Bertold Hock

This new edition of Fungal Associations focuses on mycorrhizas, lichens and fungal-bacterial symbioses. It has been completely revised, updated and expanded. Renowned experts present thorough reviews and discuss the most recent findings on molecular interactions between fungi and plants or bacteria that lead to morphological alterations and novel properties in the symbionts. New insights into the beneficial impact of fungal associations on ecosystem health are provided and documented with striking examples.

Fungal Associations

Damia Barcelo

Anthony P. F. Turner

Karl Cammann

Peter-D. Hansen

This book reflects the current knowledge and trends in the field of biosensors for environmental monitoring. Biosensors combine the power of microelectronics with the selectivity and sensitivity of biological components to detect individual substances or groups of substances in the environment. Biosensors can also be used for recognizing biological effects such as genotoxicity, immunotoxicity and endocrine responses. For this purpose, components of biological origin such as microorganisms, enzymes, receptors or specific nucleic acid sequences are applied for the recognition and combined with a transducer system to provide toxicologic or pharmacologic data within seconds. This approach is expected not only to provide a significant contribution to measurement technology but also a basis for competent political decisions.

Biosensors for Environmental Diagnostics

Ajit Varma

The second edition of Mycorrhiza falls into a time period of excep tionally rapid growth in mycorrhizal research. Therefore the edi tors have been most pleased with the decision of the Springer Verlag to revise the first edition and to incorporate the remarkable advances experienced in the mycorrhizal field. The pace of discovery has been particularly fast at the two poles of biological complexity, the molecular events leading to changes in growth and differentiation, as well as the factors regulating the structure and diversity of natural populations and communities. Therefore the most significant changes introduced in the new edition of this book are found within these topics. Not only were many chapters up dated, but also new chapters have replaced existing ones. The individual decisions have not been easy, since valuable contribu tions had to be sacrificed in favour of new aspects; but the authors hope that a highly topical new edition will be of greatest benefit for a rapidly expanding field of research. We welcome comments and critics from readers. Since it was possible again to find leading scientists as contribu tors, we are confident that this revised second edition will stimulate further progress and contribute to a deeper understanding of advances in the mycorrhizal field. We are grateful to the Springer Verlag, especially Dr. Dieter Czeschlik, for his continued interest and active help. Dr. Maja Hilber-Bodmer and Dr.

Bertold Hock

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