Document Detail


Two novel aflatoxin-producing Aspergillus species from Argentinean peanuts.
MedLine Citation:
PMID:  18319485     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Two novel species from Aspergillus section Flavi from different species of Arachis (peanuts) in Argentina are described as Aspergillus arachidicola sp. nov. and Aspergillus minisclerotigenes sp. nov. Their novel taxonomic status was determined using a polyphasic taxonomic approach with phenotypic (morphology and extrolite profiles) and molecular (beta-tubulin and calmodulin gene sequences) characters. A. minisclerotigenes resembles Aspergillus flavus and Aspergillus parvisclerotigenus in producing aflatoxins B(1) and B(2), cyclopiazonic acid, kojic acid and aspergillic acid, but in addition it produces aflatoxins G(1) and G(2), aflavarins, aflatrem, aflavinines, parasiticolides and paspaline. This species also includes several isolates previously assigned to A. flavus group II and three Australian soil isolates. A. arachidicola produces aflatoxins B(1), B(2), G(1) and G(2), kojic acid, chrysogine and parasiticolide, and some strains produce aspergillic acid. The type strain of A. arachidicola is CBS 117610(T) =IBT 25020(T) and that of A. minisclerotigenes is CBS 117635(T) =IBT 27196(T). The Mycobank accession numbers for Aspergillus minisclerotigenes sp. nov. and Aspergillus arachidicola sp. nov. are respectively MB 505188 and MB 505189 (http://www.mycobank.org).
Authors:
María B Pildain; Jens C Frisvad; Graciela Vaamonde; Daniel Cabral; Janos Varga; Robert A Samson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  International journal of systematic and evolutionary microbiology     Volume:  58     ISSN:  1466-5026     ISO Abbreviation:  Int. J. Syst. Evol. Microbiol.     Publication Date:  2008 Mar 
Date Detail:
Created Date:  2008-03-05     Completed Date:  2008-05-29     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100899600     Medline TA:  Int J Syst Evol Microbiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  725-35     Citation Subset:  IM    
Affiliation:
Faculty of Ciencias Exactas y Naturales, Pab. II, Lab. 69, University of Buenos Aires, CP EHA1428, Buenos Aires, Argentina.
Data Bank Information
Bank Name/Acc. No.:
GENBANK/EF203148;  EF203149;  EF203150;  EF203151;  EF203152;  EF203153;  EF203154;  EF203158;  EF203159;  EF203160;  EF203161;  EU072095;  EU072096;  EU072097;  EU072098;  EU072099;  EU072100;  EU072101
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MeSH Terms
Descriptor/Qualifier:
Aflatoxins / biosynthesis*
Arachis hypogaea / microbiology*
Argentina
Aspergillus / classification*,  genetics,  isolation & purification,  physiology
Calmodulin / genetics
DNA, Fungal / analysis
Genotype
Molecular Sequence Data
Mycological Typing Techniques
Phenotype
Sequence Analysis, DNA
Species Specificity
Tubulin / genetics
Chemical
Reg. No./Substance:
0/Aflatoxins; 0/Calmodulin; 0/DNA, Fungal; 0/Tubulin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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