In media companies and in corporate communications, digital channels are being added to traditional channels. The content is often produced in newsrooms. There is a growing awareness that communication measures are radically oriented towards the needs of the user. In these change processes, special emphasis must be placed on involving the employees. Because only then will the change process be economically successful. This essential shows why media companies and communication departments need a live change culture and how they can approach change systematically.
Biologically active small molecules have increasingly been applied in plant biology to dissect and understand biological systems. This is evident from the frequent use of potent and selective inhibitors of enzymes or other biological processes such as transcription, translation, or protein degradation. In contrast to animal systems, which are nurtured from drug research, the systematic development of novel bioactive small molecules as research tools for plant systems is a largely underexplored research area. This is surprising since bioactive small molecules bear great potential for generating new, powerful tools for dissecting diverse biological processes. In particular, when small molecules are integrated into genetic strategies (thereby defining “chemical genetics”), they may help to circumvent inherent problems of classical (forward) genetics. There are now clear examples of important, fundamental discoveries originating from plant chemical genetics that demonstrate the power, but not yet fully exploited potential, of this experimental approach. These include the unraveling of molecular mechanisms and critical steps in hormone signaling, activation of defense reactions and dynamic intracellular processes. The intention of this Research Topic of Frontiers in Plant Physiology is to summarize the current status of research at the interface between chemistry and biology and to identify future research challenges. The research topic covers diverse aspects of plant chemical biology, including the identification of bioactive small molecules through screening processes from chemical libraries and natural sources, which rely on robust and quantitative high-throughput bioassays, the critical evaluation and characterization of the compound’s activity (selectivity) and, ultimately, the identification of its protein target(s) and mode-of-action, which is yet the biggest challenge of all. Such well-characterized, selective chemicals are attractive tools for basic research, allowing the functional dissection of plant signaling processes, or for applied purposes, if designed for protection of crop plants from disease. New methods and data mining tools for assessing the bioactivity profile of compounds, exploring the chemical space for structure–function relationships, and comprehensive chemical fingerprinting (metabolomics) are also important strategies in plant chemical biology. In addition, there is a continuing need for diverse target-specific bioprobes that help profiling enzymatic activities or selectively label protein complexes or cellular compartments. To achieve these goals and to add suitable probes and methods to the experimental toolbox, plant biologists need to closely cooperate with synthetic chemists. The development of such tailored chemicals that beyond application in basic research can modify traits of crop plants or target specific classes of weeds or pests by collaboration of applied and academic research groups may provide a bright future for plant chemical biology. The current Research Topic covers the breadth of the field by presenting original research articles, methods papers, reviews, perspectives and opinions.
In his photographs, Dieter Seitz narrates a journey that begins in the original nomad's land and ends in the cities of Kazakhstan, the homeland of today's urban nomads. Seitz is interested in the lives of people involved in the cultural interplay between East and West; between the Soviet Era and the new Kazakhstan; between revitalized folklore and the modern, consumer world. Impressions of still-visible devastation from the crisis years after 1991 can be found next to sensitive portraits; the many facets of this country full of various peoples of more than one hundred ethnicities are palpable in this volume. With a subjective eye, Seitz's photographs measure continuity, decay, and the comeback of a post-Soviet society, impressively tracing the cultural topography of one of the largest transformational societies in the heart of Eurasia. An essay by Markus Kaiser outlines the socio-cultural backgrounds of the development in Kazakhstan, right at the geopolitical intersection between Europe and Asia.
The trade routes connecting Europe and East Asia have fascinated scholars, traders, and adventurers throughout the centuries. Although its modern incarnation may lack the romantic aura of the fabled "Silk Road," the recent and rapid growth of private trade and commodity exchange has contributed significantly to a revival of the Silk-Road trade. This takes the form of long-distance petty trade across the newly established borders of states that were formerly part of the Soviet Union as well as into other neighboring countries--including Turkey, Iran, Afghanistan, Pakistan, and China, India, Korea, Thailand, and Malaysia. Like the old "Silk Road," the modern version is an agglomeration of different routes with different starting points, running through Central Asia and connecting Asia and Europe; it manifests evidence of the continuity in trading patterns on the Eurasian continent. Markus Kaiser is senior lecturer in development studies and research fellow of the Institute of Global Society Studies at the University of Bielefeld He serves as director of the Center for German and European Studies at the St. Petersburg State University.
Being physically active has the potential to contribute to the development of physical competence and fitness, as well as to the cognitive, social and emotional development of the child. Therefore, our schools are key in making a meaningful contribution to the recommended daily physical activity guidelines of the World Health Organization. Physical Education (PE) lessons play a critical role in holistic childhood education and development. To make a meaningful contribution to health at schools, it is important for PE classes to be conducted on a regular basis. Quality Physical Education (QPE) across all of the phases in school develops the skills, knowledge and values necessary for life-time physical activity participation.
KaziKidz Teaching Material for Foundation Phase, Grades 1-3: A short version of the teaching resources for Life Skills Teachers. Being physically active contributes to the development of physical competence and fitness as well as to the child’s cognitive, social and emotional development. Physical Education (PE) plays a crucial role in the holistic education and development of children. Yet, in many schools from marginalised neighbourhoods, PE is not given the recognition and importance it deserves. For this reason, the KaziKidz teaching material was developed for teachers, principals, school staff or for those responsible from the Department of Education, in order to contribute to and support the quality of PE in these schools. The exercises and games in this book are easy to use, do not require a lot of material and are met with much joy and enthusiasm by the learners. The teaching material was developed by a team of South African and Swiss experts. The lessons meet the requirements of the South African Curriculum and Assessment Policy Statement (CAPS) and are supported by the Department of Education, Eastern Cape. We hope you enjoy the lessons!
Ultra-Wideband Radio (UWB) earmarks a new radio access philosophy and exploits several GHz of bandwidth. It promises high data rate communication over short distances as well as innovative radar sensing and localization applications with unprecedented resolution. Fields of application may be found, among others, in industry, civil engineering, surveillance and exploration, for security and safety measures, and even for medicine. The book considers the basics and algorithms as well as hardware and application issues in the field of UWB radio technology for communications, localization and sensing based on the outcome of DFG's priority-funding program "Ultra-Wideband Radio Technologies for Communications, Localization and Sensor Applications (UKoLoS)".
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