Secondary Metabolites in Soil Ecology

About this book

This compelling study focuses on the role of bacterial, fungal and plant secondary metabolites in soil ecosystems.

Our understanding of the biological function of secondary metabolites is surprisingly limited, considering our knowledge of their structural diversity and pharmaceutical activity.

This book reviews functional aspects of secondary metabolite production, with a focus on interactions among soil organisms.

Topics such as truffle metabolites and burnt phenomenon, the ecology of mycotoxins in soil, root exudates, and chemical interactions between Streptomyces and mycorrhiza fungi are treated.

Further relevant material covered includes the role of microbial metabolites as quorum sensing signals, their role in protecting plants against pathogens and the effect of volatiles on soil invertebrates.

Chapters describing techniques for the detection of antibiotics in soil and the application of metabolomics to rhizosphere research, which have advanced rapidly in recent years, complete the comprehensive picture.

Contents

1 Secondary Metabolites in Soil Ecology ... 1 Petr Karlovsky Part I Detection and Analysis 2 Detection of Antibiotics Produced by Soil and Rhizosphere Microbes In Situ ... 23 Linda S. Thomashow, Robert F. Bonsall, and David M. Weller 3 Rhizosphere Metabolomics: Methods and Applications ... 37 Sheela Reuben, V.S. Bhinu, and Sanjay Swarup 4 N-Acyl Homoserine Lactone Quorum Sensing in Gram-Negative Rhizobacteria ... 69 Sara Ferluga, Laura Steindler, and Vittorio Venturi Part II Bacterial Metabolites 5 The Effect of Bacterial Secondary Metabolites on Bacterial and Fungal Pathogens of Rice ... 93 P. Velusamy and S.S. Gnanamanickam 6 Secondary Metabolites of Soil Streptomycetes in Biotic Interactions ... 107 Mika Tarkka and Rudiger Hampp Part III Fungal Metabolites 7 The Effect of Fungal Secondary Metabolites on Bacterial and Fungal Pathogens ... 129 N. Mathivanan, V.R. Prabavathy, and V.R. Vijayanandraj 8 Biological Signifi cance of Truffle Secondary Metabolites ... 141 Richard Splivallo 9 Mycotoxins in the Soil Environment ... 167 Susanne Elmholt Part IV Plant Metabolites 10 Constitutive Secondary Plant Metabolites and Soil Fungi: Defense Against or Facilitation of Diversity... 207 Franz Hadacek 11 Root Exudates Modulate Plant--Microbe Interactions in the Rhizosphere ... 241 Harsh P. Bais, Corey D. Broeckling, and Jorge M. Vivanco Part V Functional Aspects 12 The Impacts of Selected Natural Plant Chemicals on Terrestrial Invertebrates ... 255 Neal Sorokin and Jeanette Whitaker 13 The Role of Soil Microbial Volatile Products in Community Functional Interactions ... 269 Ron E. Wheatley

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