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As the worm turns : the earthworm gut as a transient habitat for soil microbial biomes

Title data

Drake, Harold L. ; Horn, Marcus A.:
As the worm turns : the earthworm gut as a transient habitat for soil microbial biomes.
In: Annual Review of Microbiology. Vol. 61 (2007) Issue 1 . - pp. 169-189.
ISSN 1545-3251
DOI: https://doi.org/10.1146/annurev.micro.61.080706.093139

Abstract in another language

The gut of the earthworm constitutes a mobile anoxic microzone to which the microorganisms of aerated soils are subjected. During gut passage, the in situ factors of the earthworm gut, which include anoxia and high concentrations of organic substrates, appear to greatly stimulate a subset of ingested soil microorganisms, including denitrifying and fermentative bacteria. The selective stimulation of ingested soil microbes by the unique microconditions of the earthworm gut (a) results in the in vivo emission of denitrificationderived dinitrogen (N2) and the greenhouse gas nitrous oxide (N2O) by the earthworm, and (b) might affect the fitness, culturability, and diversity of certain members of soil microbial biomes. These observations illustrate the impact that soil macrofauna might have on terrestrial nitrogen cycle processes via their transient hosting of ingested prokaryotes.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER43030
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Ecological Microbiology
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 29 Jul 2015 05:53
Last Modified: 29 Jul 2015 05:53
URI: https://eref.uni-bayreuth.de/id/eprint/17393