show Abstracthide AbstractDNA available from Christopher Grim, University of Maryland, #413 Bioscience Research Building, Room 3241, College Park, MD 20742. 454 sequence data is available from the Short Read Archive (SRA): <a href="ftp://ftp.ncbi.nih.gov/pub/TraceDB/ShortRead/SRA003721 ">SRA003721</a>.