If the tube is colorless (picture on the right) after the addition of Zn this indicates a positive test. In today's lab we will begin the characterization of Gram-negative bacilli. The nitrate test, ...

In Bacillus subtilis, three global regulatory ... also influences the activity of CodY. In some Gram-positive pathogens, CcpA and CodY proteins control virulence genes as well as metabolism ...

† VIMs are made up of 266 amino acid residues with the exception of VIM-7 (265 residues) and VIM-18 (262 residues). VIM-21, -22 and -27 have been assigned in the Lahey Clinic [201], but there ...

The most important endospore-forming bacteria are members of the genera Bacillus and Clostridium, both of which are Gram-positive rods. An endospore is a dense, multilayered structure that contains ...