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Armillaria phylogeny based on tef-1a sequences suggests ongoing divergent speciation within the boreal floristic kingdom


Klopfenstein, Ned B.; Hanna, John W.; Ross-Davis, Amy L.; Stewart, Jane E.; Ota, Yuko; Medel-Ortiz, Rosario; Lopez-Ramirez, Miguel Armando; Elias-Roman, Ruben Damian; Alvarado-Rosales, Dionicio; Kim, Mee-Sook. 2013. Armillaria phylogeny based on tef-1a sequences suggests ongoing divergent speciation within the boreal floristic kingdom. In: Browning, John; Palacios, Patsy, comps. Proceedings of the 60th Annual Western International Forest Disease Work Conference; October 8-12 October 2012; Tahoe City, CA. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Forest Health Technology and Enterprise Team. p. 141-144.

Armillaria plays diverse ecological roles in forests worldwide, which has inspired interest in understanding phylogenetic relationships within and among species of this genus. Previous rDNA sequence-based phylogenetic analyses of Armillaria have shown general relationships among widely divergent taxa, but rDNA sequences were not reliable for separating closely related North American species, such as A. gallica, A. calvescens, A. cepistipes, and A. sinapina, or other closely related Eurasian species (Kim et al. 2006). Recent studies have shown that translation elongation factor 1-a (tef-1a) sequences appear quite useful for phylogenetic analysis of Armillaria spp. from diverse global regions (Maphosa et al. 2006; Antonín et al. 2009; Hasegawa et al. 2010; Ota et al. 2011; Brazee et al. 2011; Mulholland et al. 2012; Ross-Davis et al. 2012; Tsykun et al. 2012). The objective of this study is to determine phylogenetic relationships among northern hemisphere Armillaria spp. based on available tef -1a sequences from well-characterized isolates.

Keywords: Armillaria, rDNA


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Title: RMRS Other Publications: Armillaria phylogeny based on tef-1a sequences suggests ongoing divergent speciation within the boreal floristic kingdom
Electronic Publish Date: October 24, 2013
Last Update:
October 24, 2013

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