**Report from the 27th (Virtual) Meeting on Toxinology, "Toxins: Mr Hyde or Dr Jekyll?", Organized by the French Society of Toxinology, 9–10 December 2021**

**Daniel Ladant 1, Pascale Marchot 2, Sylvie Diochot 3, Gilles Prévost 4, Michel R. Popoff <sup>5</sup> and Evelyne Benoit 6,\***


**Abstract:** The French Society of Toxinology (SFET) organized its 27th annual meeting on 9–10 December 2021 as a virtual meeting (e-RT27). The central theme of this meeting was "Toxins: Mr Hyde or Dr Jekyll?", emphasizing the latest findings on plant, fungal, algal, animal and bacterial toxins during 10 lectures, 15 oral communications (shorter lectures) and 20 posters shared by ca. 80 participants. The abstracts of lectures and posters, as well as the winners of the best oral communication and poster awards, are presented in this report.

**Keywords:** animal toxin; bacterial toxin; marine toxin; medical application; plant toxin; toxin function/activity; toxin receptor/target; toxin structure
