Download or read book Magnitude of the Oxidative Stress Response Influences Species Distributions written by Joanna Joyner Matos and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: Animals must employ diverse physiological strategies to survive in aquatic habitats with extreme or fluctuating abiotic factors. Whether these physiological strategies include the oxidative stress response, and whether ability to maintain an oxidative stress response influences species distribution, is not fully understood. In the research projects described in this dissertation, I take three approaches to addressing this topic. I first test whether abiotic factors typical of aquatic habitats cause a cellular stress response consistent with free radical production in the marine bivalve Donax variabilis. These results demonstrate that exposure to hydrogen sulfide causes an oxidative stress response in a non-sulfide-adapted bivalve and highlight the importance of examining seasonal variation in stress physiology. I next test whether organisms can mitigate the cellular-level damage associated with exposure to single or multiple stressful abiotic factors. This study was conducted in the estuarine bivalve, Mercenaria mercenaria. These results demonstrate that physiological strategies at higher levels of organization buffer the need for a cellular-level oxidative stress response in a stress-tolerant organism. Finally, I test whether the capacity to produce an oxidative stress response affects species distribution. This combined field and laboratory study of the freshwater bivalve Sphaerium sp. demonstrates that individuals in a population that overlies an environmental gradient show a variation in their ability to maintain a cellular stress response that reflects position along the gradient. These three interrelated studies demonstrate that abiotic factors found in aquatic habitats do cause oxidative stress and that ability to respond to the abiotic factors correlates with distribution.
Download or read book Abiotic Stress Mediated Sensing and Signaling in Plants An Omics Perspective written by Sajad Majeed Zargar and published by Springer. This book was released on 2018-02-20 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: The natural environment for plants is composed of a complex set of abiotic and biotic stresses; plant responses to these stresses are equally complex. Systems biology allows us to identify regulatory hubs in complex networks. It also examines the molecular “parts” (transcripts, proteins and metabolites) of an organism and attempts to combine them into functional networks or models that effectively describe and predict the dynamic activities of that organism in different environments. This book focuses on research advances regarding plant responses to abiotic stresses, from the physiological level to the molecular level. It highlights new insights gained from the integration of omics datasets and identifies remaining gaps in our knowledge, outlining additional focus areas for future crop improvement research. Plants have evolved a wide range of mechanisms for coping with various abiotic stresses. In many crop plants, the molecular mechanisms involved in a single type of stress tolerance have since been identified; however, in order to arrive at a holistic understanding of major and common events concerning abiotic stresses, the signaling pathways involved must also be elucidated. To date several molecules, like transcription factors and kinases, have been identified as promising candidates that are involved in crosstalk between stress signalling pathways. However, there is a need to better understand the tolerance mechanisms for different abiotic stresses by thoroughly grasping the signalling and sensing mechanisms involved. Accordingly, this book covers a range of topics, including the impacts of different abiotic stresses on plants, the molecular mechanisms leading to tolerance for different abiotic stresses, signaling cascades revealing cross-talk among various abiotic stresses, and elucidation of major candidate molecules that may provide abiotic stress tolerance in plants.
Download or read book Reactive Oxygen Species ROS Nanoparticles and Endoplasmic Reticulum ER Stress Induced Cell Death Mechanisms written by Loutfy H. Madkour and published by Academic Press. This book was released on 2020-06-27 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reactive Oxygen Species (ROS), Nanoparticles, and Endoplasmic Reticulum (ER) Stress-Induced Cell Death Mechanisms presents the role of ROS?mediated pathways cellular signaling stress, endoplasmic reticulum (ER) stress, oxidative stress, oxidative damage, nanomaterials, and the mechanisms by which metalloids and nanoparticles induce their toxic effects. The book covers the ecotoxicology of environmental heavy metal ions and free radicals on macromolecules cells organisms, heavy metals?induced cell responses, oxidative stress, the source of oxidants, and the roles of ROS, oxidative stress and oxidative damage mechanisms. It also examines the nanotoxicity, cytotoxicity and genotoxicity mechanisms of nanomaterials and the effects of nanoparticle interactions. Antioxidant defense therapy and strategies for treatment round out the book, making it an ideal resource for researchers and professional scientists in toxicology, environmental chemistry, environmental science, nanomaterials and the pharmaceutical sciences. Covers the ecotoxicology of environmental heavy metal ions and the interactions between specific heavy metals?induced cell responses and oxidative stress Provides a better understanding of the mechanism of nanomaterial-induced toxicity as a first defense for hazard prevention Covers recent advances in new nanomedication technologies for the effects of NPs on oxidative stress, ROS and ER stress Discusses the effects of interactions between antioxidant defense therapy, ROS and strategies for treatment
Download or read book Brain Aging written by David R. Riddle and published by CRC Press. This book was released on 2007-04-19 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recognition that aging is not the accumulation of disease, but rather comprises fundamental biological processes that are amenable to experimental study, is the basis for the recent growth of experimental biogerontology. As increasingly sophisticated studies provide greater understanding of what occurs in the aging brain and how these changes occur
Download or read book Encyclopedia of Agriculture and Food Systems written by Neal K. Van Alfen and published by Elsevier. This book was released on 2014-07-29 with total page 2745 pages. Available in PDF, EPUB and Kindle. Book excerpt: Encyclopedia of Agriculture and Food Systems, Second Edition, Five Volume Set addresses important issues by examining topics of global agriculture and food systems that are key to understanding the challenges we face. Questions it addresses include: Will we be able to produce enough food to meet the increasing dietary needs and wants of the additional two billion people expected to inhabit our planet by 2050? Will we be able to meet the need for so much more food while simultaneously reducing adverse environmental effects of today’s agriculture practices? Will we be able to produce the additional food using less land and water than we use now? These are among the most important challenges that face our planet in the coming decades. The broad themes of food systems and people, agriculture and the environment, the science of agriculture, agricultural products, and agricultural production systems are covered in more than 200 separate chapters of this work. The book provides information that serves as the foundation for discussion of the food and environment challenges of the world. An international group of highly respected authors addresses these issues from a global perspective and provides the background, references, and linkages for further exploration of each of topics of this comprehensive work. Addresses important challenges of sustainability and efficiency from a global perspective. Takes a detailed look at the important issues affecting the agricultural and food industries today. Full colour throughout.
Download or read book Antioxidants in Sport Nutrition written by Manfred Lamprecht and published by CRC Press. This book was released on 2014-09-17 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of antioxidants in sports is controversial due to existing evidence that they both support and hinder athletic performance. Antioxidants in Sport Nutrition covers antioxidant use in the athlete ́s basic nutrition and discusses the controversies surrounding the usefulness of antioxidant supplementation. The book also stresses how antioxidants may affect immunity, health, and exercise performance. The book contains scientifically based chapters explaining the basic mechanisms of exercise-induced oxidative damage. Also covered are methodological approaches to assess the effectiveness of antioxidant treatment. Biomarkers are discussed as a method to estimate the bioefficacy of dietary/supplemental antioxidants in sports. This book is useful for sport nutrition scientists, physicians, exercise physiologists, product developers, sport practitioners, coaches, top athletes, and recreational athletes. In it, they will find objective information and practical guidance.
Download or read book The Role of Organismal Oxidative Stress in the Ecology and Life History Evolution of Animals written by David Costantini and published by Springer Nature. This book was released on with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Response of Field Crops to Abiotic Stress written by Shuvasish Choudhury and published by CRC Press. This book was released on 2022-12-15 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: Response of Field Crops to Abiotic Stress: Current Status and Future Prospects is a collection of useful scientific resources for students, researchers, and academicians on diverse aspects of abiotic stress responses in field crops. The book provides its readers with a vivid understanding of abiotic stress responses in field crops by covering diverse aspects. It offers exhaustive explanations of the impact and responses of field crops to abiotic stresses. This book offers comprehensive coverage of: Climate change impact on field crops Arsenic and aluminium stress responses in field crops Drought, high temperature, and flooding stress responses in field crops Salinity and osmotic stress responses in field crops Heavy metal stress responses in field crops UV stress responses Elemental biofortification Reactive oxygen species (ROS) metabolism Nutraceutical and human health Computational modelling approaches for abiotic stresses in plants
Download or read book The Zoological Record written by and published by . This book was released on 1870 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Health of People Health of Planet and Our Responsibility written by Wael Al-Delaimy and published by Springer Nature. This book was released on 2020-05-13 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book not only describes the challenges of climate disruption, but also presents solutions. The challenges described include air pollution, climate change, extreme weather, and related health impacts that range from heat stress, vector-borne diseases, food and water insecurity and chronic diseases to malnutrition and mental well-being. The influence of humans on climate change has been established through extensive published evidence and reports. However, the connections between climate change, the health of the planet and the impact on human health have not received the same level of attention. Therefore, the global focus on the public health impacts of climate change is a relatively recent area of interest. This focus is timely since scientists have concluded that changes in climate have led to new weather extremes such as floods, storms, heat waves, droughts and fires, in turn leading to more than 600,000 deaths and the displacement of nearly 4 billion people in the last 20 years. Previous work on the health impacts of climate change was limited mostly to epidemiologic approaches and outcomes and focused less on multidisciplinary, multi-faceted collaborations between physical scientists, public health researchers and policy makers. Further, there was little attention paid to faith-based and ethical approaches to the problem. The solutions and actions we explore in this book engage diverse sectors of civil society, faith leadership, and political leadership, all oriented by ethics, advocacy, and policy with a special focus on poor and vulnerable populations. The book highlights areas we think will resonate broadly with the public, faith leaders, researchers and students across disciplines including the humanities, and policy makers.
Download or read book Avian Behavioral and Physiological Responses to Challenging Thermal Environments and Extreme Weather Events written by David L. Swanson and published by Frontiers Media SA. This book was released on 2022-11-03 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pharmaceuticals in Marine and Coastal Environments written by Juan Carlos Duran-Alvarez and published by Elsevier. This book was released on 2021-06-23 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pharmaceuticals in Marine and Coastal Environments: Occurrence, Effects, and Challenges in a Changing World is divided into three sections that address a) coastal areas as the main entrance of pharmaceuticals into the ocean, b) the occurrence and distribution of pharmaceuticals in the environmental compartments of the ocean media, and c) the effects that such pollutants may cause to the exposed marine organisms. With its comprehensive discussions, the book provides a wide depiction of the current state-of-the-art on these topics in an effort to open new sources of investigation and find suitable solutions. Includes maps edited by the Water Information Network System of the International Hydrological Program (IHP-WINS) Provides a compilation of information regarding the occurrence and distribution of pharmaceuticals in the marine environment which will help establish new and more efficient monitoring programs and new research lines Depicts the most important results of environmental risk assessments that can be used as a first step for further toxicological studies
Download or read book The Oxford Handbook of Exercise Psychology written by Edmund O. Acevedo and published by Oxford University Press, USA. This book was released on 2012-06-14 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Handbook is an authoritative and comprehensive presentation of the breadth and depth of empirical contributions utilizing state-of-the-science theories and approaches in exercise psychology. The information presented in this text highlights the public health challenge of increasing participation in physical activity to enhance physical and mental health.
Download or read book Mitochondrial Dysfunction written by Lawrence H. Lash and published by Elsevier. This book was released on 2013-10-22 with total page 527 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methods in Toxicology, Volume 2: Mitochondrial Dysfunction provides a source of methods, techniques, and experimental approaches for studying the role of abnormal mitochondrial function in cell injury. The book discusses the methods for the preparation and basic functional assessment of mitochondria from liver, kidney, muscle, and brain; the methods for assessing mitochondrial dysfunction in vivo and in intact organs; and the structural aspects of mitochondrial dysfunction are addressed. The text also describes chemical detoxification and metabolism as well as specific metabolic reactions that are especially important targets or indicators of damage. The methods for measurement of alterations in fatty acid and phospholipid metabolism and for the analysis and manipulation of oxidative injury and antioxidant systems are also considered. The book further tackles additional methods on mitochondrial energetics and transport processes; approaches for assessing impaired function of mitochondria; and genetic and developmental aspects of mitochondrial disease and toxicology. The text also looks into mitochondrial DNA synthesis, covalent binding to mitochondrial DNA, DNA repair, and mitochondrial dysfunction in the context of developing individuals and cellular differentiation. Microbiologists, toxicologists, biochemists, and molecular pharmacologists will find the book invaluable.
Download or read book Conservation Physiology for the Anthropocene Issues and Applications written by and published by Elsevier. This book was released on 2022-11-18 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conservation Physiology for the Anthropocene – A Systems Approach, Volume 39B in the Fish Physiology series, is a comprehensive synthesis related to the physiology of fish in the Anthropocene. This volume helps solve knowledge gaps by considering the many ways in which different physiological systems (e.g., sensory physiology, endocrine, cardio-respiratory, bioenergetics, water and ionic balance and homeostasis, locomotion/biomechanics, gene function) and physiological diversity are relevant to the management and conservation of fish and fisheries. Chapters in this release include Using physiology for recovering imperiled species – the Delta smelt, Conservation hatcheries – the Sturgeon story, Aquatic pollutants and stressors, and more. Other sections discuss Fisheries interactions in a multi-stressor world, Environmental change in riverine systems - Amazon basin stressors, Environmental change in lakes and wetlands – East African basin stressors, Coral reef fish in a multi-stressor world, Polar fish in a multi-stressor world, Physiology informs fisheries restoration and habitat management, A physiological perspective on fish passage and entrainment, Invasive species control and management – the sea lamprey story, and On the conservation physiology of fishes for tomorrow. Includes authoritative contributions from an international board of authors, each with extensive expertise in the conservation physiology of fish Provides the most up-to-date information on the ways in which different physiological systems are relevant to the management and conservation of fish and fisheries Presents the latest release in the Fish Physiology series Identifies how anthropogenic stressors perturb physiological systems Explores how different physiological systems can be exploited to solve conservation problems
Download or read book Sustainable Nanomaterials written by Imran Uddin and published by Springer Nature. This book was released on 2024 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: Zusammenfassung: This book brings together various topics of nanomaterials in various industrial applications to promote sustainable development practices. The first part of the book describes green nanotechnology for clean energy and environmental sustainability, which includes heavy metal detoxification from water, wastewater remediation, dye degradation, and bioremediation. The second part of the book covers sustainable biomedical applications of nanomaterials such as antibacterial activity and drug delivery systems, which includes the toxicological as well as the antibacterial impacts that nanoparticles have on microorganisms. The subsequent chapters discuss the roles of nanomaterials for sustainability in agriculture, crop protection, plant disease management, food technology (increasing the efficiency of the food industry), and the textile industry. The book caters to researchers and scientists who are interested in the utilization of nanomaterials to enhance sustainable industrial practices
Download or read book Marine Anthropogenic Litter written by Melanie Bergmann and published by Springer. This book was released on 2015-06-01 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes how man-made litter, primarily plastic, has spread into the remotest parts of the oceans and covers all aspects of this pollution problem from the impacts on wildlife and human health to socio-economic and political issues. Marine litter is a prime threat to marine wildlife, habitats and food webs worldwide. The book illustrates how advanced technologies from deep-sea research, microbiology and mathematic modelling as well as classic beach litter counts by volunteers contributed to the broad awareness of marine litter as a problem of global significance. The authors summarise more than five decades of marine litter research, which receives growing attention after the recent discovery of great oceanic garbage patches and the ubiquity of microscopic plastic particles in marine organisms and habitats. In 16 chapters, authors from all over the world have created a universal view on the diverse field of marine litter pollution, the biological impacts, dedicated research activities, and the various national and international legislative efforts to combat this environmental problem. They recommend future research directions necessary for a comprehensive understanding of this environmental issue and the development of efficient management strategies. This book addresses scientists, and it provides a solid knowledge base for policy makers, NGOs, and the broader public.
