Peptidoglycan of a Chemolithotrophic Bacterium, Ferrobacillus ferrooxidans

AUTOR(ES)

Wang, W. S.

RESUMO

The rigid layer (peptidoglycan) of the wall of the chemolithotroph Ferrobacillus ferrooxidans was isolated after various chemical treatments. The removal of specific components was followed by noting in an electron microscope changes in the appearance of the cell surface. The final peptidoglycan was virtually free from proteins and was sensitive to the action of lysozyme. Results of chemical analyses of acidhydrolyzed peptidoglycan revealed three major amino acids and two amino sugars: glutamic acid, α,ε-diaminopimelic acid, alanine, glucosamine, and muramic acid in a ratio of 1:1:2.33:062:088.

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