CNSTN | Tunisia
Author Profile
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Early Academic Pursuits
Dr. Sihem Jebri Landolsi began her academic journey with a strong foundation in microbiology and medical biotechnologies, advancing her expertise through undergraduate and postgraduate studies that combined theoretical depth with practical laboratory training. Her early research focused on the detection and molecular characterization of pathogens, with particular attention to viral and bacterial organisms of public health concern. Exposure to advanced molecular tools, such as qRT-PCR and DNA amplification techniques, nurtured her ability to translate complex biological principles into real-world applications. This phase of her career allowed her to build technical skills in environmental and food microbiology while developing a clear interest in public health safety, pathogen tracking, and microbial risk management. These formative experiences paved the way for her professional path as a dedicated researcher and educator in environmental microbiology.
Professional Endeavors
Currently serving as an Assistant Professor at the National Centre for Nuclear Sciences and Technologies (CNSTN), Dr. Landolsi has been at the forefront of integrating microbiological sciences with nuclear technologies. At the Laboratory of Biotechnologies and Nuclear Techniques, she leads research on microbial source tracking, pathogen inactivation through irradiation, and environmental virology. Her professional endeavors extend beyond laboratory work, as she mentors graduate students, supervises innovative projects, and contributes to the global scientific dialogue through multinational collaborations with organizations such as UNESCO, IAEA, and the European Union. She also actively engages in teaching at institutions like the Ecole Supérieure des Industries Alimentaires de Tunis and the Institut Supérieur des Technologies Médicales de Tunis, where she imparts knowledge on infectious diseases, microbiology, molecular engineering, and pharmaceutical waste management. Her dual role as researcher and educator reflects her commitment to advancing both science and society.
Contributions and Research Focus
Dr. Landolsi’s contributions stand out in the fields of environmental microbiology, food safety, and radiation-based biohazard inactivation. Her research emphasizes bacteriophage applications as indicators of fecal contamination, enabling improved monitoring of water quality. By applying molecular epidemiology tools, including qRT-PCR and viral culture, she has contributed to understanding pathogen dissemination and antimicrobial resistance in aquatic environments. Furthermore, her work on radiation-based technologies, particularly gamma and electron beam irradiation, has advanced biohazard control methods and strengthened food chain safety. With more than fifteen peer-reviewed publications, she has established herself as a significant voice in environmental microbiology, bridging microbial science with applied technologies that address global health challenges.
Accolades and Recognition
Dr. Landolsi’s expertise has been recognized through her active participation in high-profile international projects and scientific collaborations. Her training experiences in leading institutions across Europe and North Africa—such as the CNRS-CEA laboratories in France and research centers in Spain and Egypt—reflect the recognition of her skills and the demand for her specialized knowledge. Her role in projects sponsored by international organizations like UNESCO, IAEA, and EU-funded networks demonstrates her credibility and impact within the global scientific community. Additionally, her ability to secure leadership roles in applied research projects at CNSTN highlights her reputation as a trusted scientist contributing innovative solutions to pressing microbiological and environmental concerns.
Impact and Influence
The impact of Dr. Landolsi’s work extends from academic research to societal well-being. Her focus on water safety, food chain risk assessment, and pathogen inactivation directly addresses challenges in public health, particularly in regions where microbial contamination and antimicrobial resistance pose major risks. Through her studies, she has provided scientific insights that help policymakers, industries, and communities implement safer environmental practices. Her influence also extends to her students, whom she equips with the scientific rigor and applied skills needed to succeed in microbiology and biotechnology. By fostering a culture of innovation and responsibility, she has amplified her impact beyond her own research, shaping future generations of scientists.
Legacy and Future Contributions
Dr. Landolsi’s legacy lies in her ability to merge microbiology with nuclear techniques to address environmental and food safety challenges. Her pioneering work in wastewater virology and microbial source tracking provides vital methodologies for monitoring and mitigating health risks. Looking to the future, she is well-positioned to expand her research on antibiotic resistance, bioremediation, and virological risk assessment in the food chain, areas that hold growing global relevance. Her commitment to international collaboration ensures that her future contributions will not only strengthen scientific knowledge but also provide sustainable solutions to public health concerns worldwide. By continuing to innovate and mentor, she will leave a lasting imprint on both her field and the broader scientific community.
Notable Publications
Antibiotic resistance genes in bacterial and bacteriophage fractions of Tunisian and Spanish wastewaters as markers to compare the antibiotic resistance patterns in each population
Author(s): M. Colomer-Lluch, W. Calero-Cáceres, S. Jebri, F. Hmaied, M. Muniesa, …
Journal: Environment International
Year: 2014
Bacteriophages as indicators of human and animal faecal contamination in raw and treated wastewaters from Tunisia
Author(s): M. Yahya, F. Hmaied, S. Jebri, J. Jofre, M. Hamdi
Journal: Journal of Applied Microbiology
Year: 2015
Bacteriophages as antibiotic resistance genes carriers in agro‐food systems
Author(s): S. Jebri, F. Rahmani, F. Hmaied
Journal: Journal of Applied Microbiology
Year: 2021
General and host-associated bacteriophage indicators of faecal pollution
Author(s): S. Jebri, M. Muniesa, J. Jofre
Journal: Global Water Pathogens Project
Year: 2017
Presence and fate of coliphages and enteric viruses in three wastewater treatment plants effluents and activated sludge from Tunisia
Author(s): S. Jebri, J. Jofre, I. Barkallah, M. Saidi, F. Hmaied
Journal: Environmental Science and Pollution Research
Year: 2012
Conclusion
In conclusion, Dr. Sihem Jebri Landolsi exemplifies the qualities of a modern scientist—rigorous in research, dedicated to teaching, and impactful in addressing global health and environmental challenges. From her early academic pursuits to her current leadership in environmental microbiology, she has consistently demonstrated vision, expertise, and a collaborative spirit. With her continued focus on microbial source tracking, radiation-based pathogen control, and food chain safety, her contributions will not only advance science but also safeguard public health for future generations.