa; Varga, J.; Frisvad, Jens C.; Samson, Robert A.

In: International Journal of Systematic and Evolutionary Microbiology, Vol. 58, No. 7, 07.2008, p. 1727-1734.

Research output: Contribution to journalArticle

Noonim, Paramee ; Mahakarnchanakul, Warapa ; Varga, J. ; Frisvad, Jens C. ; Samson, Robert A. / Two novel species of Aspergillus section Nigri from Thai coffee beans. In: International Journal of Systematic and Evolutionary Microbiology. 2008 ; Vol. 58, No. 7. pp. 1727-1734.
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