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Although many insects successfully live in dangerous environments exposed to diverse communities of microbes, they are often exploited and killed by specialist pathogens. In the process of the co-evolution of insects and entomopathogenic microorganisms, they develop various adaptive systems that determine the sustainable existence of dynamic host–parasite interactions at both the organismic and population levels.
Many of the natural products have been isolated and characterized from the actinobacteria, for example polyketides, phenazines, peptides, indolocarbarbazoles, and sterols. To explore new antibiotics from actinobacteria, several bioinformatics and synthetic biology tools were developed. This book covers basics to recent protocols for drug discovery from actinobacteria. Features: Discusses the benefits of production of antibiotics and enzymes from actinomycetes in a large scale Covers the synthetic biology approach Describes the strain improvement of actinobacteria Gives information on basic isolation of actinobacteria and modern techniques Covers the applications and metabolic engineering strategies of actinomycetes This book will be helpful for the pharmaceutical industries and researchers to develop new antibiotics from actinobacteria and can be used in support of future research in drug discovery.
Fungi are among the most widespread microorganisms in insect habitats. They may serve as mutualistic elements in insect physiology (e.g., in digestion) or they may act as infectant agents, weakening or killing the host. This latter feature may be used for microbial pest control. Interactions of Entomopathogenic Fungi with Insects: From Physiological Effects to Applications will cover entomopathogenic fungi, as well as the physiological, immunological, and behavioral responses that they illicit in insects. The book will go on to explore the potential uses of these biopesticides against harmful insects such as parasitoids and disease vectors. Finally, it will cover potential harm to non-target...
These chapters provide up-to-date information on nematophagous fungi, particularly those of the Orbiliaceae in Ascomycota, whose asexual states produce nematode-trapping devices. The authors consider fungal-nematode interactions, fossil fungi, the biodiversity, ecology and geographical distribution of nematode-trapping fungi, and their potential use in biocontrol of nematodes, all in detail. Nematode-trapping fungi with adhesive or mechanical hyphal traps are the main focus of this book which begins with an overview of the data on nematode-trapping fungi, including their taxonomy, phylogeny and evolution. Subsequent chapters expand upon the methods and techniques used to study these fascinat...
Although many insects successfully live in dangerous environments exposed to diverse communities of microbes, they are often exploited and killed by specialist pathogens. In the process of the co-evolution of insects and entomopathogenic microorganisms, they develop various adaptive systems that determine the sustainable existence of dynamic host-parasite interactions at both the organismic and population levels.
This book describes the interlaced histories of life and oxygen. It opens with the generation of oxygen in ancient stars and its distribution to newly formed planets like the Earth. Free O2 was not available on the early Earth, so the first life forms had to be anaerobic. Life introduced free O2 into the environment through the evolution of photosynthesis, which must have been a disaster for many anaerobes. Others found ways to deal with the toxic reactive oxygen species and even developed a much more efficient oxygen-based metabolism. The authors vividly describe how the introduction of O2 allowed the burst of evolution that created today’s biota. They also discuss the interplay of O2 and CO2, with consequences such as worldwide glaciations and global warming. On the physiological level, they present an overview of oxidative metabolism and O2 transport, and the importance of O2 in human life and medicine, emphasizing that while oxygen is essential, it is also related to aging and many disease states.
Nematode interactions are important biological phenomena and of great significance in agriculture. It is a fascinating subject which is multidisciplinary by nature, and concerns any scientist involved with plant health. There have been marked advances in our knowledge of various aspects of the subject in the last two decades. This study area has been the subject of several reviews, but there was no exclusive text on the subject. This has stressed the need to document the information, developing a unifying theme which treated nematode interactions in a holistic manner. This book is about the inter action of plant-parasitic nematodes with other plant pathogens or root symbionts, the nature of ...
There is increasing interest in the use of fungi for the control of pests, weeds and diseases. This book brings together perspectives from pathology, ecology, genetics, physiology, production technology, to address the use of fungi as biological control agents.