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Legume Root Exudates: Their Role in Symbiotic Interactions

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Plant Microbes Symbiosis: Applied Facets

Abstract

Legumes are in constant dynamic interactions with rhizobia and arbuscular mycorrhizal (AM) fungi which mutually benefit the partners. Legumes provide the carbon energy to the microbes, and they in turn provide the nutrients such as nitrogen and phosphorus. The growth of these symbionts largely depends on the secretions of the legume roots which include both high and low molecular weight compounds. These molecules also act as cues in plant-microbe signaling and recognition. A cascade of reactions take place between the legume and the microbe before specific refined symbiotic partnership manifests mutually benefiting both the partners. Here, we provide an overview of the functions of legume root exudates with emphasis on the interactions between legume and rhizobia.

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Acknowledgments

The first author is grateful to the Department of Biotechnology, Govt. of India, for the DBT-RA fellowship.

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

    David L. Biate, Annu Kumari, K. Annapurna, Lakkineni Vithal Kumar, D. Ramadoss, Kiran K. Reddy & Satish Naik

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  1. David L. Biate
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  2. Annu Kumari
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  3. K. Annapurna
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  4. Lakkineni Vithal Kumar
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Correspondence to K. Annapurna .

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  1. Department of Environmental Microbiology, Babasaheb Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India

    Naveen Kumar Arora

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Biate, D.L. et al. (2015). Legume Root Exudates: Their Role in Symbiotic Interactions. In: Arora, N. (eds) Plant Microbes Symbiosis: Applied Facets. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2068-8_13

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