3.5.99.5 | more |
spontaneous mutants HS121(pNB2) during serial transfer on nonselective agar plates, can not grow on nitrobenzene as the sole source of carbon, nitrogen and energy, have lost plasmid pNB1, plasmid-cured HS124 mutant, obtained by incubating the parent strain at an elevated temperature, have lost plasmid pNB2 and also can not grow on nitrobenzene |
-, 669076 |