Table 6 SMc00911-disruption strains out-compete S. meliloti 1021 wild type for nodule occupancy
Inoculum | Number of nodules tested* | Number of nodules containing no neomycin-resistant bacteria | Number of nodules containing only neomycin-resistant bacteria | Number of nodules containing a mixture of neomycin-resistant and sensitive bacteria | Average percent of neomycin-resistant bacteria in mixed nodules |
|---|---|---|---|---|---|
S. meliloti 1021 wild type (neomycin-sensitive) | 8 | 4 = 100% | 0 = 0% | 0 = 0% | N/A |
SMc00911.original (neomycin-resistant) | 16 | 0 = 0% | 16 = 100% | 0 = 0% | N/A |
SMc00911.Xsd1 (neomycin-resistant) | 16 | 0 = 0% | 15 = 93.8% | 1 = 6.3% | 95.2% ± 0.00% |
SMc00911.original:1021—mixed 1:1 | 32 | 7 = 21.9% | 18 = 56.3% | 7 = 21.9% | 67.4% ± 14.2% |
SMc00911.Xsd1:1021—mixed 1:1 | 31 | 2 = 6.5% | 21 = 67.7% | 8 = 25.8% | 76.7% ± 9.8% |