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Siefert, E. ; Pfennig, N.

Diazotrophic growth of Rhodopseudomonas acidophila and Rhodopseudomonas capsulata under microaerobic conditions in the dark.

Arch. Microbiol. 125, 73-77 (1980)
Verlagsversion DOI
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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Diazotrophy of Rhodopseudomonas acidophila and Rhodopseudomonas capsulata was not obligatorily linked to photosynthesis. In the dark R. acidophila grew with dinitrogen as sole nitrogen source at a dissolved oxygen tension of 15 Torr (= 2.0 kPa); the doubling time was 8 h. Acetylene reduction by whole cells was more sensitive to oxygen in the light than in the dark. 16.5 mg N2 were fixed per g lactic acid consumed. R. capsulata synthesized nitrogenase and fixed dinitrogen in the dark at a dissolved oxygen tension of less than one Torr (= 0.13 kPa). The doubling time of this bacterium was 16 h and 10.5 mg N2 were fixed per g lactic acid consumed.
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Publikationstyp Sonstiges: Korrektur, Ergänzung
Schlagwörter Rhodopseudomonas acidophila; Rhodopseudomonas capsulata; Diazotrophic growth in the dark; Oxygen sensitivity of nitrogenase activity; Efficiency of microaerobic N2-fixation
ISSN (print) / ISBN 0003-9276
e-ISSN 1432-072X
Zeitschrift Archives of Microbiology
Quellenangaben Band: 125, Heft: 1-2, Seiten: 73-77 Artikelnummer: , Supplement: ,
Verlag Springer
Begutachtungsstatus Peer reviewed
Institut(e) Institut für Mikrobiologie