Supported by the National Natural Science Foundation of China(Nos.41101226,50879029);the Technology Development Project of Jilin Province,China(Nos.201101020,20090415)
To find new extradiol dioxygenases(EDOs,EC 1.13.11.2),a metagenomics library was constructed from polychlorinated biphenyl-contaminated soil and was screened for some dioxygenase with aromatic ring cleavage activity...