期刊
JOURNAL OF ELECTRON MICROSCOPY
卷 49, 期 3, 页码 459-462出版社
OXFORD UNIV PRESS
DOI: 10.1093/oxfordjournals.jmicro.a023829
关键词
AFM; bacteria; turgor pressure; mechanical; envelope
类别
A theoretical approach for the description of the deformation of the envelope of a spherical Gram-negative bacteria is presented. It is shown that the force-displacement relation taken on top of bacteria is accurately approximated by a linear dependence. The bacterial rigidity is shown to be controlled mainly by its turgor pressure, while the lateral rigidity of the bacterial wall determines the distance from the tip at which the displacement vanishes.
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