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  • 1
    Electronic Resource
    Electronic Resource
    Oxidative degradation of 3,4-dimethoxybenzyl alcohol and its methyl ether by the lignin peroxidase of Phanerochaete chrysosporium (1989)
    s.l. : American Chemical Society
    Biochemistry 28 (1989), S. 1776-1783 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00430a053
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Comparison of ligninolytic activities of selected white-rot fungi (1988)
    Springer
    Applied microbiology and biotechnology 29 (1988), S. 400-407 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary Six fast growing ligninolytic white-rot fungi were compared with Phanerochaete chrysosporium. The results showed that the fungi have similar ligninolytic systems, although minor differences exist. Like in P. chrysosporium the ligninolytic system could be induced by veratryl alcohol in Coriolus versicolor and Chrysosporium pruinosum. These three lignin peroxidase producing fungi were the fastest lignin degraders in stationary cultures, whereas in agitated cultures Bjerkandera adusta showed highest lignin degradation rates. Metabolites accumulating during the degradation of veratryl alcohol were analyzed and compared. Peroxidase production seems to be a common feature of all the tested fungi. Polyclonal antibodies against the lignin peroxidase with pl of 4.65 from P. chrysosporium reacted with the extracellular peroxidases of C. pruinosum, C. versicolor and B. adusta, but not with those of Pleurotus ostreatus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00265826
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Crystallization of a Lignin Peroxidase from the White–Rot Fungus Phanerochaete Chrysosporium (1988)
    [s.l.] : Nature Publishing Company
    Nature biotechnology 6 (1988), S. 571-573 
    Details
    ISSN: 1546-1696
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: [Auszug] The major lignin peroxidase from carbon limited cultures of the white–rot fungus Phanerochaete chrysosporium was purified by isoelectric focusing and crystallized by the hanging drop method. The nature of the crystalline material as lignin peroxidase was established by solid–state ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nbt0588-571
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Isolation and characterization of substituted 4-hydroxy-cyclohex-2-enones as metabolites of 3,4-dimethoxybenzyl alcohol and its methyl ether in ligninolytic cultures of Phanerochaete chrysosporium (1993)
    Springer
    Applied microbiology and biotechnology 38 (1993), S. 674-680 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The metabolism of quinones formed in the enzymatic oxidation of veratryl alcohol (3,4-dimethoxybenzyl alcohol) (Ia) and its methyl ether Ib in ligninolytic cultures of Phanerochaete chrysosporium was studied. A metabolite of 2-hydroxymethyl-5-methoxy-2,5-cyclohexadiene-1,4-dione (IIa, formed from Ia by oxidation) was isolated and identified as cis-4-hydroxy-6-hydroxymethyl-3-methoxy-cyclohex-2-en-one (IVa), formally the reduced hydroquinone IIIa. The formation of IVa was also observed when both veratryl alcohol Ia or 2,5-dihydroxy-4-methoxybenzyl alcohol (IIIa), the hydroquinone of IIa, were used as substrates. Analogously, cis-4-hydroxy-3-methoxy-6-methoxymethyl-cyclohex-2-en-one (IVc) was isolated and identified as a metabolite from either 3,4-dimethoxybenzyl methyl ether (Ib) or from its oxidation product 5-methoxy-2-methoxymethyl-2,5-cyclohexadiene-1,4-dione (IIb) as well as from the corresponding hydroquinone 2,5-dihydroxy-4-methoxybenzyl methyl ether (IIIc). The physiological role of these unprecedented conversions is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00182809
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  • 5
    Electronic Resource
    Electronic Resource
    Comparison of two lignin-degrading fungi:Phlebia radiata andPhanerochaete chrysosporium (1988)
    Springer
    Applied microbiology and biotechnology 28 (1988), S. 193-198 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary The ligninolytic enzymes ofPhlebia radiata were produced in static conditions earlier developed forPhanerochaete chrysosporium. The production pattern of lignin peroxidases resembled that ofP. chrysosporium. The extracellular proteins ofPhlebia radiata were separated by isoelectric focusing. Four proteins with acidic isoelectric points (≤4.15) were detected by peroxidase staining. The peroxidases ofP. radiata reacted with antibodies produced against a peroxidase ofPhanerochaete chrysosporium and vice versa. Thus the lignin peroxidases of the two fungi have major similarities despite slight differences in their isoelectric points and molecular weights. Veratryl alcohol was produced by both fungi and degraded to veratraldehyde, two lactones and a quinone by the ligninolytic cultures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00694311
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  • 6
    Electronic Resource
    Electronic Resource
    Factors affecting lignin degradation in lignocellulose by Phanerochaete chrysosporium (1984)
    Springer
    Archives of microbiology 137 (1984), S. 171-175 
    Details
    ISSN: 1432-072X
    Keywords: Phanerochaete chrysosponium ; Lignin-degradation ; Oxygen partial pressure ; Lignocellulosic material ; Wood ; Straw
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Cultural conditions affecting lignin degradation by Phanerochaete chrysosporium in various lignocellulosic materials were studied in comparison to an isolated lignin preparation. With shallow mycelial cultures, the degradation of lignin in wood proceeded more slowly in a 100% O2-atmosphere than in an air atmosphere, indicating that pure oxygen was toxic to the fungus. The organism was able to degrade lignin efficiently even under 30% CO2 and 10% O2 concentrations. Evolution of 14CO2 from labelled lignocellulosic materials was shown not to be representative of total lignin degradation. Addition of glucose to the culture did not affect lignin degradation measured by 14CO2 evolution, whereas lignin degradation measured by Klason lignin method stopped completely (poplar) or slowed considerably (straw). Due to partial depolymerization of lignin to soluble products, measuring only the evolution of 14CO2 results in an underestimation of the total amount of lignin bioaltered. The soluble products from all of the tested lignocellulosic materials and from the isolated lignin had an average molecular weight of about 1,000 and the products could be further fractionated by ion exchange chromatography. The relative amount of these products could be varied from 15 to 45% from the original lignin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00414462
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  • 7
    Electronic Resource
    Electronic Resource
    Induction of Cellulases in chaetomium cellulolyticum by cellobiose (1985)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 27 (1985), S. 1389-1391 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The production of extracellular cellulases by Chaetomium cellulolyticum could be induced by slow feeding of cellobiose to the cultures. Both the rate of production and the amount of activity were comparable to that obtained in batch cultivation on cellulose. The specific filter paper activity of 2.06 U per mg protein was almost two times higher than that obtained in cellulose medium. Cellulases were not induced when glucose was slowly fed to the cultures. Changing the feed stream from glucose to cellobiose resulted in a rapid accumulation of cellulases. Thus cellobiose has a similar role in cellulase induction in C. cellulolyticum, as earlier shown for Trichoderma reesei.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260270918
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