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Efficient Homofermentative l -(+)-Lactic Acid Production from Xylose by a Novel Lactic Acid Bacterium, Enterococcus mundtii QU 25

2010; American Society for Microbiology; Volume: 77; Issue: 5 Linguagem: Inglês

10.1128/aem.02076-10

1098-5336

Mohamed Ali Abdel‐Rahman, Yukihiro Tashiro, Takeshi Zendo, Katsuhiro Hanada, Keisuke Shibata, Kenji Sonomoto,

Microbial Metabolic Engineering and Bioproduction

Enterococcus mundtii QU 25, a newly isolated lactic acid bacterium, efficiently metabolized xylose into l-lactate. In batch fermentations, the strain produced 964 mM l-(+)-lactate from 691 mM xylose, with a yield of 1.41 mol/mol xylose consumed and an extremely high optical purity of ≥99.9% without acetate production.