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UW-Madison Food Research Institute
Pictures of ACW Amy C. Wong

Core Executive Committee, Food Research Institute
Professor Emeritus, Department of Bacteriology, UW-Madison

3552 Microbial Sciences Building
1550 Linden Drive
(608) 263-7777

  • BA 1971, Wellesley College
  • MS 1973, University of Wisconsin–Madison
  • MS 1977, University of Wisconsin–Madison
  • PhD 1987, University of Wisconsin–Madison


recent publication Shiroda M, Pratt ZL, Döpfer D, Wong AC, Kaspar CW. 2014. RpoS impacts the lag phase of Salmonella enterica during osmotic stress. FEMS Microbiol. Lett. :
Stasic AJ, Wong AC, Kaspar CW. 2012. Osmotic and Desiccation Tolerance in Escherichia coli O157:H7 Requires rpoS (σ(38)). Curr. Microbiol. 65(6):660-5
Pratt ZL, Chen B, Czuprynski CJ, Wong AC, Kaspar CW. 2012. Characterization of osmotically induced filaments of Salmonella enterica. Appl. Environ. Microbiol. 78(18):6704-13 (PMC3426695)
Stackhouse RR, Faith NG, Kaspar CW, Czuprynski CJ, Wong AC. 2012. Survival and virulence of Salmonella enterica serovar enteritidis filaments induced by reduced water activity. Appl. Environ. Microbiol. 78(7):2213-20 (PMC3302626)
Jampala SN, Sarmadi M, Somers EB, Wong AC, Denes FS. 2008. Plasma-enhanced synthesis of bactericidal quaternary ammonium thin layers on stainless steel and cellulose surfaces. Langmuir 24(16):8583-91
Hsueh YH, Somers EB, Wong AC. 2008. Characterization of the codY gene and its influence on biofilm formation in Bacillus cereus. Arch. Microbiol. 189(6):557-68
Hsueh YH, Somers EB, Lereclus D, Ghelardi E, Wong AC. 2007. Biosurfactant production and surface translocation are regulated by PlcR in Bacillus cereus ATCC 14579 under low-nutrient conditions. Appl. Environ. Microbiol. 73(22):7225-31 (PMC2168185)
Huang TP, Wong AC. 2007. A cyclic AMP receptor protein-regulated cell-cell communication system mediates expression of a FecA homologue in Stenotrophomonas maltophilia. Appl. Environ. Microbiol. 73(15):5034-40 (PMC1951048)
Dong B, Jiang H, Manolache S, Wong AC, Denes FS. 2007. Plasma-mediated grafting of poly(ethylene glycol) on polyamide and polyester surfaces and evaluation of antifouling ability of modified substrates. Langmuir 23(13):7306-13
Hsueh YH, Somers EB, Lereclus D, Wong AC. 2006. Biofilm formation by Bacillus cereus is influenced by PlcR, a pleiotropic regulator. Appl. Environ. Microbiol. 72(7):5089-92 (PMC1489338)
Huang TP, Somers EB, Wong AC. 2006. Differential biofilm formation and motility associated with lipopolysaccharide/exopolysaccharide-coupled biosynthetic genes in Stenotrophomonas maltophilia. J. Bacteriol. 188(8):3116-20 (PMC1446987)
Schoeni JL, Wong AC. 2005. Bacillus cereus food poisoning and its toxins. J. Food Prot. 68(3):636-48
Somers EB, Wong AC. 2004. Efficacy of two cleaning and sanitizing combinations on Listeria monocytogenes biofilms formed at low temperature on a variety of materials in the presence of ready-to-eat meat residue. J. Food Prot. 67(10):2218-29
Manolache S, Somers EB, Wong AC, Shamamian V, Denes F. 2001. Dense medium plasma environments: a new approach for the disinfection of water. Environ. Sci. Technol. 35(18):3780-5
Somers EB, Johnson ME, Wong AC. 2001. Biofilm formation and contamination of cheese by nonstarter lactic acid bacteria in the dairy environment. J. Dairy Sci. 84(9):1926-36
Beecher DJ, Wong AC. 2000. Cooperative, synergistic and antagonistic haemolytic interactions between haemolysin BL, phosphatidylcholine phospholipase C and sphingomyelinase from Bacillus cereus. Microbiology (Reading, Engl.) 146 P:3033-9
Beecher DJ, Olsen TW, Somers EB, Wong AC. 2000. Evidence for contribution of tripartite hemolysin BL, phosphatidylcholine-preferring phospholipase C, and collagenase to virulence of Bacillus cereus endophthalmitis. Infect. Immun. 68(9):5269-76 (PMC101788)
Beecher DJ, Wong AC. 2000. Tripartite haemolysin BL: isolation and characterization of two distinct homologous sets of components from a single Bacillus cereus isolate. Microbiology (Reading, Engl.) 146 (:1371-80
Schoeni JL, Wong AC. 1999. Heterogeneity observed in the components of hemolysin BL, an enterotoxin produced by Bacillus cereus. Int. J. Food Microbiol. 53(2-3):159-67
Wong AC. 1998. Biofilms in food processing environments. J. Dairy Sci. 81(10):2765-70
Farrell BL, Ronner AB, Wong AC. 1998. Attachment of Escherichia coli O157:H7 in ground beef to meat grinders and survival after sanitation with chlorine and peroxyacetic acid. J. Food Prot. 61(7):817-22
Su YC, Wong AC. 1998. Production of staphylococcal enterotoxin H under controlled pH and aeration. Int. J. Food Microbiol. 39(1-2):87-91
Beecher DJ, Wong AC. 1997. Tripartite hemolysin BL from Bacillus cereus. Hemolytic analysis of component interactions and a model for its characteristic paradoxical zone phenomenon. J. Biol. Chem. 272(1):233-9
Su YC, Wong AC. 1996. Detection of staphylococcal enterotoxin H by an enzyme-linked immunosorbent assay. J. Food Prot. 59(3):327-30
Beecher DJ, Schoeni JL, Wong AC. 1995. Enterotoxic activity of hemolysin BL from Bacillus cereus. Infect. Immun. 63(11):4423-8 (PMC173629)
Dewanti R, Wong AC. 1995. Influence of culture conditions on biofilm formation by Escherichia coli O157:H7. Int. J. Food Microbiol. 26(2):147-64
Su YC, Wong AC. 1995. Identification and purification of a new staphylococcal enterotoxin, H. Appl. Environ. Microbiol. 61(4):1438-43 (PMC167401)
Beecher DJ, Pulido JS, Barney NP, Wong AC. 1995. Extracellular virulence factors in Bacillus cereus endophthalmitis: methods and implication of involvement of hemolysin BL. Infect. Immun. 63(2):632-9 (PMC173042)
Schoeni JL, Glass KA, McDermott JL, Wong AC. 1995. Growth and penetration of Salmonella enteritidis, Salmonella heidelberg and Salmonella typhimurium in eggs. Int. J. Food Microbiol. 24(3):385-96
Beecher DJ, Wong AC. 1994. Identification and analysis of the antigens detected by two commercial Bacillus cereus diarrheal enterotoxin immunoassay kits. Appl. Environ. Microbiol. 60(12):4614-6 (PMC202031)
Somers EB, Schoeni JL, Wong AC. 1994. Effect of trisodium phosphate on biofilm and planktonic cells of Campylobacter jejuni, Escherichia coli O157: H7, Listeria monocytogenes and Salmonella typhimurium. Int. J. Food Microbiol. 22(4):269-76
Beecher DJ, Wong AC. 1994. Identification of hemolysin BL-producing Bacillus cereus isolates by a discontinuous hemolytic pattern in blood agar. Appl. Environ. Microbiol. 60(5):1646-51 (PMC201531)
Behling RG, Wong AC. 1994. Competitive exclusion of Salmonella enteritidis in chicks by treatment with a single culture plus dietary lactose. Int. J. Food Microbiol. 22(1):1-9
Schoeni JL, Wong AC. 1994. Inhibition of Campylobacter jejuni colonization in chicks by defined competitive exclusion bacteria. Appl. Environ. Microbiol. 60(4):1191-7 (PMC201458)
Beecher DJ, Wong AC. 1994. Improved purification and characterization of hemolysin BL, a hemolytic dermonecrotic vascular permeability factor from Bacillus cereus. Infect. Immun. 62(3):980-6 (PMC186213)
Wong AC, Bergdoll MS. 1990. Effect of environmental conditions on production of toxic shock syndrome toxin 1 by Staphylococcus aureus. Infect. Immun. 58(4):1026-9 (PMC258577)