Ligninolytic activity of Phanerochaete chrysosporium: Physiology of suppression by NH 4 + and l-glutamate

1981 ◽  
Vol 130 (1) ◽  
pp. 66-71 ◽  
Author(s):  
Patrick Fenn ◽  
Suki Choi ◽  
T. Kent Kirk
Keyword(s):  
Phanerochaete Chrysosporium ◽  
Ligninolytic Activity

Improvement in ligninolytic activity of Phanerochaete chrysosporium cultures by glucose oxidase

2016 ◽  
Vol 105 ◽  
pp. 332-338 ◽  
Author(s):  
Zahra Ansari ◽  
Afzal Karimi ◽  
Sirous Ebrahimi ◽  
Elham Emami
Keyword(s):  
Glucose Oxidase ◽  
Phanerochaete Chrysosporium ◽  
Ligninolytic Activity

scholarly journals Ethylene production from α-oxo-γ-methylthiobutyric acid is a sensitive measure of ligninolytic activity by Phanerochaete chrysosporium

1982 ◽  
Vol 206 (2) ◽  
pp. 423-425 ◽  
Author(s):  
R L Kelley ◽  
C A Reddy
Keyword(s):  
Hydroxyl Radical ◽  
Phanerochaete Chrysosporium ◽  
Ethylene Production ◽  
Oh Radical ◽  
Nutritional Parameters ◽  
Sensitive Measure ◽  
Ligninolytic Activity

Production of hydroxyl radical in ligninolytic cultures was determined by measuring the alpha-oxo-gamma-methylthiobutyric acid-dependent production of ethylene gas. The results showed that the pattern of ethylene production was very similar to that of ligninolytic activity [[14C]lignin leads to 14CO2). Furthermore, nutritional parameters, which are known to affect ligninolytic activity, affected OH.-radical-dependent ethylene production in a similar fashion. The results indicate that assay for ethylene production from alpha-oxo-gamma-methylthiobutyric acid is a simple and sensitive measure of ligninolytic activity by Phanerochaete chrysosporium.

Lignin degradation by Phanerochaete chrysosporium in agitated cultures

1985 ◽  
Vol 31 (1) ◽  
pp. 88-90 ◽  
Author(s):  
Ian D. Reid ◽  
Ema E. Chao ◽  
Peter S. S. Dawson
Keyword(s):  
Phanerochaete Chrysosporium ◽  
Lignin Degradation ◽  
Water Soluble ◽  
Aspen Wood ◽  
Ligninolytic Activity ◽  
Wood Particles

Contrary to previous reports, cultures of Phanerochaete chrysosporium agitated on a gyrotory shaker degraded synthetic lignin to CO2 approximately as rapidly and extensively as static cultures. Agitated cultures also degraded the lignin in aspen wood to CO2 and water-soluble products as well as static cultures, if the wood particles became enmeshed in the mycelium. An atmosphere of oxygen stimulated lignin degradation, compared with air, in both agitated and static cultures. The mycelia in agitated cultures with ligninolytic activity formed single, large pellets.

Decolorisation of natural organic matter by Phanerochaete chrysosporium: the effect of environmental conditions

2004 ◽  
Vol 4 (4) ◽  
pp. 175-182 ◽  
Author(s):  
K. Rojek ◽  
F.A. Roddick ◽  
A. Parkinson
Keyword(s):  
Organic Matter ◽  
Ionic Strength ◽  
Natural Organic Matter ◽  
Phanerochaete Chrysosporium ◽  
Fungal Growth ◽  
Low Ph ◽  
Colour Removal ◽  
Humic Material ◽  
Carbon And Nitrogen ◽  
Carbon And Nitrogen Content

Phanerochaete chrysosporium was shown to rapidly decolorise a solution of natural organic matter (NOM). The effect of various parameters such as carbon and nitrogen content, pH, ionic strength, NOM concentration and addition of Mn2+ on the colour removal process was investigated. The rapid decolorisation was related to fungal growth and biosorption rather than biodegradation as neither carbon nor nitrogen limitation, nor Mn2+ addition, triggered the decolorisation process. Low pH (pH 3) and increased ionic strength (up to 50 g L‒1 added NaCl) led to greater specific removal (NOM/unit biomass), probably due to increased electrostatic bonding between the humic material and the biomass. Adsorption of NOM with viable and inactivated (autoclaved or by sodium azide) fungal pellets occurred within 24 hours and the colour removal depended on the viability, method of inactivation and pH. Colour removal by viable pellets was higher under the same conditions, and this, combined with desorption data, confirmed that fungal metabolic activity was important in the decolorisation process. Overall, removals of up to 40–50% NOM from solution were obtained. Of this, removal by adsorption was estimated as 60–70%, half of which was physicochemical, the other half metabolically-dependent biosorption and bioaccumulation. The remainder was considered to be removed by biodegradation, although some of this may be ascribed to bioaccumulation and metabolically-dependent biosorption.

Decolorization and detoxification of different azo dyes by Phanerochaete chrysosporium ME-446 under submerged fermentation

2021 ◽  
Author(s):  
Alana Pereira de Almeida ◽  
Andrew Macrae ◽  
Bernardo Dias Ribeiro ◽  
Rodrigo Pires do Nascimento
Keyword(s):  
Phanerochaete Chrysosporium ◽  
Azo Dyes ◽  
Submerged Fermentation
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