Orbispora gen. nov., ancestral in the Scutellosporaceae (Glomeromycetes)

Scutellospora pernambucana and S. projecturata are transferred into Orbispora, our proposed new genus in the arbuscular mycorrhiza-forming Scutellosporaceae (Glomeromycota). Orbispora is recognized by spores formed terminally on sporogenous cells and three spore walls with single mono-lobed hyaline...

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Bibliographic Details
Published in:Mycotaxon 2011-09, Vol.116 (1), p.161-169
Main Authors: Oehl, Fritz, Silva, Danielle Karla Alves da, Maia, Leonor Costa, Sousa, Natália Mirelly Ferreira de, Vieira, Helder Elísio Evangelista, Silva, Gladstone Alves da
Format: Article
Language:English
Subjects:
Acaulospora
Evolution
Gigasporaceae
Gigasporineae
Molecular Phylogeny
RDNA
Scutellospora
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Summary:Scutellospora pernambucana and S. projecturata are transferred into Orbispora, our proposed new genus in the arbuscular mycorrhiza-forming Scutellosporaceae (Glomeromycota). Orbispora is recognized by spores formed terminally on sporogenous cells and three spore walls with single mono-lobed hyaline to subhyaline germination orbs on the inner 'germinal' wall that appear identical to the orbs in Kuklospora colombiana, K. kentinensis, and a few Acaulospora species. DNA sequence analyses show the two Orbispora species as ancestral within the sporogenous cell-forming Glomeromycetes. An updated key summarizes the morphological differences among species in the Scutellosporaceae.
ISSN:0093-4666
2154-8889
DOI:10.5248/116.161