4.4 Article

Diversity and host recurrence of fungi associated with the bleached leaf litter in a subtropical forest

期刊

FUNGAL ECOLOGY
卷 54, 期 -, 页码 -

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.funeco.2021.101113

关键词

Coccomyces; Gymnopus; Interaction network; Leaves; Ligninolytic fungi; Lophodermium; Marasmius; Mycena; Xylaria

资金

  1. Ministry of Education, Culture, Sports, Science, and Technology of Japan [15K07480, 18K05731]
  2. Sumitomo Foundation [16-060297]
  3. Nissan Global Foundation [2007-1]
  4. Nippon Life Inst. Foundation [H23-03]
  5. NIAS Genebank (H20)
  6. Grants-in-Aid for Scientific Research [18K05731, 15K07480] Funding Source: KAKEN

向作者/读者索取更多资源

Fungi selectively removing lignin from leaf litter accelerate decomposition and bleaching, with different fungal families showing varying degrees of host recurrence for plant species, indicating their different roles in litter decomposition.
Fungi that selectively remove lignin cause extensive bleaching of leaf litter, which results in the acceleration of litter decomposition. The taxonomic diversity and host recurrence of saprotrophic fungi associated with bleached leaf litter were investigated in a subtropical forest in southern Japan. A total of 211 fungal isolates and sporocarps were obtained from bleached portions of leaf litter of 33 plant species in 18 families and were classified into 83 operational taxonomic units (OTUs) at the 97% similarity level of the ITS rDNA sequence. These fungal OTUs belonged to Rhytismataceae and Xylariaceae in the Ascomycota, and Marasmiaceae, Mycenaceae, Lachnocladiaceae, and Physalacriaceae in the Basidiomycota. OTUs in Rhytismataceae and Marasmiaceae showed a significantly higher degree of recurrence for plant species than simulated networks where partners were associated randomly. In contrast, OTUs in Xylariaceae and Mycenaceae showed no significant recurrence for plant species. Such differing degrees of recurrence for plant species implied different roles of fungal families in leaf litter decomposition.

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