Figure 2. Growth curves of ST2pRK415 and ST2pRKgroEL, after a heat shock at 48 °C during 15 min. There are statistical differences between the growth of the two strains from 133 hours onwards (P < 0.05), detected using T-test, implemented in SPSS V.21 software (SPP Inc., Chicago, U.S.A). Bars represent standard deviation.
