大肠杆菌中细胞生长和浮力密度的渗透调节证据。
Evidence for osmoregulation of cell growth and buoyant density in Escherichia coli.
作者信息
Baldwin W W, Kubitschek H E
出版信息
J Bacteriol. 1984 Jul;159(1):393-4. doi: 10.1128/jb.159.1.393-394.1984.
Abstract
The buoyant density of cells of Escherichia coli B/r NC32 increased with the osmolarity of the growth medium. Growth rate and its variability were also dependent upon the osmolarity of the medium. Maximum growth rates and minimum variability of these rates were obtained in Luria broth by addition of NaCl to a concentration of about 0.23 M.
摘要
大肠杆菌B/r NC32细胞的浮力密度随着生长培养基的渗透压升高而增加。生长速率及其变异性也取决于培养基的渗透压。通过添加氯化钠至浓度约为0.23 M，在Luria肉汤中可获得这些速率的最大生长速率和最小变异性。
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