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This book provides a comprehensive overview of the cell cycle regulation and development in Alphaproteobacteria. Cell cycle and cellular differentiation are fascinating biological phenomena that are highly regulated in all organisms. In the last decades, many laboratories around the world have been investigating these processes in Alphaproteobacteria. This bacterial class comprises important bacterial species, studied by fundamental and applied research. The complexity of cell cycle regulation and many examples of cellular differentiations in this bacterial group represent the main motives of this book. The book starts with discussing the regulation of cell cycle in alphaproteobacterial spec...
La compréhension des mécanismes utilisés par les organismes pour percevoir les modifications de leur environnement, pour s'y adapter et réguler l'expression de leurs gènes représente un défi fondamental pour la biologie. La machinerie la plus usitée par les bactéries pour cette transduction du signal repose sur deux systèmes : le système de deux composantes (TCS pour two-component system) et le système de phosphorelais (PR). Chez les TCS, un senseur membranaire de type histidine kinase active par phosphorylation un régulateur cytoplasmique qui a une action analogue à celle d'un facteur de transcription. Dans le système PR, l'histidine kinase active un premier domaine receveur ...
This volume examines the interactions between plants and microorganisms located on plant surfaces, exploring their possible biotechnological applications. Interactions of microbial communities with plants are illustrated by experimental studies of typical symbiosis. Topics include signaling within a symbiosis, molecular differences between symbiotic and pathogenic microorganisms, and the role of microorganisms in the development of plants.
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This Soil Biology volume examines our current understanding of the mechanisms involved in the beneficial effects transferred to plants by endophytes such as rhizobial, actinorhizal, arbuscular mycorrhizal symbionts and yeasts. Topics presented include how symbiosis starts on the molecular level; chemical signaling in mycorrhizal symbiosis; genomic and functional diversity of endophytes; nitrogen fixation; nutrient uptake and cycling; as well as plant protection against various stress conditions. Further, the use of beneficial microorganisms as biopesticides is discussed, particularly the application of Plant Growth Promoter Rhizobacteria (PGPR) in agriculture with the aim to increase yields.
pt. 1. List of patentees.--pt. 2. Index to subjects of inventions.