Where are they hiding? Testing the body snatchers hypothesis in pyrophilous fungi

Daniel B. Raudabaugh, P. Brandon Matheny, Karen W. Hughes, Teresa Iturriaga, Malcolm Sargent, Andrew N. Miller

Research output: Contribution to journalArticle

Abstract

Pyrophilous fungi produce sporocarps after a fire but little is known about their ecology prior to or after a fire event. Recently, the body snatchers hypothesis was proposed that suggests some post-fire fungi form endophytic and/or endolichenic relationships with plants and lichens. To test the body snatchers hypothesis, bryophyte, lichen, club moss, and soil samples were collected from unburned and mixed-intensity burned areas 1–2 y after a 2016 wildfire in the Great Smoky Mountains National Park, and from unburned areas in four states outside the park. Samples were examined for the presence of pyrophilous fungi occurring as endophytes or in lichens using culture-dependent and culture-independent techniques. Culture-dependent methods isolated Pholiota highlandensis, a known pyrophilous fungus, from five bryophyte samples. Culture-independent methods identified 22 pyrophilous taxa from bryophyte, club moss, lichen, and soil samples across a range of geographical localities. The ‘body snatchers’ hypothesis is supported since many bryophyte, lichen, and club moss samples contained pyrophilous taxa suggesting that these fungi occur as endophytes and/or endolichenic fungi until a fire event triggers them to produce sporocarps.

Original languageEnglish (US)
Article number100870
JournalFungal Ecology
Volume43
DOIs
StatePublished - Feb 2020

Fingerprint

Lycopodiopsida
lichen
lichens
fungus
bryophyte
fungi
moss
endophyte
testing
fruiting bodies
endophytes
Pholiota
soil sampling
Great Smoky Mountain region
wildfires
wildfire
sampling
national parks
national park
soil

Keywords

  • Bryophytes
  • Club mosses
  • Fire ecology
  • Lichens
  • Life cycle
  • Next-generation sequencing

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Ecological Modeling
  • Plant Science

Cite this

Where are they hiding? Testing the body snatchers hypothesis in pyrophilous fungi. / Raudabaugh, Daniel B.; Matheny, P. Brandon; Hughes, Karen W.; Iturriaga, Teresa; Sargent, Malcolm; Miller, Andrew N.

In: Fungal Ecology, Vol. 43, 100870, 02.2020.

Research output: Contribution to journalArticle

Raudabaugh, Daniel B. ; Matheny, P. Brandon ; Hughes, Karen W. ; Iturriaga, Teresa ; Sargent, Malcolm ; Miller, Andrew N. / Where are they hiding? Testing the body snatchers hypothesis in pyrophilous fungi. In: Fungal Ecology. 2020 ; Vol. 43.
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