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Phylogeny of Graphostromatacea with two new species (Biscogniauxia glaucae sp. nov. and Graphostroma guizhouensis sp. nov.) and new record of Camillea broomeana isolated in China

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Abstract

In the process of studying the diversity of Xylariales in China, three species owning characteristics of Graphostromataceae were observed in China. Morphology of the described species with illustrations and their phylogeny based on regions of internal transcribed spacers (ITS), the second-largest subunit of the RNA polymerase II (RPB2), β-tubulin (TUB2) and α-actin (ACT) are provided. Two new species and one new record from China are identified. Morphologically, Biscogniauxia glaucae sp. nov. differs from B. atropunctata var. maritima, B. citriformis var. macrospora, B. fuscella and B. mediterranea by its stromata with raised margins, clear outlines, punctate ostioles openings and ascospores which are equilateral with broadly rounded ends, a straight spore-length germ slit on the more concave side, lacking appendages and sheathes. Graphostroma guizhouensis is identified as a new species based on the multi-gene phylogenetic tree. Camillea broomeana with scanning electron microscope description of ascospores is illustrated as a new record from China. Cryptostroma is proposed in Graphostromataceae based on molecular data. Vivantia is accepted in Graphostromataceae based on its morphological characteristics and Nodulisporiurn anamorphs which are similar to those of Biscogniauxia.

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Acknowledgements

This research was supported by the National Natural Science Foundation of China (31960005 and 32000009); the Fund of the Science and Technology Foundation of Guizhou Province ([2020]1Y059); Guizhou Province Ordinary Colleges and Universities Youth Science and Technology Talent Growth Project [2021]154; the Fund of Special Project of Academic New Seedling Cultivation and Innovation Exploration in Guizhou Medical University [2018]5779-64; International Science and Technology Cooperation Base of Guizhou Province ([2020]4101); Guizhou Scientific Plan Project ([2020]4Y220); the Open Fund Program of Engineering Research Center of Southwest Bio-Pharmaceutical Resources, Ministry of Education, Guizhou University No. GZUKEY201606.

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Correspondence to Jichuan Kang.

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Communicated by Erko Stackebrandt.

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Li, Q., Gong, X., Zhang, X. et al. Phylogeny of Graphostromatacea with two new species (Biscogniauxia glaucae sp. nov. and Graphostroma guizhouensis sp. nov.) and new record of Camillea broomeana isolated in China. Arch Microbiol 203, 6119–6129 (2021). https://doi.org/10.1007/s00203-021-02574-2

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  • DOI: https://doi.org/10.1007/s00203-021-02574-2

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