Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:1.10.3.2 (laccase)
 4,656 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Mushrooms are able to secrete lignin peroxidase (LiP) and manganese peroxidase (MnP), and able to use the cellulose as sources of carbon. This article focuses on the relation between peroxidase-secreting capacity and cultivation period of mushrooms with non-laccase activity. Methylene blue and methyl catechol qualitative assay and spectrophotometry quantitative assay show LiP secreting unvaryingly accompanies the MnP secreting in mushroom strains. The growth rates of hyphae are detected by detecting the dry hyphal mass. We link the peroxidase activities to growth rate of mushrooms and then probe into the relationship between them. The results show that there are close relationships between LiP- and/or MnP-secretory capacities and the cultivation periods of mushrooms. The strains with high LiP and MnP activities have short cultivation periods. However, those strains have long cultivation periods because of the low levels of secreted LiP and/or MnP, even no detectable LiP and/or MnP activity. This study provides the first evidence on the imitate relation between the level of secreted LiP and MnP activities and cultivation periods of mushrooms with non-laccase activity. Our study has significantly increased the understanding of the role of LiP and MnP in the growth and development of mushrooms with non-laccase activity.
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PMID:The relationship between lignin peroxidase and manganese peroxidase production capacities and cultivation periods of mushrooms. 2296 60

Cultivation of Hypsizygus ulmarius to generate spent mycelium substrate (SMS) for dye decolourization gave better yield, biological efficiency, fruitwidth and moisture content (145 gm, 33%, 4 cm, 91%) on paddy straw as compared to coconut husk (59 gm, 21%, 3 cm, 90%). Solid-phase decolourization of Congo red (Azo dye) and Methylene blue (Heterocyclic dye) showed that maximum decolourization (3.31), measured as Decolourization Index, occurred at dye concentration of 25 mg l(-1), while in Solochrome black (Reactive dye), it was at 100 mg l(-1) (1.7). Time taken for maximum decolourization was 10 days in Congo red and Solochrome black; 20 days in Methylene blue. Decolourization Index was maximum in Methylene blue (3.1), followed by Congo red (1.9) and Solochrome black (1.2). Liquid-phase decolourization of Methylene blue and Solochrome black showed that maximum decolourization (62.5%) measured as percent decolourization occurred at 25 mg l(-1), while it was at 50 mg l(-1) (36%) for Congo red. Time taken for maximum decolourization for all three dyes was 10 days. During this period, the percent decolourization was maximum in Methylene blue (91.3%), followed by Solochrome black (82.2%) and Congo red (79.7%). Decolourization potential in solid-phase was observed till 100 mg l(-1) and day 25 for all the three dyes, however, in liquid-phase it was observed till 50 mg I(-1) and day 20 for Congo red, 75 mg l(-1) and day 10 for Solochrome black, 100 mg I(-1) and day 20 for Methylene blue. Maximum laccase was produced on day 25 during decolourization of 25 mg I(-1) Congo red, while maximum Manganese peroxidase was noted on day 20 at 50 mg l(-1) Congo red.
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PMID:Decolourization of azo, heterocyclic and reactive dyes using spent mycelium substrate of Hypsizygus ulmarius. 2652 48