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Author: Marco A. Juarez-Estrada Publisher: Frontiers Media SA ISBN: 2832538452 Category : Medical Languages : en Pages : 150
Book Description
Parasitism is a tight association between species in which one organism, the parasite, lives on or inside the host, causing it harm, and is structurally adapted to this way of life. Until the twenty-first century, parasitism was studied by parasitologists, rather than ecologists or evolutionary biologists. Today, parasitism is a major element of evolutionary ecology, as nearly all free-living animals are hosts to at least one parasite species. Since it is in the parasite's evolutionary interest for its host to flourish, long-term coevolution can lead to a stable relationship bordering on mutualism. According to Lynn Margulis, when resources are scarce, natural selection, moves relationships from parasitism to mutualism, as it was brilliantly illustrated in Margulis' endosymbiosis theory, where eukaryotic mitochondria and chloroplasts descended from formerly free-living prokaryotes. Boundary between mutualism, symbiosis, and pathological parasitism is a thin red line that frequently overlapping without a theory enough clear to explain this thigh relationship between the parasite and its host.
Author: Marco A. Juarez-Estrada Publisher: Frontiers Media SA ISBN: 2832538452 Category : Medical Languages : en Pages : 150
Book Description
Parasitism is a tight association between species in which one organism, the parasite, lives on or inside the host, causing it harm, and is structurally adapted to this way of life. Until the twenty-first century, parasitism was studied by parasitologists, rather than ecologists or evolutionary biologists. Today, parasitism is a major element of evolutionary ecology, as nearly all free-living animals are hosts to at least one parasite species. Since it is in the parasite's evolutionary interest for its host to flourish, long-term coevolution can lead to a stable relationship bordering on mutualism. According to Lynn Margulis, when resources are scarce, natural selection, moves relationships from parasitism to mutualism, as it was brilliantly illustrated in Margulis' endosymbiosis theory, where eukaryotic mitochondria and chloroplasts descended from formerly free-living prokaryotes. Boundary between mutualism, symbiosis, and pathological parasitism is a thin red line that frequently overlapping without a theory enough clear to explain this thigh relationship between the parasite and its host.
Author: Tatiana Venkova Publisher: Frontiers Media SA ISBN: 2889455742 Category : Languages : en Pages : 518
Book Description
Bacteria are among the earliest forms of life on Earth. Notwithstanding their small size and primitive origin, bacteria still have a tremendous impact on everyday human life. Over the centuries, research into bacteria have provided and enriched the fundamental biological knowledge due to their readily measured processes and effects on higher organisms. Although molecular genetics and microbiology were among the scientific fields that have mostly benefited from the discoveries made in bacteria, our current state of knowledge has gone beyond what anyone could have ever imagined. The present Research Topic aims to cover new and exciting broad aspects of the importance of bacteria to human life, both positive and negative influences. Regulation of bacterial gene expression, replication and segregation control mechanisms, cell to cell communication via quorum sensors, and the relatively recent finding of bacterial immunity via CRISPR, have led to the development of many, and very important new tools in biotechnology and the emerging field of molecular medicine. The battle against infectious diseases has also benefited from the genetic approaches that have been developed in the quest for finding new targets and novel drugs against pathogenic bacteria. At the next level, the human microbiome project has opened up new avenues in understanding the role of bacteria in human health and wellbeing. Finally, the relationship between bacterial infections and human cancers will also be covered, a subject that is still under verification through rigorous experimental approaches. Special emphasis will be given to the bacterial accessory genome, i.e the mobilome, as the primary cause of health-threatening antimicrobial resistance and the production of toxins and virulence factors. Taking into account the evolutionary importance of horizontal gene transfer and the additional beneficial roles of certain bacterial mobile genetic elements, they help project best “the Good, the Bad and the Ugly” outline of this topic. At the time this eBook is about to be published, our Research Topic has registered nearly 55, 000 views.
Author: Stephen Wangen Publisher: eBookIt.com ISBN: 0976853736 Category : Health & Fitness Languages : en Pages : 132
Book Description
This is the authoritative resource on IBS. In this easy to read book you will discover what actually causes IBS; how to find the cause of your own symptoms; how to treat your symptoms; and where to go for help. If you have IBS, constipation, diarrhea, gas, bloating, indigestion, or chronic abdominal pain, there is a logical reason for your suffering. Written by Dr. Stephen Wangen, the founder of the IBS Treatment Center, this book explains how your symptoms can be cured. You do not need to eat more fiber; take medications or supplements for the rest of your life; or wonder if you are too stressed. You can actually live your life completely free of IBS and this book will help you discover how.
Author: Publisher: Academic Press ISBN: 0128201606 Category : Science Languages : en Pages : 728
Book Description
An ever-growing roster of model organisms is a hallmark of 21st century Developmental Biology. Emerging model organisms are well suited to asking some fascinating and important questions that cannot be addressed using established model systems. And new methods are increasingly facilitating the adoption of new research organisms in laboratories. This volume is written by some of the scientists who have played pivotal roles in developing new models or in significantly advancing tools in emerging systems. - Presents some of the most interesting additions to the core set of model organisms - Contains contributions from people who have developed new model systems or advanced tools - Includes personal stories about how and why model systems were developed
Author: Lucas J. Stal Publisher: Springer ISBN: 3319330004 Category : Science Languages : en Pages : 501
Book Description
This book describes the state-of-the-art concerning the ‘marine microbiome’ and its uses in biotechnology. The first part discusses the diversity and ecology of marine microorganisms and viruses, including all three domains of life: Bacteria, Archaea, and Eukarya. It discusses whether marine microorganisms exist and, if so, why they might be unique. The second part presents selected marine habitats, their inhabitants and how they influence biogeochemical cycles, while the third discusses the utilization of marine microbial resources, including legal aspects, dissemination, and public awareness. The marine microbiome is the total of microorganisms and viruses in the ocean and seas and in any connected environment, including the seafloor and marine animals and plants. The diversity of microbial life remains unquantified and largely unknown, and could represent a hidden treasure for human society. Accordingly, this book is also intended to connect academics and industry, providing essential information for microbiologists from both fields.
Author: Mark Twain Publisher: Good Press ISBN: Category : Fiction Languages : en Pages : 15304
Book Description
The anthology 'The Good, The Bad and The Ugly - 175+ Western Novels & Short Stories in One Edition' presents an unparalleled compilation, showcasing the vast landscapes of the American West through the prism of over forty authors eyes. This diverse collection spans the spectrum from the gritty realism of pioneer life to the mythic valorization of the cowboy ethos, exploring themes of adventure, lawlessness, and the human struggle against natural elements. The variegated literary styles, including the refined prose of Twain, the rugged simplicity of London, and the narrative ingenuity of Harte, underscore the multifaceted nature of Western storytelling. These stories capture the spirit of an era, offering readers a mosaic of courageous heroes, nefarious outlaws, and spirited pioneers navigating the rugged terrains of life in Western America. The backgrounds of the contributing authors encompass a broad spectrum of American literature, from the well-known figures such as Mark Twain and Jack London to less visible but equally significant writers like William Patterson White and Marah Ellis Ryan. Collectively, they represent a formidable assembly weaving together the historical, cultural, and literary movements of their time. Each contributes a unique voice to the exploration of the Western frontier, reflecting their personal experiences, imaginations, and the zeitgeist of the late 19th to early 20th centuries. This confluence of diverse perspectives provides a rich, nuanced understanding of the Western genre, inviting readers to ponder the complexities of frontier life and the enduring appeal of Western narratives. 'The Good, The Bad and The Ugly - 175+ Western Novels & Short Stories in One Edition' is an essential anthology for readers seeking to immerse themselves in the expansive world of Western literature. It offers a unique opportunity to traverse the wide-ranging landscapes of human emotion and adventure, curated through the lenses of masters in the genre. This collection is a treasure trove for students, scholars, and aficionados of American literature and history, promising a deeper appreciation of the Western ethos and its impact on American cultural identity. It beckons readers to explore the myriad of stories that paint a vivid tableau of the American West, a testament to the enduring legacy of its narratives.
Author: Mike Berridge Publisher: Bridget Williams Books ISBN: 0908321341 Category : Medical Languages : en Pages : 63
Book Description
‘The world beyond the thought horizon is as vast as the universe, and probing it is the stuff of dreams, imaginative thinking and new technologies.’ The gap between rapid scientific progress and public understanding faces unprecedented challenges. Leading research scientist Mike Berridge explores this troubled ground from a rare vantage point. His descriptions of stunning new advances in human health are offset by hard questions about society’s ability to keep pace. This exploration brings us into contact with hotly contested public health issues, such as cancer treatment, sugar consumption, and water fluoridation. It is also a heartfelt plea to place robust and impartial science at the centre of our thinking for the future.
Author: Vivek Kumar Publisher: Springer ISBN: 9811034737 Category : Science Languages : en Pages : 599
Book Description
This book primarily focuses on microbial colonization, its role in plant growth and nutrient cycling, mycorrhizae, and providing an overview of phytospheric microorganisms in sustainable crop systems. Despite the advances made in the study of plant-microbe synergism, the relation between microbes and plant health in the context of food security, soil nutrient management, human and plant health is still largely unexplored. Addressing that gap, the book presents reviews and original research articles that highlight the latest discoveries in plant probiotics, their specificity, diversity and function. Additional sections addressing nutrient management, human health, and plant microbiome management to improve plant productivity round out the coverage.
Author: Marco A. Juarez-Estrada
Author: Marco A. Juarez-Estrada
Author: Tatiana Venkova
Author: Howard Garrett
Author: Stephen Wangen
Author: 
Author: Darryl Leslie Gopaul
Author: Lucas J. Stal
Author: Mark Twain
Author: Mike Berridge
Author: Vivek Kumar