皮肤微球菌科对乳酸的利用
Lactic acid utilization by the cutaneous Micrococcaceae.
作者信息
Smith R F
出版信息
Appl Microbiol. 1971 Apr;21(4):777-9. doi: 10.1128/am.21.4.777-779.1971.
Abstract
Human cutaneous staphylococci and micrococci utilized lactic acid as an energy source on a minimal medium. Propionic acid was not utilized, but l(+)-lactic acid and pyruvic acid could replace ld-lactic acid as a substrate. Selected strains of cocci were inhibited more by the l(+) and d(-) forms of lactic acid than the balanced ld form, particularly at pH 5.6. With proper dilution of substrate, lactic acid was utilized by selected strains in the presence of 10 mug of oleic and palmitic acids per ml.
摘要
人皮肤葡萄球菌和微球菌可在基本培养基上利用乳酸作为能量来源。丙酸不能被利用，但L(+)-乳酸和丙酮酸可替代DL-乳酸作为底物。某些球菌菌株受L(+)和D(-)型乳酸的抑制比受平衡的DL型乳酸的抑制更大，尤其在pH 5.6时。通过适当稀释底物，在每毫升含有10微克油酸和棕榈酸的情况下，某些菌株可利用乳酸。
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本文引用的文献
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A classification of micrococci and staphylococci based on physiological and biochemical tests.基于生理和生化测试的微球菌和葡萄球菌分类
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