A new species of Cosmospora and the first record of sexual state of C. lavitskiae

Zeng, Zhao-Qing; Zhuang, Wen-Ying

doi:10.1007/s11557-016-1201-0

Cited by 8 publications

(2 citation statements)

References 19 publications

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“…They accepted eight species in Cosmospora. Subsequently 12 species were introduced to the genus; currently, 20 species are accepted in the genus (Gräfenhan et al 2011;Herrera et al 2015;Zeng and Zhuang et al 2016;Luo et al 2019;Lechat et al 2021).…”

Section: Cosmospora Rabenhmentioning

confidence: 99%

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Taxonomy, phylogeny and evolution of freshwater Hypocreomycetidae (Sordariomycetes)

Bao

Hyde

Maharachchikumbura

et al. 2023

Preprint

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Hypocreomycetidae is a highly diverse group with species from various habitats. This subclass has been reported as pathogenic, endophytic, parasitic, saprobic, fungicolous, lichenicolous, algicolous, coprophilous and insect fungi from aquatic and terrestrial habitats. In this study, we focused on freshwater fungi of Hypocreomycetidae which resulted 41 fresh collections from China and Thailand. Based on morphological and phylogenetic analyses, we identified 26 species that belong to two orders (Hypocreales and Microascales) and six families (Bionectriaceae, Halosphaeriaceae, Microascaceae, Nectriaceae, Sarocladiaceae and Stachybotryaceae). Ten new species and 13 new habitats and geographic records are introduced. Mariannaea superimposita, Stachybotrys chartarum and S. chlorohalonatus are recollected from freshwater habitats in China. Based on phylogenetic analysis of combined LSU, ITS, SSU, rpb2 and tef1-α sequences data, Emericellopsis is transferred to Hypocreales genera incertae sedis; Pseudoacremonium is transferred to Bionectriaceae; Sedecimiella is placed in Nectriaceae; Nautosphaeria and Tubakiella are excluded from Halosphaeriaceae and placed in Microascales genera incertae sedis; and Faurelina is excluded from Hypocreomycetidae. Varicosporella is placed under Atractium as a synonym of Atractium instead of Varicosporella. In addition, phylogenetic analysis and divergence time estimates showed that Ascocodina, Campylospora, Cornuvesica and Xenodactylariaceae form distinct lineages in Hypocreomycetidae and they evolved in the family/order time frame. Hence, a new order (Xenodactylariales) and three new families (Ascocodinaceae, Campylosporaceae, and Cornuvesicaceae) are introduced based on phylogenetic analysis, divergence time estimations and morphological characters. Ancestral character state analysis is performed for different habitats of Hypocreomycetidae including freshwater, marine and terrestrial taxa. The result indicates that marine and freshwater fungi evolved independently from terrestrial ancestors. The results further support those early diverging clades of this subclass, mostly comprising terrestrial taxa and freshwater and marine taxa have been secondarily derived, while the crown clade (Nectriaceae) is represented in all three habitats. The evolution of various morphological adaptations towards their habitual changes are also been discussed.

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Section: Cosmospora Rabenhmentioning

confidence: 99%

“…ellipsoidal, oblong, clavate or allantoid and aseptate conidia (Gräfenhan et al 2011;Herrera et al 2015;Zeng and Zhuang et al 2016). This study introduces a new species Cosmospora cylindricospora based on phylogenetic and morphological analyses.…”

Section: Cosmospora Rabenhmentioning

confidence: 99%

Taxonomy, phylogeny and evolution of freshwater Hypocreomycetidae (Sordariomycetes)

Bao

Hyde

Maharachchikumbura

et al. 2023

Preprint

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Phylogenetic assessment and taxonomic revision of Mariannaea

Wang

Cai

2016

Mycol Progress

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Fungi associated with stem collar necroses of Fraxinus excelsior affected by ash dieback

et al. 2023

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In recent decades the vitality and physical stability of European ash trees in Germany have been reduced by European ash dieback, especially when associated with stem collar necroses and rots. This study was carried out to investigate the composition of the fungal communities associated with stem collar necroses. Filamentous fungi were isolated from 58 ash trees out of nine forest stands in northern, eastern, and central Germany. Obtained isolates were identified to a genus or species level by means of morphological and molecular analyses. In total 162 morphotypes including endophytic, saprotrophic, and pathogenic fungi were isolated. For 33 species found no prior reports from Fraxinus excelsior were recognised, including Cryptostroma corticale and Diplodia sapinea. None of the identified species were found at all studied sites, though Diplodia fraxini was the most common fungus with regard to frequency within all isolates, occurring at seven sample sites. This species is followed by Hymenoscyphus fraxineus, Armillaria spp., Neonectria punicea, Diaporthe cf. eres, Fusarium cf. lateritium, and Paracucurbitaria sp. in order of frequency within all isolates. The aforementioned species are characterised and analysed in respect to their occurrence in stem collar necroses and at sample sites. The influence of site conditions on the fungal composition was described for five intensively sampled sites with a minimum of five studied trees (Schwansee, Rhüden, Berggießhübel, Satrup, and Schlangen). The sampling site of Schlangen was further subdivided into four subplots with different positions in the terrain. In the remaining four extensive sample sites, either one or two trees, respectively, were sampled and analysed (Oranienbaumer Heide, Woltershausen, Wolfenbüttel, and Neuhege). Over all sample sites, fungal communities of symptomatic stem tissue are similar concerning the most frequent fungi, but vary greatly according to singularly isolated fungi.

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A new species of Cosmospora and the first record of sexual state of C. lavitskiae

Cited by 8 publications

References 19 publications

Taxonomy, phylogeny and evolution of freshwater Hypocreomycetidae (Sordariomycetes)

Taxonomy, phylogeny and evolution of freshwater Hypocreomycetidae (Sordariomycetes)

Phylogenetic assessment and taxonomic revision of Mariannaea

Fungi associated with stem collar necroses of Fraxinus excelsior affected by ash dieback

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