TABLE 2

Transformation frequencies and levels of sexual isolation using purely donor-derived PCR-amplified DNA

Frequency of transformation (×10−3)Sexual isolation
DonorWild-type recipient (1A96)ΔMutSL recipient (PB 1856)Wild-type recipient (1A96)ΔMutSL recipient (PB 1856)
B. subtilis subsp. subtilis 1A961.575 ± 0.428a2.893 ± 0.401a11
B. subtilis subsp. subtilis RONN11.743 ± 0.6172.819 ± 0.4911.174 ± 0.197a1.059 ± 0.057a
B. subtilis subsp. spizizeni ROE20.804 ± 0.1671.983 ± 0.2251.875 ± 0.2561.477 ± 0.164
B. mojavensis ROC20.767 ± 0.1961.609 ± 0.3292.313 ± 0.3152.043 ± 0.269
B. arophaeus NRRL NRS-2130.153 ± 0.0520.491 ± 0.15714.81 ± 4.385.972 ± 0.547
B. amyloliquefaciens ATCC 233500.025 ± 0.0060.173 ± 0.04464.89 ± 4.8320.30 ± 3.73
B. licheniformis ATCC 145800.0032 ± 0.00080.0069 ± 0.0017471.0 ± 27.9354.8 ± 83.7
  • a Mean and standard error values for four experimental trials.