show Abstracthide AbstractTranscriptomes of D. polymorpha and D. rostriformis bugensis digestive glands were obtained from multipopulation samples. In this study, 45 organisms from 9 populations were used for D. polymorpha digestive gland de novo assembly and 34 organisms from 7 populations for D. rostriformis bugensis. Assemblies thus obtained gathered global informations from french populations of Dreissenids species.