Files in this Data Supplement:

• Supplemental file 2 - Summary of all environmental transcripts retrieved in this study, including closest BLAST hits and E values (Table S3).
  PDF document, 105K.
• Supplemental file 1 - Detailed information on methodologies used in this study; list of primers, including primer sequences, used for random amplification of environmental transcripts (Table S1); and summary of clone libraries assembled in this study, including information on primer pairs used to generate the cDNA and the number of clones, protein-encoding transcripts, and ribosomal transcripts per library (Table S2).
  MS Word document, 106K.