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Exploring the Ecological Significance of Microbial Diversity and Networking in the Rice Ecosystem

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Soil Biology and Agriculture in the Tropics

Part of the book series: Soil Biology ((SOILBIOL,volume 21))

Abstract

Rice fields represent “hot spots of biodiversity” – encompassing a complicated network of aerobic, anaerobic and facultative micro-organisms, whose interactions with the resident macro flora and fauna lead to unique and complex biochemical and physicochemical reactions. In turn, these reactions fuel the major nutrient cycles. The dynamics of microbiological activity of rice soil, especially in the rhizosphere, represents a model system to study the fundamentals of microbial ecology, such as the mechanisms for maintenance and communication between diverse and overlapping bacterial populations. Modern molecular tools such as innovative micro-scale-measuring devices and use of extensive long-term field data have revealed the culturable/unculturable diversity – which includes not only the commonly recorded eubacteria and cyanobacteria but also members of Archaea, Planctomycetes, β-Proteobacteria, and an increasing number of associated endophytes. This compilation presents the current knowledge about this key soil habitat and its global significance to agriculture and the environment.

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Acknowledgments

We wish to acknowledge with gratitude the authorities of the Indian Agricultural Research Institute, New Delhi and Indian Council of Agricultural Research (ICAR), New Delhi for providing through various projects [AP Cess Fund, Network Project on Micro-organisms (AMAAS) and All India Coordinated Research Project on Biofertilizers (AINPB)] the funding and facilities necessary for undertaking the research activities described as part of this compilation. We also wish to thank our students/project staffs who have provided their research inputs.

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  1. Division of Microbiology, Indian Agricultural Research Institute, New Delhi, 110012, India

    Radha Prasanna, Lata Nain & Alok Kumar Pandey

  2. National Institute of Science, Technology and Developmental Studies, New Delhi, 110012, India

    Saswati Nayak

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Correspondence to Radha Prasanna .

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  1. Dépt. Phytologie, Université Laval, avenue de la Médecine 1030, Quebec, G1V 0A6, Canada

    Patrice Dion

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Prasanna, R., Nain, L., Pandey, A.K., Nayak, S. (2010). Exploring the Ecological Significance of Microbial Diversity and Networking in the Rice Ecosystem. In: Dion, P. (eds) Soil Biology and Agriculture in the Tropics. Soil Biology, vol 21. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-05076-3_7

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