Table 2.

Functional classification of the housekeeping transcripts from the salivary glands of Glossina morsitans morsitans

Class	Number of Contigs	Percent of contigs	Number of ESTs	Percent of ESTs	EST's/Contig
Unknown, conserved	1228	14.44	2702	11.85	2.20
Signal transduction	679	7.98	1839	8.07	2.71
Cytoskeletal	220	2.59	1031	4.52	4.69
Metabolism, energy	231	2.72	1019	4.47	4.41
Protein synthesis machinery	276	3.24	901	3.95	3.26
Protein export machinery	295	3.47	857	3.76	2.91
Transporters/storage	284	3.34	838	3.68	2.95
Protein modification machinery	259	3.04	825	3.62	3.19
Transcription machinery	321	3.77	804	3.53	2.50
Nuclear regulation	253	2.97	660	2.90	2.61
Metabolism, carbohydrate	164	1.93	571	2.51	3.48
Transcription factor	236	2.77	529	2.32	2.24
Proteasome machinery	157	1.85	455	2.00	2.90
Metabolism, lipid	172	2.02	454	1.99	2.64
Metabolism, amino acid	82	0.96	255	1.12	3.11
Metabolism, nucleotide	66	0.78	206	0.90	3.12
Oxidant metabolism/detoxication	59	0.69	172	0.75	2.92
Metabolism, intermediate	53	0.62	113	0.50	2.13
Extracellular matrix/cell adhesion	50	0.59	110	0.48	2.20
Immunity	9	0.11	44	0.19	4.89
Heme metabolism	15	0.18	42	0.18	2.80
Total	8506		22794