精氨酸对口腔细菌变形链球菌10449在不同浓度葡萄糖中体外产酸的影响。
The effect of arginine on in-vitro acid production by the oral bacterium Streptococcus mutans 10449 in various concentrations of glucose.
作者信息
Duguid R
机构信息
Department of Periodontology and Community Dentistry, University of Dundee, Scotland, U.K.
出版信息
Arch Oral Biol. 1987;32(3):175-9. doi: 10.1016/0003-9969(87)90131-2.
PMID:3478019
Abstract
Acid production was measured both with constant pH and with the pH being allowed to fall. Under both conditions 10 mM arginine reduced it. There was also evidence that arginine reduced the rate of uptake of glucose by the bacterium. Thus arginine may affect the rate of glucose transport or catabolism by Strep. mutans 10449, and has more than a simple buffering effect on these cultures.
摘要
在pH恒定和pH下降两种情况下均测量了酸的产生。在这两种条件下，10 mM精氨酸均可降低酸的产生。还有证据表明，精氨酸降低了细菌对葡萄糖的摄取速率。因此，精氨酸可能会影响变形链球菌10449对葡萄糖的转运或分解代谢速率，并且对这些培养物具有不止一种简单的缓冲作用。
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