10.1371/journal.pone.0208282.g007
Keisuke Inomura
Keisuke
Inomura
Jason Bragg
Jason
Bragg
Lasse Riemann
Lasse
Riemann
Michael J. Follows
Michael
J. Follows
Respiration per protein as a function of C/N.
Public Library of Science
2018
ambient oxygen concentration
organism respires carbohydrate
nitrogen fixation
heterotrophic nitrogen fixer Azotobacter vinelandii
ammonium Nitrogen fixation
model
2018-11-29 19:01:56
Figure
https://plos.figshare.com/articles/figure/Respiration_per_protein_as_a_function_of_C_N_/7402253
<p>Data (points) are shown as well as results of two simulation models. In one simulation (Sim1) energetically excess respiration can occur both during nitrogen fixation and during nitrogen limited growth on ammonium. In the second model (Sim2) excess respiration is allowed only during nitrogen fixation. Sim1 and Sim2 produce same amount of biomass. (i) 30% O<sub>2</sub> and (ii) 60% O<sub>2</sub>. Solids lines and points are same as <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0208282#pone.0208282.g003" target="_blank">Fig 3B</a>. The dilution rate is constant of 0.15 h<sup>-1</sup>, and red dashed lines show borders between different regimes (A: Carbohydrate limited, B: Ammonium limited, C: Nitrogen fixing as defined in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0208282#pone.0208282.g005" target="_blank">Fig 5</a>). Here 100% O<sub>2</sub> equals 225 μM thus approximately O<sub>2</sub> saturation under normal air composition at 30°C.</p>