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Molecular systematics of the Sordariales: the order and the family Lasiosphaeriaceae redefined
Two new orders, Coniochaetales and Chaetosphaeriales, are recognized and the Boliniaceae is accepted in the Boliniales, and the Nitschkiaceae is acceptance in the Coronophorales.
Teleomorph-anamorph connections: the new pyrenomycetous genus Carpoligna and its Pleurothecium anamorph
Parsimony and maximum likelihood analyses of the large subunit nuclear-encoded ribo- somal DNA from representative taxa of eight asco- mycetous orders show this ascomycete as a monophy- letic group distinct from Chaetosphaeria, and the implications of the phylogenetic relationships of Carpoligna in the practical identification of morphologically similar pyrenomycetes are discussed.
Widespread occurrence of spliceosomal introns in the rDNA genes of ascomycetes.
- D. Bhattacharya, F. Lutzoni, V. Reeb, D. Simon, J. Nason, F. Fernández
- BiologyMolecular biology and evolution
- 1 December 2000
The analyses suggest that these spliceosomal introns are of relatively recent origin, i.e., within the Euascomycetes, and have arisen through aberrant reverse-splicing of free pre-mRNA introns into rRNAs.
New species of Chaetosphaeria, Melanopsammella and Tainosphaeria gen. nov. from the Americas
Ten new species of Chaetosphaeria, and one new species of Melanopsammella are described from North temperate and tropical America. The new genus Tainosphaeria is also described and Chaetosphaeria…
Molecular systematics of the Coronophorales and new species of Bertia, Lasiobertia and Nitschkia.
Based on molecular data, the Coronophorales is found to be monophyletic and its placement in the Hypocreomycetidae is maintained.
MORPHOLOGICAL AND RAPD ANALYSES OF DIAPORTHE PHASEOLORUM FROM SOYBEAN
Isolates of Diaporthe phaseolorum varieties caulivora, meridionalis and sojae, and Phomopsis lon- gicolla were grown on various substrates in the labo? ratory and inoculated into soybean plants in…
Systematics of the genus Chaetosphaeria and its allied genera: morphological and phylogenetic diversity in north temperate and neotropical taxa.
This study aimed to assess the value and significance of morphological characters in resolving phylogenetic relationships in Chaetosphaeria and its allied genera and revealed two major lineages.
Two pantropical Ascomycetes: Chaetosphaeria cylindrospora sp. nov. and Rimaconus, a new genus for Lasiosphaeria jamaicensis
Family placement is unclear according to analyses of sequences of the large subunit nrDNA, however, it did not show affinities either to Lasiosphaeria ovina or other members of the Sordariales sensu stricto, based on morphological characters it is placed in the Pleurotremataceae.
Microcycle Conidiation and Nuclear Behavior During Conidiogenesis in Cercospora Kikuchii
Microcycle conidiation and nuclear events during conidiogenesis in Cercospora kikuchii are described. During conidiogenesis a single nucleus migrates into the conidial initial and subsequently give...
Paramphisphaeria costaricensis gen. et sp. nov. and Pachytrype rimosa sp. nov. from Costa Rica
Paramphisphaeria is described as a new genus on the basis of the single species, P. costaricensis, which resembles Amphisphaeria in its brown color and lack of constriction at the septum of the ascospore.