Pathways of Glucose Metabolism by Rough and Smooth Variants of Bacillus stearothermophilus1

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RESUMO

The radiorespirometric method was used to study the pathways of glucose metabolism in the rough and smooth variants of Bacillus stearothermophilus NCA 1518. The Embden-Meyerhof (EM) pathway was more active in the smooth variant than in the rough variant. The participation of the hexose monophosphate shunt (HMP) and EM pathways in the smooth variant was calculated as 4.2 and 95.8%, respectively. The rough variant utilized glucose via the EM pathway exclusively or in combination with a pathway other than the HMP pathway. The estimated efficiency of the tricarboxylic acid system in the rough and smooth variants was 81.3 and 4.9%, respectively.

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