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Multigene phylogenetic study of Cyclaneusma species
journal contribution
posted on 2023-05-18, 02:53 authored by Prihatini, I, Morag GlenMorag Glen, Wardlaw, TJ, Caroline MohammedCaroline MohammedCyclaneusma Needle Cast is associated with the fungal pathogen Cyclaneusma minus. The disease has led to significant losses of Pinus radiata production in New Zealand, but the disease appears less serious in Australia. Two cultural morphotypes of C. minus have been discriminated in New Zealand, and isolates from Australia also correspond to these two morphotypes. To examine if the two morphotypes of Cyclaneusma are different species, phylogenetic analysis using sequences from five gene regions (rDNA ITS, mt-LSU, n-LSU, tef–1 and βT-1) was conducted. This study revealed that C. minus consists of two distinct clades which correspond to the two morphotypes. One morphotype (‘verum’) was more closely related to Cyclaneusma niveum than to the other morphotype (‘simile’). A morphological description is required to formalise the new species represented by the ‘simile’ clade; an investigation of the individual pathogenic behaviours of both morphotypes is also required.
Funding
Australian Research Council
Forestry Tasmania
Hosking Forestry Ltd
Taswood Growers
History
Publication title
Forest PathologyVolume
44Issue
4Pagination
299-309ISSN
1439-0329Department/School
Tasmanian Institute of Agriculture (TIA)Publisher
Blackwell Verlag GmbhPlace of publication
Kurfurstendamm 57, Berlin, Germany, D-10707Rights statement
Copyright 2014 Blackwell Verlag GmbHRepository Status
- Restricted