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. 1996 Dec;178(24):7311–7315. doi: 10.1128/jb.178.24.7311-7315.1996

13C nuclear magnetic resonance analysis of glucose and citrate end products in an ldhL-ldhD double-knockout strain of Lactobacillus plantarum.

T Ferain 1, A N Schanck 1, J Delcour 1
PMCID: PMC178649  PMID: 8955418

Abstract

We have examined the metabolic consequences of knocking out the two ldh genes in Lactobacillus plantarum using 13C nuclear magnetic resonance. Unlike its wild-type isogenic progenitor, which produced lactate as the major metabolite under all conditions tested, ldh null strain TF103 mainly produced acetoin. A variety of secondary end products were also found, including organic acids (acetate, succinate, pyruvate, and lactate), ethanol, 2,3-butanediol, and mannitol.

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Selected References

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