TABLE 1 .
Peaks in the expression of all cycling genes in Synechocystis PCC 6803 across various functional categoriesa
| Functional category (no. of genes) | No. of genes with peak expression at: |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D1 | D3 | D5 | D7 | D9 | D11 | L1 | L3 | L5 | L7 | L9 | L11 | |
| Amino acid metabolism (42) | 4 | 0 | 0 | 1 | 1 | 8 | 14 | 9 | 2 | 1 | 1 | 1 |
| Biosynthesis of cofactors (62) | 4 | 1 | 0 | 5 | 1 | 14 | 22 | 9 | 3 | 2 | 0 | 1 |
| Cell envelope (37) | 0 | 0 | 0 | 0 | 1 | 5 | 13 | 13 | 1 | 4 | 0 | 0 |
| Cellular processes (27) | 1 | 1 | 0 | 2 | 1 | 7 | 11 | 3 | 0 | 1 | 0 | 0 |
| Central intermediary metabolism (13) | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 4 | 0 | 0 | 1 | 0 |
| DNA replication, restriction, modification and repair (28) | 2 | 0 | 0 | 1 | 1 | 11 | 7 | 4 | 0 | 1 | 1 | 0 |
| Energy metabolism (41) | 2 | 0 | 0 | 0 | 2 | 6 | 19 | 9 | 0 | 1 | 1 | 1 |
| Fatty acid, phospholipid, sterol metabolism (13) | 0 | 0 | 0 | 0 | 0 | 1 | 9 | 1 | 0 | 0 | 0 | 2 |
| Other categories (92) | 5 | 0 | 3 | 7 | 10 | 24 | 15 | 19 | 2 | 1 | 3 | 3 |
| Photosynthesis and respiration (106) | 1 | 1 | 0 | 1 | 1 | 5 | 14 | 69 | 1 | 4 | 5 | 4 |
| Purine, pyrimidines, nucleosides and nucleotides (14) | 0 | 0 | 0 | 1 | 0 | 3 | 7 | 3 | 0 | 0 | 0 | 0 |
| Regulatory functions (62) | 5 | 2 | 2 | 5 | 5 | 21 | 12 | 7 | 0 | 2 | 1 | 0 |
| Transcription (15) | 1 | 0 | 0 | 2 | 1 | 0 | 5 | 4 | 1 | 1 | 0 | 0 |
| Translation (53) | 1 | 0 | 0 | 2 | 1 | 10 | 27 | 10 | 1 | 1 | 0 | 0 |
| Transport and binding proteins (70) | 2 | 2 | 2 | 5 | 3 | 25 | 16 | 8 | 3 | 0 | 3 | 1 |
| Unassigned and hypothetical (670) | 31 | 7 | 15 | 51 | 44 | 145 | 173 | 113 | 32 | 25 | 16 | 18 |
a
Functional categories were assigned on the basis of the CyanoBase database (http://bacteria.kazusa.or.jp) The values were calculated as described in Materials and Methods and averaged over two 24-h time courses.