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Abstract

Four strains of grew autotrophically with H, as the energy source in the absence of an organic carbon substrate. Growth experiments with CO, showed that 45% of the dry weight was carbon incorporated from CO. Autotrophically grown cells showed significant H-dependent CO, fixation and high activities of H,-uptake hydrogenase and ribulose-1,5-bisphosphate carboxylase compared with cells grown heterotrophically. Of several other aerobic N,-fixing bacteria tested (excluding ), only was able to grow autotrophically.

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/content/journal/micro/10.1099/00221287-119-2-547
1980-08-01
2025-01-24
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