Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/17390
Title: Secretion of ligninperoxidase by Penicillium citrinum, Fusarium oxysporum and Aspergillus terreus
Authors: Kumari, Meera
Yadav, R S S
Yadav, K D S
Issue Date: Jul-2002
Publisher: NISCAIR-CSIR, India
Abstract: Secretion of ligninperoxidase [E.C.1.11.1.7] by Penicillium citrinum, Fusarium oxysporum and Aspergillus terreus in liquid culture growth medium has been demonstrated. Enzymatic characteristics like Km , pH and temperature optima using veratryl alcohol as the organi c substrate of Iigni npcroxidases from above sources have been determined. Kill values using veratryl alcohol as substrate for enzymes from P. citrinum , F.oxysporum  and A. terreus were 69, 64 and 60μM respectively. Km values using H2O2 as the variable substrate were 64, 72 and 80μM.The pH optima were 4.0, 2.3 and 2.0 respectively.The values of temperature optima were 30°, 25° and 22 °C for the enzymes from P.citrinum, F.oxysporum and A.terreus respectively.
Page(s): 802-806
URI: http://hdl.handle.net/123456789/17390
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Appears in Collections:IJEB Vol.40(07) [July 2002]

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