... convert to CH4. This is particularly prominent after inges- tion of beans, which have a polysaccharide not handled by digestive enzymes of humans. 90 Mims& apos; Pathogenesis of Infectious Disease ... Mires' Pathogenesis of Infectious Disease (see pp. 7 7-7 8) and serum amyloid protein, which undergo 1000-fold increases in concentration, as well as mannose-binding protein, hapto- globulins (a2-glycoproteins), ... Mol. Microbiol. 30, 91 1-9 21. Gaastra, W. and Svennerholm, A. M. (1996). Colonization factors of human enterotoxigenic Escherichia coli (ETEC). Trends Microbiol. 4, 44 4- 4 52. Gordon, H. A. and...