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Symbioses and Stress
Symbioses and Stress examines how organisms in tight symbiotic associations cope with abiotic and biotic stress. Presenting new findings on symbioses by experts and leading scholars in the field, this volume complements courses and lectures in biology and genetics.
Protocols in Lichenology
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.
Recent Advances in Lichenology
This book discusses in detail molecular, mycobiont culture, biomonitoring and bioprospection of lichens, providing insights into advances in different fields of lichenology by applying modern techniques and approaches and examining how their application has enhanced or changed classical approaches. It offers a valuable resource, especially for beginners, students and researchers from different academic backgrounds interested in the study of lichens. In recent years, the introduction of modern analytical techniques and approaches has significantly improved our understanding of the environment, including lichens. Lichens are unique organisms which possess untapped potential as effective and re...
Studies in Natural Products Chemistry
Natural products present in the plant and animal kingdom offer a huge diversity of chemical structures, which are the result of biosynthetic processes that have been modulated over the millennia through genetic effects. With the rapid developments in spectroscopic techniques and accompanying advances in high-throughput screening techniques, it has become possible to isolate and then determine the structures and biological activity of natural products rapidly, thus opening up to the pharmaceutical industry exciting opportunities in the field of new drug development. The series covers all of the above as well as the synthesis, testing and recording of the medicinal properties of natural products. - Describes the chemistry of bioactive natural products - Contains contributions by leading authorities in the field - A valuable source for researchers in natural product and medicinal chemistry
Studies in Natural Products Chemistry
Lichens are fascinating symbiotic organisms, biosynthesizing a broad spectrum of interesting secondary metabolites and polysaccharides. A considerable number of them have been found to exert biological activities, such as antibiotic, antimycobacterial, antiviral, anti-inflammatory, analgesic, antipyretic, antiproliferative, and cytotoxic effects. Only a very low percentage of “lichen substances” have been actually screened for their biological activities and their potential therapeutic applications in medicine. This is due to difficulties to obtain large quantities of lichens from nature, isolated lichen fungi and algae from cultures for extractions. Ten years ago, we have started to byp...
BBC Wildlife
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The Lives of Lichens
A richly illustrated guide to lichens and their biology Existing at the margins of life, lichens are the result of symbiotic relationships between fungi and photosynthesizing partners in the form of algae or cyanobacteria. Comprising more than twenty thousand species, lichens are pioneers in diverse ecosystems, colonizing virtually any surface and growing at almost any altitude. Found in rainforests, polar regions, deserts, and your backyard, lichens embody a paradox of toughness and sensitivity, surviving trips to space yet endangered by even the slightest environmental changes from industrial pollution here on Earth. Lichens grow everywhere, but only on their own terms: no one has ever ful...
Systematics, Biodiversity and Ecology of Lichens
This volume focuses on the interaction of lichens with their substrate, environment and their biogeographic effects. In seventeen chapters thirty-eight authors present recent findings and developments in systematics, biodiversity, floristic studies and ecology, as well as newly described taxa, and keys to the identification of Caloplaca and xanthorioid lichens. Molecular phylogenetic analyses of several groups and genera are presented, resulting in an improved systematics of, for example, Caloplaca, Cladonia, Collema and xanthorioid lichens. The genera Arthonia and Usnea in Greece (with key) are reviewed. The volume is dedicated to Prof. Hans Martin Jahns on the occasion of his 70th birthday...
Aristotle. On Youth and Old Age, Life and Death, and Respiration 1-6
This book is devoted to the last part of Aristotle’s collection of short treatises known today as the Parva Naturalia, i.e. the treatise On Youth and Old Age, on Life and Death, on Respiration. In the three main sections of the book, the author offers a translation, a commentary and a thorough analysis of this work. The author argues in favour of the unity of the work and contextualises its ideas within Aristotle’s corpus and the medical tradition of his time. After an Introduction to the nature of the work and its significance for the history of natural philosophy and science, a new English translation follows, along with a detailed commentary of Chapters 1-6, which combines philosophic...
