Novel black yeast-like species in chaetothyriales with ant-associated life styles

Quan Y 1 , Ahmed SA 2 , Menezes da Silva N 3 , Al-Hatmi AMS 4 , Mayer VE 5 , Deng S 6 Show all authors , Kang Y 7 , Sybren de Hoog G 8 , Shi D 9

Affiliations 

  • 1 Center of Expertise in Mycology of Radboud University Medical Center / Canisius Wilhelmina Hospital, Nijmegen, the Netherlands; Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education of Guizhou & Guizhou Talent Base for Microbiology and Human Health, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China; College of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang, China
  • 2 Center of Expertise in Mycology of Radboud University Medical Center / Canisius Wilhelmina Hospital, Nijmegen, the Netherlands; Faculty of Medical Laboratory Sciences, University of Khartoum, Khartoum, Sudan
  • 3 Engineering Bioprocess and Biotechnology Post-Graduation Program, Department of Bioprocess Engineering and Biotechnology, Federal University of Parana, Curitiba, Brazil
  • 4 Center of Expertise in Mycology of Radboud University Medical Center / Canisius Wilhelmina Hospital, Nijmegen, the Netherlands; Ministry of Health, Directorate General of Health Services, Ibri, Oman
  • 5 Division of Structural and Functional Botany, Department of Botany and Biodiversity Research, University of Vienna, Wien, Austria
  • 6 Department of Medical Microbiology, People's Hospital of Suzhou National New & Hi-Tech Industrial Development Zone, Jiangsu, China
  • 7 Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education of Guizhou & Guizhou Talent Base for Microbiology and Human Health, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China
  • 8 Center of Expertise in Mycology of Radboud University Medical Center / Canisius Wilhelmina Hospital, Nijmegen, the Netherlands; Faculty of Medical Laboratory Sciences, University of Khartoum, Khartoum, Sudan. Electronic address: Sybren.dehoog@radboudumc.nl
  • 9 Department of Dermatology & Laboratory of Medical Mycology, Jining No. 1 People's Hospital, Shandong, China. Electronic address: shidongmei28@163.com
Fungal Biol, 2021 Apr;125(4):276-284.
PMID: 33766306 DOI: 10.1016/j.funbio.2020.11.006

Abstract

Among ancestral fungi in Chaetothyriales, several groups have a life style in association with tropical ants, either in domatia or in carton-nests. In the present study, two strains collected from ant carton in Thailand and Malaysia were found to represent hitherto undescribed species. Morphological, physiological, phylogenetic data and basic genome information are provided for their classification. Because of the relatively large phylogenetic distances with known species confirmed by overall genome data, large subunit (LSU) and Internal Transcribed Spacer (ITS) ribosomal DNA sequences were sufficient for taxonomic circumscription of the species. The analyzed strains clustered with high statistical support as a clade in the family Trichomeriaceae. Morphologically they were rather similar, lacking sporulation in vitro. In conclusion, Incumbomyces delicatus and Incumbomyces lentus were described as new species based on morphological, physiological and phylogenetic analysis.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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