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Effects of Root Exudates in Microbial Diversity and Activity in Rhizosphere Soils

  • Chapter
Molecular Mechanisms of Plant and Microbe Coexistence

Part of the book series: Soil Biology ((SOILBIOL,volume 15))

The rhizosphere is the soil volume at the root-soil interface that is under the influence of the plant roots and the term was introduced by Hiltner in 1904 (Brimecombe et al. 2001). Microbial population in the rhizosphere has continuous access to a flow of low and high molecular weight organic substrates derived from roots. This continuous flow of organic compounds may affect together with specific physiochemical and biological conditions microbial activity and community structure of the rhizosphere soil (Sorensen 1997; Brimecombe et al. 2001). Current techniques still lack the adequate sensitivity and resolution for data collection at the micro-scale, and the question ‘How important are various soil processes acting at different scales for ecological function?’ is therefore challenging to answer. The nano-scale secondary ion mass spectrometer (NanoSIMS) represents the latest generation of ion microprobes, which link high-resolution microscopy with isotopic analysis. Recently Herrmann et al. (2007) have described the principles of NanoSIMS and discusses the potential of this tool to contribute to the field of biogeochemistry and soil ecology.

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Authors and Affiliations

  1. Dipartimento della Scienza del Suolo e Nutrizione della Pianta, Universita’ degli Studi di Firenze, 50144, Firenze, Italy

    P. Nannipieri, J. Ascher, M. T. Ceccherini, G. Pietramellara, G. Renella & F. Valori

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  1. P. Nannipieri
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  2. J. Ascher
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  3. M. T. Ceccherini
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  4. L. Landi
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  5. G. Pietramellara
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  6. G. Renella
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  7. F. Valori
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Correspondence to P. Nannipieri .

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  1. National Botanical Research Institute, Rana Pratap Marg, Lucknow, 226001, India

    Chandra Shekhar Nautiyal

  2. Département de phytologie Pavillon Charles-Eugène Marchand, Université Laval, 1030, avenue de la Médecine, Québec (Québec), G1V 0A6, Canada

    Patrice Dion

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Nannipieri, P. et al. (2008). Effects of Root Exudates in Microbial Diversity and Activity in Rhizosphere Soils. In: Nautiyal, C.S., Dion, P. (eds) Molecular Mechanisms of Plant and Microbe Coexistence. Soil Biology, vol 15. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-75575-3_14

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