Table 4. Functional classification of transcripts that originated from downregulated contigs.

Class	Number of Clusters	Number of ESTs
Putative secreted proteins	4	16
Nuclear regulation	1	3
Transcription machinery	1	11
Protein synthesis machinery	4	11
Protein export machinery	2	4
Protein modification machinery	1	2
Transporters/storage	1	2
Oxidant metabolism/detoxification	1	7
Metabolism, carbohydrate	1	2
Signal transduction	3	20
Extracellular matrix/cell adhesion	2	4
Metabolism, energy	5	15
Unknown	9	33
Unknown, conserved	7	19