Table 2.
Documented growth rates (μ) and nitrogen fixation rates (NF) of T. erythraeum grown under low (350 ~ 400 μatm) and high (750 ~ 1,400 μatm, values in the brackets) CO2 conditions.
| References | Strain | Light (μE m−2 s−1) | T (°C) | μ | % (μ) | NF^ | % (NF) | Methods# |
|---|---|---|---|---|---|---|---|---|
| Hutchins et al. (2007) | GBR | 100 | 25 | 0.29 (0.36) | 24%* | 18.3 (26.1) | 43%* | ARA |
| IMS101 | 100 | 25 | 0.35 (0.39) | 11% | 14.8 (20.0) | 35%* | ||
| Levitan et al. (2007) | IMS101 | 80–120 | 25 | 0.17 (0.26) | 53%* | 5.6 (16.8) | 200%* | ARA |
| Kranz et al. (2010) | IMS101 | 200 | 25 | 0.39 (0.43) | 11%* | 7.6 (16.7) | 120%* | ARA |
| Levitan et al. (2010) | IMS101 | 80 | 25 | 0.17 (0.33) | 94%* | 4.4 (20.0) | 355%* | ARA |
| Garcia et al. (2011) | IMS101 | 100 | 27 | 0.22 (0.31) | 41%* | 12.6 (15.1) | 20% | 15N |
| 220 | 27 | 0.27 (0.38) | 41%* | 18.1 (23.8) | 31%* | 15N | ||
| Shi et al. (2012) | IMS101 | 90 | 27 | 0.26 (0.19) | −27%* | 2.5 (1.6) | –34%* | 15N |
| 27 | 0.46 (0.37) | −20%* | 3.4 (1.7) | −50%* | 15N | |||
| Eichner et al. (2014) | IMS101 | 150 | 25 | 0.34 (0.31) | −9%* | 6.2 (10.6) | 71%* | ARA |
| Hutchins et al. (2015) | IMS101 | 120 | 26 | 0.25 (0.36) | 44%* | 13.0 (18.6) | 43%* | ARA |
| Hong et al. (2017) | IMS101 | 80 | 27 | 0.57 (0.47) | −18%* | 13.1 (10.6) | −19%* | ARA |
| Zhang et al. (2022) | IMS101 | 80 | 27 | 0.2 (0.2) | — | 7.6 (5.3) | −30%* | 15N |
| Yi and Gao (2022) | IMS101 | sunlight | 25 | 0.16 (0.14) | −12% | 4.7 (4.6) | −1% | ARA |
| This study | IMS101 | 160 | 27 | 0.53 (0.52) | −2% | 8.4 (19.2) | 129%* | ARA |
“%” represents the percentage of decrease (−) or increase due to the elevated pCO2.
The values marked with “*” indicate significant change (p < 0.05).
^
N2 fixation rates per h−1 based either on chl a or cell number.
#
acetylene reduction method (ARA) or 15N2 isotope tracer method for N2 fixation measurement.