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Degradation of phenol by a halotolerant strain of Penicillium chrysogenum [An article from: International Biodeterioration & Biodegradation]
Book Details
PublisherElsevier
ISBN / ASINB000PDYLE8
ISBN-13978B000PDYLE2
AvailabilityAvailable for download now
MarketplaceUnited States 🇺🇸
Description
This digital document is a journal article from International Biodeterioration & Biodegradation, published by Elsevier in 2007. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
The lowest 50% lethal (effective) concentration, L(E)C"5"0, of phenol in a battery of seven microbiotests with species representing different trophic levels was 1-10mgl^-^1, classifying it as ''toxic''. A phenol-degrading microorganism was isolated from soil samples of the salt mine of Clona in Portugal, after enrichment in the presence of phenol and high salt concentration. Based on cultural and morphological characteristics, the strain CLONA2 was identified as belonging to Penicillium chrysogenum. It was found to be a halotolerant fungus able to grow in a nutrient-rich medium with 5.8% NaCl. It degraded at least 300mgl^-^1 phenol as sole source of carbon and energy, without accumulation of intermediates. The samples were also tested for toxicity using the Microtox^(R) assay. Data showed that P. chrysogenum CLONA2 could be effectively utilized to reduce phenol toxicity. The results suggest also that phenol under saline conditions can be successfully mineralized by P. chrysogenum CLONA2.
Description:
The lowest 50% lethal (effective) concentration, L(E)C"5"0, of phenol in a battery of seven microbiotests with species representing different trophic levels was 1-10mgl^-^1, classifying it as ''toxic''. A phenol-degrading microorganism was isolated from soil samples of the salt mine of Clona in Portugal, after enrichment in the presence of phenol and high salt concentration. Based on cultural and morphological characteristics, the strain CLONA2 was identified as belonging to Penicillium chrysogenum. It was found to be a halotolerant fungus able to grow in a nutrient-rich medium with 5.8% NaCl. It degraded at least 300mgl^-^1 phenol as sole source of carbon and energy, without accumulation of intermediates. The samples were also tested for toxicity using the Microtox^(R) assay. Data showed that P. chrysogenum CLONA2 could be effectively utilized to reduce phenol toxicity. The results suggest also that phenol under saline conditions can be successfully mineralized by P. chrysogenum CLONA2.
