丙酸杆菌属谢氏亚种天冬氨酸和乳酸代谢中的柠檬酸循环中间产物。
Citrate Cycle Intermediates in the Metabolism of Aspartate and Lactate by Propionibacterium freudenreichii subsp. shermanii.
机构信息
New Zealand Dairy Research Institute, Palmerston North, New Zealand.
出版信息
Appl Environ Microbiol. 1987 Oct;53(10):2600-2. doi: 10.1128/aem.53.10.2600-2602.1987.
Abstract
Propionibacterium freudenreichii subsp. shermanii metabolized 7 mol of aspartate to 6 mol of succinate, 4 mol of CO(2), and 7 mol of ammonia. When lactate, sparged with 100% CO(2), was fermented at pH 5.5, unexpectedly high ratios of propionate to acetate were obtained (i.e., 3.2 to 3.8:1). Citrate cycle intermediates may be involved in these fermentations.
摘要
谢氏丙酸杆菌亚种发酵天冬氨酸产生 6 摩尔琥珀酸、4 摩尔二氧化碳和 7 摩尔氨，消耗 7 摩尔天冬氨酸。当用 100%二氧化碳饱和的乳酸在 pH5.5 发酵时，出乎意料地得到了高比例的丙酸和乙酸（即 3.2 比 3.8）。柠檬酸循环中间产物可能参与了这些发酵过程。
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