Some observations on growth and hydrogen uptake by Desulfovibrio vulgaris

Khosrovi, Behzad; Macpherson, Rhona; Miller, Jonathan D.

doi:10.1007/bf00406220

Cited by 18 publications

(7 citation statements)

References 13 publications

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“…Growth yields of sulfate-reducing bacteria on lactate plus sulfate, on pyruvate plus sulfate, and on pyruvate plus sulfite have been reported to be almost identical (586,682). Furthermore, the oxidation of H2 appears to contribute little to the energy metabolism of sulfate-reducing bacteria growing on lactate plus sulfate (307). These findings can best be explained if it is assumed that all of the ATP required for sulfate activation to APS is formed during APS reduc-tion to sulfite and that the reduction of 1 mol of sulfite to sulfide is coupled with the synthesis of only 1 mol of ATP (P/2e-= 1/3).…”

Section: Hso3-+ 3h2 -* Sh-+ 3h20mentioning

confidence: 99%

Energy conservation in chemotrophic anaerobic bacteria.

Thauer¹,

Jungermann²,

Decker³

1977

Bacteriological Reviews

2,460

1,166

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Section: Hso3-+ 3h2 -* Sh-+ 3h20mentioning

confidence: 99%

Energy conservation in chemotrophic anaerobic bacteria.

Thauer¹,

Jungermann²,

Decker³

1977

Bacteriological Reviews

2,460

1,166

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“…In the case of acetate as an electron donor, the Km values for the SRB and MPB are, respectively, 12 mg/liter (0.2 mM) and 180 mg/liter (3 mM). Finally, from a purely thermodynamical point of view, the reduction of sulfate is energetically slightly more favorable than the reduction of bicarbonate (10).…”

mentioning

confidence: 99%

Sulfate Reduction Relative to Methane Production in High-Rate Anaerobic Digestion: Microbiological Aspects

Isa

Grusenmeyer

Verstraete

1986

Appl Environ Microbiol

227

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acetate (medium A) or acetate together with ethanol (medium AE) digested in high-rate anaerobic reactors. The purpose of this paper is to examine in more detail why the SRB were apparently not able to scavenge the major part of the electron flow under those conditions. Several factors which could affect the activities of the SRB were investigated. These include the possible feedback inhibition of H2S on SRB, iron availability for the SRB, the effect of the SRB inocula, substrate concentration, and the capacity of the SRB to colonize and adhere in the carrier matrix of the reactor. The effect of iron availability was investigated because it has been reported that the SRB have an absolute requirement for iron (2, 13, 17). A deficiency of this element could severely affect the growth of the SRB.

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“…Hydrogen does not appear to be involved in this latter type of respiration, as hydrogen is not produced or utilized in significant quantities and a hydrogenase-free strain of D. desulfuricans has been reported to grow normally on lactate or pyruvate and sulfate (21). Furthermore, the oxidation of H2 has been reported to contribute little to the energy metabolism of D. vulgaris growing on lactate (10).…”

mentioning

confidence: 99%