Table 2.
Plate assays of EPS production, extracellular protease activity and swarming ability of Xoc strains.
| Gene ID | Gene name | Strain | EPSa | Swarming (%)b | Extracellular enzymes (%)c |
|---|---|---|---|---|---|
| GX01 | III | 100 | 100 | ||
| GX_XOC0263 | ntrC, glnG | NK0263 | III | 76.19 ± 16.5 | 98.18 ± 14.55 |
| GX_XOC0286 | ntrC family | NK0286 | III | 88.1 ± 20.62 | 147.5 ± 2.82* |
| GX_XOC0329 | narL family | NK0329 | III | 119.05 ± 16.5 | 87.08 ± 10.21 |
| GX_XOC0538 | – | NK0538 | I | 47.62 ± 16.5* | 109.38 ± 8.06 |
| GX_XOC0615 | algR | NK0615 | III | 102.38 ± 20.62 | 87.4 ± 10.31 |
| GX_XOC0677 | sreR | NK0677 | III | 171.43 ± 12.37* | 27.93 ± 14.28* |
| GX_XOC0722 | ompR family | NK0722 | III | 88.1 ± 20.62 | 108.94 ± 2.77 |
| GX_XOC0758 | kdpE | NK0758 | III | 111.9 ± 16.5 | 114.1 ± 16.57 |
| GX_XOC0833 | colR, detR | NK0833 | III | 133.62 ± 16.5 | 93.41 ± 17.75 |
| GX_XOC0882 | cheY family | NK0882 | I | 40.48 ± 4.12* | 107.01 ± 4.99 |
| GX_XOC1041 | phoB | NK1041 | III | 85.71 ± 12.37 | 52.77 ± 3.96* |
| GX_XOC1120 | pilH | NK1120 | II | 90.48 ± 16.5 | 98.79 ± 11.45 |
| GX_XOC1197 | colR, raxR | NK1197 | III | 102.38 ± 20.62 | 87.06 ± 3.63 |
| GX_XOC1206 | narL family | NK1206 | III | 88.1 ± 20.62 | 80 ± 9.18 |
| GX_XOC1459 | cheB1 | NK1459 | III | 95.24 ± 20.62 | 112.57 ± 10.18 |
| GX_XOC1461 | vieA1 | NK1461 | III | 95.24 ± 20.62 | 108.7 ± 6.58 |
| GX_XOC1513 | adeR | NK1513 | I | 73.81 ± 8.25* | 110.63 ± 5.32 |
| GX_XOC1838 | pcrR | NK1838 | III | 102.38 ± 20.62 | 109.78 ± 2.92 |
| GX_XOC1848 | pleD | NK1848 | III | 90.48 ± 16.5 | 88.1 ± 12.15 |
| GX_XOC2023 | regA | NK2023 | III | 126.19 ± 16.5 | 95.16 ± 8.36 |
| GX_XOC2103 | rpfG | NK2103 | II | 138.1 ± 20.62 | 52.01 ± 13.63* |
| GX_XOC2117 | cheB2 | NK2117 | III | 119.05 ± 16.5 | 106.39 ± 18.95 |
| GX_XOC2142 | cheY | NK2142 | III | 159.52 ± 20.62* | 50.74 ± 0.95* |
| GX_XOC2163 | cheY | NK2163 | III | 145.24 ± 20.62* | 82.32 ± 21.29 |
| GX_XOC2201 | vemR | NK2201 | I | 59.52 ± 8.25* | 96.05 ± 13.21 |
| GX_XOC2203 | citB | NK2203 | II | 128.57 ± 12.37 | 107.37 ± 7.86 |
| GX_XOC2221 | cheV | NK2221 | V | 166.67 ± 20.62* | 52.45 ± 5.41* |
| GX_XOC2227 | ravR, pdeR | NK2227 | I | 64.29 ± 12.37* | 82.57 ± 17.56 |
| GX_XOC2300 | – | NK2300 | IV | 111.9 ± 16.5 | 79.66 ± 11.78 |
| GX_XOC2338 | ompR, virG | NK2338 | V | 280.95 ± 8.25* | 72.82 ± 24.19 |
| GX_XOC2384 | gacA | NK2384 | II | 95.24 ± 20.62 | 80.23 ± 24.21 |
| GX_XOC2451 | – | NK2451 | II | 92.86 ± 12.37 | 51.04 ± 2.95* |
| GX_XOC2969 | – | NK2969 | III | 95.24 ± 20.62 | 81.43 ± 19.36 |
| GX_XOC3092 | pilH | NK3092 | III | 109.52 ± 4.12 | 80.47 ± 16.24 |
| GX_XOC3093 | pilG | NK3093 | V | 245.24 ± 20.62* | 88.76 ± 9.32 |
| GX_XOC3121 | cheY family | NK3121 | IV | 90.48 ± 16.5 | 98.86 ± 9.78 |
| GX_XOC3223 | hrpG | NK3223 | IV | 107.14 ± 12.37 | 93.75 ± 13.07 |
| GX_XOC3288 | pilR | NK3288 | III | 123.81 ± 20.62 | 92.96 ± 13.29 |
| GX_XOC3305 | colR, vgrR | NK3305 | III | 109.52 ± 20.62 | 84.55 ± 12.94 |
| GX_XOC3382 | qseB | NK3382 | III | 102.38 ± 20.62 | 80.85 ± 22.16 |
| GX_XOC3485 | gsmR | NK3485 | IV | 97.62 ± 16.5 | 106.56 ± 6.58 |
| GX_XOC3522 | – | NK3522 | I | 61.9 ± 16.5* | 101.51 ± 11.13 |
| GX_XOC3525 | tctD | NK3525 | II | 88.1 ± 20.62 | 152.42 ± 3.37* |
| GX_XOC3684 | hpaR2 | NK3684 | II | 104.76 ± 16.5 | 50.89 ± 17.65* |
| GX_XOC3745 | ompR family | NK3745 | III | 111.9 ± 16.5 | 107.71 ± 5.92 |
| GX_XOC3771 | lytTR family | NK3771 | III | 138.1 ± 20.62 | 83.27 ± 20.97 |
| GX_XOC3778 | – | NK3778 | III | 130.95 ± 20.62 | 79.43 ± 14.72 |
| GX_XOC3779 | xerR, xibR, xbmR | NK3779 | III | 126.19 ± 16.5 | 153.69 ± 3.25* |
| GX_XOC3947 | vieA2 | NK3947 | III | 123.81 ± 20.62 | 81.34 ± 14.71 |
| GX_XOC4109 | smeR, baeR | NK4109 | II | 73.81 ± 8.25* | 51.6 ± 4.61* |
| CNK2201 | III | 89.84 ± 15.6 | 90 ± 8.18 |
aFive level is divided according colony morphology of RR mutants on NA with 2% sucrose. bThe ratio of colony diameter of each RR mutant to that of wild-type strain, on semi-solid nutrient medium with 0.6% agar. cThe ratio of transparent area ratio of each RR mutant to that of wild-type strain, on NA with 1% skim milk. ∗ indicates significance at P < 0.05.