Literature DB >> 18599725

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

Paramee Noonim1, Warapa Mahakarnchanakul, Janos Varga, Jens C Frisvad, Robert A Samson.   

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)).

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Year:  2008        PMID： 18599725     DOI： 10.1099/ijs.0.65694-0

Source DB:  PubMed          Journal:  Int J Syst Evol Microbiol        ISSN： 1466-5026            Impact factor:   2.747


  15 in total

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Authors:  D M Geiser; M A Klich; J C Frisvad; S W Peterson; J Varga; R A Samson
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