Effect of carbon, nitrogen sources and inducers on ligninolytic enzyme production by Morchella crassipes

Original Paper


The effect of different carbon, nitrogen sources and inducers on growth and ligninolytic activity by Morel mushroom Morchella crassipes was investigated. The maximum growth was observed in mineral salts broth containing glucose as the carbon source and sodium nitrate as the nitrogen source. Among the inducers, chemical inducers inhibited the growth whereas in natural substrates, growth was not affected much. Manganese peroxidase and lignin peroxidase activity were not detected in the medium with different carbon and nitrogen sources, whereas laccase activity varied depending on carbon source (0.7–3.48 U/ml). Among the inducers, natural inducers resulted in an increase in the enzyme activities. Maximum laccase activity was observed in rice straw (12. 6 U/ml) followed by ABTS (11.6 U/ml); Manganese peroxidase activity was maximum in rice straw (14.32 U/l) wheat straw (12.16 U/l) and phenol red (15 U/l) as the inducers, whereas for Lignin peroxidase activity, rice straw (22 U/l), wheat straw (16 U/l) and veratrylalcohol (20 U/l) served as the best inducers.


Morel ABTS Laccase Manganese peroxidase Lignin peroxidase 


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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  1. 1.Department of BiotechnologyThapar UniversityPatialaIndia

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