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Neuroendocrine Control of Energy Homeostasis in Non-mammalian Vertebrates and Invertebrates
This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Nitrogen Fixation in Agriculture, Forestry, Ecology, and the Environment
Sustainability has a major part to play in the global challenge of continued development of regions, countries, and continents all around the World and biological nitrogen fixation has a key role in this process. This volume begins with chapters specifically addressing crops of major global importance, such as soybeans, rice, and sugar cane. It continues with a second important focus, agroforestry, and describes the use and promise of both legume trees with their rhizobial symbionts and other nitrogen-fixing trees with their actinorhizal colonization. An over-arching theme of all chapters is the interaction of the plants and trees with microbes and this theme allows other aspects of soil microbiology, such as interactions with arbuscular mycorrhizal fungi and the impact of soil-stress factors on biological nitrogen fixation, to be addressed. Furthermore, a link to basic science occurs through the inclusion of chapters describing the biogeochemically important nitrogen cycle and its key relationships among nitrogen fixation, nitrification, and denitrification. The volume then provides an up-to-date view of the production of microbial inocula, especially those for legume crops.
Fisheries Review
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Neurosteroids
Thirty years ago, the group of Baulieu and colleagues discovered that certain steroid hormones were present in higher amounts in the brain than in the plasma, and also found that suppression of circulating steroids by adrenalectomy and castration did not affect the concentration of pregnenolone, dehydroepiandrosterone and their sulfate esters in the rat brain. These seminal observations led to the concept that the brain, in very much the same way as the adrenal cortex, testis, ovary and placenta, was capable of synthesizing steroids. These brain born steroids, called neurosteroids, have been found to exert a vast array of biological activities. A number of steroidogenic enzymes have now been identified in the central nervous system by immunohistochemistry and in situ hybridization, and the neuronal and hormonal mechanisms regulating the biosynthesis of neurosteroids have been partially elucidated. The aim of this Research Topic is to celebrate three decades of research on neurosteroids by gathering a bouquet of review papers and original articles from leading scientists in the flourishing field of neurosteroids.
Future Intelligent Systems and Networks 2019
In this Special Issue, we present current developments and future directions of future intelligent systems and networks. This is the second Special Issue regarding the future of the Internet. This subject remains of interest for firms applying technological possibilities to promote more innovative business models. This Special Issue widens the application of intelligent systems and networks to firms so that they can evolve to more innovative models. The five contributions highlight useful applications, business models, or innovative practices based on intelligent systems and networks. We hope our findings become an inspiration for firms operating in various industries.
La gastronom¡a en tiempos de Cervantes
En 'La gastronomía en tiempos de Cervantes', Julio Valles, ingeniero, investigador sobre cocina histórica y dos veces Premio Nacional de Gastronomía, aborda cómo eran la alimentación y las costumbres culinarias en la época de Cervantes, concediendo, asimismo, un espacio importante al vino, la bebida por antonomasia del Siglo de Oro. El autor toma como punto de partida la obra literaria de Cervantes y la de otros literatos coetáneos, desgranando documentos históricos, fragmentos literarios, recetas de cocineros famosos y facilitando un extenso glosario de casi 1.300 términos de productos, platos, utensilios, pesos y medidas, entre otras cosas.
Soils, where food begins
The book of proceedings of the GSOIL4N contains the papers presented during the Global Symposium on Soils for Nutrition that was held from 26 to 29 July 2022. The papers provide the latest research findings and multisectoral insights which evidenced that nutrient imbalance is a global and crosscutting threat with multifactorial drivers and effects on the agrifood systems and even on key planetary processes.
