A multiple gene genealogy reveals phylogenetic placement of Rhopalostroma lekae

Daranagama, Dinushani A.; Liu, Xingzhong; Chamyuang, Sunita; Stadler, Marc; Hyde, Kevin D.

doi:10.11646/phytotaxa.186.4.1

Cited by 13 publications

(12 citation statements)

References 40 publications

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“…sequence data in GenBank retrieved from material that is not available in the public domain for verification of the taxonomy). Recent work by Daranagama et al (2014Daranagama et al ( , 2015 provided additional rDNA and RPB2 sequence data, in particular for important Anthostomella species and other related taxa. Because of these studies, and comprehensive treatments of the Xylariaceae in phylogenies obtained exclusively from housekeeping gene sequences by Hsieh et al (2005Hsieh et al ( , 2010, the data matrix for a multigene genealogy has steadily increased over the past decade.…”

Section: Introductionmentioning

confidence: 99%

Resurrection and emendation of the Hypoxylaceae, recognised from a multigene phylogeny of the Xylariales

et al. 2017

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A multigene phylogeny was constructed, including a significant number of representative species of the main lineages in the Xylariaceae and four DNA loci the internal transcribed spacer region (ITS), the large subunit (LSU) of the nuclear rDNA, the second largest subunit of the RNA polymerase II (RPB2), and beta-tubulin (TUB2). Specimens were selected based on more than a decade of intensive morphological and chemotaxonomic work, and cautious taxon sampling was performed to cover the major lineages of the Xylariaceae; however, with emphasis on hypoxyloid species. The comprehensive phylogenetic analysis revealed a clear-cut segregation of the Xylariaceae into several major clades, which was well in accordance with previously established morphological and chemotaxonomic concepts. One of these clades contained Annulohypoxylon, Hypoxylon, Daldinia, and other related genera that have stromatal pigments and a nodulisporium-like anamorph. They are accommodated in the family Hypoxylaceae, which is resurrected and emended. Representatives of genera with a nodulisporium-like anamorph and bipartite stromata, lacking stromatal pigments (i.e. Biscogniauxia, Camillea, and Obolarina) appeared in a clade basal to the xylarioid taxa. As they clustered with Graphostroma platystomum, they are accommodated in the Graphostromataceae. The new genus Jackrogersella with J. multiformis as type species is segregated from Annulohypoxylon. The genus Pyrenopolyporus is resurrected for Hypoxylon polyporus and allied species. The genus Daldinia and its allies Entonaema, Rhopalostroma, Ruwenzoria, and Thamnomyces appeared in two separate subclades, which may warrant further splitting of Daldinia in the future, and even Hypoxylon was divided in several clades. However, more species of these genera need to be studied before a conclusive taxonomic rearrangement can be envisaged. Epitypes were designated for several important species in which living cultures and molecular data are available, in order to stabilise the taxonomy of the Xylariales.

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Section: Introductionmentioning

confidence: 99%

Resurrection and emendation of the Hypoxylaceae, recognised from a multigene phylogeny of the Xylariales

et al. 2017

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“…According to the records (i.e. Whalley & Thienhirun 1996, Whalley et al 1998, Daranagama et al 2014 it is evident that Rhopalostroma species distribution is limited to Northern region within Thailand. Rhopalostroma brevistipitatum is another example of this.…”

Section: Discussionmentioning

confidence: 99%

“…& Whalley (Hawksworth & Whalley 1985) and R. hawksworthii Vaidya et al (Vaidya et al 1991) were grown in culture and produced nodulisporium-like asexual morphs. Stadler et al (2010) and Daranagama et al (2014) have described nodulisporium-like asexual morphs in culture from R. angolense and R. lekae Whalley et al The phylogenetic affinities of Rhopalostroma were shown by Stadler et al (2004Stadler et al ( , 2010 and Daranagama et al (2014). In this study we introduce a new species of Rhopalostroma from Northern Thailand.…”

Section: Introductionmentioning

confidence: 86%

“…R. brevistipitatum differs from other species in the genus by having a short, but stout stipe, as well as asci with J+ apical apparatus which has not been reported in the genus before. The asexual morph was identified as nodulisporium-like which is characteristic of the genus (Hawksworth & Whalley 1985, Stadler et al 2010, Daranagama et al 2014.…”

Section: Index Fungorum Number: If 550815; Facesof Fungi Number: Fof0mentioning

confidence: 99%

“…Asci are reported to be evanescent in the majority of the species, but when present the asci are inamyloid (Hawksworth 1977, Hawksworth et al 1979, Whalley & Thienhirun 1996, Whalley et al 1998, Stadler et al 2010, Daranagama et al 2014. Rhopalostroma currently comprises ten species and two varieties (Index Fungorum 2015).…”

Section: Introductionmentioning

confidence: 99%

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Rhopalostroma brevistipitatum sp. nov. from Thailand with an extended generic description for Rhopalostroma

et al. 2015

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Rhopalostroma species were collected from Northern Thailand and subjected to morph-molecular analysis. One species possessed small, clavate stromata, with short and stout stipes, asci with an amyloid apical apparatus and ellipsoidal, dark ascospores with germ slits. Morphology and combined phylogenetic analysis of ITS, LSU, β-tubulin and RPB2 sequence data, showed it to be a new Rhopalostroma species introduced herein as R. brevistipitatum. A nodulisporium-like asexual morph was produced in culture. A morphological description and photographs of R. brevistipitatum are provided in this paper, with amendments to the generic description.

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Two new species of the genus Collodiscula (Xylariaceae) from China

Kang

Hyde

2015

Mycol Progress

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Two species similar to Collodiscula were found on bamboo during studies of Xylariaceae in Guizhou Province, China. Phylogenetic analyses of ITS, LSU, RPB2, and β-tubulin loci sequences data indicated that the two taxa are closely related to Collodiscula japonica, the generic type. The new species are introduced in this paper with micrographs and descriptions and compared with C. japonica. Collodiscula leigongshanensis sp. nov., differs from C. japonica by its large (28-35×8-10.5 μm), 3-septate, dark brown ascospores, with slimy sheaths at the ends. Collodiscula fangjingshanensis sp. nov. is unique in its 3-septate, light brown ascospores (19-25.5 × 4.5-6 μm), with a slimy sheath covering the whole spore. The asexual morph of C. fangjingshanensis was also formed adjacent to the sexual morph on the host.

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A multiple gene genealogy reveals phylogenetic placement of Rhopalostroma lekae

Cited by 13 publications

References 40 publications

Resurrection and emendation of the Hypoxylaceae, recognised from a multigene phylogeny of the Xylariales

Resurrection and emendation of the Hypoxylaceae, recognised from a multigene phylogeny of the Xylariales

Rhopalostroma brevistipitatum sp. nov. from Thailand with an extended generic description for Rhopalostroma

Two new species of the genus Collodiscula (Xylariaceae) from China

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