Fig. 4From: Genome-centric metatranscriptomes and ecological roles of the active microbial populations during cellulosic biomass anaerobic digestionHeatmap showing the transcriptional profiles of major functions in AD process for the highly transcribed bacterial and methanogenic PGs. The PGs were organized by enrichment culture and color-coded as in Fig. 3. A few key functions are boxed and highlightedBack to article page