PMID:20365209
| Citation |
Mukhopadhyay, R and Wingreen, NS (2009) Curvature and shape determination of growing bacteria. Phys Rev E Stat Nonlin Soft Matter Phys 80:062901 |
|---|---|
| Abstract |
Bacterial cells come in a variety of shapes, determined by the stress-bearing cell wall. Though many molecular details about the cell wall are known, our understanding of how a particular shape is produced during cell growth is at its infancy. Experiments on curved Escherichia coli grown in microtraps, and on naturally curved Caulobacter crescentus, reveal different modes of growth: one preserving arc length and the other preserving radius of curvature. We present a simple model for curved cell growth that relates these two growth modes to distinct but related growth rules--"hooplike growth" and "self-similar growth"--and discuss the implications for microscopic growth mechanisms. |
| Links | |
| Keywords |
Caulobacter crescentus/cytology; Caulobacter crescentus/physiology; Cell Enlargement; Cell Size; Computer Simulation; Models, Anatomic; Models, Biological |
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