Abstract
Autolysin-defective pneumococci secrete large quantities of choline-containing cell wall polymers into the growth medium during treatment with inhibitors of peptidoglycan synthesis. The secreted polymers were separated into three fractions by a combination of gel filtration on agarose and sodium dodecyl sulfate-gel electrophoresis. Fraction I had a high apparent molecular size and contained the Forssman antigen in complex with material exhibiting properties of cell wall teichoic acid. Choline-containing polymers of as yet uncharacterized structure were present in both fractions IIA and IIB, and fraction IIA also contained peptidoglycan components.
MeSH Terms
Antibodies, Bacterial
Cell Wall/drug effects,metabolism
Cycloserine/pharmacology
Penicillins/pharmacology
Polymers/analysis
Polysaccharides, Bacterial/immunology
Streptococcus pneumoniae/drug effects,metabolism,ultrastructure
Chemicals
Antibodies, Bacterial
Penicillins
Polymers
Polysaccharides, Bacterial
Cycloserine
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Hakenbeck R
Waks S
Tomasz A
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