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Xylanases, xylanase families and extremophilic xylanases.
Xylanases are hydrolytic enzymes which randomly cleave the beta 1,4 backbone of the complex plant cell wall polysaccharide xylan. Diverse forms of these enzymes exist, displaying varying folds,Expand
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Psychrophilic microorganisms: challenges for life
The ability of psychrophiles to survive and proliferate at low temperatures implies that they have overcome key barriers inherent to permanently cold environments. These challenges include: reducedExpand
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Cold-adapted enzymes: from fundamentals to biotechnology.
Psychrophilic enzymes produced by cold-adapted microorganisms display a high catalytic efficiency and are most often, if not always, associated with high thermosensitivity. Using X-rayExpand
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Some like it cold: biocatalysis at low temperatures.
In the last few years, increased attention has been focused on a class of organisms called psychrophiles. These organisms, hosts of permanently cold habitats, often display metabolic fluxes more orExpand
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A Novel Family 8 Xylanase, Functional and Physicochemical Characterization*
Xylanases are generally classified into glycosyl hydrolase families 10 and 11 and are found to frequently have an inverse relationship between their pI and molecular mass values. However, we haveExpand
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Molecular basis of cold adaptation.
Cold-adapted, or psychrophilic, organisms are able to thrive at low temperatures in permanently cold environments, which in fact characterize the greatest proportion of our planet. PsychrophilesExpand
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Activity, stability and flexibility in glycosidases adapted to extreme thermal environments.
To elucidate the strategy of low temperature adaptation for a cold-adapted family 8 xylanase, the thermal and chemical stabilities, thermal inactivation, thermodependence of activity andExpand
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Cold-Adapted Enzymes from Marine Antarctic Microorganisms
The Antarctic marine environment is characterized by challenging conditions for the survival of native microorganisms. Indeed, next to the temperature effect represented by the Arrhenius law, theExpand
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The Structure of a Cold-adapted Family 8 Xylanase at 1.3 Å Resolution
Enzymes from psychrophilic organisms differ from their mesophilic counterparts in having a lower thermostability and a higher specific activity at low and moderate temperatures. The current consensusExpand
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Use of glycoside hydrolase family 8 xylanases in baking
Xylanases have long been used in the baking industry for improving dough stability and flexibility and for increasing bread volume and crumb structure. Only xylanases from glycoside hydrolaseExpand
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