Mycobiology

The Korean Society of Mycology (한국균학회)
권호 표지
DOI QR코드

DOI QR Code

Kretzschmaria quercicola sp. nov., an Undescribed Fungus from Living Oak in Mt. Daeryong, Korea

  • Yun, Ji Ho (Tree Pathology and Mycology Laboratory, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Jo, Jong Won (Tree Pathology and Mycology Laboratory, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Lee, Jin Heung (Tree Pathology and Mycology Laboratory, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Han, Sang Kuk (Forest Biodiversity Division, Korea National Arboretum) ;
  • Kim, Dae Ho (Tree Pathology and Mycology Laboratory, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Lee, Jong Kyu (Tree Pathology and Mycology Laboratory, College of Forest and Environmental Sciences, Kangwon National University)
  • Received : 2016.06.01
  • Accepted : 2016.06.13
  • Published : 2016.06.30
Download PDF
⟨ Previous Next ⟩

Abstract

We encountered an unfamiliar ascomycete fruiting body, fitting characteristics of the genus Kretzschmaria, which features in a stipitate ascigerous stroma with carbonaceous interior and disintegrating perithecia. In this study, we report and characterize a new species of the decaying fungus. Compared to other species, one of the notable features of this specimen (TPML150908-046) is its stromatal size (up to 15 cm). Although TPML150908-046 is morphologically similar to K. milleri and K. sandvicensis, it differs sharply from both species in apical ring size (TPML150908-046, $6.5{\sim}10.5{\mu}m$; K. milleri, $11{\sim}16{\mu}m$) and ascospore width (TPML150908-046, $10.5{\sim}17{\mu}m$; K. sandvicensis, $8.5~11.5{\mu}m$). Phylogenetic trees based on ${\beta}$-tubulin, ITS, and RPB2 sequences showed that our collection clustered with K. sandvicensis, with the respective similarities for these sequences being 95.6%, 91.3%, and 97.7%, signifying it as another species. With these results, we report it as a new species, which we call Kretzschmaria quercicola sp. nov.

Keywords

References

  1. Rogers JD, Ju YM. The genus Kretzschmaria. Mycotaxon 1998;68:345-93.
  2. Boddy L. Fungal community ecology and wood decomposition processes in angiosperms: from standing tree to complete decay of coarse woody debris. Ecol Bull 2001;49:43-56.
  3. White NA. The importance of wood-decay fungi in forest ecosystems. In: Arora DK, editor. Fungal biotechnology in agriculture, food and environmental applications. New York: Marcel Dekker; 2003. p. 375-92.
  4. Pelaez F, Gonzalez V, Platas G, Sanchez-Ballesteros J, Rubio V. Molecular phylogenetic studies within the Xylariaceae based on ribosomal DNA sequences. Fungal Divers 2008;31:111-34.
  5. Tang AM, Jeewon R, Hyde KD. A re-evaluation of the evolutionary relationships within the Xylariaceae based on ribosomal and protein-coding gene sequences. Fungal Divers 2009;34:127-55.
  6. Rogers JD, Ju YM. Kretzschmaria varians sp. nov., Xylaria coremiifera sp. nov. and Xylaria umbonata sp. nov. from Costa Rica. Mycol Prog 2004;3:37-40. https://doi.org/10.1007/s11557-006-0074-z
  7. Mugambi GK, Huhndorf SM, Rogers JD. Two new xylariaceous species from Kenya. Mycotaxon 2009;108:499-504. https://doi.org/10.5248/108.499
  8. Recio Herrera GM, Maldonado Gonzalez SG. A revision of the genus Kretzschmaria (Ascomycota, Xylariaceae) in Cuba. Willdenowia 2014;44:57-64. https://doi.org/10.3372/wi.44.44109
  9. O'Donnell K, Cigelnik E. Two divergent intragenomic rDNA ITS2 types within a monophyletic lineage of the fungus Fusarium are nonorthologous. Mol Phylogenet Evol 1997;7:103-16. https://doi.org/10.1006/mpev.1996.0376
  10. White TJ, Bruns T, Lee S, Taylor J. Amplification and direct sequencing of fungal ribosomal RNA genes for phylogenetics. In: Innis MA, Gelfand DH, Sninsky JJ, White TJ, editors. PCR protocols: a guide to methods and applications. San Diego (CA): Academic Press; 1990. p. 315-22.
  11. Liu YJ, Whelen S, Hall BD. Phylogenetic relationships among ascomycetes: evidence from an RNA polymerse II subunit. Mol Biol Evol 1999;16:1799-808. https://doi.org/10.1093/oxfordjournals.molbev.a026092
  12. Hsieh HM, Lin CR, Fang MJ, Rogers JD, Fournier J, Lechat C, Ju YM. Phylogenetic status of Xylaria subgenus Pseudoxylaria among taxa of the subfamily Xylarioideae (Xylariaceae) and phylogeny of the taxa involved in the subfamily. Mol Phylogenet Evol 2010;54:957-69. https://doi.org/10.1016/j.ympev.2009.12.015
  13. Kim DH, Kim SH, Kwon SW, Lee JK, Hong SB. Aspergillus cumulatus sp. nov., from rice straw and air for Meju fermentation. J Microbiol Biotechnol 2014;24:334-6. https://doi.org/10.4014/jmb.1312.12006