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Št. zadetkov: 8
Endolysins from Antarctic pseudomonas display lysozyme activity at low temperature
Marco Orlando, Sandra Pucciarelli, Marina Lotti
Izvirni znanstveni članek
Oznake: cold adaptation;cold-active enzyme;endolysin;glycoside hydrolase 19;
Organisms specialized to thrive in cold environments (so-called psychrophiles) produce enzymes with the remarkable ability to catalyze chemical reactions at low temperature. Cold activity relies on adaptive changes in the proteins’ sequence and structural organization that result in high conformatio ...
Leto: 2020 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
ǂThe ǂ“cold revolution”
Marco Mangiagalli, Stefania Brocca, Marco Orlando, Marina Lotti
Pregledni znanstveni članek
Oznake: antifreeze proteins;cold adaptation;cryopreservation;food science;molecular biology;
Psychrophilic organisms adapted to cold environments produce molecules of relevance for biotechnological application, in particular enzymes active at low temperatures and ice-binding proteins that control the growth of ice crystals. The use of cold-active enzymes supports low temperature processes t ...
Leto: 2020 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
ǂA ǂcold-active esterase enhances mesophilic properties through Mn[sup]2+ binding
Alessandro Marchetti, Marco Orlando, Marco Mangiagalli, Marina Lotti
Izvirni znanstveni članek
Oznake: cold adaptation;enzyme stability;GDSx esterases;psychrophilic enzymes;temperature adaptation;
A key aspect of adaptation to cold environments is the production of cold‐active enzymes by psychrophilic organisms. These enzymes not only have high activity at low temperatures, but also exhibit remarkable structural flexibility and thermolability. In this context, the role of metal ions has been ...
Leto: 2023 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
ǂThe ǂGH19 engineering database
Marco Orlando, Patrick C. F. Buchholz, Marina Lotti, Jürgen Pleiss
Izvirni znanstveni članek
Oznake: sequence alignment;hidden Markov models;chitin;protein sequencing;bacteriophages;multiple alignment calculation;peptidoglycans;fungal evolution;
The glycoside hydrolase 19 (GH19) is a bifunctional family of chitinases and endolysins, which have been studied for the control of plant fungal pests, the recycle of chitin biomass, and the treatment of multi-drug resistant bacteria. The GH19 domain-containing sequences (22,461) were divided into a ...
Leto: 2021 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Evolutionary history and activity towards oligosaccharides and polysaccharides of GH3 glycosidases from an Antarctic marine bacterium
Alessandro Marchetti, Marco Orlando, Luca Bombardieri, Salvatore Fusco, Marco Mangiagalli, Marina Lotti
Izvirni znanstveni članek
Oznake: glycoside hydrolases;marinomonas sp. ef1;cold-active enzymes;marine bacteria;oligosaccharides;polysaccharides degradation;
Glycoside hydrolases (GHs) are pivotal in the hydrolysis of the glycosidic bonds of sugars, which are the main carbon and energy sources. The genome of Marinomonas sp. ef1, an Antarctic bacterium, contains three GHs belonging to family 3. These enzymes have distinct architectures and low sequence id ...
Leto: 2024 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Polysaccharide degradation in an Antarctic bacterium
Marco Orlando, Alessandro Marchetti, Luca Bombardieri, Marina Lotti, Salvatore Fusco, Marco Mangiagalli
Izvirni znanstveni članek
Oznake: GH5;GH50;computational enzyme modelling;cold-active enzyme;
Glycoside hydrolases (GHs) are enzymes involved in the degradation of oligosaccharides and polysaccharides. The sequence space of GHs is rapidly expanding due to the increasing number of available sequences. This expansion paves the way for the discovery of novel enzymes with peculiar structural and ...
Leto: 2025 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
ǂThe ǂco-existence of cold activity and thermal stability in an Antarctic GH42 [beta]-galactosidase relies on its hexameric quaternary arrangement
Marco Mangiagalli, Michela Lapi, Serena Maione, Marco Orlando, Stefania Brocca, Alessandra Pesce, Alberto Barbiroli, Carlo Camilloni, Sandra Pucciarelli, Marina Lotti, Marco Nardini
Izvirni znanstveni članek
Oznake: cold adaptation;cooperativity;enzyme kinetics;glycoside hydrolase;psychrophilic enzyme;
To survive in cold environments, psychrophilic organisms produce enzymes endowed with high specific activity at low temperature. The structure of these enzymes is usually flexible and mostly thermolabile. In this work, we investigate the structural basis of cold adaptation of a GH42 β‐galactosidase ...
Leto: 2021 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Xylan degradation in the halotolerant bacterium Bacillus altitudinis relies on glycosidic hydrolases from families 11 and 30
Alessandro Marchetti, Marco Orlando, Stefania Digiovanni, Christos Christakis, Vasileios Tsopanakis, Nikolaos Arapitsas, Ioannis V. Pavlidis, Panagiotis F. Sarris, Marco Mangiagalli, Marina Lotti
Izvirni znanstveni članek
Oznake: glycoside hydrolases;Bacillus altitudinis SRL571;salt-tolerant enzymes;endophytic bacteria;polysaccharides degradation;
The breakdown of xylan, a major hemicellulose component, involves multiple xylanases.Bacillus altitudinis SRL571, a halotolerant endophytic bacterium, utilizes glucuronoxylan and xylose as its sole carbon and energy sources. Genome analysis revealed two sequences encoding putative secreted xylanolyt ...
Leto: 2025 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Št. zadetkov: 8
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