· Yousif N.M.K., Hutch, M., Schuster, T., Cho, G.S., Dirar, H.A., Holzapfel, W.H., Franz, C.M.A.P. 2010. Diversity of lactic acid Bacteria from Hussuwa, a traditional African fermented sorghum food. Food Microbiology. 27:757-768
· Yousif, N.M.K., Dawyndt, P., Abriouel, H., Wijaya, A., Schillinger, U. Vancanneyt, M., Swings, J., Dirar, H.A., Holzapfel, W.H., and Franz, C.M.A.P. 2005. Molecular characterization, technological properties and safety aspects of enterococci from ‘Hussuwa’, an African fermented sorghum product. Journal of Applied Microbiology v. 98(1), p. 216-228, W1733
· Abriouel, H., Herrmann, A., Stärke, J., Yousif, N.M.K., Wijaya, A.
Tauscher, B., Holzapfel, W., and Franz, C.M.A.P. 2004. Cloning and heterologous expression of hematin-dependent catalase produced by Lactobacillus plantarum CNRZ 1228. Applied and Environmental Microbiology ISSN: 0099-2240 v. 70(1), p. 603-606, W1666
· Ben Omar N., Castro A., Lucas R., Abriouel H., Yousif N.M.K., C.M.A.P., Holzapfel, W.H., Perez-Pulido R., Martinez-Canamero M., and Galvez A. 2004. Functional and safety aspects of enterococci isolated from different Spanish foods. Systematic and Applied Microbiology ISSN: 0723-2020, v. 27(1), p. 118-130, W1688
· Wijaya, A., Herrmann, A., Abriouel, H., Specht, I., Yousif, N.M.K.
Holzapfel, W.H., and Franz, C.M.A.P.2004. Cloning of the bile salt hydrolase (bsh) gene from Enterococcus faecium FAIR-E 345 and chromosomal location of bsh genes in food enterococci. Journal of Food Protection
v. 67(12), p. 2772-2778, W1730
· Schillinger, U., Yousif, N.M.K., Sesar, L., and Franz, C.M.A.P. 2003. Use of group-specific and RAPD-PCR analyses for rapid differentiation of Lactobacillus strains from probiotic yogurts. Current Microbiology v. 47(6), p. 453-456, W1677
· Franz, C.M.A.P., Schillinger, U., Abriouel, H., Yousif, N.M.K., Wijaya, A.
and Holzapfel, W.H. 2002. Assoziation von Enterokokken mit Lebensmitteln. Hygiene und Mikrobiologie ISSN: 1433-3988 v. 6(2), p. 48-55, W1561
· Franz, C.M.A.P., Muscholl-Silberhorn, A.B., Yousif, N.M.K., Vancanneyt, M., Swings, J., and Holzapfel, W.H. 2001. Incidence of virulence factors and antibiotic resistance among enterococci isolated from food. Applied and Environmental Microbiology ISSN: 0099-2240 v. 67, 9, p. 4385-4389, W1496
· Yousif, N.M.K., Franz, C.M.A.P., Dirar, H. A. and Holzapfel, W.H. 2004. Hussuwa, a Sudanese Fermented Sorghum-based Food In: Handbook: Indigenous Fermented Food. Ed K.H Steinkraus (In printing when Prof Steinkraus passed away, Prof Ann Steinkraus now following up) Letter of acceptance attached
