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Table 1 Major categories of biological functions

From: Exploring the mialome of ticks: an annotated catalogue of midgut transcripts from the hard tick, Dermacentor variabilis (Acari: Ixodidae)

Biological Function ESTs Transcripts Transcripts No. of ESTs ESTs per Transcript
    unfed/2 d fed 6 d fed unfed/2 d fed 6 d fed unfed/2 d fed 6 d fed
cytoskeletal 17 17 10 7 10 7 1 1
extracellular matrix 11 6 6 1 7 4 1.17 4
immunity 35 7 4 5 10 25 2.50 5.00
lipid binding 4 4 3 1 3 1 1.00 1.00
metabolism, amino acid 36 24 5 21 6 30 1.20 1.43
metabolism, carbohydrate 12 9 3 7 3 9 1.00 1.29
metabolism, energy 163 70 39 44 118 45 3.03 1.02
metabolism, heme 5 2 2 0 5 0 2.50 0.00
metabolism, lipid 17 14 3 12 3 14 1.00 1.17
metabolism, nucleic/nucleotide 1 1 0 1 0 1 0.00 1.00
nuclear regulation 20 11 6 8 9 11 1.50 1.38
proline rich protein 5 5 4 1 4 1 1.00 1.00
peptidase inhibitor 10 9 3 6 3 7 1.00 1.17
proteasome machinery 7 7 3 4 3 4 1.00 1.00
protein export machinery 6 6 1 5 1 5 1.00 1.00
protein modification machinery 47 35 15 21 17 30 1.13 1.43
protein synthesis machinery 655 99 68 49 393 262 5.78 5.35
secreted 112 46 29 22 44 68 1.52 3.09
signal transduction 14 13 8 6 8 6 1.00 1.00
transcription factor 8 7 4 4 4 4 1.00 1.00
transcription machinery 10 10 8 2 8 2 1.00 1.00
transporter 20 15 5 11 8 12 1.60 1.09
transposable element 1 1 0 1 0 1 0.00 1.00
Uncharacterized conserved function 24 21 14 9 15 9 1.07 1.00
Unknown 439 396 212 192 226 213 1.07 1.11
Total 1679 835 455 440 908 771 1.40 1.58