Table 2.
Comparison of FRET‐based direct biosensors
| Biosensor | Analyte | K D | Dynamic range | Ref. |
|---|---|---|---|---|
| ABACUS1‐2µ | ABA | approx. 2 µm | +60% (500 µm ABA) | (Jones et al., 2014) |
| ABACUS1‐80µ | ABA | approx. 80 µm | +160% (500 µm ABA) | (Jones et al., 2014) |
| ABAleon2.1 | ABA | approx. 79 nm | –8.98% | (Waadt et al., 2014) |
| ABAleon2.15 | ABA | approx. 600 nm | –10.09% | (Waadt et al., 2014) |
| ABAleonSD1‐3L21 | ABA | approx. 938 nm | n.d. | (Waadt et al., 2020) |
| GPS1 | GA1 | approx. 110 nm | +60% (200 nm GA1) | (Rizza et al., 2017) |
| GA3 | approx. 240 nm | +40% (200 nm GA3) | (Rizza et al., 2017) | |
| GA4 | approx. 24 nm | +90% (200 nm GA4) | (Rizza et al., 2017) |