Abstract

Sinomyces gen. nov. is described for Ulocladium alternariae and two new species from China. These three species differ from Ulocladium in producing simple conidiophores with a single, cicatrized apical pore or 1 or 2 short, uniperforate, geniculate sympodial proliferations. Phylogenetic analysis of partial DNA sequences of the glyceraldehyde-3-phosphate dehydrogenase gene ( gpd) gene and a fragment of the Alternaria alternata major allergen (Alt a 1) gene, using Maximum-Parsimony (MP), Maximum-Likelihood (ML) and Bayesian approaches, indicates that Sinomyces is distinct within the Alternaria–Stemphylium complex, although its closest relatives could not be determined. Sinomyces alternariae comb. nov. and the new species Sinomyces obovoideus and Sinomyces fusoideus are proposed.

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