Research engineer

Biologist specialized in genetics and genomics

Claire Daguin-Thiébaut research engineer in biology, CNRS

Position description

  • Development of molecular tools for biology, genetics and genomics of marine organisms (mollusks, crustaceans, polychaetes, tunicates, brown and red macro-algae), supporting research projects in ecology and population genetics of the DYDIV team.
  • Organisation and supervision of technical activities in the molecular lab of the team, supervision of training of users.
  • In charge of providing guidance for technological options, defining strategies for projets based on genotyping and sequencing.
  • Scientific responsible for the GENOMER platform, integrated into the Biogenouest core facility network



2002- IR CNRS in UMR7144 (EGPM team, resp. M. Valero, 2002-2008; DIVCO team depuis 2009-2018, resp. F. Viard; DYDIV team from 2019)

2001-2002 post-doc in Ester Serrao's lab, University of Algarve, Faro, Portugal

1997-2000 PhD thesis in Evolutionary Biology and Ecology, University of Montpellier (co-supervised by P. Borsa & F. Bonhomme)

1997 DEA (Master) in Evolutionary Biology and Ecology, University of Montpellier

1996 Maîtrise de Biologie des Populations et Ecosystèmes Mention Milieu Marin, University of Brest.



Pinochet J, Brante A, Daguin-Thiébaut C, Tellier F, Viard F. 2023. Investigating the risk of non-indigenous species introduction through ship hulls in Chile. Management of Biological Invasions  14(1): 156–177.

Fraïsse C, Le Moan A, Roux C, Dubois G, Daguin-Thiébaut C, Gagnaire PA, Viard F, Bierne N. 2022. Introgression between highly divergent sea squirt genomes: an adaptive breakthrough?  recommended in Peer Community In Evol Biol

Poitrimol C, Thiébaut É, Daguin-Thiébaut C, Le Port AS, Ballenghien M, Tran Lu Y A, Jollivet D, Hourdez S, Matabos M (2022) Contrasted phylogeographic patterns of hydrothermal vent gastropods along South West Pacific: Woodlark Basin, a possible contact zone and/or stepping-stone. PLOS ONE 17(10): e0275638.

Castel J, Hourdez S, Pradillon F, Daguin-Thiébaut C, Ballenghien M, Ruault S, Corre E, Tran Lu Y A, Mary J, Gagnaire PA, Bonhomme F, Bierne N, Breusing C, Broquet T, Jollivet D. 2022. Inter-specific genetic exchange despite strong divergence in deep-sea hydrothermal vent gastropods of the genus Alviniconcha. Genes 13(6), 985;

Couton M, Levêque L, Daguin-Thiébaut C, Comtet T & Viard F. 2022. Water eDNA metabarcoding is effective in detecting non-native species in marinas, but detection errors still hinder its use for passive monitoring. Biofouling DOI: 10.1080/08927014.2022.2075739

Charbonnel E, Daguin-Thiébaut C, Caradec L, Moittié E, Gilg O, Gavrilo MV, Strøm H, Mallory ML, Morrison RIG, Gilchrist HG, Leblois R, Roux C, Yearsley JM, Yannic G, Broquet T. 2022. Searching for genetic evidence of demographic decline in an arctic seabird: beware of overlapping generations. Heredity doi: 10.1038/s41437-022-00515-3

Tran Lu Y A, Ruault S, Daguin-Thiébaut C, Castel J, Bierne N, Broquet T, Wincker P, Perdereau A, Arnaud-Haond S, Gagnaire PA,  Jollivet D, Hourdez S & Bonhomme F. 2022. Subtle limits to connectivity revealed by outlier loci within two divergent metapopulations of the deep-sea hydrothermal gastropod Ifremeria nautilei. Molecular Ecology

Le Moan A, Roby C, Fraïsse C, Daguin-Thiébaut C, Bierne N, & Viard F. 2021. An introgression breakthrough left by an anthropogenic contact between two ascidians. Molecular Ecology, 00, 1– 15.

Daguin-Thiébaut C, Ruault S, Roby C, Broquet T, Viard F & Brelsford A 2021. Construction of individual ddRAD libraries V.1.

Couton M, Baud A, Daguin‐Thiébaut C, Corre E, Comtet T, Viard, F. 2021. High‐throughput sequencing on preservative ethanol is effective at jointly examining infraspecific and taxonomic diversity, although bioinformatics pipelines do not perform equally. Ecol Evol. 2021; 00: 1– 14.

Le Cam S, Daguin-Thiébaut C, Bouchemousse S, Engelen AH, Mieszkowska N & Viard F. 2019. A genome-wide investigation of the worldwide invader Sargassum muticum shows high success albeit (almost) no genetic diversity. Evolutionary Applications. DOI  10.1111/eva.12837

Ribardière A, Pabion E, Coudret J, Daguin-Thiébaut C, Houbin C, Loisel S, Henry S, Broquet T (2019) Sexual isolation with and without ecological isolation in marine isopods Jaera albifrons and J. praehirsuta. Journal of Evolutionary Biology. DOI 10.1111/jeb.13559

Daguin-Thiébaut C & Broquet T (2019). Etude du polymorphisme par séquençage d'ADN associé à des sites de restriction (RAD-seq). In Principe des techniques de biologie moléculaire et génomique, Eds Tagu D, Jaubert-Paussamai S, and Méreau A. Editions Quae

Guzinski J, Ballenghien M, Daguin-Thiébaut C, Lévêque L & Viard F. 2018. Population genomics of the introduced and cultivated Pacific kelp Undaria pinnatifida: marinas — not farms — drive regional connectivity and establishment in natural rocky reefs. Evolutionary Applications. DOI: 10.1111/eva.12647

Ribardière A, Daguin-Thiébaut C, Houbin C, Coudret J, Broudin C, Timsit O & Broquet T. 2017. Geographically distinct patterns of reproductive isolation and hybridization in two sympatric species of the Jaera albifrons complex (marine isopods). Ecology and Evolution 7: 5352-5365.

Pinochet J, Leclerc J.-C, Brante A, Daguin-Thiébaut C, Diaz C, Tellier F & Viard F. 2017. Presence of the tunicate Asterocarpa humilis on ship hulls and aquaculture facilities in the coast of the Biobio Region, south central Chile. PeerJ 5: e3672.

Pain-Devin S, Cossu-Leguille C, Geffard A, Giambérini L, Jouenne T, Minguez L, Naudin B, Parant M, Rodius F, Rousselle P, Tarnowska K, Daguin-Thiébaut C, Viard F, Devin S (2014) Towards a better understanding of biomarker response in field survey: a case study in eight populations of zebra mussels. Aquatic Toxicology 155: 52-61.

Riquet F, Daguin-Thiébaut C, Bierne N & Viard F. 2013. Contrasting patterns of genome-wide polymorphism in the native and invasive range of the marine mollusk Crepidulica fornata. Molecular Ecology 22: 1003-1018.

Borsa P, Rolland V, Daguin-Thiébaut C (2012) Genetics and taxonomy of Chilean smooth-shelled mussels, Mytilus spp. (Bivalvia: Mytilidae) (vol 335, pg 51, 2012). Comptes Rendus Biologies 335: 764-764.

Krueger-Hadfield SA, Collen J, Daguin-Thiébaut C, Valero M (2011) Genetic population structure and mating system in Chondrus crispus (Rhodophyta). Journal of Phycology 47: 440-450.