O domínio de especialização é Microbiologia aplicada, nos campos de metabolismo secundário, consórcios microbianos, ciências ambientais e segurança alimentar
Leitão AL (2009) Potential of Penicillium species in bioremediation field. Special Issue: "Biodegradability and Environmental Sciences", International Journal of Environmental Research and Public Health, 6:1393-1417. doi: 10.3390/ijerph6041393.
Enguita FJ, Leitão AL (2013) Hydroquinone: Environmental Pollution, Toxicity, and Microbial Answers. BioMed Research International, 542168. doi: 10.1155/2013/542168.
Benites AJ, Fernandes M, Boleto AR, Azevedo S, Silva S, Leitão AL (2017) Occurrence of ochratoxin A in roasted coffee samples commercialized in Portugal. Food Control, 73:1223-1228. doi: 10.1016/j.foodcont.2016.10.037
Leitão A.L., Enguita F.J. (2016) Gibberellins in Penicillium strains: Challenges for endophyte-plant host interactions under salinity stress. Microbiological Research, 183:8-18. doi: 10.1016/j.micres.2015.11.004
Leitão AL, Enguita FJ (2014) Fungal extrolites as a new source for therapeutic compounds and as building blocks for applications in synthetic biology. Microbiological Research, 169(9-10):652-665. doi: 10.1016/j.micres.2014.02.007.
Enguita FJ, Costa MC, Fusco-Almeida AM, Mendes-Giannini MJ, Leitão AL (2016) Transcriptomic Crosstalk between Fungal Invasive Pathogens and Their Host Cells: Opportunities and Challenges for Next-Generation Sequencing Methods. Journal of Fungi, 2(1): 7. doi:10.3390/jof2010007