PHYSIOLOGY AND GROWTH Nitrogen Fixation by Gloeothece sp. PCC 6909: Respiration and Not Photosynthesis Supports Nitrogenase Activity in the Light PAUL S. MARYAN, ROBERT R. EADY, ALAN E. CHAPLIN, JOHN R. GALLON p. 789–796 https://doi.org/10.1099/00221287-132-3-789