Respiratory system of Gluconacetobacter diazotrophicus PAL5. Evidence for a cyanide-sensitive cytochrome bb and cyanide-resistant cytochrome ba quinol oxidases.

@article{Gonzlez2006RespiratorySO,
  title={Respiratory system of Gluconacetobacter diazotrophicus PAL5. Evidence for a cyanide-sensitive cytochrome bb and cyanide-resistant cytochrome ba quinol oxidases.},
  author={Beatriz Gonz{\'a}lez and Salette Martinez and Jorge L Chavez and Sannamu Lee and Natalie A Castro and Miguel A Dominguez and Stephanie Gomez and M. Leonor Contreras and Charles Kennedy and Jos{\'e} Edgardo Escamilla},
  journal={Biochimica et biophysica acta},
  year={2006},
  volume={1757 12},
  pages={1614-22}
}
In highly aerobic environments, Gluconacetobacter diazotrophicus uses a respiratory protection mechanism to preserve nitrogenase activity from deleterious oxygen. Here, the respiratory system was examined in order to ascertain the nature of the respiratory components, mainly of the cyanide sensitive and resistant pathways. The membranes of G. diazotrophicus contain Q(10), Q(9) and PQQ in a 13:1:6.6 molar ratios. UV(360 nm) photoinactivation indicated that ubiquinone is the electron acceptor for… CONTINUE READING

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