Journal
MYCOLOGIA
Volume 103, Issue 3, Pages 570-585Publisher
TAYLOR & FRANCIS INC
DOI: 10.3852/10-038
Keywords
beta-tubulin; calmodulin; elongation factor EF-1 alpha; excision; FGC; fumonisin; Gibberella fujikuroi complex; multilocus phylogeny; RPB2
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Funding
- Belgian Federal Science Policy Office [BCCM C2/10/007, C3/10/003]
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Several strains of Fusarium isolated from banana were identified previously as F. verticillioides (Sacc.) Nirenberg but described as unable to produce fumonisin. Here we report biochemical and morphological evidence, as well as multilocus phylogenetic analyses based on elongation factor (EF-1 alpha), calmodulin, beta-tubulin, and the second largest subunit of RNA polymerase II (RPB2) sequences, indicating that these isolates represent a unique lineage in the Gibberella fujikuroi species complex related to but distinct from F. verticillioides. Together with previous results of molecular studies, as well as with results of metabolite analyses, crossing experiments, pathogenicity tests and morphological characterization, these new data indicate that these strains isolated from banana represent a new species, Gibberella musae Van Hove et al. sp. nov. (anamorph: Fusarium musae Van Hove et al. sp. nov.), which is described herein.
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