Table 1.
Detailed description of S. meliloti 1021 gene clusters missing from the S. meliloti AK21 genome
| Gene Clusters | Size (kb) | Gene IDa | Number of genes | Annotated functions |
|---|---|---|---|---|
| C1 | 19.6 | SMc02187–SMc02151 | 14 | Conserved hypothetical proteins; helicase DNA-binding protein |
| C2 | 18.1 | SMc02326–SMc02303 | 18 | Restriction-modification system (hsdM/S/R) |
| C3 | 10 | SMc00267–SMc00276 | 10 | Dehydrogenase; transketolase; transporter system; transcriptional regulator |
| C4 | 7.8 | SMc00504–SMc00497 | 8 | Transcriptional regulator; putative transmembrane proteins |
| C5 | 11.6 | SMc01741–SMc01554 | 13 | Conserved hypothetical proteins; acyl transferases; acyl carrier protein |
| C6 | 79.1 | SMc03246–SMc03769 | 63 | Temperate phage insertion; peptide/amino-acid metabolism and transport |
| A1 | 97.3 | SMa0298–SMa0476 | 94 | Transcriptional regulator; amino acid metabolism; deshydrogenase; ABC transporter systems; adenylate/guanylate cyclase (cyaI2) |
| A2 | 92.8 | SMa0947–SMa1141 | 107 | ABC transporter systems; adenylate/guanylate cyclase (cyaP); regulatory elements; cation transport |
| A3 | 66 | SMa2113–SMa2245 | 59 | ABC transporter systems; dehydrogenases; oxidoreductases; aminotransferases |
| A4 | 15.4 | SMa2337–SMa2341 | 11 | Rhizobactin biosynthesis and transport |
| B1 | 21.2 | SMb20823–SMb20841 | 22 | Capsular biosynthesis and export |
aGene identification according to the annotated genome of S. meliloti 1021.