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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Species concepts in cercospora: Spotting the weeds among the roses
Studies in Mycology, Volume 75, Year 2013
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Description
The genus Cercospora contains numerous important plant pathogenic fungi from a diverse range of hosts. Most species of Cercospora are known only from their morphological characters in vivo. Although the genus contains more than 5 000 names, very few cultures and associated DNA sequence data are available. In this study, 360 Cercospora isolates, obtained from 161 host species, 49 host families and 39 countries, were used to compile a molecular phylogeny. Partial sequences were derived from the internal transcribed spacer regions and intervening 5.8S nrRNA, actin, calmodulin, histone H3 and translation elongation factor 1-alpha genes. The resulting phylogenetic clades were evaluated for application of existing species names and five novel species are introduced. Eleven species are epi-, lecto- or neotypified in this study. Although existing species names were available for several clades, it was not always possible to apply North American or European names to African or Asian strains and vice versa. Some species were found to be limited to a specific host genus, whereas others were isolated from a wide host range. No single locus was found to be the ideal DNA barcode gene for the genus, and species identification needs to be based on a combination of gene loci and morphological characters. Additional primers were developed to supplement those previously published for amplification of the loci used in this study. © CBS-KNAW Fungal Biodiversity.
Authors & Co-Authors
Groenewald, Johannes Zacharias Ewald
Netherlands, Utrecht
Westerdijk Fungal Biodiversity Institute - Knaw
Nakashima, Chiharu
Japan, Tsu
Mie University
Shin, Hyeon-dong
South Korea, Seoul
Korea University
Jama, A. N.
United Kingdom, Reading
University of Reading
Groenewald, Marizeth
Netherlands, Utrecht
Westerdijk Fungal Biodiversity Institute - Knaw
Braun, Uwe
Germany, Halle
Martin-luther-universität Halle-wittenberg
Crous, Pedro Willem
Netherlands, Utrecht
Westerdijk Fungal Biodiversity Institute - Knaw
Netherlands, Utrecht
Universiteit Utrecht
Netherlands, Wageningen
Wageningen University & Research
Statistics
Citations: 290
Authors: 7
Affiliations: 8
Identifiers
Doi:
10.3114/sim0012
ISSN:
01660616
Research Areas
Cancer
Genetics And Genomics