Journal
MYCOTAXON
Volume 107, Issue -, Pages 463-472Publisher
MYCOTAXON LTD
DOI: 10.5248/107.463
Keywords
rDNA; endophyte
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An endophytic pycnidial producing fungus was isolated front Drosera montana, growing in the Heath River area of the Bolivian Amazon. Based oil morphological characteristics of the pycnidium, the nature of the conidiophores and conidial structure as well surprisingly unique DNA sequence data on this fungus, a new genus, Aurosphaeria, is described. The nearest genetic neighbor is Stemphylium sp. with a query coverage of 87% and a maximum identity of 89%. This fungus is not morphologically related to Aurosphaeria. Morphologically, the Most similar fungus is Hapalosphaeria sp.; however, Aurosphaeria deviates from Hopalosphaeria by its unique phialidic conidiophores, the presence of decorative hyphal tufts on the pycnidia, and other features that are herein described. Biochemically, A. flaviradians is of interest as it produces copious quantities of brefeldin A, a biologically active compound, in liquid culture.
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