Thermostable .alpha.-L-arabinofuranosidase from Aureobasidium pu

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing compound containing saccharide radical

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435163, 435200, 435201, 4352551, 435911, C12P 1902, C12P 708, C12N 924, C12N 926, C12N 106

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active

058829059

ABSTRACT:
An .alpha.-L-arabinofuranosidase enzyme which is highly thermostable, and is effective for the hydrolysis of arabinofuranosyl residues from L-arabinose containing polysaccharides and hemicelluloses is disclosed. The enzyme is produced by color variant Aureobasidium pullulans strain NRRL Y-21792. This .alpha.-L-arabinofuranosidase may be used in conjunction with xylanolytic enzymes for the treatment of hemicellulosic materials to produce fermentable sugars, particularly xylose and L-arabinose.

REFERENCES:
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patent: 5688161 (1997-11-01), Rosenberg et al.
Myburgh et al. (1991a) J. Ferm. Bioeng., 72(2), "Production of Xylan-Hydrolyzing by Enzymes Aureobasidium pullulans", pp. 135-137.
Myburgh et al. (1991b) Proc. Biochem., 26(6), "The Temperature and pH Properties of the Extracellular Hemicellulose-Degrading Enzymes of Aureobasidium pullulans NRRL Y 2311-1", pp. 343-348.
Bastawde et al. (1994). J. Indust. Microbiol., 64(1), "Purification and Characterization of a Novel Thermostable .alpha.-L-Arabinofuranosidase from a Color-Variant Strain of Aureobasidium pullulans", pp. 216-220.
Saha et al. (1998) Appl. Environ. Microbiol., 64(1), "Purification and Characterization of a Novel Thermostable .alpha.-L-Arabinofuranosidase from a Color-Variant Strain of Aureobasidium pullulans", pp. 216-220.
Biely et al. (1997) Folia Microbiol., 41(3), "Relation Between the Production of Xylanases and Mannanases in Aureobasidium pullulans", p. 278 .

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