- II. Cationic lipid-formulated plasmid DNA-based Bacillus anthracis vaccine: evaluation of plasmid DNA persistence and integration potential. Vilalta, A., Mahajan, R.K., Hartikka, J., Leamy, V., Martin, T., Rusalov, D., Bozoukova, V., Lalor, P., Hall, K., Kaslow, D.C., Rolland, A. Hum. Gene Ther. (2005)