| Abstract Detail
Ecological Consequences and Mechanisms of Fungal-Fungal Interactions Boddy, Lynne [1]. Fungal Wars: a primer of interspecific fungal interactions. Many factors influence fungal community structure and dynamics, the main driver often being aggressive mycelial interactions. There are several ways in which fungi ‘attack’ and ‘defend’ the territory that they occupy: (1) antagonism at a distance; (2) hyphal interference and mycoparasitism; and (3) gross mycelial interaction. Fungi employ enzymes, volatile organic compounds (VOCs) and diffusible organic compounds (DOCs). The overall outcome of interactions can be deadlock – where neither combatant makes any headway, replacement – where one fungus takes the territory of another, and also partial and mutual replacement. These outcomes vary between species combinations and fungal strains, and are altered by temperature, gaseous regime, water potential, quality of the resource occupied, where the interaction is occurring, presence of other fungi and grazing activity by invertebrates. During interactions there are changes in gene expression, enzyme production, VOC and DOC production, and metabolic rate. Mycelial interactions can alter nutrient movement and allocation within opposing mycelia and alter carbon allocation from plants to fungi in mycorrhizal relationships.
Fungal community structure and dynamics in wood has received most attention. This talk will concentrate on mycelial interactions between wood decay fungi, how these interactions drive fungal community changes in wood, and the effects of these interactions on wood decay rate
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1 - Cardiff University, Biological Sciences, Sir Martin Evans Building, Museum Avenue, Cardiff, Wales, CF10 3AX, UK
Keywords:
basidiomycetes
antagonism
volatiles
wood decay.
Presentation Type: Symposium or Colloquium Presentation
Session: SY4
Location: Auditorium/Kellogg Hotel and Conference Center
Date: Tuesday, June 10th, 2014
Time: 1:30 PM
Number: SY4002
Abstract ID:50
Candidate for Awards:None |
