Abstract
A new poroid fungus in the family Steccherinaceae, Antella tibetica sp. nov., is described from southwest China based on morphology, and phylogenetic analysis. The species was found in the Tibet Autonomous Region of southwest China, growing on angiosperm wood of a low decay stage. It is characterized by an annual growth habit, resupinate basidiocarps with buff yellow to yellowish brown pores, 0.5–1.5 per mm, a dimitic hyphal system composed of clamped generative hyphae and subicular skeletal hyphae encrusted with fine crystals, abundant gloeocystidia that are variable in shape, and oblong-ellipsoid basidiospores. The phylogenetic analysis based on ITS + nLSU rDNA sequences shows that A. tibetica nests in Antella, forming a monophyletic lineage with strong support (100 % BS, 100 % BP, 1.00 BPP). The differences between A. tibetica and other members of the genus are discussed. A key to accepted species of Antella is provided.
References
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<p>Felsenstein, J. (1985) Confidence intervals on phylogenetics: an approach using bootstrap. <em>Evolution</em> 39: 783–791. https://doi.org/10.2307/2408678</p>
<p>Fiasson, J.L. & Niemelä, T. (1984) The Hymenochaetales: a revision of the European poroid taxa. <em>Karstenia</em> 24: 14–28. https://doi.org/10.29203/ka.1984.224</p>
<p>Gilbertson, R.L. & Ryvarden, L. (1986) North American polypores 1.<em> Abortiporus</em> – <em>Lindtneria</em>. Oslo. pp 1–433.</p>
<p>Hall, T.A. (1999) Bioedit: A user-friendly biological sequence alignment editor and analysis program for Windows 95/98/NT. <em>Nucleic Acids Symposium Series</em> 41: 95–98.</p>
<p>Katoh, K. & Toh, H. (2008) Recent developments in the MAFFT multiple sequence alignment program. <em>Briefings in bioinformatics </em>9: 286–298. https://doi.org/10.1093/bib/bbn013</p>
<p>Kout, J., Vlasák, J. & Spirin, V. (2014) Contribution to the <em>Antrodiella americana </em>species complex (Basidiomycota, Polyporales). Czech Mycology 66: 53–60.</p>
<p>Liu, Z.B. & Dai, Y.C. (2021) <em>Steccherinum fragile sp. nov.</em> and <em>S. subcollabens comb. nov. </em>(Steccherinaceae, Polyporales), evidenced by morphological characters and phylogenetic analysis. <em>Phytotaxa</em> 483 (2): 106–116. https://doi.org/10.11646/phytotaxa.483.2.3</p>
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<p>Liu, Z.B., Zhou, M., Yuan, Y. & Dai, Y.C. (2021) Global diversity and taxonomy of <em>Sidera </em>(Hymenochaetales, Basidiomycota): Four new species and keys to species of the genus.<em> Journal of Fungi</em> 7: 251. https://doi.org/10.3390/jof7040251</p>
<p>Maddison, W.P. & Maddison, D.R. (2010) Mesquite: A modular system for evolutionary analysis. <em>Evolution</em> 11 (5).</p>
<p>Miettinen, O., Niemelä, T. & Spirin, W. (2006) Northern <em>Antrodiella</em> species: the identity of <em>A. semisupina</em>, and type studies of related taxa. <em>Mycotaxon</em> 96: 211–239.</p>
<p>Miettinen, O. & Ryvarden, L. (2016) Polypore genera<em> Antella</em>, <em>Austeria</em>, <em>Butyrea</em>, <em>Citripora,</em> <em>Metuloidea </em>and<em> Trulla</em> (Steccherinaceae, Polyporales). <em>Ann. Bot. Fennici </em>53: 157–172.</p>
<p>Miller, M.A., Holder, M.T., Vos, R., Midford, P.E., Liebowitz, T., Chan, L., Hoover, P. & Warnow, T. (2009) The CIPRES Portals. CIPRES. Homepage from: http://www.phylo.org/sub_sections/portal (accessed 4 August 2009) [Archived by WebCite® at: http://www.webcitation.org/5 imQlJeQa)122]</p>
<p>Niemelä, T. (1998) The <em>Skeletocutis subincarnata </em>complex (Basidiomycetes), a revision. <em>Acta Botanica Fennica </em>161: 1–35.</p>
<p>Nylander, J.A.A. (2004) MrModeltest v2. Program distributed by the author. Evolutionary Biology Centre, Uppsala University.</p>
<p>Petersen, J.H. (1996) <em>The Danish Mycological Society´s colour-chart.</em> Foreningen til Svampekundskabens Fremme, Greve. pp. 1–6.</p>
<p>Posada, D. & Crandall, K.A. (1998) Modeltest: testing the model of DNA substitution. <em>Bioinformatics</em> 14: 817–818. https://doi.org/10.1093/bioinformatics/14.9.817</p>
<p>Rambaut, A. (2012) Molecular Evolution, Phylogenetics and Epidemiology. FigTree ver. 1.4 Software. Available at: http://tree.bio.ed.ac.uk/software/figtree/ (accessed 21 April 2022)</p>
<p>Ronquist, F. & Huelsenbeck, J.P. (2003) Mrbayes 3: Bayesian phylogenetic inference under mixed models. <em>Bioinformatics</em> 19: 1572–1574. https://doi.org/10.1093/bioinformatics/btg180</p>
<p>Ryvarden, L. & Gilbertson, R.L. (1993) European polypores. Part 1. <em>Synopsis Fungorum</em> 6: 1–387.</p>
<p>Ryvarden, L. & Melo, I. (2017) Poroid fungi of Europe 2<sup>nd</sup> Edition. <em>Synopsis Fungorum</em> 37: 1–430.</p>
<p>Swofford, D.L. (2002) PAUP*: Phylogenetic analysis using parsimony (*and other methods). Version 4.0b10. Sinauer Associates, Massachusetts.</p>
<p>Vampola, P. & Vlasák, J. (2011) Antrodiella niemelaei, a new polypore species related to Antrodiella americana. <em>Czech Mycology</em> 63: 195–201.</p>
<p>White, T.J., Bruns, T., Lee, S. & Taylor, J. (1990) Amplification and direct sequencing of fungal ribosomal RNA genes for phylogenetics.<em> In: </em>Innis, M.A., Gelfand, D.H., Sninsky, J.J. & White, T.J. (Eds.) <em>PCR protocols, a guide to methods and applications</em>. Academic Press, New York. pp. 315–322. https://doi.org/10.1038/srep34568</p>
<p>Yuan, H.S. (2013) <em>Antrodiella chinensis</em> sp. nov., a Chinese representative of the <em>Antrodiella americana </em>complex. <em>Mycological Progress</em> 12: 437–443.</p>