DOP018 Low microbial diversity in Crohn's disease is due to striking depletion of unknown species

DOP018 Low microbial diversity in Crohn’s disease is due to striking depletion of unknown species N. Borruel1 *, H.B. Nielsen2, F. Casellas1, C. Manichanh3, E. Varela3, M. Antolin3, A. Torrejon1, V. Robles1, P. Nos4, X. Calvet5, F. Guarner1, MetaHIT Consortium6. 1Hospital Vall d’Hebron, Crohn’s and Colitis Attention Unit. Digestive System Research Unit, Barcelona, Spain, 2Technical University of Denmark, Center for Biological Sequence Analysis, Department of Systems Biology, Lyngby, Denmark, 3Hospital Vall d’Hebron, Digestive System Research Unit, Barcelona, Spain, 4Hospital Universitari i Politecnic La Fe, Servicio de Medicina Digestiva, Valencia, Spain, 5Corporacio Sanitaria Parc Tauli, Servei d’Aparell Digestiu, Sabadell, Spain, 6MetaHIT Network, Partner Centres, Paris, France