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Actinobacteria, a Source of Biocatalytic Tools
Actinobacteria (Actinomycetes) represent one of the largest and most diverse phyla among Bacteria. The remarkable diversity is displayed by various lifestyles, distinct morphologies, a wide spectrum of physiological and metabolic activities, as well as genetics. Interestingly, most Actinobacteria have a high GC-content (ranging from 51% to >70%) and belong to Gram-positive or Gram-variable type microbes. Many species are well known for large genomes which may be of linear style as in case of rhodococci or circular. Many of those harbor linear megaplasmids as a kind of genetic storage device. Frequently gene redundancy is reported and in most cases the evolutionary history or a functional rol...
Carbohydrate-Active Enzymes
Carbohydrate-active enzymes are responsible for both biosynthesis and the breakdown of carbohydrates and glycoconjugates. They are involved in many metabolic pathways; in the biosynthesis and degradation of various biomolecules, such as bacterial exopolysaccharides, starch, cellulose and lignin; and in the glycosylation of proteins and lipids. Carbohydrate-active enzymes are classified into glycoside hydrolases, glycosyltransferases, polysaccharide lyases, carbohydrate esterases, and enzymes with auxiliary activities (CAZy database, www.cazy.org). Glycosyltransferases synthesize a huge variety of complex carbohydrates with different degrees of polymerization, moieties and branching. On the o...
Asymmetric and Selective Biocatalysis
This Issue contains one communication, six articles, and two reviews. The communication from Paola Vitale et al. represents a work where whole cells were used as biocatalysts for the reduction of optically active chloroalkyl arylketones followed by a chemical cyclization to give the desired heterocycles. Among the various whole cells screened (baker’s yeast, Kluyveromyces marxianus CBS 6556, Saccharomyces cerevisiae CBS 7336, Lactobacillus reuteri DSM 20016), baker’s yeast provided the best yields and the highest enantiomeric ratios (95:5) in the bioreduction of the above ketones. In this respect, valuable chiral non-racemic functionalized oxygen-containing heterocycles (e.g., (S)-styren...
Biocatalytic Process Optimization
Biocatalysis is very appealing to the industry because it allows, in principle, the synthesis of products not accessible by chemical synthesis. Enzymes are very effective, as are precise biocatalysts, as they are enantioselective, with mild reaction conditions and green chemistry. Biocatalysis is currently widely used in the pharmaceutical industry, food industry, cosmetic industry, and textile industry. This includes enzyme production, biocatalytic process development, biotransformation, enzyme engineering, immobilization, the synthesis of fine chemicals and the recycling of biocatalysts. One of the most challenging problems in biocatalysis applications is process optimization. This Special Issue shows that an optimized biocatalysis process can provide an environmentally friendly, clean, highly efficient, low cost, and renewable process for the synthesis and production of valuable products. With further development and improvements, more biocatalysis processes may be applied in the future.
Advances in Applied Microbiology
Advances in Applied Microbiology, Volume 110, the latest release in this renowned series that provides a comprehensive and authoritative review in microbiology, includes updated chapters on Multi-species biofilms for resource recovery from wastewater, Chemical imaging of biofilms with luminescent sensors, Advances in yeast fermentation biotechnology, Bacterial evasion of host defense systems, A genomic analysis on stress-responses in C. glabrata and their relevance in pathogenesis and drug resistance, and more.
Natural Products from Actinomycetes
This book provides in-depth information about the ecology, diversity and applications of Actinomycetes. The book is divided into two major parts. The first part discusses the diversity, chemical biology and ecology of Actinomycetes. It also covers the discovery of natural products from soil, endophytic and marine-derived Actinomycetes. It includes natural product discovery, chemical biology, new methods for discovering secondary metabolites, structure elucidation and biosynthetic research of natural products. The chapters in this part focus on the effects of biological and chemical elicitation at molecular level on secondary metabolism in Actinomycetes. The second part of the book discusses ...
FLAVINS and FLAVOPROTEINS 2011
This book contains articles based on oral and poster presentations at the 17th International Symposium on Flavins and Flavoproteins, which was held July 24-29, 2011 at the University of California Berkeley in the USA. These triennial conferences highlight the latest advances in the field and the conference proceedings book serves both as documentation of the event and as a reference.
Golden Gate Cloning
Zusammenfassung: This volume provides an overview of the latest protocols that cover the full range of in silico, in vitro, and in vivo approaches to help researchers plan, design, and perform Golden Gate cloning experiments. The chapters in this book cover topics such as Golden Gate cloning of standardized parts; modular DNA construct design for high-throughput Golden Gate Assembly; Golden Gate cloning of Synthetic CRISPR RNA spacer sequences; Golden Gate cloning in Actinobacteria; and YeastFab cloning of toxic genes and protein expression optimization in yeast. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Cutting-edge and thorough, Golden Gate Cloning: Methods and Protocols is a valuable resource for all researchers interested in learning more about this important and developing field. Chapter 3 is available open access under a Creative Commons Attribution 4.0 International License via link.springer.com
