LAVAUD Johann

Chargé de recherche CNRS / CNRS scientist
Écophysiologie des microalgues / Ecophysiology of microalgae



Etablissement : Université Bretagne Occidentale
Affectation de recherche : UMR6539 LEMAR-Laboratoire des sciences de l'environnement marin

Equipe(s) : Panorama
LogoUBO
Pour la messagerie : prénom.nom@univ-brest.fr
Tél.+33 (0)2 98 49 87 95

Page personnelle : https://www.researchgate.net/profile/Johann-Lavaud

Articles dans des revues

  • Guo-Ying Du, Xue-Feng Zhong, Christine Dupuy, Shuai Che, Johann Lavaud. Diuron effects on photosynthesis and vertical migration of microphytobenthos: Potential rapid bioassessment of herbicide toxicity in coastal sediments. Marine Pollution Bulletin, Elsevier, 2021, 170, pp.112619. ⟨10.1016/j.marpolbul.2021.112619⟩. ⟨hal-03265195⟩. <pdf>
  • Alexandre Barnett, Vona Méléder, Christine Dupuy, Johann Lavaud. The Vertical Migratory Rhythm of Intertidal Microphytobenthos in Sediment Depends on the Light Photoperiod, Intensity, and Spectrum: Evidence for a Positive Effect of Blue Wavelengths. Frontiers in Marine Science, Frontiers Media, 2020, 7, ⟨10.3389/fmars.2020.00212⟩. ⟨hal-02570226⟩. <pdf>
  • Michel Lavoie, Blanche Saint-Béat, Jan Strauss, Sébastien Guerin, Antoine Allard, et al.. Genome-Scale Metabolic Reconstruction and in Silico Perturbation Analysis of the Polar Diatom Fragilariopsis cylindrus Predicts High Metabolic Robustness. Biology, MDPI 2020, 9, pp.30. ⟨10.3390/biology9020030⟩. ⟨hal-02481799⟩. <pdf>
  • Dany Croteau, Sébastien Guerin, Flavienne Bruyant, Joannie Ferland, Douglas Campbell, et al.. Contrasting nonphotochemical quenching patterns under high light and darkness aligns with light niche occupancy in Arctic diatoms. Limnology and Oceanography, Association for the Sciences of Limnology and Oceanography, In press, ⟨10.1002/lno.11587⟩. ⟨hal-02928796⟩. <pdf>
  • Vona Méléder, Raphaël Savelli, Alexandre Barnett, Pierre Polsenaere, Pierre Gernez, et al.. Mapping the Intertidal Microphytobenthos Gross Primary Production Part I: Coupling Multispectral Remote Sensing and Physical Modeling. Frontiers in Marine Science, Frontiers Media, 2020, ⟨10.3389/fmars.2020.00520⟩. ⟨hal-02906148⟩. <pdf>
  • Raphaël Savelli, Vona Méléder, Philippe Cugier, Pierre Polsenaere, Christine Dupuy, et al.. Mapping the Intertidal Microphytobenthos Gross Primary Production, Part II: Merging Remote Sensing and Physical-Biological Coupled Modeling. Frontiers in Marine Science, Frontiers Media, 2020, 7, ⟨10.3389/fmars.2020.00521⟩. ⟨hal-02962339⟩. <pdf>
  • Lander Blommaert, Emmelien Vancaester, Marie Huysman, Cristina Osuna-Cruz, Sofie D’hondt, et al.. Light Regulation of LHCX Genes in the Benthic Diatom Seminavis robusta. Frontiers in Marine Science, Frontiers Media, 2020, 7, pp.192. ⟨10.3389/fmars.2020.00192⟩. ⟨hal-02570224⟩. <pdf>
  • Philippe Massicotte, Rémi Amiraux, Marie-Pier Amyot, Philippe Archambault, Mathieu Ardyna, et al.. Green Edge ice camp campaigns: understanding the processes controlling the under-ice Arctic phytoplankton spring bloom. Earth System Science Data : Papers in open discussion, Copernicus Publications, 2020, 12 (1), pp.151-176. ⟨10.5194/essd-12-151-2020⟩. ⟨hal-02292721⟩. <pdf>
  • Jochen Buck, Jonathan Sherman, Carolina Bártulos, Manuel Serif, Marc Halder, et al.. Lhcx proteins provide photoprotection via thermal dissipation of absorbed light in the diatom Phaeodactylum tricornutum. Nature Communications, Nature Publishing Group, 2019, 10, pp.4167. ⟨10.1038/s41467-019-12043-6⟩. ⟨hal-02298369⟩. <pdf>
  • Benoit Lebreton, Audrey Rivaud, Laurent Picot, Benoît Prévost, Laurent Barillé, et al.. From ecological relevance of the ecosystem services concept to its socio-political use. The case study of intertidal bare mudflats in the Marennes-Oléron Bay, France. Ocean and Coastal Management, Elsevier, 2019, 172, pp.41-54. ⟨10.1016/j.ocecoaman.2019.01.024⟩. ⟨hal-02329523⟩. <pdf>
  • Jochen Buck, Jonathan Sherman, Carolina Bártulos, Manuel Serif, Marc Halder, et al.. Lhcx proteins provide photoprotection via thermal dissipation of absorbed light in the diatom Phaeodactylum tricornutum. Nature Communications, Nature Publishing Group, 2019, 10 (1), ⟨10.1038/s41467-019-12043-6⟩. ⟨hal-02323916⟩. <pdf>
  • Philippe‐israël Morin, Thomas Lacour, Pierre‐luc Grondin, Flavienne Bruyant, Joannie Ferland, et al.. Response of the sea‐ice diatom Fragilariopsis cylindrus to simulated polar night darkness and return to light. Limnology and Oceanography, Association for the Sciences of Limnology and Oceanography, 2019, ⟨10.1002/lno.11368⟩. ⟨hal-02371640⟩. <pdf>
  • Thomas Lacour, Marcel Babin, Johann Lavaud. Diversity in xanthophyll cycle pigments content and related non-photochemical quenching (NPQ) among microalgae: implications for growth strategy and ecology. Journal of Phycology, Wiley, In press, ⟨10.1111/JPY.12944-19-004⟩. ⟨hal-02358293⟩. <pdf>
  • Kui Xu, Johann Lavaud, Rupert Perkins, Emily Austen, Marlène Bonnanfant, et al.. Phytoplankton σPSII and Excitation Dissipation; Implications for Estimates of Primary Productivity. Frontiers in Marine Science, Frontiers Media, 2018, 5, ⟨10.3389/fmars.2018.00281⟩. ⟨hal-02323628⟩. <pdf>
  • R Perkins, C Williamson, Johann Lavaud, J.-L Mouget, D A Campbell. Time-dependent upregulation of electron transport with concomitant induction of regulated excitation dissipation in Haslea diatoms. Photosynthesis Research, Springer Verlag, 2018, ⟨10.1007/s11120-018-0508-x⟩. ⟨hal-02323683⟩. <pdf>
  • Vona Méléder, Bruno Jesus, Alexandre Barnett, Laurent Barillé, Johann Lavaud. Microphytobenthos primary production estimated by hyperspectral reflectance. PLoS ONE, Public Library of Science, 2018, 13 (5), pp.e0197093. ⟨10.1371/journal.pone.0197093⟩. ⟨hal-02323527⟩. <pdf>
  • Lander Blommaert, Johann Lavaud, Wim Vyverman, Koen Sabbe. Behavioural versus physiological photoprotection in epipelic and epipsammic benthic diatoms. European Journal of Phycology, Taylor & Francis, 2018, 53 (2), pp.146-155. ⟨10.1080/09670262.2017.1397197⟩. ⟨hal-02326567⟩. <pdf>
  • Thomas Lacour, Jade Larivière, Joannie Ferland, Flavienne Bruyant, Johann Lavaud, et al.. The Role of Sustained Photoprotective Non-photochemical Quenching in Low Temperature and High Light Acclimation in the Bloom-Forming Arctic Diatom Thalassiosira gravida. Frontiers in Marine Science, Frontiers Media, 2018, 5, ⟨10.3389/fmars.2018.00354⟩. ⟨hal-02323707⟩. <pdf>
  • Ibtissem Doghri, Johann Lavaud, Alain Dufour, Alexis Bazire, Isabelle Lanneluc, et al.. Cell-bound exopolysaccharides from an axenic culture of the intertidal mudflat Navicula phyllepta diatom affect biofilm formation by benthic bacteria. Journal of Applied Phycology, Springer Verlag, 2017, 29 (1), pp.165-177. ⟨10.1007/s10811-016-0943-z⟩. ⟨hal-02329553⟩. <pdf>
  • Lander Blommaert, Marie Huysman, Wim Vyverman, Johann Lavaud, Koen Sabbe. Contrasting NPQ dynamics and xanthophyll cycling in a motile and a non-motile intertidal benthic diatom. Limnology and Oceanography, Association for the Sciences of Limnology and Oceanography, 2017, 62 (4), pp.1466-1479. ⟨10.1002/lno.10511⟩. ⟨hal-02326554⟩. <pdf>
  • Bernard Lepetit, Gautier Gélin, Mariana Lepetit, Sabine Sturm, Sascha Vugrinec, et al.. The diatom Phaeodactylum tricornutum adjusts NPQ capacity in response to dynamic light via fine-tuned Lhcx and xanthophyll cycle pigment synthesis. New Phytologist, Wiley, 2017, 214 (1), pp.205-218. ⟨10.1111/nph.14337⟩. ⟨hal-02324509⟩. <pdf>
  • Virginie Galindo, Michel Gosselin, Johann Lavaud, C Mundy, Brent Else, et al.. Pigment composition and photoprotection of Arctic sea ice algae during spring. Marine Ecology Progress Series, Inter Research, 2017, ⟨10.3354/meps12398⟩. ⟨hal-02323832⟩. <pdf>
  • Lucilla Taddei, Giulio Rocco Stella, Alessandra Rogato, Benjamin Bailleul, Antonio Emidio Fortunato, et al.. Multisignal control of expression of the LHCX protein family in the marine diatom Phaeodactylum tricornutum. Journal of Experimental Botany, Oxford University Press (OUP), 2016, 67 (13), pp.3939 - 3951. ⟨10.1093/jxb/erw198⟩. ⟨hal-01414499⟩
  • R. Perkins, C. Williamson, J. Brodie, L. Barille, P. Launeau, et al.. Microspatial variability in community structure and photophysiology of calcified macroalgal microbiomes revealed by coupling of hyperspectral and high-resolution fluorescence imaging. Scientific Reports, Nature Publishing Group, 2016, 6 (1), ⟨10.1038/srep22343⟩. ⟨hal-02323660⟩. <pdf>
  • Hélène Montanié, Margot de Crignis, Johann Lavaud. Viral impact on prokaryotic and microalgal activities in the microphytobenthic biofilm of an intertidal mudflat (French Atlantic coast). Frontiers in Microbiology, Frontiers Media, 2015, 6, ⟨10.3389/fmicb.2015.01214⟩. ⟨hal-01237177⟩. <pdf>
  • Philippe Juneau, Alexandre Barnett, Vona Méléder, Christine Dupuy, Johann Lavaud. Combined effect of high light and high salinity on the regulation of photosynthesis in three diatom species belonging to the main growth forms of intertidal flat inhabiting microphytobenthos. Journal of Experimental Marine Biology and Ecology, Elsevier, 2015, 463, pp.95-104. ⟨10.1016/j.jembe.2014.11.003⟩. ⟨hal-01095784⟩. <pdf>
  • Heiko Wagner, Torsten Jakob, Johann Lavaud, Christian Wilhelm. Photosystem II cycle activity and alternative electron transport in the diatom Phaeodactylum tricornutum under dynamic light conditions and nitrogen limitation. Photosynthesis Research, Springer Verlag, 2015. ⟨hal-01236470⟩. <pdf>
  • Bernard Lepetit, Johann Lavaud, Angela Falciatore, Peter G. Kroth. Near-natural light stress conditions specifically regulate distinct NPQ compounds in phaeodactylum tricornutum. European Journal of Phycology, Taylor & Francis, 2015, 50 (1), pp.176. ⟨hal-01528515⟩
  • Joao Serôdio, Joao Ezequiel, Jörg Frommlet, Martin Laviale, Johann Lavaud. A Method for the Rapid Generation of Nonsequential Light-Response Curves of Chlorophyll Fluorescence. Plant Physiology, American Society of Plant Biologists, 2013, 163, pp.1089-1102. ⟨10.1104/pp.113.225243⟩. ⟨hal-01096588⟩. <pdf>
  • Vona Méléder, Martin Laviale, Bruno Jesus, Jean-Luc Mouget, Johann Lavaud, et al.. In vivo estimation of pigment composition and optical absorption cross-sectionby spectroradiometry in four aquatic photosynthetic micro-organisms. Journal of Photochemistry and Photobiology B: Biology, Elsevier, 2013, 129, pp.115-124. ⟨10.1016/j.jphotobiol.2013.10.005⟩. ⟨hal-01096511⟩. <pdf>

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