ITS and beta-tubulin phylogeny of Phaeoacremonium and Phaeomoniella species

Based on ITS and beta -tubulin sequence data of 33 isolates, the newly intr oduced genus, Phaeomoniella was confirmed as being distinct from Phaeoacrem onium (Pm.). Phylogeny inferred from DNA sequences and cultural characteris tics also confirmed the species status of Pm. aleophilum and Pm. angustius, which were recently reduced to synonymy. Pm. aleophilum has an optimum gro wth rate at 30 degreesC and the ability to grow at 35 degrees, whereas Pm. angustius has an optimum growth rate at 25 degreesC and does not grow at 35 degrees. Furthermore, ITS and beta -tubulin sequence data showed Pm. vitic ola to be indistinguishable from Pm. angustius, while a new species, Pm. mo rtoniae, could be distinguished from this complex.