A bacterial gene is the minimal contiguous stretch of DNA in a bacterium that contains the expressed and regulatory sequences sufficient to complement the function of a null mutation in trans.

The most common form of SBP involves ascitic fluid with a positive bacterial culture and a polymorphonuclear ... About 25% are Gram-positive cocci, mostly streptococcal species.

anaerobic gram-positive cocci, and Fusobacterium species. The presence of these bacteria is only "normal" if the titer of resident flora is low. When bacterial titers exceed 1000 colony forming ...