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Scanning Electron Microscopy (SEM) Protocols for Problematic Plant, Oomycete, and Fungal Samples
Published on: February 3, 2017
Semimorula liquescens is a modified echinostelid myxomycete (Mycetozoa)
Anna Maria Fiore-Donno1, Edward F Haskins, Jan Pawlowski
1University of Oxford, Department of Zoology, South Parks Road, Oxford OX1 3PS, United Kingdom. afiore-donno6@infomaniak.ch
Abstract:
The enigmatic Semimorula liquescens E.F. Haskins, McGuin. & C.S. Berry has been isolated repeatedly from dried infructescences of Lythrum salicaria collected from Seattle and Kirkland, Washington. Detailed developmental, morphological and ultrastructural studies suggested that it represents a taxon within Mycetozoa, closely allied with Myxogastria (Myxomycetes) but with unique characteristics. Phylogeny based on two genes places it with confidence in family Echinosteliidae. This species differs from a typical Echinostelium in the way spores germinate and in the lack of a stalked sporophore, the latter being a secondary loss. Semimorula liquescens therefore might be a useful negative model to search for genes inducing stalk formation during sporulation.
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