Monodictys arctica, a new hyphomycete from the roots of Saxifraga oppositifolia collected in the Canadian High Arctic

Monodictys arctica sp. nov. is described on the basis of nine isolates obtained from the roots of eight separate collections of Saxifraga oppositifolia from Ellesmere Island, Nunavut, Canada. Conidia are multicelled, smooth, darkly pigmented, and globose, oblong, ellipsoidal, or pyriform to irregula...

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Bibliographic Details
Published inMycotaxon Vol. 98; pp. 261 - 272
Main Authors Day, M.J, Gibas, C.F.C, Fujimura, K.E, Egger, K.N, Currah, R.S
Format Journal Article
LanguageEnglish
Published 01.10.2006
Subjects
conidia
descriptions
DNA fingerprinting
endophytes
fungal anatomy
geographical distribution
hyphae
Hyphomycetes
internal transcribed spacers
Leptosphaeria
Leptosphaeria dryadophila
molecular sequence data
new species
phylogeny
plant taxonomy
ribosomal DNA
roots
Saxifraga
Saxifraga oppositifolia
Canada
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Summary:Monodictys arctica sp. nov. is described on the basis of nine isolates obtained from the roots of eight separate collections of Saxifraga oppositifolia from Ellesmere Island, Nunavut, Canada. Conidia are multicelled, smooth, darkly pigmented, and globose, oblong, ellipsoidal, or pyriform to irregularly shaped or dichotomously branched, consisting of a blastically produced basal cell and a distal proliferation of up to 24 cells arising from meristematic growth. Analyses of SSU and ITS sequences indicate the species is unique but has an affinity to the loculoascomycete taxon Leptosphaeria dryadophila.
ISSN:0093-4666
2154-8889