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Phenotypes of the wild-type strain and nas deletion mutants of K. oxytoca
| Strain | Genotype | Growth on nitrogen-free mediuma
|
|||
|---|---|---|---|---|---|
| No supplement | +NO3− | +NO2− | +NH4+ | ||
| VJSK2089 | nas+ | − | ++ | ++ | ++ |
| VJSK1973 | ΔnasF132 | − | ± | ++ | ++ |
| VJSK1974 | ΔnasE133 | − | − | ++ | ++ |
| VJSK1975 | ΔnasD134 | − | − | ++ | ++ |
| VJSK1976 | Δ(nasFE)135 | − | − | ++ | ++ |
| VJSK1977 | Δ(nasED)136 | − | − | ++ | ++ |
| VJSK1978 | Δ(nasFED)137 | − | − | ++ | ++ |
−, poor growth; ++, good growth; ±, very weak growth after 24 h incubation but substantial growth after 48 h.
