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. 1957 Feb 1;105(2):153-9.
doi: 10.1084/jem.105.2.153.

Examination of the L forms of group A streptococci for the group-specific polysaccharide and M protein

J T SHARP, W HIJMANS, L DIENES

Examination of the L forms of group A streptococci for the group-specific polysaccharide and M protein

J T SHARP et al. J Exp Med. .

Abstract

Two strains of L forms of group A streptococci were examined for group-specific polysaccharide and found to lack this substance. One of these was found to make a substance that had several properties in common with M protein. It is suggested that the absence of the cell wall polysaccharide is responsible for the lack of rigidity of the L form and that the L form of this species closely resembles protoplasts as prepared from other species.

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