Emmanuelle GESLIN

Professeur des Universités


Université d'Angers

Faculté des Sciences

2 Bd Lavoisier 49 045 Angers cedex

Tel : + 33 2 41 73 54 07

Mel : emmanuelle.geslin@univ-angers.fr



 CV Geslin


Mes recherches se basent sur l'étude de l'écologie et la biologie des foraminifères benthiques actuels dans le but d'améliorer les proxies paléocéanographiques avec un accent notoire sur les proxies de paléooxygénation.

MOTS CLEFS : Foraminifères benthiques, Fonctionnement des écosystèmes marins,, Paléocéanographie, Paléoécologie / Ecologie benthique


Clare Bird, Magali Schweizer, Angela Roberts, William Austin, Karen Luise Knudsen, Katharine Evans, Helena Filipsson, Martin Sayer, Emmanuelle Geslin, Kate Darling, In press, The genetic diversity, morphology, biogeography, and taxonomic designations of Ammonia (Foraminifera) in the Northeast Atlantic. Marine Micropaleontology, https://doi.org/10.1016/j.marmicro.2019.02.001.

Jauffrais, Thierry; LeKieffre, Charlotte; Schweizer, Magali; Jesus, Bruno; Metzger, Edouard; Geslin, Emmanuelle, 2019, Response of a kleptoplastidic foraminifer to heuterotrophic starvation: photosynthesis and lipid droplet biogenesis. FEMS Microbiology Ecology, 95 (5) https://doi.org/10.1093/femsec/fiz046

JAUFFRAIS T., LEKIEFFRE C., MAGALI S., GESLIN E., METZGER E., BERNHARD J., JESUS B., FILIPSSON H., MAIRE O., MEIBOM A., 2019, Kleptoplastidic benthic foraminifera from aphotic habitats: insights into assimilation in inorganic C, N and S studied with sub-cellular resolution. Environmental Microbiology 21(1): 125-141.LEKIEFFRE C., JAUFFRAIS T., GESLIN E., JESUS B., BERNHARD J., GIOVANI M.E., MEIBOM A., 2018, Inorganic carbon and nitrogen assimilation in cellular compartments of a benthic kleptoplastic foraminifera. Scientific Reports; 8:10140 | DOI:10.1038/s41598-018-28455-1

LEKIEFFRE C.,  HOWARD J.S., RUSSELL A.D., FEHRENBACHER J.S., GESLIN E., MEIBOM A., 2018, Assimilation, translocation, and utilization of carbon between photosynthetic symbiotic dinoflagellates and their planktic foraminifera host. Marine Biology (2018) 165:104

BERHNARD J., GESLIN E., 2018 Introduction to the Special Issue entitled “Benthic Foraminiferal Ultrastructure Studies”. Marine Micropaleontology 138 (2018)1-12. 

KOHO K.A., LEKIEFFRE C., NOMAKI H., SALONENA I., GESLIN E., MABILLEAU G., SØGAARD JENSENB L.H., REICHART G.J., 2018, Changes in ultrastructural features of the foraminifera Ammonia spp. In response to anoxic conditions: Field and laboratory observations. Marine Micropaleontology 138 (2018) 72–82.

NOMAKI H., LEKIEFFRE C., ESCRIG S., MEIBOM A., YAGYUD S., RICHARDSONE E., MATSUZAKID T., MURAYAMAD M., GESLIN E., BERNHARD J., 2018, Innovative TEM-coupled approaches to study foraminiferal cells. Marine Micropaleontology 138 (2018) 90–104


JAUFFRAIS T., LEKIEFFRE C., KOHO K.A., TSUCHIYA M., SCHWEIZER M., BERNHARD J.M., MEIBOM A., GESLIN E., 2018. Ultrastructure and distribution of kleptoplasts in benthic foraminifera from shallow-water (photic) habitats. Marine Micropaleontology, 138, 46-62.

LeKieffre c., Bernhard j.M., Mabilleau g.,  Filipsson h.L., Meibom a., Geslin e., 2018.  An overview of cellular ultrastructure in benthic foraminifera: New observations of rotalid species in the context of existing literature. Marine Micropaleontology, 138, 12-32.

 LE KIEFFRE C., SPANGENBERG J., MABILLEAU G., ESCRIG S., MEIBOM A., GESLIN E., 2017, Surviving anoxia in marine sediments: The metabolic response of ubiquitous benthic foraminifera (Ammonia tepida). PLoS ONE 12(5): e0177604. https://doi.org/10.1371/journal.pone.0177604 

JAUFFRAIS T., JESUS  B., MELEDER V. and GESLIN E., 2017, Functional xanthophyll cycle and pigment content of a kleptoplastic benthic foraminifer: Haynesina germanica. PLOS ONE, 12(2):e0172678. Doi:10.1371/journal.pone.0172678.

CESBRON F., E. GESLIN, C. LE KIEFFRE, THIERRY JAUFFRAIS, MARIA P. NARDELLI, DEWI LANGLET, GUILLAUME MABILLEAU, FRANS J. JORISSEN, DIDIER JEZEQUEL, AND EDOUARD METZGER, 2017, Sequestered chloroplasts in the benthic foraminifer Haynesina germanica: cellular organization, oxygen fluxes and potential ecological implications. Journal of Foraminiferal Research. Journal of Foraminiferal Research, 47(3), 268-278.

THIBAULT DE CHAVALON A., METZGER E., MOURET A., KNOERY J., GESLIN E., MEYSMAN F.J.R., 2017 Two dimensional mapping of Fe release in marine sediments at submillimetre scale. Marine Chemistry 191, 34-49.

THIBAULT DE CHAVALON A., MOURET A., KNOERY J., GESLIN E., PERON O., METZGER E.,  2016, Manganese, iron and phosphorus cycling in an estuarine mudflat, Loire, France, Journal of Sea Research 118: 92-102. doi:10.1016/j.seares.2016.10.004

MOJTAHID M., GESLIN E., COYNEL A., GORSE L., VELLA C., DAVRANCHE A., ZOZZOLO L., BLANCHET L., BENETEAU E., MAILLET G., 2016, Spatial distribution of living (Rose Bengal stained) benthic foraminifera in the Loire estuary (western France). Journal of Sea Research, 118: 1-16.


CESBRON F., GESLIN E., JORISSEN F., DELGARD ML., CHARRIEAU L., DEFLANDRE B., JEZEQUEL D., ANSCHUTZ P., METZGER E., 2016, Vertical distribution and respiration rates of benthic foraminifera: contribution to aerobic remineralization in intertidal mudflats covered by Zostera noltei meadows (Arcachon Bay). Estuarine, Coastal and Shelf Science, 179: 23-38.

MAIRE O., BARRAS C., GESTIN T., NARDELLI MP., ROMERO-RAMIREZ A., DUCHENE JC., GESLIN E., 2016, How does macrofaunal bioturbation influence the vertical distribution of living benthic foraminifera? MEPS, 561: 83-97.

JAUFFRAIS T., JESUS  B., BRIAND F., MARTIN JEZEQUEL V., GESLIN E., 2016b, Locomotion speed of the benthic foraminifer Ammonia tepida exposed to different nitrogen and carbon sources. Journal of Sea Research, 118: 52-58.

JAUFFRAIS T., JESUS  B., METZGER E., MOUGET  J.-L., JORISSEN F., and GESLIN E.,  2016a, Effect of light on photosynthetic efficiency of sequestered chloroplasts in intertidal benthic foraminifera (Haynesina germanica and Ammonia tepida), Biogeosciences, 13, 2715–2726.

THIBAULT DE CHAVALON A., METZGER E.,  MOURET A., CESBRON F., KNOERY J., ROZUEL E., LAUNEAU P., NARDELLI MP., JORISSEN F., GESLIN E., 2015, Two-dimensional distribution of living benthic foraminifera in anoxic sediment layers of an estuarine mudflat (Loire estuary, France) Biogeosciences, 12, 6219–6234. doi:10.5194/bg-12-6219-2015.

NARDELLI MP., BARRAS C., METZGER E., MOURET A., FILIPSSON H., JORISSEN F., GESLIN E., 2014, Experimental evidence for foraminiferal calcification under anoxia. BioGeoscience bg-2014-64. CESBRON F., METZGER E., LAUNEAU P., DEFLANDRE B., DELGARD ML., THIBAULT DE CHANVALON A., GESLIN E., ANSCHUTZ P., JEZEQUEL D., 2014, "High resolution 2D imaging in marine sediment pore-waters by thin-film: simultaneous measurement of dissolved iron and reactive phosphorous"; Environmental Science & Technology. 48 (5): 2816–2826.

Langlet D. , C. Baal, E. Geslin, E. Metzger, M. Zuschin, B. Riedel, N. Risgaard-Petersen, M. Stachowitsch, and F. J. Jorissen, 2014, Foraminiferal species responses to in situ experimentally induced anoxia in the Adriatic Sea. Biogeosciences, 11: 1775-1797.

Metzger E., D. Langlet, E. Viollier, N. Koron, B. Riedel, M. Stachowitsch, J. Faganeli, M. Tharaud, E. Geslin, and F. Jorissen, 2014, Artificially induced migration of redox layers in a coastal sediment from the Northern Adriatic. Biogeosciences, 11: 2211-2224.

 LANGLET D., GESLIN E., C. Baal, E. Metzger, F. Lejzerowicz, B. Riedel, M. Zuschin, J. Pawlowski, M. Stachowitsch, and F. J. Jorissen, 2013, Foraminiferal survival after long term experimentally induced anoxia. Biogeosciences 10, 9243-9264.

SCHONFELD J., ALVE E., GESLIN E., JORISSEN F., KORSUN S., SPEZZAFERRI S. and Members of the FOBIMO group, 2012, The FOBIMO (FOraminiferal BIo-MOnitoring) initiative-Towards a standardized protocol for soft-bottom benthic foraminiferal monitoring studies. Marine Micropaleontology 94–95 (2012 1–13.

DIZ P., BARRAS C., GESLIN E., REICHART G.-J., METZGER E., JORISSEN F., and BIJMA J. (2012) Incorporation of Mg and Sr and oxygen and carbon stable isotope fractionation in cultured Ammonia tepida. Marine Micropaleontology 92-93(0), 16-28.

Denoyelle M., Geslin E., Jorissen F.J., Cazes, L., Galgani, F., 2012. Innovative use of foraminifera in ecotoxicology : a marine chronic bioassay for testing potential toxicity of drilling muds. Ecological indicators, 12, 17-25.

HEINZ P., MARTEN R., LINSHY VN., HAAP T., GESLIN E. and H.-R. KOHLER, 2012a, 70 kD stress protein (Hsp70) analysis in living shallow-water benthic Foraminifera. Marine Biology Research, 2012; 8: 677-681.

Schweizer M., JORISSEN F.J., GESLIN E., 2011. Contributions of molecular phylogenetics to foraminiferal taxonomy: General overview and example of Pseudoeponides falsobeccarii Rouvillois, 1974. C.R. Palevol., 10, 95-105.


GESLIN E., RISGAARD-PETERSEN N., LOMBARD F., METZGER E., LANGLET D., JORISSEN F., 2011, Respiration rates of benthic foraminifera using oxygen microsensors. Journal of Experimental Marine Biology Ecology, 396 : 108-114.

KOHO K., PIÑA-OCHOA E., GESLIN E., RISGAARD-PETERSEN N., 2011, Survival and nitrate uptake mechanisms of foraminifers (Globobulimina turgida): laboratory experiments.  FEMS Microbiology Ecology 75 : 273–283.

PIÑA-OCHOA E., HØGSLUND S., GESLIN E., CEDHAGEN T., REVSBECH N.P., NIELSEN L.P., SCHWEIZER M., JORISSEN F., RYSGAARD S., RISGAARD-PETERSEN N., 2010a, Widespread occurrence of nitrate storage and denitrification among foraminifera and gromiids. PNAS 107:1148-1153.

PIÑA-OCHOA E., KOHO K., GESLIN E., RISGAARD-PETERSEN N., ­­2010b, Survival and life strategy of foraminifer, Globobulimina turgida, through nitrate storage and denitrification: laboratory experiments. Marine Ecology Progress Series 417: 39-49.

BARRAS C., DUPLESSY JC., GESLIN E., MICHEL E., JORISSEN F C., 2010, Calibration of δ18O of laboratory-cultured deep-sea benthic foraminiferal shells in function of temperature. BioGeosciences, 7 (4): 1349–1356.


DUPUY C., ROSSIGNOL L., GESLIN E., PASCAL PY., 2010, Ammonia tepida: a hard-shelled foraminifera predator of mudflat meio-macrofaunal metazoan. Journal of Foraminiferal Research, 40 (4): 305-312.

BARRAS C., GESLIN E., DUPLESSY JC., JORISSEN F., 2009, Optimisation of laboratory conditions to obtain reproduction and growth of the deep-sea benthic foraminifer Bulimina marginata. Journal of Foraminiferal Research, 39 (3): 155-165.

PUCCI F., GESLIN E., BARRAS C., MORIGI C., SABBATINI A., NEGRI A., JORISSEN F., 2009, Survival of benthic foraminifera under hypoxic conditions: Results of an experimental study using the CellTracker Green method . Marine Pollution Bulletin, 59: 336-351.

FONTANIER C., JORISSEN J., GESLIN E., ZARAGOSI S., DUCHEMIN G., LAVERSIN M. et M. GAULTIER, 2008, Live and dead foraminiferal faunas from the Saint-Tropez Canyon (Bay of Biscay): Observations based on in situ and incubated cores. Journal of Foraminiferal Research, 38 (2).

ERNST SR., MORVAN J., GESLIN E., LE BIHAN A., JORISSEN J., 2006, Benthic foraminiferal response to experimentally induced Erika oil pollution. Marine Micropaleontology, 61: 76-98.

HEINZ P., GESLIN E. & HEMLEBEN Ch.., 2005, Laboratory observations of benthic foraminiferal cysts. Marine Biology Research 1 (2), 149-159.


GESLIN E., HEINZ P. & HEMLEBEN Ch., JORISSEN, F.J., 2004a, Migratory response of deep-sea  benthic foraminifera to variable oxygen conditions: laboratory investigations. Marine Micropaleontology. 53: 227-243.

GESLIN E., HEINZ P. & HEMLEBEN Ch., 2004b, Behaviour of Bathysiphon sp. and Siphonammina bertholdii n.gen. n.sp. under controlled oxygen conditions in laboratory: implication for bioturbation. In Proceeding of the Sixth International Workshop on Agglutinated Foraminifera., ed. Bubík and Kaminski. Grzybowski Foundation Special Publication 8: 1001-1014.

GESLIN E., DEBENAY J-P., DULEBA W., BONETTI, C., 2002, Morphological abnormalities of foraminiferal tests in Brazilian environments: comparison between polluted and non-polluted areas. Marine Micropaleontology, v. 45, p. 151-168.


DEBENAY J-P., GESLIN E.,  EICHLER B.B., DULEBA W., SYLVESTRE, F. & EICHLER, P. – 2001 - Foraminiferal assemblages in a hypersaline lagoon: The lagoon of Araruama (R.J.) Brazil. Journal of Foraminiferal Research, v. 31 n° 2, p. 133-151.

DEBENAY J-P., GUILLOU J-J., GESLIN E., LESOURD M., 2000, Crystallization of calcite in foraminiferal tests. Micropaleontology, v. 6 suppl. 1, p. 87-94.

DEBENAY J-P., GESLIN E., GUILLOU J-J. & CASAMAJOR, M.N. de, 2000, Les foraminifères bio-indicateurs d’impact dans les environnements estuariens et portuaires. Actes des VIèmes Journées Nationales Génie  civil - Génie côtier, Caen 17-19 mai 2000: 599-609.

STOUFF V., GESLIN E., DEBENAY J-P., LESOURD M., 1999, Origin of morphological abnormalities in Ammonia (Foraminifera) - Studies in laboratory and natural environments. Journal of Foraminiferal Research, v. 29 no. 2, p. 60-78.


GESLIN E., DEBENAY J-P., LESOURD M., 1998, Abnormal textures in the wall of deformed tests of Ammonia (Hyaline foraminifer). Journal of Foraminiferal Research, v. 28, no. 2, p. 148-156.

DEBENAY J-P., GUILLOU J-J., GESLIN E., LESOURD M., & REDOIS F., 1998, Processus de cristallisation de plaquettes rhombohèdriques à la surface d’un test porcelané de foraminifère actuel. Géobios, v. 31, no. 3, p. 295-302.

DEBENAY J-P., ZHANG J., BENETEAU E., STOUFF V., GESLIN E., REDOIS F. & FERNANDEZ-GONZALEZ M. - 1998 - Ammonia beccarii and Ammonia tepida (Foraminifera): Morphofunctional arguments for their distinction. Marine Micropaleontology, v. 34, p. 235-244.


P1040176  IMGP0913   PC118663