期刊
MYCOSCIENCE
卷 56, 期 5, 页码 530-541出版社
MYCOLOGICAL SOC JAPAN
DOI: 10.1016/j.myc.2015.05.001
关键词
Fungal diagnostics; Intergenic spacer region one (IGS-1); Root rot; Transcription elongation factor one; alpha (TEF-1 alpha) gene
类别
资金
- National Research Foundation (NRF)
- THRIP initiative of the Department of Trade and Industry
- DST/NRF Centre of Excellence in Tree Health Biotechnology (CTHB) South Africa
Fourteen Chinese Biological Species (CBS) of Armillaria were previously identified in a collection of Chinese isolates. CBS C, F, G, H, J, L, N and O remained unnamed, while the remaining isolates included A. borealis, A. cepistipes, A. gallica, A. mellea, A. sinapina and A. tabescens. CBS F was suggested to represent A. singula based on basidiocarp morphology. In this study, phylogenetic relationships between Chinese Armillaria isolates and those from other parts of the world were determined based on DNA sequence data. Results of this study suggest that CBS F might not represent A. singula, and that A. monadelpha (a name applied to the North American form of A. tabescens by some authors) and A. tabescens should be treated as a single species. Four main phylogenetic lineages, referred to as the A. ostoyae, A. gallica, A. tabescens and A. mellea clusters, were identified on the phylogenetic trees. The unnamed biological species grouped within the A. gallica cluster and were phylogenetically closely related. The results of this study contribute to our current understanding of the systematics of Armillaria from South East Asia where these fungi are relatively poorly known. (C) 2015 The Mycological Society of Japan. Published by Elsevier B.V. All rights reserved.
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