1. Casterton, J.W., Geesy, G.G., and Cheng, K.J., Bacterial biofilms in nature and disease, Annu. Rev. Microbiol., 1987, vol. 41, pp. 435–464.
2. Elhhariry, M.H., Biofilm formation by endosporeforming bacilli on plastic surface under some foodrelated and environmental stress condition, Global J. Biochem. Biotechnol., 2008, vol. 3, no. 2, pp. 69–78.
3. Iram, L., Ahmed, N., and Jahan, N., Biofilm formation and sporulation in Bacillus subtilis, Intern. J. Microbiol. Res. Rev., 2013, vol. 1, no. 4, pp. 061–067.
4. Branda, S.S., Chu, F., Kearns, D.B., Losick, R., and Kolter, R., A major protein component in the bacillus subtilis biofilm matrix, Mol. Microbiol., 2006, vol. 59, no. 4, pp. 1229–1238.
5. Lopez, D., Viamakis, H., Losick, R., and Kolter, R., Cannibalism enhances biofilm development in Bacillus subtilis, Mol. Microbiol., 2009, vol. 74, no. 3, pp. 609–618.