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Biocommunication in Soil Microorganisms pp 403–412Cite as

Beneficial Rhizobacteria Induce Plant Growth: Mapping Signaling Networks in Arabidopsis

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Part of the book series: Soil Biology ((SOILBIOL,volume 23))

Abstract

The survival of soil microorganisms is largely dependent upon growth and productivity of the plant community. Plants not only supply organic matter for decomposers, but also release up to 30% of their photosynthetic output in the form of root exudates that attract and maintain fungal and bacterial soil colonies. Plant growth-promoting rhizobacteria (PGPR) are naturally occurring microbes that colonize roots and stimulate plant growth. Identification of bacterial chemical signals that trigger such growth promotion has been limited in part by the understanding of how plants respond to external stimuli. With an increasing appreciation of how volatile organic chemicals (VOCs) serve to regulate primary and secondary plant metabolism, significant advances have been achieved in understanding how beneficial microbes drive growth and development in the model plant Arabidopsis. Here the role of bacterial volatiles in regulating plant growth through hormone action, increased photosynthetic efficiency, and sugar sensing in Arabidopsis is reviewed.

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Acknowledgments

This research was partially supported by the Robert Welch Foundation (D-1478) and the ACS/Frasch Foundation for Chemical Research.

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Authors and Affiliations

  1. Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, 79409, USA

    Paul W. Paré, Huiming Zhang, Mina Aziz, Xitao Xie, Mi-Seong Kim, Xin Shen & Jinlin Zhang

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  1. Paul W. Paré
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  2. Huiming Zhang
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  3. Mina Aziz
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  4. Xitao Xie
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  6. Xin Shen
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  7. Jinlin Zhang
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Correspondence to Paul W. Paré .

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  1. Telos - Philosophische Praxis, Vogelsangstr. 18c18c, Bürmoos, 5111, Austria

    Günther Witzany

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Paré, P.W. et al. (2011). Beneficial Rhizobacteria Induce Plant Growth: Mapping Signaling Networks in Arabidopsis . In: Witzany, G. (eds) Biocommunication in Soil Microorganisms. Soil Biology, vol 23. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-14512-4_15

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