Degradation kinetics of chlorpyrifos and 3,5,6-trichloro-2-pyridinol (TCP) by fungal communities.
Fungal isolates obtained from soil were used for degrading chlorpyrifos (CP) and TCP. The percentage degradation ranged from 69.4 to 89.8 for CP and 62.2 to 92.6 for TCP after one week. The values of K(s) and V(max) were different for different isolates. The K(s) ranged from 66.66 to 169.5mg/L and V(max) from 6.56 to 40.4 mg/L/d for CP and from 53.19 to 163.9 mg/L and 3.41 to 40.40 mg/L/d, respectively, for TCP. Fungal community showed high affinity for both CP and TCP. The genetic relatedness of isolate F1 to Aspergillus sp., F2 and F3 to Penicillium sp., F4 to Eurotium sp. and F5 to Emericella sp. were confirmed. The degradation potential was in the order: F1>F2=F3>F4>F5.
Department of Botany, Faculty of Science, Banaras Hindu University, Varanasi 221005, India.
K
K
Maya
S N
SN
Upadhyay
R S
RS
Singh
Suresh K
SK
Dubey
D001673:Biodegradation, Environmental; D018533:Biomass; D004390:Chlorpyrifos / Q000378:metabolism*; D021903:DNA, Ribosomal Spacer / Q000235:genetics; D005658:Fungi / Q000235:genetics / Q000254:growth & development / Q000302:isolation & purification / Q000378:metabolism*; D007306:Insecticides / Q000378:metabolism; D007700:Kinetics; D008969:Molecular Sequence Data; D010802:Phylogeny; D016133:Polymerase Chain Reaction; D011728:Pyridones / Q000378:metabolism*
D021903:DNA, Ribosomal Spacer; D007306:Insecticides; D011728:Pyridones; C012587:3,5,6-trichloro-2-pyridinol; D004390:Chlorpyrifos