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Purification and characterization of thermostable xylanase and beta-xylosidase by the thermophilic bacterium Bacillus thermantarcticus

Lama L;
2004
2004
Istituto di Chimica Biomolecolare - ICB - Sede Pozzuoli
WOS:000222007300010
155
283-28
Bacillus
Thermophilic
Antarctic
xylanase
beta-xylosidase
There are numerous reports of promising xylanase producing bacteria including Bacillus. Only a few of them have both xylanase and beta-xylosidase activities. Xylanase from Bacillus thermantarcticus had high thermophilia and thermostability. Xylanase and beta-xylosidase from B. thermanatarcticus show interesting properties for biotechnological applications, such as optimal pH and temperature activity, thermostability, the absence of cellulolytic activities and high portions of low-member xylooligomers. The latter are preferred in industrial applications and medicine. Moreover, both enzymes were induced by xylan, an inexpensive waste substrate useful on a commercial scale. The cost of the enzyme production is an important factor in the evaluation of its suitability for industrial application. B. thermanatarcticus growing on xylan as sole carbon source, has a characteristic xylan digestion system in two steps that is advantageous for recovery of hydrolysis products by modulating growth conditions and physico-chemical parameters.
5
info:eu-repo/semantics/article
262
Lama, L; Calandrelli, V; Gambacorta, A; Nicolaus, ; B,
01 Contributo su Rivista::01.01 Articolo in rivista
none
01.01 Articolo in rivista
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.14243/165021
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