Fig. 1From: Transcriptional response to sulfide in the Echiuran Worm Urechis unicinctus by digital gene expression analysisOverview of the de novo assembly for the Urechis unicinctus transcriptome. a Size distribution of contigs; b size distribution of unigenes; and c log-log plot showing the dependence of contig lengths on the number of reads assembled into each contigBack to article page