When bacteria sense a quorum, they typically make more proteins involved in autoinducer production, which creates a positive feedback loop to maintain coordinated behaviors related to high population ...
An inoculating loop can be used to transfer bacteria. It is sterilised by heating it to red hot in a Bunsen flame, before and after use. To inoculate the agar, lift the lid of the Petri dish and tilt.
CHICAGO - Bacteria that can cause legionnaires' disease was detected in the drinking water at the EPA's Chicago Loop offices.