Production of xylanolytic enzymes by an alkalitolerant Bacillus circulans strain

Marjaana Rättö; Kaisa Poutanen; Liisa Viikari

doi:10.1007/BF00180971

Production of xylanolytic enzymes by an alkalitolerant Bacillus circulans strain

Marjaana Rättö, Kaisa Poutanen, Liisa Viikari

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Abstract

Bacillus circulans VTT-E-87305 was found to be an efficient producer of endo-β-xylanase in alkaline media. The enzyme was induced by xylan. The highest activities, up to 6600 nkat/ml (400 IU/ml) were produced within 2 days. Extracellular β-xylosidase was also produced but the production of side-chain splitting enzymes (α-arabinosidase and acetylxylanesterase) and of cellulase was low. The pH optimum of the overall xylan saccharifying activity was 7.0 and 40% of the maximal activity was expressed at pH 9.0.

Original language	English
Pages (from-to)	470-473
Number of pages	4
Journal	Applied Microbiology and Biotechnology
Volume	37
Issue number	4
DOIs	https://doi.org/10.1007/BF00180971
Publication status	Published - 1992
MoE publication type	A1 Journal article-refereed

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10.1007/BF00180971

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title = "Production of xylanolytic enzymes by an alkalitolerant Bacillus circulans strain",

abstract = "Bacillus circulans VTT-E-87305 was found to be an efficient producer of endo-β-xylanase in alkaline media. The enzyme was induced by xylan. The highest activities, up to 6600 nkat/ml (400 IU/ml) were produced within 2 days. Extracellular β-xylosidase was also produced but the production of side-chain splitting enzymes (α-arabinosidase and acetylxylanesterase) and of cellulase was low. The pH optimum of the overall xylan saccharifying activity was 7.0 and 40\% of the maximal activity was expressed at pH 9.0.",

author = "Marjaana R{\"a}tt{\"o} and Kaisa Poutanen and Liisa Viikari",

year = "1992",

doi = "10.1007/BF00180971",

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pages = "470--473",

journal = "Applied Microbiology and Biotechnology",

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T1 - Production of xylanolytic enzymes by an alkalitolerant Bacillus circulans strain

AU - Rättö, Marjaana

AU - Poutanen, Kaisa

AU - Viikari, Liisa

PY - 1992

Y1 - 1992

N2 - Bacillus circulans VTT-E-87305 was found to be an efficient producer of endo-β-xylanase in alkaline media. The enzyme was induced by xylan. The highest activities, up to 6600 nkat/ml (400 IU/ml) were produced within 2 days. Extracellular β-xylosidase was also produced but the production of side-chain splitting enzymes (α-arabinosidase and acetylxylanesterase) and of cellulase was low. The pH optimum of the overall xylan saccharifying activity was 7.0 and 40% of the maximal activity was expressed at pH 9.0.

AB - Bacillus circulans VTT-E-87305 was found to be an efficient producer of endo-β-xylanase in alkaline media. The enzyme was induced by xylan. The highest activities, up to 6600 nkat/ml (400 IU/ml) were produced within 2 days. Extracellular β-xylosidase was also produced but the production of side-chain splitting enzymes (α-arabinosidase and acetylxylanesterase) and of cellulase was low. The pH optimum of the overall xylan saccharifying activity was 7.0 and 40% of the maximal activity was expressed at pH 9.0.

U2 - 10.1007/BF00180971

DO - 10.1007/BF00180971

M3 - Article

SN - 0175-7598

VL - 37

SP - 470

EP - 473

JO - Applied Microbiology and Biotechnology

JF - Applied Microbiology and Biotechnology

IS - 4

ER -

Production of xylanolytic enzymes by an alkalitolerant Bacillus circulans strain

Abstract

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