• Ph.D., Molecular Biotechnology, Department of Molecular Biotechnology, Graduate School of Advanced Sciences of Matter, Hiroshima University, Japan, 2015

  • Master of Science, Mediterranean Agronomic Institute of Bari, Italy, 2008

  • Diploma of specialized post graduate studies, Mediterranean Agronomic Institute of Bari, Italy. 2006

  • B.Sc., Agriculture Sciences, Minia University, Egypt, 2003


My research focuses on utilization of bacteriophages to control plant and mushroom bacterial diseases, as well as screening for bacteria from the phytobiome that could be used to antagonize bacterial pathogens. Currently, I am working on developing a phage cocktail that could be used to suppress bacterial blotch of mushroom, as well as screening for colonizing non-pathogenic bacteria for the ability to manage mushroom pathogens. My research with phages includes molecular characterization and lytic activity, as well as assessing their infection and/or integration mechanisms and how this may affect their virulence, physiological features, and competitive fitness of their carrier strains. By continuing this research, I aim to develop tools to enhance phage therapy by combining phage application with other methods of biological control for a successful strategy that minimizes economic, health and environmental risks.


Addy, H. S., Ahmad, A. A., Huang, Q. (2019). Molecular and biological characterization of Ralstonia phage RsoM1USA, a new species of P2virus, isolated in the USA. Front. Microbiol. 10: 267.doi: 10.3389/fmicb.2019.00267

Stulberg, M. J., Xueqing Cai., Ahmad, A.A., Huang, Q. (2018). Identification of a DNA region associated with the cool virulence of Ralstonia solancearum strain UW551 and its utilization for specific detection of the bacterium’s race 3 biovar 2 strains. PLoS ONE 13(11): e0207280.

Addy, H. S., Farid, M. M., Ahmad, A. A., Huang, Q. (2018). Host range and molecular characterization of a lytic Pradovirus-like Ralstonia phage RsPod1IDN isolated from Indonesia. Arch Virol.

Elhalag, K., Nasr-Eldin, M., Hussien, A., Ahmad, A. (2018). Potential use of soilborne lytic Podoviridae phage as a biocontrol agent against Ralstonia solanacearum. J Basic Microbiol. 2018; 1–12.

Ahmad, A. A., Elhalag, K. M., Addy, H. S., Hussien, A. S., Nasr-Eldin, M. A., Huang, Q. (2018). Sequencing, genome analysis and host range of a novel Ralstonia phage RsPod1EGY isolated from Egypt. Arch Virol.

Ahmad, A. A., Stulberg, M. J., Huang, Q. (2017) Prophage Rs551 and Its Repressor Gene orf14 Reduce Virulence and Increase Competitive Fitness of Its Ralstonia solanacearum Carrier Strain UW551. Front. Microbiol. 8:2480. doi: 10.3389/fmicb.2017.02480

Ahmad, A. A., Stulberg, M. J., Mershon, J. P., Mollov, D. S., Huang, Q. (2017). Molecular and biological characterization of ϕRs551, a filamentous bacteriophage isolated from a race 3 biovar 2 strain of Ralstonia solanacearum. PLOS ONE 12:e0185034. doi: 10.1371/journal.pone.0185034

Ahmad, A. A., Kawabe, M., Askora, A., Kawasaki, T., Fujie, M.,Yamada, T. (2017). Dynamic integration and excision of filamentous phage XacF1 in Xanthomonas axonopodis pv. Citri.  FEBS open bio. 7(11): 1715–1721. doi:  10.1002/2211-5463.12312

Ahmad, A. A., Askora, A., Kawasaki, T., Fujie, M., and Yamada, T. (2014). The filamentous phage XacF1 causes loss of virulence in Xanthomonas axonopodis pv. citri, the causative agent of citrus canker disease. Front. Microbiol. doi: 10.3389/fmicb.2014.00321

Ahmad, A. A., Ogawa, M., Kawasaki, T., Fujie, M., and Yamada, T. (2014). Characterization of bacteriophages Cp1 and Cp2, the strain typing agents for Xanthomonas axonopodis pv. citri. Appl. Environ. Microbiol. 80, 77-85.

Ahmad, A. A., Moretti, C., Valentini, F., Hosni, T., Farag, N. S., Galal, A. A., Buonaurio, R. (2009). Olive knot caused by Pseudomonas savastanoi pv. savastanoi in Egypt. Journal of plant pathology 91(1).

Moretti, c., Valentini, F., Ahmad, A. A., Hosni, T., Alabdalla, N., Farag, N. S., Galal, A. A., Fatmi, M., Abu- Ghorra, M., Buonaurio, R. (2009). Genetic variability of Pseudomonas savastanoi pv. Savastanoi. 10th Arab Congress of Plant Protection. Beiru, Lebanon.