the immunoglobulin m antibody response to the lipoteichoic acid ( lta ) of staphylococcus aureus atcc 6538p was examined by a procedure in which erythrocytes sensitized with periodate-activated lta were used for the detection of immunoglobulin m-producing plaque-forming cells lta-specific plaque-forming cells were first detected 2 days after immunization with heat-killed bacterial cells , and maximal numbers of plaque-forming cells , mostly of the immunoglobulin m class rather than the immunoblogulin g or immunoglobulin a class , were attained by day 4 ;
C0020861
immunoglobulin
C0021017
immunoglobulin