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Regulatory Elements in Tetracycline-Encoding Gene Clusters: the otcG Gene Positively Regulates the Production of Oxytetracycline in Streptomyces rimosus
type II polyketide synthase oxytetracycline biosynthesis Streptomyces rimosus
2010/2/1
The expression of bacterial polyketide synthase gene clusters is often controlled by a number of different families of regulatory proteins that can have either a pathway-specific or a pleiotropic mode...
Occurrence of tetracycline, chlortetracycline, and oxytetracycline residues in raw cow’s milk
residues tetracyclines milk
2014/3/7
The objective of this study was the detection of tetracycline, chlortetracycline and oxytetracycline residues in raw cow’s milk. When analysing bulk milk (n = 57) and tanker trailer’a (n = 113) sample...
Testing of Raw Milk for Tetracycline Residues
residues in milk tetracycline Charm HVS test bioassay
2008/3/28
A newly improved Bacillus calidolactis tube diffusion test and two postscreening test systems—a receptor assay (Charm HVS; Charm Sciences, Inc., Malden, MA) and a newly developed Bacillus cereus ATCC ...