Catch me if you can: dispersal and foraging of Bdellovibrio bacteriovorus 109J along mycelia

The ISME Journal
Sally OttoLukas Y Wick

Abstract

To cope with heterogeneous environments and resource distributions, filamentous fungi have evolved a spatially extensive growth enabling their hyphae to penetrate air-water interfaces and pass through air-filled pores. Such mycelia are also known to act as dispersal networks for the mobilisation of bacteria ('fungal highways') and connection of microbial microhabitats. Hitherto, however, nothing is known about the effect of mycelia-based dispersal on interactions between bacterial predators and their prey and concomitant effects on biomass formation. We here hypothesise that mycelia enable the contact between predators and their prey and shape a prey's population. We investigated the impact of predation by Bdellovibrio bacteriovorus 109J on the growth of its potential prey Pseudomonas fluorescens LP6a in the presence of mycelia. Our data give evidence that hyphae increase the accessibility of the prey to B. bacteriovorus 109J and, hence, allow for efficient foraging and shaping of prey populations not seen in the absence of mycelia. To test our hypothesis tailored microbial landscapes were used for better reduction of emerging properties in complex systems. Our data suggest that mycelia have substantial influence on prey-predat...Continue Reading

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Citations

Dec 5, 2016·FEMS Microbiology Ecology·Sally OttoLukas Y Wick
Feb 23, 2018·FEMS Microbiology Reviews·Aurélie DeveauLukas Y Wick
Jan 25, 2020·The ISME Journal·Wei ZhangChuan-Chao Dai
Mar 28, 2020·Mycorrhiza·Candido Barreto de NovaisSergio Miana de Faria
May 23, 2018·FEMS Microbiology Ecology·Cora Miquel GuennocAurélie Deveau
Oct 10, 2020·Computational and Structural Biotechnology Journal·Juana PérezJosé Muñoz-Dorado

Related Concepts

Bdellovibrio bacteriovorus
Filamentous fungus
Pseudomonas fluorescens
Biomass
Mycelium
Competitive Behavior, Microbial
Environment
Pseudomonas fluorescens
Reptiles
Bdellovibrio bacteriovorus

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