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Cited by 375

The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.

Selective progressive response of soil microbial community to wild oat roots

Open access
DeAngelis, Kristen M, Brodie, Eoin L, DeSantis, Todd Z, Andersen, Gary L, Lindow, Steven E, Firestone, Mary K·2009·The ISME Journal

Abstract

Roots moving through soil induce physical and chemical changes that differentiate rhizosphere from bulk soil, and the effects of these changes on soil microorganisms have long been a topic of interest. The use of a high-density 16S rRNA microarray (PhyloChip) for bacterial and archaeal community analysis has allowed definition of the populations that respond to the root within the complex grassland soil community; this research accompanies compositional changes reported earlier, including increases in chitinase- and protease-specific activity, cell numbers and quorum sensing signal. PhyloChip results showed a significant change compared with bulk soil in relative abundance for 7% of the total rhizosphere microbial community (147 of 1917 taxa); the 7% response value was confirmed by16S rRNA terminal restriction fragment length polymorphism analysis. This PhyloChip-defined dynamic subset was comprised of taxa in 17 of the 44 phyla detected in all soil samples. Expected rhizosphere-competent phyla, such as Proteobacteria and Firmicutes, were well represented, as were less-well-documented rhizosphere colonizers including Actinobacteria, Verrucomicrobia and Nitrospira. Richness of Bacteroidetes and Actinobacteria decreased in soil near the root tip compared with bulk soil, but then increased in older root zones. Quantitative PCR revealed rhizosphere abundance of β-Proteobacteria and Actinobacteria at about 108 copies of 16S rRNA genes per g soil, with Nitrospira having about 105 copies per g soil. This report demonstrates that changes in a relatively small subset of the soil microbial community are sufficient to produce substantial changes in functions observed earlier in progressively more mature rhizosphere zones.

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Metadata

Authors
DeAngelis, K. M., Brodie, E. L., DeSantis, T. Z., Andersen, G. L., Lindow, S. E., & Firestone, M. K.
Venue
The ISME Journal
Published
2008-11-13
Volume
3
Issue
2
Pages
168-178
ISSN
  • 1751-7362 (ISSN-L)
  • 1751-7370
OpenAlex
W2169202644
Cited by
375
References
51
FWCI
13.88
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Selective progressive response of soil microbial community to wild oat roots. https://app.cochat.ai/papers/10.1038/ismej.2008.103
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DeAngelis, K. M., Brodie, E. L., DeSantis, T. Z., Andersen, G. L., Lindow, S. E., & Firestone, M. K. (2009). Selective progressive response of soil microbial community to wild oat roots. The ISME Journal. https://doi.org/10.1038/ismej.2008.103

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