Table 1.
Effect of gene disruption or overexpression on heat resistance of E. coli.
| Escherichia coli serotype or strain number | Heat conditions (T/time) | Lethality (logN/N0) | Medium /products | Reference |
|---|---|---|---|---|
| MC4100 (parental strain) KY1601 (△rpoH) |
57°C, 2 min | <0.1 >3.5 |
M9 medium | Jenkins et al., 1991 |
| AB1157 (parental strain) JI132 (△sodA sodB strain) |
48°C, 2 h | <0.5 >6 |
LB broth | Benov and Fridovich, 1995 |
| ATCC 43895 (parental strain) FRIK 816-3 (△rpoS) |
55°C, 7 min | <1 >4 |
Fermented sausage |
Cheville et al., 1996 |
| MC4100 MC4100 (△ibpA/B) |
50°C, 4 h | <2 >3 |
LB broth | Kuczyñska-Wiśnik et al., 2002 |
| W6-13 (parental strain) M4020 (△wca) |
60°C, 5 min | 3.3 6.6 |
Minimal glucose broth |
Mao et al., 2001 |
| AW1.7 AW1.7 (△cfa) |
60°C, 30 min | 2.0 3.1 |
LB broth | Chen and Gänzle, 2016 |
| MG1655 MG1655 (△cfa) |
57°C, 15 min | 1.3 2.2 |
LB broth | Chen and Gänzle, 2016 |
| BL21 overexpression of IbpA/IbpB |
50°C, 30 min | 1.5 0.7-0.9 |
M9 medium | Kitagawa et al., 2000 |
|
E. coli W3110 overexpression of EvgA |
50°C, 2 h | 5 1.5 |
TY broth | Christ and Chin, 2008 |
| GGG10 overexpression of NmpC |
60°C, 1 min | 3.5 0.5 |
LB broth | Ruan et al., 2011 |
| AW1.7 (pRK767) AW1.7 △pHR1 (pRK767) AW1.7 △pHR1 (pLHR) |
60°C, 5 min | <1 >8 <1 |
LBbroth | Mercer et al., 2015 |
LB, Luria-Bertani; TY, Tryptone-yeast extract.