Sequences of C. elegans ESTs 28,278 entries have been submitted to DDBJ by Dr. Y. Kohara at Genetic Resources Laboratory, Center for Genetic Resource Information, the National Institute of Genetics.We assigned accession numbers AV175735-AV204012 to these sequences, and released them in the EST division of the DDBJ/EMBL/GenBank International Nucleotide Sequence Database.