When ppGpp is either absent or high, HflB protease levels are high; this leads to lower CII (a lysogeny-promoting phage protein)
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(p)ppGpp, guanosine pentaphosphate or tetraphosphate is an alarmone which is involved in the stringent response in bacteria, causing the inhibition of RNA synthesis when there is a shortage of amino acids present.
Guanosine triphosphate | Guanosine diphosphate | Cyclic guanosine monophosphate | cyclic guanosine monophosphate |