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- W34105546 abstract "Phaeophleospora destructans is a devastating eucalypt pathogen first described in 1990 from 1-3 years old Eucalyptus grandis in Sumatra, Indonesia. Since then it has been recorded from Thailand, East, Timor, Vietnam and China. ITS sequence data of P. destructans on GenBank shows it to be closely related to the type species of the genus Phaeophleospora; P. eugeniae a pathogen of Eugenia uniflora described from Brazil. In order to develop molecular markers to study the rapid movement of P. destructans around Asia, several populations were collected from various regions and isolates sequenced using four protein gene regions; ITS, elongation factor I-alpha, betatubulin and chitin synthetase. The combined gene tree showed that P. destructans is closely related to P. eucalypti but not to P. eugeniae. With the recent redescription of the genus Colletogloeopsis, morphological characters between Phaeophleospora and Colletogloeopsis overlap, so what is Phaeophleospora? DNA based phylogenies has shown that all sequenced Phaeophleospora spp. from eucalypts and all Colletogloeopsis spp. fall in a clade together with Mycosphaerella nubilosa and far from P. eugeniae. We have acquired the original herbarium material for P. delegatensis and P. lilianae, species for which no cultures exist, and have, to date, successfully obtained sequence data for P. delegatensis, which also falls into the M. nubilosa clade. These results highlight the need for a revision of the genus Phaeophleospora, raising several alternative hypotheses. Do we synonymise Phaeophleospora species from eucalypts with Colletogloeopsis or resurrect Kirramyces for long spores species and use Colletogloeopsis for short species or synonymise all Colletogloeopsis and Phaeophleospora species from eucalypts, with Kirramyces (as it is an older genus than Colletogloeopsis)?" @default.
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- W34105546 date "2006-01-01" @default.
- W34105546 modified "2023-09-27" @default.
- W34105546 title "A reassessment of Phaeophleospora species on eucalypts" @default.
- W34105546 hasPublicationYear "2006" @default.
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