Strains producing the well-characterized
merozoite surface antigen (MSA2), a surface protein of
Plasmodium falciparum, were tested, using a number of variants.
The antigen produced in the cells of L. lactis, L. reuteri,
and L. salivarius was associatedwith peptidoglycan of the live
cells by either covalent or noncovalent binding, or was located
on the surface of cells treated with trichloroacetic acid (TCA)