1 INRA, UMR 1202 BIOGECO, F-33610, Cestas, France.
2 Univ. Bordeaux, UMR 1202 BIOGECO, F-33600, Pessac, France.
3 Canada Research Chair in Forest and Environmental Genomics, Centre for Forest Research, Institute for Systems and Integrative Biology, Université Laval, 1030 avenue de la Médecine, Québec, QC, Canada, G1V 0A6.
4 Ecole Pratique des Hautes Etudes, UMR-CNRS 5805 EPOC, Univ. Bordeaux, F-33405, Talence, France.