The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.
Transcriptome profiling of bacterial responses to root exudates identifies genes involved in microbe-plant interactions
Open accessAbstract
Molecules exuded by plant roots are thought to act as signals to influence the ability of microbial strains to colonize the roots and to survive in the rhizosphere. Differential bacterial responses to signals from different plant species may mediate the selection of specific rhizosphere populations. Very little, however, is known about the effects of plant exudates on patterns of bacterial gene expression. Here, we have tested the concept that plant root exudates modulate expression of bacterial genes involved in establishing microbe-plant interactions. We have examined the influence on the Pseudomonas aeruginosa PA01 transcriptome of exudates from two varieties of sugarbeet that select for genetically distinct pseudomonad populations in the rhizosphere. The response to the two exudates showed only a partial overlap; the majority of those genes with altered expression was regulated in response to only one of the two exudates. Genes with altered expression included those with functions previously implicated in microbe-plant interactions, such as aspects of metabolism, chemotaxis and type III secretion, and a subset with putative or unknown function. Use of a panel of mutants with targeted disruptions allowed us to identify previously uncharacterized genes with roles in the competitive ability of P. aeruginosa in the rhizosphere within this subset. No genes with host-specific effects were identified. Homologues of the genes identified occur in the genomes of both beneficial and pathogenic root-associated bacteria, suggesting that this strategy may help to elucidate molecular interactions that are important for biocontrol, plant growth promotion, and plant pathogenesis.
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1 retracted
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Cited by
Induced systemic resistance by beneficial microbes
Pieterse, C. M. J., Zamioudis, C., Berendsen, R. L., Weller, D. M., Van Wees, S. C. M., & Bakker, P. A. H. M. (2014) · Annual Review of Phytopathology · doi:10.1146/annurev-phyto-082712-102340 · Cited by 3,272
Compant, S., Clément, C., & Sessitsch, A. (2010) · Soil Biology and Biochemistry · doi:10.1016/j.soilbio.2009.11.024 · Cited by 2,318
Indole-3-acetic acid in microbial and microorganism-plant signaling
Spaepen, S., Vanderleyden, J., & Remans, R. (2007) · FEMS Microbiology Reviews · doi:10.1111/j.1574-6976.2007.00072.x · Cited by 1,954
Turner, T. R., James, E. K., & Poole, P. S. (2013) · Genome Biology · doi:10.1186/gb-2013-14-6-209 · Cited by 1,349
Plant responses to plant growth-promoting rhizobacteria
van Loon, L. C. (2007) · European Journal of Plant Pathology · doi:10.1007/s10658-007-9165-1 · Cited by 913
Metadata
- Authors
- Mark, G. L., Dow, J. M., Kiely, P. D., Higgins, H., Haynes, J., Baysse, C., Abbas, A., Foley, T., Franks, A., Morrissey, J., & O'Gara, F.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2005-11-21
- Volume
- 102
- Issue
- 48
- Pages
- 17454-17459
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2166301662
- Cited by
- 257
- References
- 33
- FWCI
- 11.47
- Type
- journal article
- Language
- en
- Open access
- green
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- Mark, G. L., Dow, J. M., Kiely, P. D., Higgins, H., Haynes, J., Baysse, C., Abbas, A., Foley, T., Franks, A., Morrissey, J., & O'Gara, F. (2005). Transcriptome profiling of bacterial responses to root exudates identifies genes involved in microbe-plant interactions. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0506407102
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