TABLE 4.
Characteristics of BC produced by Komagataeibacter mutants.
| Bacterial strain | Genetic change/modification | Average BC yield (g dry weight L−1) | Density (g/cm3) | Average BC diameter (nm) | Tensile strength (MPa) | Young’s modulus (GPa) | References |
|---|---|---|---|---|---|---|---|
| K. obediens MSKU 3 (parental strain) | — | .33 | .43 ± .05 | 70.52 | 73.94 ± 16.94 | 5.83 ± .69 | Taweecheep et al. (2019) |
| R-30-3 | frameshift mutation in bcsCI encodes cellulose synthase subunit CI | 2.15 | .42 ± .02 | 65.9 | 43.56 ± 10.98 | 3.60 ± .40 | |
| R-30-12 | .53 | .54 ± .01 | 70.14 | 73.42 ± 5.56 | 5.14 ± .58 | ||
| R-37-4 | 1.12 | .72 ± .03 | 59.14 | 158.72 ± 28.29 | 8.75 ± 1.54 | ||
| R-37-9 | .7 | .85 ± .07 | 34.58 | 159.47 ± 29.76 | 9.83 ± .69 | ||
| K. hansenii ATCC 53582 (parental strain) | 6.28 ± .009 | 91 ± 23 | 6.86 ± 1.6 × 10–3 | Jacek et al. (2019a) | |||
| A:kan | Disrupted motA | 1.73 ± .004 | 45 ± 12 | 5.36 ± .9 × 10–3 | |||
| AB:kan | Disrupted motA i motB | 1.36 ± .002 | 41 ± 12 | 5.03 ± 1.3 × 10–3 | |||
| K. hansenii ATCC 23769 (parental strain) | 1.25 ± .12 | 50–70 | .487 ± .116 | 2.41 ± 5.9 × 10–3 | Jacek et al. (2018) | ||
| motAB+ | Overexpression motA and motB | 1.03 ± .09 | 80–110 | .532 ± .110 | 3.02 ± 9.8 × 10–3 |