PhD (University of the Witwatersrand, South Africa)
GradCertEd in Higher Education (University of Queensland, Australia)
Biofilms; food microbiology; food safety; food science; food preservation; microbial ecology
Bacterial attachment, biofilm formation and control; Stress and survival in foodborne pathogens; Antimicrobial and physicochemical modulatory properties of phytochemicals; Microbial ecology of vertebrates and planst in natural and man-made environments
Selected Journal Papers
Goulter, R.M., Taran, E., Gentle, I.R., Gobius, K.S. and Dykes, G.A. (2014). Escherichia coli strains expressing H12 antigens demonstrate an increased ability to attach to abiotic surfaces as compared with E. coli strains expressing H7 antigens. Colloids and Surfaces B: Biointerfaces 119: 90-98.
Cheng, B.Y., Wong, S.P. and Dykes, G.A. (2014). Salmonella associated with captive and wild lizards in Malaysia. Herpetology Notes 7: 145-147.
Tan, S.M., Lee, S.M. and Dykes, G.A. (2014). Buffering effect of chicken skin and meat protects Salmonella enterica strains against hydrochloric acid but not organic acid treatment. Food Control 42: 329-334.
Teh, A.H.T., Wang, Y. and Dykes, G.A. (2014). The influence of antibiotic resistance gene carriage on biofilm formation by two Escherichia coli strains associated with urinary tract infections. Canadian Journal of Microbiology 60: 105-111.
Okpala, C.O.R., Choo, W.S. and Dykes, G.A. (2014). Quality and shelf life assessment of Pacific white shrimp (Litopenaeus vannamei) freshly harvested and stored on ice. LWT - Food Science and Technology 55: 110-116.
Tan, M.S.F., Wang, Y. and Dykes, G.A. (2013). Attachment of bacterial pathogens to a bacterial cellulose derived plant cell wall model: a proof of concept. Foodborne Pathogens and Disease 10: 992-994.
Al-Bulushi, I.M., Kasapis, S., Dykes, G.A., Al-Waili, H., Guizani, N. and Al-Oufi, H. (2013). Effect of frozen storage on the characteristics of a developed and commercial fish sausage. Journal of Food Science and Technology 50:1158–1164.
Al-Bulushi, I.M., Guizani, N. and Dykes, G.A. (2013). Effect of ambient storage on the microbial characteristics of traditional dried anchovies (Encrasicholina punctifer). African Journal of Microbiology Research 7: 3575-3581.
Tan, H.T., Dykes, G.A., Wu, T.Y. and Siow, L.F. (2013). Enhanced xylose recovery from oil palm empty fruit bunch by efficient acid hydrolysis. Applied Biochemistry and Biotechnology 170: 1602-1613.
Eglezos, S., Dykes, G.A., Huang, B., Turner, M.S. and Seale, R. (2013). Characterization of Listeria monocytogenes isolates from food processing facilities before and after post cook chiller heat treatment. Journal of Food Protection 76: 1466-1470.
Nguyen, V.T., Barlow, R.S., Turner, M.S., Fegan, N. and Dykes, G.A. (2013). Role of Campylobacter capsular polysaccharides (CPS) and lipooligosaccharides (LOS) in its surface properties and attachment to abiotic surfaces. Foodborne Pathogens and Disease 10: 507-503.
Wieczorek, K., Dykes, G.A., Osek, J. and Duffy, L.L. (2013). Antimicrobial resistance and genetic characterization of Campylobacter spp. from three countries. Food Control. 34: 84-91.
Wang, Y., Chung, F.F. L., Lee, S.M. and Dykes, G.A. (2013). Inhibition of attachment of oral bacterial to cultured human gingival fibroblasts by tea extracts and tea components. BMC Research Notes 6: 143.
Wang, Y., Lee, S.M. and Dykes, G.A. (2013). Potential mechanism of the effects of tea extracts on Streptococcus mutans attachment, biofilm formation and cell size. Biofouling 29: 307-318.
Chua, P.T.C. and Dykes, G.A. (2013). Attachment of foodborne pathogens to banana (Musa sp.) leaves. Food Control 32: 549-551.
Smith, W.M., Pham, T.H, Leie, L., Dou, J., Soomro, A.H., Beatson, S.A., Dykes, G.A. and Turner, M.S. (2012). Heat resistance and salt hypersensitivity in Lactococcus lactis due to spontaneous mutation of llmg_1816 (gdpP) induced by high-temperature growth. Applied and Environmental Microbiology 78: 7753-7759.
Hui, Y.W. and Dykes G.A. (2012). Modulation of cell surface hydrophobicity and attachment of bacteria to abiotic surfaces and shrimp by Malaysian herb extracts. Journal of Food Protection 75: 1507-1511.
Wan Norhana, M.N, Dykes, G.A., Padilah B., Ahmad Hazizi, A.A. and Masazurah A.R. (2012). Determination of quarantine period in African catfish (Clarias gariepinus) fed with pig (Sus sp.) offal to assure compliance with halal standards. Food Chemistry 135: 1268-1272.
Kosińska, A., Karama, M., Estrella, I., Hernández, T., Bartolomé, B. and Dykes, G.A. (2012). Phenolic compound profile and antioxidant capacity of Persea americana Mill. peels and seeds of two varieties. Journal of Food and Agricultural Chemistry 60: 4613-4619.
Wan Norhana, M.N., Poole, S., Deeth, H.C. and Dykes, G.A. (2012). Effects of nisin, EDTA and salts of organic acids on numbers of Listeria monocytogenes, Salmonella and native microflora on fresh vacuum packaged shrimps stored at 4oC. Food Microbiology 31: 43-50.
Duffy, L.L., Dykes, G.A. and Fegan, N. (2012). A review of the ecology, colonization and genetic characterization of Salmonella enterica serovar Sofia, a prolific but avirulent poultry serovar. Food Research International 45: 770-779.
Weerakkody, N.S., Smith, W.M., Mikkelsen, D., Waanders, J., Kerven, G., Caffin, N., Dykes, G.A. and Turner, M.S. (2012). Purified 1'acetoxychavicol acetate (1'ACA) from galangal spice affects membrane fatty acid composition and triggers a cell envelope stress response in Staphylococcus aureus. International Journal of Antimicrobial Agents 39: 269-271.
Nguyen, V.T., Fegan, N., Turner, M.S., and Dykes, G.A. (2012). The role of attachment to surfaces on the prevalence and survival of Campylobacter through the food system. Journal of Food Protection 75: 195-206.