Shirley A. Walker Walker, S. A., & Klaenhammer, T. R. (2001). Leaky Lactococcus cultures that externalize enzymes and antigens independently of culture lysis and secretion and export pathways. APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 67(1), 251–259. https://doi.org/10.1128/AEM.67.1.251-259.2001 Walker, S. A., & Klaenhammer, T. R. (2000). An explosive antisense RNA strategy for inhibition of a lactococcal bacteriophage. APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 66(1), 310–319. https://doi.org/10.1128/AEM.66.1.310-319.2000 Klaenhammer, T. R., Conkling, M. A., O'Sullivan, D., Djordjevic, G., Walker, S. A., & Taylor, C. G. (1998). Bacteriophage-triggered cell suicide systems and fermentation methods employing the same. Washington, DC: U.S. Patent and Trademark Office. Walker, S. A., Dombroski, C. S., & Klaenhammer, T. R. (1998). Common elements regulating gene expression in temperate and lytic bacteriophages of Lactococcus species. Applied and Environmental Microbiology, 64(3), 1147–1152. Walker, S. A., & Klaenhammer, T. R. (1998). Molecular characterization of a phage-inducible middle promoter and its transcriptional activator from the lactococcal bacteriophage phi 31. Journal of Bacteriology, 180(4), 921–931. Djordjevic, G. M., OSullivan, D. J., Walker, S. A., Conkling, M. A., & Klaenhammer, T. R. (1997). A triggered-suicide system designed as a defense against bacteriophages. JOURNAL OF BACTERIOLOGY, 179(21), 6741–6748. https://doi.org/10.1128/jb.179.21.6741-6748.1997 Vandenbergh, P. A., Walker, S. A., & Kunkar, B. S. (1997). Method of making a lactococcal bacteriocin. Washington, DC: U.S. Patent and Trademark Office.