Xylanases, xylanase families and extremophilic xylanases

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ID: 291603
2004
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Ranked #41 of 100 articles by views in FEMS microbiology reviews

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Abstract
Xylanases are hydrolytic enzymes which randomly cleave the β 1,4 backbone of the complex plant cell wall polysaccharide xylan. Diverse forms of these enzymes exist, displaying varying folds, mechanisms of action, substrate specificities, hydrolytic activities (yields, rates and products) and physicochemical characteristics. Research has mainly focused on only two of the xylanase containing glycoside hydrolase families, namely families 10 and 11, yet enzymes with xylanase activity belonging to families 5, 7, 8 and 43 have also been identified and studied, albeit to a lesser extent. Driven by industrial demands for enzymes that can operate under process conditions, a number of extremophilic xylanases have been isolated, in particular those from thermophiles, alkaliphiles and acidiphiles, while little attention has been paid to cold-adapted xylanases. Here, the diverse physicochemical and functional characteristics, as well as the folds and mechanisms of action of all six xylanase containing families will be discussed. The adaptation strategies of the extremophilic xylanases isolated to date and the potential industrial applications of these enzymes will also be presented.
Reference Key
openalex_W2152756549 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Tony Collins, Charles Gerday, Georges Feller
Journal FEMS microbiology reviews
Year 2004
DOI
10.1016/j.femsre.2004.06.005
URL
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