Growth characteristics of fabF disruption mutant P. profundum strain EA40 and strain DB110 as a function of temperature (A) and pressure (B). (A) ●, DB110 at 15°C; ○, EA40 at 15°C; ■, DB110 at 4°C; □, EA40 at 4°C. (B) ●, DB110 at 28 MPa; ○, EA40 at 28 MPa; ■, DB110 at 0.1 MPa; □, EA40 at 0.1 MPa.