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Plant classifications are based on morphological characters and it is difficult, particularly in small plants and grasses, to identify these below generic level on the basis of these characters using a dissecting microscope. Plant species have intra- and inter-specific variation in secondary metabolites which can be utilized as marker compounds for identification and classification of plants. Secondary metabolites are produced as a result of primary metabolism and the production of these compounds not only involves several genes but also it is an energy dependent process. Hence these products cannot be considered as insignificant for the plant and the environment. Modern tools of molecular biology and secondary metabolites present in them can definitively decide about classification of plants. Absence of correct identification of plant is associated to many problems of resource utilization. Due to wide availability of these tools, interest has revived in systematics and correct classification of plants based on these parameters for their sustainable utilization and resource management. The purpose of this book is to assess the potential of phytochemical and molecular tools in the systematic and classification of plants. The topics covered include species concept, barcoding and phylogenetic analysis, chemotaxonomy use of polyketides, carotenes, cuticular wax, volatile oils, biodiversity of corals, metazoans, Ruta and Echinocereus. It provides comprehensive and broad subject-based reviews, useful for students, teachers, researchers, and all others interested in the field. The field has been kept wide and general to accommodate the wide-ranging topics. This book will be useful to agriculturists, chemists, botanists, industrialists, and those involved in planning of crop plants.
This comprehensive and interdisciplinary handbook provides a bird’s-eye view of two centuries of research on secondary metabolites of the two large Solanales families, Solanaceae and Convolvulaceae. In this book they’re arranged according to their biosynthetic principles, while the occurrence and chemical structures of almost all known individual secondary metabolites are covered, which are found in hundreds of wild as well as cultivated solanaceous and convolvulaceous species.
The Yeasts: A Taxonomic Study is a three-volume book that covers the taxonomic aspect of yeasts. The main goal of this book is to provide important information about the identification of yeasts. It also discusses the growth tests that can be used to identify different species of yeasts, and it examines how the more important species of yeasts provide information for the selection of species needed for biotechnology. • Volume 1 discusses the identification, classification and importance of yeasts in the field of biotechnology. • Volume 2 focuses on the identification and classification of ascomycetous yeasts. • Volume 3 deals with the identification and classification of basidiomycetous yeasts, along with the genus Prototheca. - High-quality photomicrographs and line drawings - Detailed phylogenetic trees - Up-to-date, clearly presented yeast taxonomy and systematic, easy-to-use reference sequence accession numbers to allow for correct identification
Medicinal Plants: Chemistry, Biology and Omics reviews the phytochemistry, chemotaxonomy, molecular biology, and phylogeny of selected medicinal plant tribes and genera, and their relevance to drug efficacy. Medicinal plants provide a myriad of pharmaceutically active components, which have been commonly used in traditional Chinese medicine and worldwide for thousands of years. Increasing interest in plant-based medicinal resources has led to additional discoveries of many novel compounds, in various angiosperm and gymnosperm species, and investigations on their chemotaxonomy, molecular phylogeny and pharmacology. Chapters in this book explore the interrelationship within traditional Chinese medicinal plant groups and between Chinese species and species outside of China. Chapters also discuss the incongruence between chemotaxonomy and molecular phylogeny, concluding with chapters on systems biology and "-omics technologies (genomics, transcriptomics, proteomics, and metabolomics), and how they will play an increasingly important role in future pharmaceutical research. - Reviews best practice and essential developments in medicinal plant chemistry and biology - Discusses the principles and applications of various techniques used to discover medicinal compounds - Explores the analysis and classification of novel plant-based medicinal compounds - Includes case studies on pharmaphylogeny - Compares and integrates traditional knowledge and current perception of worldwide medicinal plants
Approx.798 pages
The Bifidobacteria and Related Organisms: Biology, Taxonomy, Applications brings together authoritative reviews on all aspects of Bifidobacteria and related genera. Their place within the Phylum Actinobacteria is discussed first, and this is followed by descriptions of the genera Bifidobacterium, Alloscardovia, Aeriscardovia, Bombiscardovia, Gardnerella, Metascardovia, Parascardovia and Scardovia and the currently accredited species within those genera. The increased availability of genome sequences and molecular tools for studying bifidobacteria provides important information about their taxonomy, physiology and interactions with their host. Also considerations about common bifidobacterial core maintenance during the mutual coevolution of a host and its intestinal microbes could be relevant for health claims for the ability of symbiotic gut bacteria to provide health benefits to their host, and for evaluating such claims in scientifically valid experiments. Chemotaxonomy is important to our understanding of these genera and so is considered along with physiological and biochemical aspects before proceeding to examine clinical and other practical aspects. The ability to maintain pure cultures and to grow cells in industrial quantities when required for applications requires that the cells' environmental and nutritional needs are well understood. Some species are important clinically and as animal digestive tract synbionts—and even play a part in honey production—so these matters are considered along with milk oligosaccharides' roles in gut flora development in neonates. - Presents information on all bacteria in this group in one place - Provides applications and technological considerations placed alongside more academic matters such as nomenclature and phylogeny - Includes basic information on the beneficial role of bifidobacteria in the human gut, with particular importance for infants - Provides information on genomic and gene modification technologies
Prithipalsingh, Indian taxonomist; contributed articles.
Taxonomy is the theory and practice of classification, and chemotaxonomy incorporates the principles and procedures involved in the use of chemical evidence for classificatory purposes. Chemical Systematics is the study of the chemical variation in a diversity of organisms, and of their relationships. This book does not aim to give accounts of the systematics of any group of plants but rather to introduce and illustrate the ways in which chemical data may be used with profit to taxonomists.
Plants have always been a source of nourishment and healing for living things. Their dual task of producing nutrients and medicines has played a key role in the evolution of herbivore and omnivore organisms. The so-called secondary metabolites are molecules with well-defined functional roles. These compounds are produced to defend plants from abiotic and biotic stresses. The complexity of the molecular structures produced by plants is only equal to their versatility and chemical diversity, while the harmonic intertwining of biosynthetic and metabolic pathways offers a perfect picture of the adaptive plasticity of plants to changing environmental conditions. This book is divided into three parts designed to provide the reader with a general overview, a biochemical and a biotechnological approach to plant bioactive molecules. The first part analyses the concepts of chemical diversity, sustainability and functional role of bioactive molecules, by exploring the sites of synthesis and accumulation, the plant defence strategies and the use of bioactive molecules as food supplements and as a source for natural products to fight diseases. The first part ends with the study of chemotaxonomy. The second part is dedicated to plant biochemistry, with the detailed description of the main biosynthetic pathways leading to the synthesis of phenols and flavonoids, terpenes, oxylipins and nitrogen-containing substances. The third and final part describes plant biotechnology and production of bioactive molecules with industrial processes, both in vivo and in vitro. Special attention is paid to cell and tissue cultures, roots and shoots cultures, technological aspects describing bioreactors, biofermenters and photobioreactors. The book concludes with a chapter describing the genetic engineering strategies for the production of plant bioactive molecules, facing with ethical problems, risks and benefits of using recombinant DNA in genetically modified organisms (GMOs) and the use of molecular pharming, with a general discussion on food safety.