Women in Portuguese industrial microbiology: a fifty-year perspective on progress and persistent barriers

Industrial microbiology sits at the heart of food safety, fermentation technology, antimicrobial resistance (AMR) surveillance, and sustainable biotechnology, yet leadership in the field remains disproportionately male. Only 26% of full professors in Europe are women, despite women making up the majority of life-science graduates. Portugal offers a particularly telling paradox. Since the 1974 democratic revolution, sustained investment in science has pushed Portuguese women close to parity in doctoral output, and they even hold the majority of principal investigator positions in national competitive funding. Nonetheless, only 24% of Portuguese full professors are women, and a clear vertical “scissors effect” persists, with women’s representation shrinking at each career stage. We argue that this contradiction is highly visible in industrial microbiology, where career advancement depends not just on publications but on access to technology transfer, patenting, and industry-facing leadership roles; specifically, we argue that women’s strong participation in scientific output has not yet been matched by comparable representation in these leadership roles. Drawing on a curated set of studies (2014–2026) led by Portuguese women as first or last author across four thematic areas (traditional fermented food microbiota, starter culture development, biofilm biology, and antimicrobial resistance surveillance under a One Health framework), although field-specific evidence is currently lacking, we advance the hypothesis that the national participation-to-leadership gap also affects Portuguese industrial microbiology. We close with a concrete research and policy agenda: gender-disaggregated bibliometric and patent analyses specific to industrial microbiology, longitudinal tracking of funding and promotion outcomes by gender within this subfield, and systematic evaluation of existing career-support policies. Closing the gender gap in industrial microbiology is not simply a matter of social justice, it is a structural requirement to improve scientific and economic competitiveness.