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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

prebiotic --- dietary fiber --- gut microbiota --- bovine milk oligosaccharides --- human milk oligosaccharides --- enzymatic glycosylation --- non-digestible carbohydrates --- cross feeding

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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 other hand, complex carbohydrate breakdown is carried out by glycoside hydrolases, polysaccharide lyases and carbohydrate esterases. Their interesting reactions have attracted the attention of researchers across scientific fields, ranging from basic research to biotechnology. Interest in carbohydrate-active enzymes is due not only to their ability to build and degrade biopolymers—which is highly relevant in biotechnology—but also because they are involved in bacterial biofilm formation, and in glycosylation of proteins and lipids, with important health implications. This book gathers new research results and reviews to broaden our understanding of carbohydrate-active enzymes, their mutants and their reaction products at the molecular level.

Research & information: general --- Biology, life sciences --- glycoside hydrolase --- xylanase --- carbohydrate-binding module --- CBM truncation --- halo-tolerant --- xylan hydrolysis --- pectate lyase --- Paenibacillus polymyxa --- pectins --- degradation --- Lactobacillus --- GH13_18 --- sucrose phosphorylase --- glycoside phosphorylase --- Ilumatobacter coccineus --- Thermoanaerobacterium thermosaccharolyticum --- crystallography --- galactosidase --- hydrolysis --- reaction mechanism --- complex structures --- cold-adapted --- GH2 --- Cellulase --- random mutagenesis --- cellulose degradation --- structural analysis --- α-amylase --- starch degradation --- biotechnology --- structure --- pyruvylation --- pyruvyltransferase --- exopolysaccharides --- capsular polysaccharides --- cell wall glycopolymers --- N-glycans --- lipopolysaccharides --- biosynthesis --- sequence space --- pyruvate analytics --- Nanopore sequencing --- ganoderic acid --- Bacillus thuringiensis --- biotransformation --- glycosyltransferase --- whole genome sequencing --- applied biocatalysis --- enzyme cascades --- chemoenzymatic synthesis --- sugar chemistry --- carbohydrate --- Leloir --- nucleotide --- Enzymatic glycosylation --- alkyl glycosides (AG)s --- Deep eutectic solvents (DES) --- Amy A --- alcoholysis --- methanol --- circular dichroism --- protein stability --- alpha-amylase --- biomass --- hemicellulose --- bioethanol --- xylanolytic enzyme --- hemicellulase --- lysozyme --- peptidoglycan cleavage --- avian gut GH22 --- crystal structure --- glycosylation --- UDP-glucose pyrophosphorylase --- UDP-glucose --- nucleotide donors --- Rhodococcus, Actinobacteria, gene redundancy --- Leloir glycosyltransferases --- activated sugar --- UTP --- thermophilic fungus --- β-glucosidases --- Chaetomium thermophilum --- protein structure --- fungal enzymes --- endo-α-(1→6)-d-mannase --- mannoside --- Mycobacterium --- lipomannan --- lipoarabinomannan --- phosphatidylinositol mannosides --- GH68 --- fructosyltransferase --- fructooligosaccharides --- FOS biosynthesis --- prebiotic oligosaccharides --- Arxula adeninivorans --- α-glucosidase --- maltose --- panose --- amylopectin --- glycogen --- inhibition by Tris --- transglycosylation --- glycoside hydrolyase --- Trichoderma harzianum --- complete saccharification --- lignocellulose --- N-acetylhexosamine specificity --- GH20 --- phylogenetic analysis --- NAG-oxazoline --- acceptor diversity --- lacto-N-triose II --- human milk oligosaccharides --- NMR --- molecular phylogeny --- α2,8-sialyltransferases --- polySia motifs --- evolution --- ST8Sia --- functional genomics --- glycoside hydrolase --- xylanase --- carbohydrate-binding module --- CBM truncation --- halo-tolerant --- xylan hydrolysis --- pectate lyase --- Paenibacillus polymyxa --- pectins --- degradation --- Lactobacillus --- GH13_18 --- sucrose phosphorylase --- glycoside phosphorylase --- Ilumatobacter coccineus --- Thermoanaerobacterium thermosaccharolyticum --- crystallography --- galactosidase --- hydrolysis --- reaction mechanism --- complex structures --- cold-adapted --- GH2 --- Cellulase --- random mutagenesis --- cellulose degradation --- structural analysis --- α-amylase --- starch degradation --- biotechnology --- structure --- pyruvylation --- pyruvyltransferase --- exopolysaccharides --- capsular polysaccharides --- cell wall glycopolymers --- N-glycans --- lipopolysaccharides --- biosynthesis --- sequence space --- pyruvate analytics --- Nanopore sequencing --- ganoderic acid --- Bacillus thuringiensis --- biotransformation --- glycosyltransferase --- whole genome sequencing --- applied biocatalysis --- enzyme cascades --- chemoenzymatic synthesis --- sugar chemistry --- carbohydrate --- Leloir --- nucleotide --- Enzymatic glycosylation --- alkyl glycosides (AG)s --- Deep eutectic solvents (DES) --- Amy A --- alcoholysis --- methanol --- circular dichroism --- protein stability --- alpha-amylase --- biomass --- hemicellulose --- bioethanol --- xylanolytic enzyme --- hemicellulase --- lysozyme --- peptidoglycan cleavage --- avian gut GH22 --- crystal structure --- glycosylation --- UDP-glucose pyrophosphorylase --- UDP-glucose --- nucleotide donors --- Rhodococcus, Actinobacteria, gene redundancy --- Leloir glycosyltransferases --- activated sugar --- UTP --- thermophilic fungus --- β-glucosidases --- Chaetomium thermophilum --- protein structure --- fungal enzymes --- endo-α-(1→6)-d-mannase --- mannoside --- Mycobacterium --- lipomannan --- lipoarabinomannan --- phosphatidylinositol mannosides --- GH68 --- fructosyltransferase --- fructooligosaccharides --- FOS biosynthesis --- prebiotic oligosaccharides --- Arxula adeninivorans --- α-glucosidase --- maltose --- panose --- amylopectin --- glycogen --- inhibition by Tris --- transglycosylation --- glycoside hydrolyase --- Trichoderma harzianum --- complete saccharification --- lignocellulose --- N-acetylhexosamine specificity --- GH20 --- phylogenetic analysis --- NAG-oxazoline --- acceptor diversity --- lacto-N-triose II --- human milk oligosaccharides --- NMR --- molecular phylogeny --- α2,8-sialyltransferases --- polySia motifs --- evolution --- ST8Sia --- functional genomics