The role of quinate and shikimate in the metabolism of lactobacilli |
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Authors: | G C Whiting R A Coggins |
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Institution: | (1) Long Ashton Research Station, University of Bristol, BS18 9AF Bristol, England |
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Abstract: | The metabolism of (–)-quinate and shikimate by one heterofermentative strain,actobacillus pastorianus, and by one homofermentative strain,Lactobacillus plantarum, has been studied using growing and washed cells. Both organisms reduced quinate and shikimate under anaerobic conditions in the presence of suitable hydrogen donors including fructose, glucose andd(–) andl(+)-lactates. The end-product ofL.pastorianus metabolism was dihydroshikimate butL.plantarum carried the reduction a stage further tocis-3,4-dihydroxycyclohexanecarboxylate and formed, simultaneously, catechol. The enzymes involved in these reductions are induced; their importance in the metabolism of lactobacilli is discussed. |
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