Keywords: Evolutionary Ecology, Ecophysiology, Behavioural Ecology, Host-Parasite Interactions, Ecotoxicology, One Health, Intraspecific variability
Main research topics: Evolution of animal responses to multiple stressors, (Mal)adaptation to pollution, Causes and consequences of intraspecific variability in wild populations, Host-parasites interactions under global change, Wildlife health and disease risk
Current model species: Freshwater fishes
*co-supervised students
57. Martin N*, Jacquin L, Blanchet S, Blondeau-Bidet E, Goutte A, Gros R, Farcy E.. Invasive mosquitofish Gambusia holbrooki have longer gill telomeres in polluted and mesohaline environments. Water Biology and Security, in press
56. Martin N*, Blanchet S; Hermet S; Larcher T; Gros R; Hansson SV; Gomez E; Duporté G; A Sauvêtre; Goutte A; B Lalot; Jean S; Jacquin L°; Farcy E° (°co-senior authors). Multiscale physiological responses to organic and inorganic pollution in the invasive mosquitofish Gambusia holbrooki. Ecotoxicology and Environmental Safety, 302: 118365. PDF
55. Duval, E; Blanchet, S; Jacquin, L.; Veyssière, C; Loot, G; Quéméré, E. 2025. Eco-evolutionary responses of a cold-water fish (Salmo trutta) to the combined effects of an emerging pathogen and temperature. Functional Ecology, 39: 2096–2110. PDF
54. Arnal A; Burioli E; Jacquin L; Labrut S; S Duchon; M Rossignol; D Nicolas; B Ujvari; J Meliani; J Abadie; F Thomas; V Corbel. Decoding the carcinogenic and physiological effects of malathion pesticide in mosquitoes: a histological and transcriptomic perspective. Ecotoxicology and Environmental Safety, 301: 118449. PDF
53. Gouthier L*, L Jacquin, B Lalot, J Giraud, M Lefort, S Blanchet, S Jean, .S V Hansson. Anthropogenic sources and transfer of trace metals from the environment to brown trout Salmo trutta in mountainous rivers. Science of the Total Environment, 975: 179289. PDF
52. Bouly L, L Jacquin, F Chapeau, J-M Bonmatin, M Cousseau, A Hagimont, P Laffaille, B Lalot, A Lemarié, C Pasquet, L Huc, S Jean. Fluopyram SDHI pesticide alters fish behavior and physiology despite low in vitro effects on mitochondria. Ecotoxicology and Environmental Safety, 288: 117400. PDF
51. Duval E, Blanchet S, Quéméré E, Jacquin L, Veyssière C, Loot G. When does a parasite become a disease? eDNA unravels complex host-pathogen dynamics across environmental stress gradients in wild salmonid populations. Science of the Total Environment, 946: 174367. PDF or BioArxiv
HDR: Jacquin L. Intraspecific variability of responses to multiple stressors: from molecular to evolutionary processes. HDR Université de Toulouse, defended the 2nd of July 2024 (french Habilitation to Supervise Research) PDF HAL
Sick leave for breast cancer. Now officially in remission :)
50. Gouthier L*, Duval E, Blanchet S, Loot G, Veyssière C, Quéméré E, Jacquin L. 2023. Spatial patterns of neutral and non neutral genetic markers in brown trout populations along upstream-downstream gradients. Diversity,15 (6), 784. (IF: 3.03) PDF
49. Gouthier L*, Jacquin L, Giraud J, Jean S, Hansson SV 2023. Distribution of metal contaminants in brown trout and fish blood as potential non lethal monitoring tool. Bulletin of Environmental Contamination and Toxicology BECT, 111 (1): 12. (IF: 2.8) PDF
48. Petitjean Q*, Laffaille P, Perrault A, Cousseau M, Jean S°, Jacquin L° (°co-senior authors) 2023. Adaptive plastic responses to metal contamination in a multistress context: a field experiment in fish. Environmental Science and Pollution Research ESPR, 19:55678-55698 (IF: 5.19). PDF
47. Vignon M, M Zhou, AR McIntosh, C Correa, PAH Westley, L Jacquin, J Labonne, AP Hendry 2023. Trait variation in a successful global invader: a large-scale analysis of morphological variance and integration in brown trout. Biological Invasions, 25: 1659–1677 (IF: 3.6). PDF
Maternity leave
46. Duval E, E Quéméré, G Loot, L Jacquin, C Veyssière & S Blanchet 2022. A multifaceted health index to detect risk-prone populations and underlying stressors in wildlife. Biological Conservation, 274: 109706 (IF: 7.5). PDF
45. Côte J, Jacquin L, Veyssière C, Manzi S, Etienne R, Jean S, Perrault A, Cambon M, White J. 2022. Changes in fish skin microbiota along gradients of eutrophication in human-altered rivers. FEMS Microbiology Ecology, 17;98: fiac006 (IF: 4.5) PDF
44. Shiyu J*, L Jacquin, W Li, S Lek, J Yu, M Xiong, T Zhang, J Liu, Z Li. 2022. Reduced dietary protein levels do not impair growth and muscle composition in juvenile red swamp crayfish. Aquaculture Research, 53: 1435-1445 (IF: 2.18) PDF
43. Duval E, Blanchet S, Quéméré E, Jacquin L, Veyssière C, Lautraite A, Garmendia L, Yotte A, Parthuisot N, Côte J, Loot G 2021. Urine DNA as a non-lethal method for endoparasite biomonitoring. Environmental DNA, 3: 1035-1045 (IF: 8.9) PDF
42. Côte J, O Morisseau*, C Pilissi*, C Veyssière, A Perrault, C Jezequel, G Loot, S Blanchet, S Jean, L Jacquin 2021. Urbanization and eutrophication as drivers of morphological and physiological divergence in fish. Freshwater Biology, 66: 669-682 (IF: 3.5). PDF9
41. Petitjean Q*, L Jacquin, L Riem*, M Cousseau, A Perrault, P Laffaille, S Jean. 2021. Intraspecific variability of responses to metal contamination and immune challenge across wild gudgeon populations. Environmental Pollution, 272: 116042 (IF: 9.9) PDF
40. Petitjean Q*, L Jacquin, M LeHénaff, A Perrault, M Cousseau, P Laffaille, S Jean. 2021. Dose‐ and time‐dependent effects of an immune challenge on fish across biological levels. Journal of Experimental Zoology, 335(2):250-264 (IF: 2.7) PDF
Measuring a colorful minnow Phoxinus phoxinus (credit: S Blanchet)
39. Petitjean Q*, S Jean, J Côte, A Perrault, P Laffaille, L Jacquin. 2020. Direct and indirect effects of environmental stressors on fish health in human-altered rivers. Science of the Total Environment, 140657 (IF:10.7). PDF
38. Jacquin L, Petitjean Q*, Côte J, Laffaille P, Jean S. 2020. Effects of pollution on fish behavior and cognition: some research perspectives. Frontiers in Ecology & Evolution. 8, 86 (IF: 4.5). PDF.
37. N Molbert, F Alliot, V Médoc, C Biard, S Meylan, L Jacquin, R Santos, A Goutte. Potential benefits of acanthocephalan parasites for chub hosts in polluted environments. Environmental Science & Technology. 54: 5540-5549 (IF: 11.35). PDF
36. Petitjean Q*, S Jean, J Côte, A Lamarins, R Santos, A Perrault, P Laffaille, L Jacquin. 2020. Combined effects of temperature and immune challenge in two wild gudgeon populations. Fish Physiology and Biochemistry. 46:157–176 (IF: 3.01) PDF
Cute gudgeon fish Gobio gobio displaying melanin-based coloration
Maternity leave
35. Côte J, Pilissi C*, Morisseau O*, Veyssière C, Perrault A, Jean S, Blanchet S, Jacquin L 2019. Water turbidity affects melanin-based coloration in gudgeon: a reciprocal transplant experiment. Biological Journal of the Linnean Society, 4128: 451–459 (IF: 2.27) PDF
34. Petitjean Q*, Jean S, Gandar A, Côte J, Laffaille P, Jacquin L 2019. Stress responses in fish: From molecular to evolutionary processes. Science of the Total Environment, 684: 371-380 (IF:10.7). PDF
33. Jacquin L, A Gandar, A Perrault, M Aguirre-Smith, LeHénaff M, L De Jong, S Paris, P Laffaille, S Jean 2019. High temperature aggravates the effects of pesticides in goldfish. Ecotoxicology and Environmental Safety, 172:255-264 (IF: 7.13) PDF
32. Jin Shiyu*, L Jacquin, F Huang, M Xiong, R Li, S Lek, W Li, J Liu, T Zhang 2019. Optimizing reproductive performance and embryonic development of red swamp crayfish by manipulating water temperature. Aquaculture, 510: 32-42 (IF: 5.12). PDF
31. Jin Shiyu*, L Jacquin, W Li, S Lek, J Yu, M Xiong, T Zhang, J Liu, Z Li. 2019. Growth performance and muscle composition response to reduced feeding levels in juvenile red swamp crayfish. Aquaculture Research, 50:934–943 (IF: 2.18). PDF
30. Jin Shiyu*, L Jacquin, M Xiong M, R Li, S Lek, W Li, T Zhang. 2019. Reproduction and population dynamics of commercial red swamp crayfish from China: implications for sustainable aquaculture management. Peer J, 7:e6214 (IF: 3.06)
My favorite Vicdessos river in Ariège, Pyrénées
29. Moniruzzaman M, Mukherjee J, Jacquin L, Mukherjee D, Mitra P, Ray S, Chakraborty S. 2018. Physiological and behavioural responses to acid and osmotic stress and effects of Mucuna extract in guppies. Ecotoxicology and Environmental Safety, 163:47-56 (IF: 7.13) PDF
28. Côte J, Boniface A*, Blanchet S, Hendry AP, Gasparini J, Jacquin L. 2018. Melanin-based coloration and host-parasite interactions under global change. Proceedings of the Royal Society B, 285: 20180285 (IF: 5.5). PDF. Highlighted in Brèves du CNRS
27. Lardy S, Gasparini J, Corbel H, Frantz A, Perret S, Zahn S, Criscuolo F, Jacquin L. 2018. Telomere erosion varies with sex and age at injection but not with maternal antibodies. Journal of Experimental Zoology part A, 327:562-569 (IF: 2.7). PDF
26. Jacquin L, Gauthey Z, Roussille V*, LeHénaff M, Tentelier C, Labonne J. 2017. Melanin in a changing world: brown trout coloration reflects alternative reproductive strategies in variable environments. Behavioral Ecology, 28: 1423–1430 (IF: 3.08). PDF
25. Tang L, Jacquin L, Lek S, Liu H, Li Z, Liu J, Zhang T. 2017 Differences in anti-predator behaviour and survival rate between hatchery-reared and wild grass carps. International Journal of Limnology 53, 361-367 (IF:1.67) PDF
24. Ducatez S, Giraudeau M, Thébaud C, Jacquin L. 2017. Colour polymorphism is associated with lower extinction risk in birds. Global Change Biology, 23:330-339 (IF: 13.2). PDF
23. Gasparini J, Dauphin L, Favreliere J, Frantz A, Jacquin L, Récapet C*, Prévot A-C. 2017 Effects of confinement on body mass and site fidelity of feral pigeons during the setting-up of pigeon houses. BioRxiv, 194043
22. Scriba M, Gasparini, J Jacquin L, Mettke-Hofmann, Rattenborg A, Roulin A 2017. The effect of food quality during growth on spatial memory consolidation in adult pigeons. Journal of Experimental Biology. 220:573-581 (IF: 3.3)
21. Jacquin L, Dybwad C*, Rolhausen G, Hendry A, Reader S. 2017. Evolutionary and immediate effects of crude oil pollution on exploration behaviour in Trinidadian guppies. Animal Cognition, 20:97-108 (IF: 2.9). PDF
20. Jacquin L., Reader S., Boniface A*, Matelunna J*, Patalas I*, Perez-Jvostov F., Hendry A 2016. Parallel and nonparallel behavioural evolution in response to predation and parasitism in Trinidadian guppies. Journal of Evolutionary Biology, 29:1406-1422
19. Corbel H., Legros A., Haussy C., Jacquin L., Gasparini J., Karimi B., Frantz A. 2016. Stress response varies with plumage color and local habitat in feral pigeons. Journal of Ornithology, 157: 825.
18. Frantz A., Federici P., Legoupi J., Jacquin L., Gasparini J. 2016. Sex-associated differences in trace metals concentrations in and on the plumage of a common urban bird. Ecotoxicology. 25: 22-29
17. Ismail A., Jacquin L., Haussy C., Perret S., Gasparini J. 2015. Transfer of humoural immunity over two generations in urban pigeons. Biology Letters. 11: 20150780. Highlighted in Science News
16. Ismail A., Jacquin L., Haussy C., Perret S., Gasparini J. 2015. Food availability modulates the effects of maternal antibodies on growth and immunity in young feral pigeons. Journal of Avian Biology, 46:001-006.
Feral pigeon Columba livia from our former breeding farm during my PhD
15. Jacquin L., Mori Q*, Pausé M., Steffen M*, Médoc V. 2014. Non-specific manipulation of gammarid behaviour by P minutus parasite enhances their predation by final bird hosts. Plos One, 9(7): e101684
14. Chatelain M., Gasparini J., Jacquin L., Frantz A. 2014. The adaptive function of melanin-based plumage coloration to trace metals. Biology Letters, 10(3). Featured in Science News.
13. Gasparini J., Jacquin L., Laroucau K., Vorimore F., Aubry E., Castrec-Rouëlle M., Frantz A. 2014. Relationships between heavy metal exposure and epidemiological parameters of two parasites in urban pigeons. Bulletin of Environmental Contamination & Toxicology, 92:208-212.
12. Jacquin L., Mori *., Médoc V. 2013. Does the carotenoid-based colouration of Polymorphus minutus parasite facilitate its trophic transmission to definitive hosts? Parasitology 140:1310-1315.
11. Récapet C*, Dauphin L., Jacquin L., Gasparini J., Prévot-Julliard AC.2013. Darker eumelanic juvenile of feral pigeons display a higher survival than paler ones in an urban pigeon house. Journal of Avian Biology, 44:001-008.
10. Ismail A., Jacquin L., Haussy C., Legoupi J., Gasparini J.2013. Food availability and maternal immunization affect transfer and persistence of maternal antibodies in nestling pigeons. Plos One, 10.1371/journal.pone.0079942
9. Jacquin L., Récapet C*, Prévot-Julliard AC., Leboucher G., Lenouvel P., Erin N., Frantz A., Corbel H., Gasparini J. 2013. A potential role for parasites in the maintenance of bird color polymorphism in cities. Oecologia 173:1089-1099. Featured in Ornithomedia. Cité des Sciences
8. Derelle D., Kondrashov F., Arkhipov V., Corbel H., Frantz A., Gasparini J., Jacquin L., Jacob G., Thibault S., Baudry E. 2013. Color differences among feral pigeons are not attributable to sequence variation in the coding region of the MC1R gene. BMC Research Notes 6:310
7. Jacquin L., Haussy C., Bertin C., Laroucau K., Gasparini J. 2013. Darker female pigeons transmit more specific antibodies to their eggs than do paler ones. Biological Journal of the Linnean Society, 108: 647-657
6. Zocevic A., Vorimore F., Vicari N., Gasparini J., Jacquin L., Sachse K., Magnino S., Laroucau K. 2013. A real-time PCR assay for the detection of atypical pigeon strains of Chlamydiaceae spp. PLoS ONE 8(3): e58741
5. Jacquin L., Récapet C*, Bouche P*., Leboucher G., Gasparini J. 2012. Melanin-based coloration reflects alternative strategies to cope with food limitation in feral pigeons. Behavioral Ecology, 23: 907-915.
4. Jacquin L., Blottiere L*, Haussy C., Perret S., Gasparini J. 2012. Prenatal and postnatal parental effects on immunity and growth in 'lactating' pigeons. Functional Ecology, 26: 866-875
PhD dissertation (in french): Coloration mélanique et stratégies d'histoire de vie chez le pigeon biset urbain
3. Jacquin L., Lenouvel P., Haussy C., Ducatez S., Gasparini J. 2011. Melanin-based coloration is related to parasite load and cellular immune response in feral pigeons. Journal of Avian Biology, 42:11-15. Featured in BBC Earth News. 10 most downloaded article of JAB.
2. Gasparini J., Erin N., Bertin C., Jacquin L., Vorimore F., Frantz A., Lenouvel P., Laroucau K. 2011. Impact of urban environment and host phenotype on the epidemiology of Chlamydiaceae in feral pigeons. Environmental Microbiology, 13: 3186–3193
1. Jacquin L., Cazelles B., Prévot-Julliard AC., Leboucher G., Gasparini J. 2010. Reproduction management in pigeon houses affects breeding ecology of feral pigeons: implications for control policies. Canadian Journal of Zoology, 88: 781-787
Petitjean Q, Jacquin L, Granada M, Laffaille P, Jean S, White J. Experimental metal contamination reduces gut microbiota diversity and alters its composition and function in wild-caught fish. In prep for Environmental Microbiology
Gouthier L, S V Hansson, B Lalot, J Giraud, M Lefort, S Blanchet, G Loot, S Jean, Jacquin. Combined effects of legacy metal contamination and pathogen infection on brown trout health: a field study. In prep for Environmental Pollution
Rota T, A. Raffard, I. Lang, Q. Petitjean, L Jacquin, O Dézerald, S Blanchet, A. P. Hendry, R. Céréghino. Scaling up intraspecific trait variation in animals to ecological responses: A meta-analysis. Under revisions for American Naturalist
Lucie Bouly, L Jacquin, P Laffaille, C Pasquet, JM Bonmatin, S Paris-Palacios, Z Schaeffer, L Huc, M Vivant, J Bertrand-Michel, F Bellvert, S Jean. Hepatotoxicity of the pesticide fluopyram on freswater fish. in prep for Environmental Science and Technology
Côte J, Jacquin, Manzi, Veyssière, Perrault, Jean, White. Effects of eutrophication on fish skin microbiota: a reciprocal transplantation experiment. In prep for Molecular Ecology.
Côte J et al. Fish physiological responses to reciprocal transplantation in eutrophicated rivers. In prep for Journal of Zoology.
Articles dans revues nationales à comité de lecture
Garmendia L, Lautraite A.& Jacquin L. 2020. La PKD et les salmonidés, conséquences et perspectives, cas du département de l’Ariège. Cybium, 44(3): 274.
Jacquin L., Reader S., Boniface A., Perez-Jvostov F., Hendry AP. 2014. Variabilité de syndromes chez le guppy de Trinidad. Annales de la fondation Fyssen N°28
Rapports techniques
5. Blanchet S, Duval E, Loot G, Jacquin L, Quéméré E. 2023. Projet PKD. Détection, distribution et impacts d'un parasite émergent (Tetracapsuloides bryosalmonae) chez les populations de truites fario (Salmo trutta). Rapport technique pour l'OFB et les Fédérations de Pêche.
4. Jacquin L and al. 2021. Projet AX3 : Recherche du pathogène responsable de la PKD dans le secteur de l’Ariège et analyse des facteurs physiologiques et environnementaux associés. Rapport technique pour l’Agence de l’Eau Adour-Garonne. Référence dossier 310 31 0158
3. Jacquin L, Côte J, Petitjean Q, Laffaille P, Jean S 2020. Projet PHYPAT: Variabilité de réponse physiologique aux stress multiples et conséquences pour les interactions poisson-pathogènes. Rapport technique pour l'Agence de l'Eau Adour-Garonne. Référence rapport O AG 34033. Accès au rapport complet sur le portail Eau et Biodiversité ici. Un résumé sur le site de vulgarisation: https://despoissonsetdeshommesblog.wordpress.com/
2. Jacquin L, Côte J 2018. Projet AX2: Mise en œuvre de marqueurs d’état de santé de populations de truites fario. Rapport technique pour l’Agence de l’Eau Adour-Garonne.
Jacquin L 2017. Projet AX1: Etat de santé des populations de truites fario Salmo trutta à Ax-les-Thermes. Rapport technique pour l’Agence de l’Eau Adour-Garonne.