Streptococcus pleomorphus sp.nov.: An Anaerobic Streptococcus Isolated Mainly from the Caeca of Birds

Summary: A new species Streptococcus pleomorphus is described. It is obligately anaerobic and classified in the genus Streptococcus because it is a Gram-positive coccus growing in pairs and chains, with a homolactic fermentation of glucose producing l-lactic acid. The GC content of the DNA is 39 mol%. The organism has been mainly isolated from chickens, turkeys and ducks.