Journal
FUNGAL BIOLOGY
Volume 120, Issue 8, Pages 1002-1009Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.funbio.2016.05.001
Keywords
Mating system; Neotropical fungi; Nuclear behaviour; Residual polyporoid clade; Taxonomy
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Funding
- FAPESP (Fundacao de Amparo a Pesquisa do Estado de Sao Paulo, Brazil) [2011/17219-0]
- state budget of the Czech Republic [CZ.1.07/2.3.00/20.0265]
- European Social Fund
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [11/17219-0] Funding Source: FAPESP
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Ceriporiopsis latemarginata and Antrodiella angulatopora are two Neotropical polypores that are very similar morphologically and are characterized by effused-reflexed basidiomes, large angular pores, small ellipsoid to ovoid basidiospores and a monomitic hyphal system with presence of thick-walled hyphae with infrequent clamps. In order to verify the evolutionary relations of C. latemarginata and to find its taxonomic placement, morphological, biological, and phylogenetic studies were carried out, as well as comparisons with Antrodiella s.s. and Ceriporiopsis s.s. Mono- and poly-sporic cultures were obtained and used for mating system and nuclear behaviour studies, as well as for DNA sequence analyses of the internal transcribed spacer and large subunit of ribosomal RNA gene, translation elongation factor 1-alpha gene and RNA polymerase II second largest subunit-like gene. Type specimens of C. latemarginata and A. angulatopora were morphologically examined and their synonymy was confirmed. The results obtained support the description of a new polypore genus Rickiopora in the residual polyporoid Glade characterized by a bipolar mating system, an astatocoenocytic nuclear behaviour, and a monomitic hyphal system that display a metachromatic reaction in cresyl blue. (C) 2016 British Mycological Society. Published by Elsevier Ltd. All rights reserved.
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