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. 1976 Sep;127(3):1337–1345. doi: 10.1128/jb.127.3.1337-1345.1976

Three-dimensional reconstruction of whole cells of Streptococcus faecalis from thin sections of cells.

M L Higgins
PMCID: PMC232929  PMID: 821927

Abstract

A new ultrastructural technique has been developed to study the geometry of cell wall assembly in Streptococcus faecalis, which is believed to occur between pairs of raised bands located on the organism's surface. Three-dimensional reconstructions of these new regions of envelope growth are produced from the mathematical rotation (around a central axis) of various measurements taken from central, longitudinal thin sections of cells. These reconstructions can be used to calculate the surface area and volume of the septal and peripheral walls that were supposedly present in any given cell before sectioning. In an accompanying paper, it is shown how such surface and volume estimations, coupled with other measurements of length, thickness, and curvature, can be used to characterize a cycle of envelope growth in this organism. The validity of the assumptions used to reconstruct cells by rotation and the possible sources of error in using this technique are discussed.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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