Alexa Sadier

CNRS faculty/Chargée de recherche CNRS
UMR5554 -Institut des Sciences de l'Evolution
CC20 001 - RDC - Place Eugène Bataillon
34095 Montpellier Cedex 5

email: alexa.sadier at


Please click here to download a pdf version of my CV

See here my Google Scholar page

Social media

Twitter @aigverte

Instagram @explorabats

Linkedin Alexa Sadier


*: equal contributions

Preprint/in prep

Alexa Sadier, Agata Rudolf, Masafumi Muratani - Evolving in space and beyond In prep

Santana, S., Sadier, A., Mello, M. The ecomorphological radiation of phyllostomid bats, In review

Sadier, A., Grossnickle, D., Zernik, M., Santana, S., Sears, K.. Contrains and facilitated variation of bat molars development, In prep


26. Grossnickle, D. M., Sadier, A., Patterson, E., Cortés-Viruet, N. N., Jiménez-Rivera, S. M., Sears, K. E., & Santana, S. E. (2024). The hierarchical radiation of phyllostomid bats as revealed by adaptive molar morphology. Current Biology.

25. Anthwal, N., Hall, R. P., de la Rosa Hernandez, F. A., Koger, M., Yohe, L. R., Hedrick, B. P., Davies, K. T. J., Mutumi, G. L., Roseman, C. C., Dumont, E. R., Davalos, L. M., Rossiter, S. J., Sadier*, A. (co-last), & Sears*, K. E. (2023). Cochlea development shapes bat sensory system evolution. The Anatomical Record, 1–12.

24. Sadier, A., Anthwal, N., Krause, A.L. et al. Bat teeth illuminate the diversification of mammalian tooth classes. Nat Commun14, 4687 (2023). 
Behind the paper  blog post Nature Eco Evo: here and the node: here
Article featured as one of the 50 best papers  recently published in an area by Nature communications editors:
UW press release and press  blog post: here

23. Mutumi GL, Hall RP, Hedrick BP, Yohe LR, Sadier A, Davies KTJ, Rossiter SJ, Sears KE, Dávalos LM, Dumont ER. 2023. Disentangling Mechanical and Sensory Modules in the Radiation of Noctilionoid Bats. The American Naturalist 000–000.

22. Anthwal, N., Urban, D.J., Sadier, A. et al. Insights into the formation and diversification of a novel chiropteran wing membrane from embryonic development. BMC Biol 21, 101 (2023).

21. Yohe LR, Fabbri M, Lee D, Davies KTJ, Yohe TP, Sánchez MKR, Rengifo EM, Hall RP, Mutumi G, Hedrick BP, Sadier A, Simmons NB, Sears KE, Dumont E, Rossiter SJ, Bhullar B-AS, Dávalos LM. n.d. Ecological constraints on highly evolvable olfactory receptor genes and morphology in neotropical bats. Evolution n/a.

20. Santana SE*, Grossnickle DM*, Sadier A (co-first)*, Patterson E, Sears KE. 2022. Bat Dentitions: A Model System for Studies at the Interface of Development, Biomechanics, and Evolution. Integrative and Comparative Biology 62:762–73.

19. Sadier A., Sears, K. and Womack, M. Unravelling the heritage of lost traits, J Exp Part B.

18. Aidan O Howenstine, Alexa Sadier, Neal Anthwal, Clive LF Lau, Karen E Sears, Non-model systems in mammalian forelimb evo-devo, Current Opinion in Genetics & Development,

17. Hall, R.P., Mutumi, G.L., Hedrick, B.P., Yohe, L.R., Sadier, A., Davies, K.T.J., Rossiter, S.J., Sears, K., Dávalos, L.M. and Dumont, E.R. (2021), Find the food first: An omnivorous sensory morphotype predates biomechanical specialization for plant based diets in phyllostomid bats. Evolution

16. Nojiri T, Wilson LAB, López-Aguirre C, Tu VT, Kuratani S, Ito K, Higashiyama H, Son NT, Fukui D, Sadier A, Sears KE, Endo H, Kamihori S, Koyabu D. 2021. Embryonic evidence uncovers convergent origins of laryngeal echolocation in bats. Current Biology 31:1353-1365.e3.

15. Sadier A, Urban DJ, Anthwal N, Howenstine AO, Sinha I, Sears KE, Sadier A, Urban DJ, Anthwal N, Howenstine AO, Sinha I, Sears KE. 2020. Making a bat: The developmental basis of bat evolution. Genetics and Molecular Biology

14. Sadier A., Santana S., Sears K. The role of core and variable Gene Regulatory Network modules in tooth development and evolution (2020) Integrative and Comparative Biology, icaa116

13. Sadier, A., Jackman, W.R., Laudet, V and Gibert, Y. Vertebrate tooth type: is it signaled by a single organizing tooth? (2020) BioEssays 42 (6), 1900229

12. C Darrin Hulsey, Karly E Cohen, Zerina Johanson, Nidal Karagic, Axel Meyer, Craig T Miller, Alexa Sadier, Adam P Summers, Gareth J Fraser (2020) Grand Challenges in Comparative Tooth Biology Integrative and Comparative Biology icaa038

11. Hedrick BP, Mutumi GL, Munteanu VD, Sadier A, Davies KTJ, Rossiter SJ, Sears KE, Dávalos LM, Dumont E. 2020. Morphological Diversification under High Integration in a Hyper Diverse Mammal Clade. J Mammal Evol 27:563–575

10. Vial, J., Royet, A., Cassier, P., Tortereau, A., Dinvaut, S., Maillet, D., Gratadou-Hupon, L., Creveaux, M., Sadier, A., Tondeur, G., et al. (2019). The Ectodysplasin receptor EDAR acts as a tumor suppressor in melanoma by conditionally inducing cell death. Cell Death Differ 26, 443–454.

9. Sadier, A., Twarogowska, M., Steklikova, K., Hayden, L., Lambert, A., Schneider, P., Laudet, V., Hovorakova, M., Calvez, V., and Pantalacci, S. (2019). Modeling Edar expression reveals the hidden dynamics of tooth signaling center patterning. PLoS Biol 17, e3000064

8. Sears, K., Maier, J.A., Sadier, A., Sorensen, D., and Urban, D.J. (2018). Timing the developmental origins of mammalian limb diversity. Genesis 56.

7. Sadier*, A., Davies*, K.T., Yohe, L.R., Yun, K., Donat, P., Hedrick, B.P., Dumont, E.R., Davalos, L.M., Rossiter, S.J., and Sears, K.E. (2018). Multifactorial processes underlie parallel opsin loss in neotropical bats. Elife 7.

6. Hedrick, B.P., Yohe, L., Vander Linden, A., Davalos, L.M., Sears, K., Sadier, A., Rossiter, S.J., Davies, K.T.J., and Dumont, E. (2018). Assessing Soft-Tissue Shrinkage Estimates in Museum Specimens Imaged With Diffusible Iodine-Based Contrast-Enhanced Computed Tomography (diceCT). Microsc Microanal 24, 284–291.

5. Urban, D.J., Anthwal, N., Luo, Z.-X., Maier, J.A., Sadier, A., Tucker, A.S., and Sears, K.E. (2017). A new developmental mechanism for the separation of the mammalian middle ear ossicles from the jaw. Proc Biol Sci 284.

4. Gibert, Y., Samarut, E., Pasco-Viel, E., Bernard, L., Borday-Birraux, V., Sadier, A., Labbe, C., Viriot, L., and Laudet, V. (2015). Altered retinoic acid signalling underpins dentition evolution. Proc Biol Sci 282.

3. Sadier, A., Lambert, E., Chevret, P., Decimo, D., Semon, M., Tohme, M., Ruggiero, F., Ohlmann, T., Pantalacci, S., and Laudet, V. (2015). Tinkering signaling pathways by gain and loss of protein isoforms: the case of the EDA pathway regulator EDARADD. BMC Evol Biol 15, 129.

2. Sadier, A., Viriot, L., Pantalacci, S., and Laudet, V. (2014). The ectodysplasin pathway: from diseases to adaptations. Trends Genet 30, 24–31.

1. Pantalacci, S., Chaumot, A., Benoit, G., Sadier, A., Delsuc, F., Douzery, E.J.P., and Laudet, V. (2008). Conserved features and evolutionary shifts of the EDA signaling pathway involved in vertebrate skin appendage development. Mol Biol Evol 25, 912–928.


Book chapters

Sadier, A., Soukup V. Initiation and periodic patterning of vertebrate dentitions In chapter in “Odontodes: The Developmental and Evolutionary Building Blocks of Dentitions”, in press

Sadier, A. (2019). How Do Gene Networks Promote Morphological Evolution. In Old Questions and Young Approaches to Animal Evolution, J.M. Martín-Durán, and B.C. Vellutini, eds. (Cham: Springer International Publishing), pp. 209–234.

Sadier, A.A. (2016). Regulatory and Coding Changes in Developmental Evolution, Roles of. In Encyclopedia of Evolutionary Biology, R.M. Kliman, ed. (Oxford: Academic Press), pp. 433–440.



2023    ERC Consolidator - 2.65 M€

2023    Tremplin ERC - 100k€

2023    Bat Biology Foundation – Fieldwork expedition - 3k$

2023    UCLA CSNI ALMS - Imaging - 2k$

2021     Wellcome Trust – Career Development Award – invitation for interview, not awarded

2021     UCLA Chancellor’s award for postdoctoral research 20/21 – awardee

The Chancellor’s Award for Postdoctoral Research recognizes the 10 most important contributions (among the ~1400 postdocs from all disciplines) that postdoctoral scholars make to UCLA’s research mission – 7.5k$

2020     NSF IOS grant - Leader investigator of the project - Collaborators: PIs Karen Sears (UCLA), Sharlene Santana (UW) and Paul François (Mc Gill)

Starting July 2020 – 600 k$

2020     iBiology Young Scientists Seminar Award – winner

2017     MBI workshop travel grant – 600$

2012     Grant ARC (Research against Cancer Association) Foundation

Awarded a project on the role of EDAR in cancer – One year of full support ~20k €

2009     Teaching fellowship – “monitorat”

Extra salary for teaching activities including: TA, full lectures and full courses teaching and   conception – 80h/year ~ 7.75k €/year

2009     MRT PhD fellowship

Supporting 3 years of salary for research - Ranked 3/50 (15/50 were awarded) ~12.25k €/year



Since 2024: Editorial Board Member, The Biological Journal of Linnean Society

Since 2023: Editorial Board Member, Gene

Since 2021: Editorial Board Member, BMC Eco Evo

Since 2019: The Company of Biologists Prelighter, part of the @preLights community - See my prelights here:

Society member: EuroEvoDevo, PanAmEvoDevo, NASBR societies, SDB, BCI (Bat Conservation International), Bat1k genome project, SigmaX, NASA GeneLab