Lichen Physiology And Cell Biology
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| Author | : D. H. Brown |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 362 |
| Release | : 2012-12-06 |
| Genre | : Nature |
| ISBN | : 1461325277 |
It is currently impossible to grow lichens under controlled conditions in the laboratory in sufficient quantity for physiological experiments. Lichen growth is slow and conditions which might accelerate the process tend to favour either the algal or fungal partner, resulting in the breakdown of balance symbiosis. Lichen physiologists are therefore forced to use field-grown material with all the problems associated with the unknown influences of unpredictable and unreproducible climatic conditions. Study of major biochemical topics, such as the nature of the carbohydrate and nitrogenous compounds passing between the symbionts, is less influenced by climatic conditions than the intrinsic nature of the symbionts and many advances have been made in these areas. Recently, the challenge of using field-grown plant material, the physiological status of which is intimately linked to environmental conditions, has proved to be a stimulus rather than a hindrance to a number of research groups. The occurrence of lichens in extreme habitats has prompted a number of field and laboratory studies with material from such diverse localities as the cold deserts of Antarctica and the temperate rain forests of the New Zealand bush. A comparative approach, using contrasted species or habitats from a particular geographical region has yielded much information and an appreciation of the variety of physiological adaptations which may exist. The close linkage between morphology and physiology is now being directly demonstrated, as is the relevance of ultrastructural information.
| Author | : Thomas H. Nash (III.) |
| Publisher | : Cambridge University Press |
| Total Pages | : 320 |
| Release | : 1996-01-26 |
| Genre | : Science |
| ISBN | : 9780521459747 |
A broad-ranging review of organisms which have long-fascinated biologists, ecologists and chemists.
| Author | : 3Island Press |
| Publisher | : |
| Total Pages | : 380 |
| Release | : 1985-12-01 |
| Genre | : |
| ISBN | : 9781461325284 |
| Author | : Kenneth A. Kershaw |
| Publisher | : Cambridge University Press |
| Total Pages | : 306 |
| Release | : 1985-06-27 |
| Genre | : Science |
| ISBN | : 0521239257 |
This book provides a critical and selective review of lichen physiological ecology.
| Author | : Vernon Ahmadijian |
| Publisher | : Elsevier |
| Total Pages | : 712 |
| Release | : 2012-12-02 |
| Genre | : Nature |
| ISBN | : 0323143091 |
The Lichens covers the structure and development, physiology of the intact thallus, environmental response and effects, secondary metabolic products, and symbiont interactions of lichens. This book is divided into five parts encompassing 19 chapters. It also includes appendices consist of a taxonomic scheme, methods for isolating and culturing lichen symbionts and thalli, and methods for isolating and identifying lichen substances. The first part of this book describes the original fungal cell and its development into specialized cells of which the various tissues and thalli are composed. This is followed by discussions on sexual reproduction of ascolichens and basidiolichens and on systematic criteria for the definition of taxa in different hierarchical steps. This book also explains the types of propagules produced by lichens and the submicroscopical investigations of lichens, including phycobiont and mycobionts' substructure and symbiotic relationship. The second part of this book examines the physiological aspects of lichens. It includes discussions on metal cation uptake and translocation in vascular plants and on lichens' role in rock weathering and soil formation. This part also studies photosynthetic rates and nitrogen absorption and metabolism by the intact thallus of lichens. Succeeding chapters discuss physiological and morphological responses of lichens to the most important environmental factors and the relationship of these factors to lichen distribution. Substrate preferences of lichens and their causes and implications with regard to the ecology, distribution, and taxonomy of lichens are also examined. This text also discusses lichen thalli growth, methods of measurement, and factors influencing growth. Finally, the concluding parts deal with the biosynthesis of lichen substances, secondary metabolic products, and symbiotic relations of lichens to fungi and algae. This multi-authored book is an ideal source of information for researchers, teachers, and students who wish to broaden their knowledge in the diversity of lichenology.
| Author | : Irwin M. Brodo |
| Publisher | : Yale University Press |
| Total Pages | : 424 |
| Release | : 2016-01-01 |
| Genre | : Nature |
| ISBN | : 0300195737 |
Based on the acclaimed reference Lichens of North America, this resource for the classroom, field, and laboratory presents updated and expanded keys for the identification of over 2,000 species of lichens indigenous to the continent, twice the number covered by previous keys. The book includes a glossary illustrated with photographs by Sylvia Duran Sharnoff and Stephen Sharnoff and drawings by Susan Laurie-Bourque, all from the original book. The revised keys are an indispensable identification tool for botanists, students, scientists, and enthusiasts alike.--COVER.
| Author | : Ilse Kranner |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 586 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 3642563597 |
As an intricate association between a fungus and one or more green algae or cyanobacteria, lichens are one of the most successful examples of symbiosis. These fascinating organisms survive extreme desiccation and temperatures. They are adapted to a great variety of habitats, from deserts to intertidal zones, from tropical rain forests to the peaks of the Himalayas and to circumpolar ecosystems. Lichens are extremely efficient accumulators of atmospherically deposited pollutants, and are therefore widely used to monitor environmental pollution. Their wide range of secondary products show pharmaceutically interesting fungicidal, antibacterial and antiviral properties. Lichens are extremely difficult to culture. This manual provides well-tested tissue culture protocols, protocols for studying lichen ultrastructure, (eco)physiology, primary and secondary compounds, and for using lichens as bioindicators.
| Author | : Vernon Ahmadjian |
| Publisher | : John Wiley & Sons |
| Total Pages | : 274 |
| Release | : 1993-08-30 |
| Genre | : Science |
| ISBN | : 9780471578857 |
Not only an invaluable reference to what is known about lichen bionts and their interactions but also a guide to future studies. Compares various aspects of lichen-forming bionts with those of other fungi, algae and cyanobacteria. Features in-depth descriptions of culture methods. Includes over 1000 references representing a selective sampling in such subjects as air pollution, photosynthesis and respiration.
| Author | : Michael J. Carlile |
| Publisher | : Gulf Professional Publishing |
| Total Pages | : 814 |
| Release | : 2001-01-09 |
| Genre | : Science |
| ISBN | : 0127384464 |
This new edition of The Fungi provides a comprehensive introduction to the importance of fungi in the natural world and in practical applications, from a microbiological perspective.
| Author | : Michel Nicole |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 263 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9400901895 |
Plants interact with a large number of microoganisms which have a major impact on their growth either by establishing mutually beneficial symbiotic relationships or by developing as pathogens at the expense of the plant with deleterious effects. These microorganisms differ greatly not only in their nature (viruses, phytoplasmas, bacteria, fungi, nematodes, ... ) but also in the way they contact, penetrate and invade their host. Histology and cytology have brought an essential contribution to our knowledge of these phenomena. They have told us for instance, how specialized structures of the pathogen are often involved in the adhesion and penetration into the plant, how the interface between both organisms is finely arranged at the cellular level, or what structural alterations affect the infected tissues. They have thus set the stage for the investigations of the underlying molecular mechanisms could be undertaken. Such investigations have been remarkably successful in the recent years, expanding considerably our understanding of plant-microorganism interactions in terms of biochemical changes, rapid modifications of enzymatic activities, coordinated gene activation, signal reception and transduction. Biochemistry, molecular biology and cellular physiology have taken precedence in the phytopathologist's set of methods.
