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There was a long detection circle and higher cost in the quantitative detection of anaerobic deitrifying bacteria (ADNB) in the wastewater of bioreactor and oil field. To solve these issues, the ADNB-MPN-PCR method, combining polymerase chain reaction(PCR) technology with most probable number, was studied as a rapid quantitative detection method for ADNB. The bacterium solution directly used for PCR...
A high efficient aerobic denitrifying bacterium (G2) capable of rapid removal of NO3 and NO2 was isolated from activated sludge. The purpose of this work was to study the characteristics, pH and temperature effects of the isolated bacterium. The morphology of the isolated aerobic denitrifier G2 was a short bacillus, with average size of (0.3~0.6) mumtimes(1.4~3.0) mum. According to the 16S rDNA sequencing...
In order to determine the the effective components of bioflocculant in F2, the core sequence of exoL was amplified from the F2 genome by the method of the homologous sequence. exoL is one of the important genes in succinoglycan biosynthesis. The sequenced result indicated that the core sequence of exoL in F2 had 100% homology with the main sequence of exoL in Agrobacterium tumefaciens str. C58.The...
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