NDLI: Diversimorbus metrosiderotis gen. et sp. nov. and three new species of Holocryphia (Cryphonectriaceae) associated with cankers on native Metrosideros angustifolia trees in South Africa.

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Diversimorbus metrosiderotis gen. et sp. nov. and three new species of Holocryphia (Cryphonectriaceae) associated with cankers on native Metrosideros angustifolia trees in South Africa.

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Diversimorbus metrosiderotis gen. et sp. nov. and three new species of Holocryphia (Cryphonectriaceae) associated with cankers on native Metrosideros angustifolia trees in South Africa.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Chen, ShuaiFei Wingfield, Michael J. Roux, Jolanda
Spatial Coverage	South Africa
Description	Country affiliation: South Africa Author Affiliation: Chen S ( DST/NRF Centre of Excellence in Tree Health Biotechnology-CTHB, Forestry and Agricultural Biotechnology Institute-FABI, Department of Microbiology and Plant Pathology, Private Bag X20, University of Pretoria, Pretoria 0028, South Africa.)
Abstract	The Cryphonectriaceae includes important tree pathogens, especially on the Myrtales. During a routine disease survey in the Western Cape Province of South Africa, a fungus resembling the Eucalyptus pathogen Holocryphia eucalypti was observed on native Metrosideros angustifolia (Myrtales). The aims of this study were to identify the fungus and to expand surveys for fungi in the Cryphonectriaceae on M. angustifolia. Fungi were identified based on DNA sequence comparisons and morphological features, and their pathogenicity was tested on M. angustifolia under field conditions. Based on morphology and multigene phylogenetic analyses of DNA sequence data from six gene regions, we describe a new genus including a single species and three new species of Holocryphia (Cryphonectriaceae) from M. angustifolia. These fungi are provided with the names Diversimorbus metrosiderotis gen. et sp. nov., Holocryphia capensis sp. nov., Holocryphia gleniana sp. nov., and Holocryphia mzansi sp. nov. We also revise H. eucalypti, the type of the genus, to include only isolates from Eucalyptus in South Africa. Research results indicated that H. mzansi may undergo host shifts between different tree genera in the Myrtaceae. Inoculation tests showed that isolates of all the newly described species can cause lesions on the branches of M. angustifolia, indicating that they are all pathogens of this tree.
File Format	HTM / HTML
ISSN	18786146
Issue Number	5
Volume Number	117
Journal	Fungal Biology
Language	English
Publisher	Elsevier
Publisher Date	2013-05-01
Publisher Place	Netherlands
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Microbiology Ascomycota Classification Isolation & Purification Myrtaceae Microbiology Plant Diseases Genetics Pathogenicity Dna, Fungal Dna, Ribosomal Molecular Sequence Data Phylogeny South Africa Virulence Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Infectious Diseases Genetics Plant Science Ecology, Evolution, Behavior and Systematics

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