Nitrogenase and photosynthetic activities of chemostat cultures of Rhodobacter capsulatus 37b4 grown under different illuminations

@article{Steinborn1989NitrogenaseAP,
  title={Nitrogenase and photosynthetic activities of chemostat cultures of Rhodobacter capsulatus 37b4 grown under different illuminations},
  author={Birgitta Steinborn and Juergen Oelze},
  journal={Archives of Microbiology},
  year={1989},
  volume={152},
  pages={100-104}
}
Nitrogen fixation as well as structural and functional properties of the photosynthetic apparatus were studied with phototrophically grown chemostat cultures of Rhodobacter capsulatus strain 37b4. Illumination was varied between 3,000 and 30,000 lx at a constant dilution rate of D=0.075 h-1. Steady state parameters of growth revealed two forms of limitation, i.e. energy limitation in the range of 3,000 to about 10,000 lx and nitrogen limitation at higher illuminations. Over the entire range of… CONTINUE READING

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Ammonia and light

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