Morphological and molecular characteristics of a poorly known marine ascomycete, Manglicola guatemalensis (Jahnulales: Pezizomycotina; Dothideomycetes, Incertae sedis): new lineage of marine ascomycetes

Mycologia
Satinee SuetrongE B Gareth Jones

Abstract

The poorly known marine ascomycete Manglicola guatemalensis from Trang and Trat provinces, Thailand, were collected in 2005 and 2006 on the brackish water palm Nypa fruticans. This fungus is known only from two previous collections. This paper reports on the morphological characteristics and molecular phylogeny of this unique marine bitunicate ascomycete. Manglicola guatemalensis has large clavate to obtusely fusiform ascomata, wide ostioles, bitunicate asci, cylindrical, thick-walled, unequally one-septate ascospores, constricted at the septum, apical cell larger, chestnut-brown and a smaller light brown basal cell. Ascospores germinate readily, always from the basal cell. Four isolates from different locations were selected for the phylogenetic study. Regions of the rDNA gene, including SSU and LSU, were sequenced and combined. Molecular data places M. guatemalensis in the Jahnulales with high bootstrap support; all strains are monophyletic. In the combined SSU and LSU analyses the Jahnulales comprises four subclades, A, B, C and D. Subclade A comprises Jahnula species and two anamorphic fungi, Brachiosphaera tropicalis and Xylomyces chlamydosporus. In subclade B Manglicola strains form a sister group of the Aliquandostipite ...Continue Reading

References

Aug 29, 2001·Bioinformatics·J P Huelsenbeck, F Ronquist
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Aug 27, 2005·Mycological Research·Nitaro MaekawaYoshikazu Hoshi
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Citations

Aug 15, 2020·Frontiers in Microbiology·Dan-Feng BaoHong-Yan Su
Feb 20, 2010·Studies in Mycology·S SuetrongE B G Jones
Feb 20, 2010·Studies in Mycology·C A ShearerY Zhang

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