At 28, an Ariégeoise promoted to doctor in neuroscience in Barcelona for her research on the effects of pollution on zebrafish

At 28, an Ariégeoise promoted to doctor in neuroscience in Barcelona for her research on the effects of pollution on zebrafish
At 28, an Ariégeoise promoted to doctor in neuroscience in Barcelona for her research on the effects of pollution on zebrafish

the essential
Juliette Bedrossiantz, a student from Ariège, defended her international thesis on the effects of pollution on zebrafish, in Barcelona. It took him ten years of study after the baccalaureate to become a doctor in neuroscience at the age of 28.

In the Barcelona IDAEA-CSIC research center, in the “Environmental Toxicology” department, she studies the effects of pollution on zebrafish. His thesis aims to advance toxicology, environmental protection and human health.

Juliette Bedrossiantz is happy, she is now a doctor in neuroscience and continues her research in environmental toxicology. What are the difficulties for this long course of study: “The years of study did not seem difficult to me, nor the year to write the thesis because research fascinates me. But the stress increased at the end because of the administrative burden of organizing everything until the day of the public defense. The preparation is therefore intense and demanding, an administrative work which is added to the oral preparation for the defense.

Living in a rural environment was never an obstacle to her studies, nature inspired her very early on. Juliette obtained a scientific baccalaureate specializing in life sciences at the Mirepoix high school. Determined to pursue scientific studies, she then joined the veterinary preparation course in Auzeville-Tolosane then the Paul-Sabatier University in Toulouse.

There she completed a degree in cellular biology and physiology and went on to complete a master’s degree in biology-health, with a focus on integrative biology and toxicology: “When I was very young, I wanted to become a veterinarian, but I met teacher-researchers at Paul Sabatier University who fascinated me and thanks to an Erasmus internship in Barcelona, ​​I discovered the world of Research that I never want to leave. From a human point of view, it’s great. We meet brilliant and inspiring people! On the research side, we can only remain humble, there are so many things to discover!”

Research on the environment and human health

Juliette therefore decides to join the IDAEA-CSIC research center, (the Spanish equivalent of the CNRS) which aims to diagnose the effects of water, air and soil pollution: “With the incessant growth of chemical industry and the development of new molecules, it is urgent to evaluate the toxicity of many products to ensure the protection of the environment and human health. Our experiments prove that pesticides cause behavioral disturbances, affecting capacity. of survival of the animal Knowing that the zebrafish shares 70% of its genome with humans, the research conclusions are applicable to all living beings, including humans!”

Juliette Bedrossiantz is promoted to doctor in neuroscience.

For this international doctorate, Juliette benefited from a partnership between the University of Bordeaux and the Autonomous University of Barcelona. She published her thesis in English, presented it in Spanish and made the conclusions in French.

The young researcher has already published eleven articles reporting the effects of certain pollutants on living beings. Its thesis supervisors are the Catalan doctors Demetrio Raldua, Carlos Barata and the French professor Jérôme Cachot from the University of Bordeaux. After deliberations, the jury gave the maximum mark with the mention Cum laude. What advice would you give to students: “To study abroad! For me, the Erasmus experience was fantastic! It allowed me to discover Catalan culture and meet great people!”

The young scientist also speaks in schools: “I receive children from 5 years old. We observe “stuff” as they say under the microscope! It is very important for me to convey the need to protect our environment and to awaken awareness. curiosity !”.



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