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Research interests

Root knot nematodes (RKN) are endoparasitic worms that invade plant roots causing economically important damages worldwide as they have a wide host range. Furthermore, RKN populations are predicted to geographically spread and to increase with climate warming. Through their stylet (a syringe-like organ), these pests inject proteins into plant cells to manipulate diverse functions to their advantage and to escape plant defenses. Indeed, RKN induce in the root, the formation of giant polynucleate cells, which constitute their feeding sites to drain plant nutrients thus affecting plant yield. Understanding the molecular dialog between plant and root knot nematodes is therefore of high interest to build new strategies of plant protection against these parasites. In this context, my PhD project aim to identify molecular plant functions that are targeted by root-knot nematode nuclear effectors in tomato.

Education

• Plant physiology master degree (Research specialization) (Paul Sabatier University, Toulouse, France)
• Ecology bachelor degree (Paul Sabatier University, Toulouse, France)

Beyond my university degrees, I had the chance to do multiple internships in different countries (France, Switzerland & Germany) and on multiple subjects with a particular interest for plant-organisms interactions. My multidisciplinary path allowed me to develop solid knowledge in various subjects: physiology of plant-organisms interaction, molecular biology, microbiology, bioinformatic, ecology and animal behavior.

Links

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Publications

• Silencing the conserved small nuclear ribonucleoprotein SmD1 target gene alters susceptibility to root-knot nematodes in plants. Joffrey Mejias, Yongpan Chen, Jérémie Bazin, Nhat-My Truong, Karine Mulet, Yara Noureddine, Stéphanie Jaubert-Possamai, Sarah Ranty-Roby, Salomé Soulé, Pierre Abad, Martin D Crespi, Bruno Favery, Michaël Quentin. Plant Physiology, 2022. 
• Induction of antibiotic specialized metabolism by co‐culturing in a collection of phyllosphere bacteria. Shan Shan Qi, Alexander Bogdanov, Margo Cnockaert, Tessa Acar, Sarah Ranty‐Roby, Tom Coenye, Peter Vandamme, Gabriele M König, Max Crüsemann, Aurélien Carlier. Environmental Microbiology 23 (4), 2132-2151, 2021.
• Cultural flies: Conformist social learning in fruitflies predicts long-lasting mate-choice traditions. Etienne Danchin, Sabine Nöbel, Arnaud Pocheville, Anne-Cecile Dagaeff, Léa Demay, Mathilde Alphand, Sarah Ranty-Roby, Lara van Renssen, Magdalena Monier, Eva Gazagne, Mélanie Allain, Guillaume Isabel. Science 362 (6418), 1025-1030, 2018.

Hobbies

Beyond my passion for plant physiology and science, I like and practice competitive sport: esport and handball. I also really like gardening which teaches me even more about plant-organisms interactions. I am passionnated by insects and I like to hike.