Baiting of rhizosphere bacteria with hyphae of common soil fungi reveals a diverse group of potentially mycophagous secondary consumers

Rudnick, M.B.; Veen, Johannes A. van; Boer, Wietse de

doi:10.1016/j.soilbio.2015.04.015

Cited by 57 publications

(54 citation statements)

References 55 publications

(6 reference statements)

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“…Fungal hyphae penetrate further into the soil matrix, thereby creating a habitat for specialist mycophagous feeders, probably boosting overall rhizosphere biodiversity. Rudnick et al (2015) found saprotrophic fungal hyphae to be colonized by a diverse community of other bacterial taxa without the ability to feed on fungal tissue. The role of those taxa still has to be elucidated but it seems probable that they either indirectly feed on carbon that has been released by mycophagous bacteria or that they are part of a multispecies biofilm, metabolizing by-products of the fungus feeders.…”

Section: Implications and Perspectivesmentioning

confidence: 99%

“…Feeding on fungus derived nutrients could either be passive (depending on compounds exuded by the fungus) or active (getting access to energy resources present inside living hyphae). Research on rhizosphere bacteria that colonize hyphae of saprotrophic fungi has focused on active feeding (Rudnick et al, 2015), a strategy of nutrient acquisition that is called "mycophagy" (Leveau and Preston, 2008). Active feeding on living fungal hyphae has been well investigated for the bacterial genus Collimonas.…”

Section: Introductionmentioning

confidence: 99%

“…Rudnick et al (2015) observed a taxonomically widespread occurrence of rhizosphere bacteria with the ability to feed on living saprotrophic and pathogenic fungi. Fungal remainders, mostly comprised of cell wall material, can also be a food source for bacteria.…”

Section: Introductionmentioning

confidence: 99%

“…However, colonization of this habitat seems to be preferred by bacteria possessing more complex enzyme machinery (Bai et al, 2016). Yet, "carcass-feeders" and mycophagous bacteria might share the same habitat since metabolically overlapping bacterial genera were present on living fungal hyphae as well as on decaying fungal fruiting bodies (Brabcov a et al, 2016;Rudnick et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

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The sapro-rhizosphere: Carbon flow from saprotrophic fungi into fungus-feeding bacteria

Ballhausen

Boer

2016

Soil Biology and Biochemistry

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Section: Implications and Perspectivesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The sapro-rhizosphere: Carbon flow from saprotrophic fungi into fungus-feeding bacteria

Ballhausen

Boer

2016

Soil Biology and Biochemistry

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“…Mycophageous activity of Collimonas pratensis against F. culmorum was confirmed by direct interaction assay on nutrient-poor agar. Also for some strains of the genus Dyella an association to fungal hyphae and a potential mycophageous lifestyle was reported Rudnick et al 2015). Moreover, up-regulation of genes related to phospholipase C, Type VI secretion system and beta-lactamase by Collimonas pratensis as well as Dyella sp.…”

Section: Discussionmentioning

confidence: 97%

The ecological role of volatile mediated interactions belowground

Schulz-Bohm

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Differentiations of determinants for the community compositions of bacteria, fungi, and nitrogen fixers in various steppes

Sheng

Zhang

et al. 2019

Ecology and Evolution

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Different types of steppes could provide heterogeneous habitat environments for underground microorganisms, but much less is known about how soil microbes fit the distinct habitats and what are the underlying mechanisms in shaping their community patterns. We simultaneously examined the community compositions and structures of soil bacteria, fungi, and diazotrophs across desert, typical, and meadow steppes in Inner Mongolia using high‐throughput sequencing. The results showed that soil bacteria, fungi, and diazotrophs exhibited different distribution patterns across steppe types. Although different steppes displayed obvious differences in climate conditions, plant traits, and soil properties, most of bacterial species were shared by all the steppes while only a few species were unique, indicating that the soil bacterial compositions were hardly influenced by the steppe types. Nevertheless, the habitat heterogeneity could cause shifts in the relative abundance of some bacterial groups, which resulted in significant changes in the community structure of soil bacteria across steppes. However, the fungal community compositions and structures were similar in typical and meadow steppes but that in desert steppe were significantly different. Whereas, the community compositions and structures of diazotrophs were strongly related to the steppe types. In this study, the similar parent material backgrounds of the steppe soils might be the important factor in shaping the homologous bacterial compositions. However, the variations in soil fertility, soil water repellency, and plant species across steppes would be the major driving forces in regulating the compositions and structures of fungal communities, while the diazotrophic communities would be more closely related to the changes in plant traits and soil fertility among steppes. Our results provided evidence of habitat specificity for different microbial groups and their underlying drivers.

show abstract

Baiting of rhizosphere bacteria with hyphae of common soil fungi reveals a diverse group of potentially mycophagous secondary consumers

Cited by 57 publications

References 55 publications

The sapro-rhizosphere: Carbon flow from saprotrophic fungi into fungus-feeding bacteria

The sapro-rhizosphere: Carbon flow from saprotrophic fungi into fungus-feeding bacteria

The ecological role of volatile mediated interactions belowground

Differentiations of determinants for the community compositions of bacteria, fungi, and nitrogen fixers in various steppes

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