Accepted Article This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1111/jpy.12214 This article is protected by copyright. All rights reserved. Article Type: Regular Article Adhesion molecules from the diatom Phaeodactylum tricornutum (Bacillariophyceae): genomic identification by amino-acid profiling and in vivo analysis 1 Anusuya Willis The University of Melbourne, School of Botany, Parkville 3010, VIC. Australia Environmental and Evolutionary Genomics Section, CNRS UMR8197 INSERM U1024 Institut de Biologie de l’Ecole Normale Supérieure, 46 rue d’Ulm 75230 Paris cedex 05, France Currently at: Australian Rivers Institute, Griffith University, 170 Kessels Rd, Nathan 4111, QLD, Australia Maeve Eason-Hubbard The University of Melbourne, School of Botany, Parkville 3010, VIC. Australia Currently at: Department of Earth Sciences, University of Oxford, UK Oliver Hodson The University of Melbourne, School of Botany, Parkville 3010, VIC. Australia Uma Maheswari Environmental and Evolutionary Genomics Section, CNRS UMR8197 INSERM U1024, Institut de Biologie de l’Ecole Normale Supérieure, 46 rue d’Ulm 75230 Paris cedex 05, France