Journal
FUNGAL BIOLOGY
Volume 118, Issue 12, Pages 970-978Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.funbio.2014.09.001
Keywords
Internal transcribed spacer region; ITS; Ophiostomatales; Raffaelea sensu stricto; Wilt pathogens
Categories
Funding
- U. S. Department of Agriculture AFRI Biosecurity Program [2010-85605-20537]
- National Institute of Food and Agriculture [2009-51181-05915]
- NIFA [687300, 2010-85605-20537] Funding Source: Federal RePORTER
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The genus Raffaelea was established in 1965 when the type species, Raffaelea ambrosia, a symbiont of Platypus ambrosia beetles was described. Since then, many additional ambrosia beetle symbionts have been added to the genus, including the important tree pathogens Raffaelea quercivora, Raffaelea quercus-mongolicae, and Raffaelea lauricola, causal agents of Japanese and Korean oak wilt and laurel wilt, respectively. The discovery of new and the dispersal of described species of Raffaelea to new areas, where they can become invasive, presents challenges for diagnosticians as well as plant protection and quarantine efforts. In this paper, we present the first comprehensive multigene phylogenetic analysis of Raffaelea. As it is currently defined, the genus was found to not be monophyletic. On the basis of this work, Raffaelea sensu stricto is defined and the affinities of undescribed isolates are considered. (C) 2014 Published by Elsevier Ltd on behalf of The British Mycological Society.
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