Journal
JOURNAL OF APPLIED MICROBIOLOGY
Volume 129, Issue 2, Pages 199-211Publisher
OXFORD UNIV PRESS
DOI: 10.1111/jam.14609
Keywords
arbuscular mycorrhizal fungi; beneficial tripartite interactions; biofilms; fungal-bacterial biofilms; microbiome
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Funding
- Deakin University, Australia
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Soil environments are dynamic and the plant rhizosphere harbours a phenomenal diversity of micro-organisms which exchange signals and beneficial nutrients. Bipartite beneficial or symbiotic interactions with host roots, such as mycorrhizae and various bacteria, are relatively well characterized. In addition, a tripartite interaction also exists between plant roots, arbuscular mycorrhizal fungi (AMF) and associated bacteria. Bacterial biofilms exist as a sheet of bacterial cells in association with AMF structures, embedded within a self-produced exopolysaccharide matrix. Such biofilms may play important functional roles within these tripartite interactions. However, the details about such interactions in the rhizosphere and their relevant functional relationships have not been elucidated. This review explores the current understanding of naturally occurring microbial biofilms, and their interaction with biotic surfaces, especially AMF. The possible roles played by bacterial biofilms and the potential for their application for a more productive and sustainable agriculture is discussed in this review.
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