1 mal PhoA activity was noted when the culture was aerated.

2 ell in anaerobic medium but poorly when they were aerated.

3 ferent scenarios: (A) where the water within was aerated and heated to 40 degrees C, and (B) with no

4 o H2 O2 was induced when B. thetaiotaomicron was aerated, and in that circumstance this response was

5 eeks of bioreduction, a subset of microcosms was aerated in order to reoxidize the Fe(II) to Fe(III),

6 o, fumarase activity fell to < 5% when cells were aerated; virtually all activity was recovered after

7                              As the cultures were aerated with an air/CO2 mixture, DMS was effectivel