1. Hisham N Altayb1, Nagwa M El Amin2, Maowia M. Mukhtar1, Mohamed A. Hassan3 and Mohamed A M Siddig4. Molecular Characterization of CTX-M Beta-Lactamases Genes among Pathogenic Enterobacteriaceae isolated from different regions in Sudan (in progress).

2. Hisham N Altayb1, Nagwa M El Amin2, Maowia M. Mukhtar1, Mohamed A. Hassan3 and Mohamed A M Siddig4. Detection of novel SHV Extended-Spectrum Beta-Lactamase gene mutation in Klebsiella pneumoniae isolated from patient in Eastern Sudan. Current Research in Microbiology and Biotechnology Vol. 3, No. 1 (2015): 542-549. Research Article. Open Access ISSN: 2320-2246

3. Hisham N Altayb, Nagwa, M El Amin, Maowia M. Mukhtar, Mohamed Ahmed Salih, Mohamed A M Siddig, 2014. Molecular Characterization and in Silico Analysis of a Novel Mutation in TEM-1 Beta-Lactamase Gene among Pathogenic E. coli infecting a Sudanese Patient. Am. J. Microbiol. Re. 2( 6): 217-223.

4. Yousif, M. T., Al-Mustafa, S. A., and Siddig, M. A. M, 2011. Enzymatic activity, herbicide resistance and plasmid characteristics of the indigenous Agrobacteriumtumefaciens SDB 0012. Arab J. Biotech., 14 (1): 89-100.

5. El Hussein A. A., Nor Elmadiena, M. M., Elsaid, S. M., Siddig, M.A.M., Muckle, C.A., Cole, L., Wilkie, E. and Mistry, K., 2010. Prevalence of Salmonella enterica subspecies enterica serovars in Khartoum State, Sudan. Res. J. Microbiol. 5:966-973
6. El-Hussein, A.A., S.A. Tawfig, S.G. Mohammed, M.A. El-Siddig and M.A.M. Siddig, 2009. Citric acid production from Kenana cane molasses by Aspergillus niger in submerged fermentation. J. Genetic Engineering and Biotechnology, (2): 51-57.

7. El Siddig, M.A., El Hussein, A.A., Siddig, M.A., Elballa, M.M. and Saker, M.M. (2009). Agrobacterium-mediated Transformation and in vitro Regeneration of of Tomato (Lycopersicon esculentum Mill.) Plants cv. Castle Rock. Journal of Genetic Engineering and Biotechnology, 7 (1): 11-17.

8. Hag Elsafi, H. E. H., Nor Elmadiena, M. M., El Hussein, A. A., Siddig, M. A. M., Muckle, C. A., Cole, L., Wilkie, E. and Mistry, K., (2009). Salmonella Umbadah: A New Serovar isolated from cattle and other serovars Sudan. Tropical Animal Health and Production, 41. 1605-1606.

9. Gigani, O. B., Siddig, M. A. M. and Pekhov, A. P., 1988. Genetic characteristics of Transposons Tn 6-2 and Tn 19-1. Bulletin of Exp. Biol. And Med., 9: 347-349.

10. Gigani, O. B., Siddig, M. A. M., Gubar, E. V., Shchipkov, V. P. and Pekhov, A. P., 1988. Transposon content of non-conjugative plasmids in E. coli. Bulletin of Exp. Biol. and Med., 12: 711-714. 11. El Sinnary, K. A., Saad, M.B, Mubarak, S. and Siddig, M. A. M., 1983. A description of Trachygonetrica quadrilabiata and Atractes africana (Ottlepp,1933) from desert tortoise Testudo sulcata in Khartoum Zoo. J. of Vet. Res., 1-8.

12. Siddig, M. A. M. and Musselman, J, Lytton, 1983. Pollinators of Hydnora abyssinca. Haustorium; 2.

13. Siddig M. A. M., Kinsey JA, Fincham, J. R., Keighren, 1980. M. Frameshift mutations affecting the N-terminal sequence of Neurospora NADP-specific glutamate dehydrogenase. J Mol Biol., 137(2):125–135

14. Kinsey, John A.; Fincham, J. R. S., Siddig, M. A. M.; Keighren, M., 1980. New Mutational Variants of Neurospora NADP-Specific Glutamate Dehydrogenase. Genetics. 95 (2):305–316.
15. Al Khalifa, M.D. And Siddig, M.A.M., 1974. Crown-gall on Castor Bean leaves. IV. Induction of Tyrosinase Activity. Agnew Botanik, 48: 281-286.