在低浓度胸腺嘧啶环境中生长的需胸腺嘧啶大肠杆菌的细胞大小和形状变化。
Changes in cell size and shape in thymine-requiring Escherichia coli associated with growth in low concentrations of thymine.
作者信息
Begg K J, Donachie W D
出版信息
J Bacteriol. 1978 Feb;133(2):452-8. doi: 10.1128/jb.133.2.452-458.1978.
Abstract
Thymine auxotrophs of three unrelated strains of Escherichia coli (K-12, B/r, and 15) were grown in media containing various concentrations of thymine. During steady-state growth conditions, cell volume increased as thymine concentration decreased but, in contrast to previous reports, this change was due to an increase in cell length without change in cell diameter.
摘要
三种不相关的大肠杆菌菌株（K-12、B/r和15）的胸腺嘧啶营养缺陷型在含有不同浓度胸腺嘧啶的培养基中生长。在稳态生长条件下，细胞体积随着胸腺嘧啶浓度的降低而增加，但与之前的报道相反，这种变化是由于细胞长度增加而细胞直径不变。
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