Professor Gabrielle Zammit is a Principal Investigator in the fields of Phycology and Microbiology.

She was the first microbiologist to study microbial communities growing as biofilms and microbial mats in different habitats around Malta, and has published a number of papers on this theme. Her research is multidisciplinary, combining a wide array of complementary scientific techniques to study novel microbial biodiversity, microbial interaction with the environment, as well as the microbial deterioration of a variety of substrates. She is the only Maltese biologist who has published new genera and species of Maltese microorganisms in specialised journals to date.

Gabrielle has isolated in culture a large number of new strains of bacteria and algae that grow in Malta, many of which are new to science. Her current research deals with their description via integrative systematics, their biochemical processes and the extraction of new bioactive substances for prospective industrial application.

For the past twenty years, Gabrielle has shared her knowledge and skills with students enrolled in various undergraduate and postgraduate degrees, both in Malta and abroad. She is presently Associate Professor at the University of Malta's Faculty of Science, where she leads the Microbiology and Applied Phycology Labs. She is also member of various international scientific bodies, as well as an invited editor and reviewer of scientific journals in her areas of expertise.

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