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1998
LePage, B.A., Currah, R.S., Stockey, R.A.
Two ascomycetes from the middle Eocene (48.7 million yr b.p.) Princeton chert are described. Palaeoserenomyces allenbyensis gen. et sp. nov. consists of long, loculate stromata of distinctive columnar cells beneath the epidermis of the extinct fan palm, Uhlia allenbyensis. The sporogenous locules...
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2007
Greif, M.D., Tsuneda, A., Currah, R.S., Gibas, C.F.C.
Catinella olivacea is a discomycetous fungus often found fruiting within cavities in rotting logs. Because this habitat would lack the air currents upon which discomycete species normally rely for the dispersal of their forcibly ejected ascospores, we suspected an alternative disseminative...
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Ascomatal Morphogenesis in Myxotrichum arcticum Supports the Derivation of the Myxotrichaceae from a Discomycetous Ancestor
Download2004
Electron microscopy shows that ascomata of Myxotricum arcticum bear a striking resemblance to discocarps in morphogenesis and in previously overlooked aspects of gross morphology. Although mature ascomata of M. arcticum superficially resemble reticuloperidial cleistothecia common in the...
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Atradidymella muscivora gen. et sp. nov. (Pleosporales) and its anamorph Phoma muscivora sp. nov.: A new pleomorphic pathogen of boreal bryophytes
Download2009
During a survey of bryophilous fungi from boreal and montane habitats, 12 isolates of a hitherto unknown plant pathogenic member of the Pleosporales were recovered from Aulacomnium palustre , Hylocomium splendens , and Polytrichum juniperinum , and described as Atradidymella muscivora gen. et sp....
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Comparative Morphology and Phylogenetic Placement of Two Microsclerotial Black Fungi from Sphagnum
Download2003
Currah, R.S., Hambleton, S., Tsuneda, A.
Capnobotryella renispora and Scleroconidioma sphagnicola form black, irregularly shaped microsclerotia that are indistinguishable in gross morphology on leaves of Sphagnum fuscum. In culture, microsclerotia of these fungi were similar, in that mature component cells possessed thick, highly...
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2004
Tsuneda, A., Currah, R.S., Tsuneda, I.
Details of the development of endoconidia were basically the same in Endoconidioma populi and Phaeotheca fissurella. In both species, endoconidiogenesis involved (i) subdivision of conidiogenous mother cells by septation to form two to several daughter cells; (ii) accumulation of an electrondense...
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Endomembrane system of aspen roots plays a key role in defense against a common fungal endophyte Cryptosporiopsis radicicola
Download2009
Tsuneda, I., Wang, W., Currah, R.S., Tsuneda, A.
The host-endophyte interaction between roots of aspen (Populus tremuloides) andCryptosporiopsis radicicola was examined primarily by transmission electron microscopy. Hyphae growing on the exterior of the inoculated roots had a thick, electron-dense, adhesive sheath. At hyphal contact and...
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Evidence that the gemmae of Papulaspora sepedonioides are neotenous perithecia in the Melanosporales
Download2008
Tsuneda, A., Davey, M.L., Currah, R.S.
Papulaspora sepedonioides produces large multicellular gemmae with several, thick-walled central cells enclosed within a sheath of smaller thinwalled cells. Phylogenetic analysis of the large subunit rDNA indicates P. sepedonioides has affinities to the Melanosporales (Hypocreomycetidae). The...
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2006
Wang, W., Li, J., Liu, D., Lu, Z., Zheng, H., Wong, G., Cai, Z., Fan, C., Zhang, J., Vang, S., Long, M., Zhang, G., Wang, J., Shi, J.
Retroposition is widely found to play essential roles in origination of new mammalian and other animal genes. However, the scarcity of retrogenes in plants has led to the assumption that plant genomes rarely evolve new gene duplicates by retroposition, despite abundant retrotransposons in plants...
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2007
Wang, W., Wang, H., Wong, G.K.S., Zheng, H., Clark, T., Zhang, G., Kang, L., Wang, J., Shi, J., Wang, X.
Background Insects constitute the vast majority of known species with their importance including biodiversity, agricultural, and human health concerns. It is likely that the successful adaptation of the Insecta clade depends on specific components in its proteome that give rise to specialized...