Abstract：
:Fungal strain HU, isolated from activated sludge and identified as a member of the genus Cladosporium based on morphology and sequencing of 28S rRNA, was shown to degrade 90% of fenvalerate, fenpropathrin, β-cypermethrin, deltamethrin, bifenthrin, and permethrin (100 mgL(-1)) within 5 days. Fenvalerate was utilized as sole carbon and energy source and co-metabolized in the presence of sucrose. Degradation of fenvalerate occurred at pH 5-10 at 18-38°C. The fungus first hydrolyzed the carboxylester linkage to produce α-hydroxy-3-phenoxy-benzeneacetonitrile and 3-phenoxybenzaldehyde, and subsequently degraded these two compounds with a q(max), K(s) and K(i) of 1.73 d(-1), 99.20 mgL(-1) and 449.75 mgL(-1), respectively. Degradation followed first-order kinetics. These results show that the fungal strain may possess potential to be used in bioremediation of pyrethroid-contaminated environments.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Chen S,Hu Q,Hu M,Luo J,Weng Q,Lai Kdoi
10.1016/j.biortech.2011.06.055subject
Has Abstractpub_date
2011-09-01 00:00:00pages
8110-6issue
17eissn
0960-8524issn
1873-2976pii
S0960-8524(11)00882-0journal_volume
102pub_type
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