FN Archimer Export Format PT J TI Transcriptomic profiles of consistent risk-taking behaviour across time and contexts in European sea bass BT AF Sadoul, Bastien Alfonso, Sebastien Goold, Conor Pratlong, Marine Rialle, Stéphanie Geffroy, Benjamin Bégout, Marie-Laure AS 1:1,2;2:1,3;3:4;4:5;5:5;6:1;7:1; FF 1:PDG-RBE-MARBEC-LAAAS;2:PDG-RBE-MARBEC-LAAAS;3:;4:;5:;6:PDG-RBE-MARBEC-LAAAS;7:PDG-RBE-MARBEC-LSEA; C1 MARBEC, University of Montpellier, CNRS, Ifremer, IRD, Palavas-Les-Flots, France DECOD, Ecosystem Dynamics and Sustainability, Institut Agro, Ifremer, INRAE, Rennes, France COISPA Technology and Research, Experimental Station for the Study of Sea Resources, Bari, Italy Faculty of Biological Sciences, University of Leeds, LS2 9JT, UK MGX-Montpellier GenomiX, University of Montpellier, CNRS, INSERM, Montpellier, France C2 IFREMER, FRANCE INST AGRO RENNES-ANGERS, FRANCE COISPA TECNOL & RIC, ITALY UNIV LEEDS, UK UNIV MONTPELLIER, FRANCE SI PALAVAS SE PDG-RBE-MARBEC-LAAAS PDG-RBE-MARBEC-LSEA UM MARBEC DECOD IN WOS Ifremer UMR copubli-france copubli-europe copubli-univ-france IF 4.7 TC 6 UR https://archimer.ifremer.fr/doc/00772/88402/94262.pdf LA English DT Article DE ;coping style;behavioural syndrome;fish;personality;anti-predator behaviour;intra-individual variability AB Bolder individuals have greater access to food sources and reproductive partners but are also at increased risk of predation. Boldness is believed to be consistent across time and contexts, but few studies have investigated the stability of this trait across variable environments, such as varying stress loads or long periods of time. Moreover, the underlying molecular components of boldness are poorly studied. Here, we report that boldness of 1154 European sea bass, evaluated using group risk-taking tests, is consistent over seven months and for individuals subjected to multiple environments, including a chronically stressful environment. Differences in risk-taking behaviour were further supported by differences observed in the responses to a novel environment test: shy individuals displayed more group dispersion, more thigmotaxic behaviour and lower activity levels. Transcriptomic analyses performed on extreme phenotypes revealed that bold individuals display greater expression for genes involved in social and exploration behaviours, and memory in the pituitary, and genes involved in immunity and responses to stimuli in the head kidney. This study demonstrates that personality traits come with an underpinning molecular signature, especially in organs involved in the endocrine and immune systems. As such, our results help to depict state–behaviour feedback mechanisms, previously proposed as key in shaping animal personality. PY 2022 PD MAY SO Proceedings Of The Royal Society B-biological Sciences SN 0962-8452 PU The Royal Society VL 289 IS 1975 UT 000797858800010 DI 10.1098/rspb.2022.0399 ID 88402 ER EF