Phylogenetic relationships among species of Ganoderma (Ganodermataceae, Basigiomycota) from Cameroon

Abstract

Ganoderma is an important genus of the Polyporales in the tropics. Identification of tropical species has mainly been based on morphology, which has led to misidentification. This study aimed to elucidate the diversity and phylogenetic relationships of Ganoderma isolates from different hosts in Cameroon using morphological and molecular techniques. Analyses of basidiocarp morphology and the internal transcribed spacer and mitochondria small subunit were undertaken for 28 isolates from five plant species. The results show that the isolates belong to eight species. Three of the species were identified to species level; of these only G. ryvardense has been previously described from Cameroon while G. cupreum and G. weberianum are new records. The five remaining species did not match with any previously described species and have been designated as Ganoderma with different species affinities.Laboratory work for this research was funded by the Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, South Africa under the Tree Protection Co-operative Program (TPCP) and Centre for Excellence in Tree Health Biotechnology (CTHB). Fieldwork and equipment were sponsored by the Rufford Small Grant for Nature Conservation and Idea Wild Grant.http://www.publish.csiro.au/nid/65.htmhb2017Forestry and Agricultural Biotechnology Institute (FABI)Genetic

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