Growth of walled cells: from shells to vesicles.

by: A Boudaoud

Physical review letters, Vol. 91, No. 1. (4 July 2003)

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One serious problem: bacterial turgor pressure depends on the environment, and appears to be actively regulated.

madhadron (note publique ) - 2008-06-01 13:43:53

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Résumé

The growth of isolated walled cells is investigated. Examples of such cells range from bacteria to giant algae, and include cochlear hair, plant root hair, fungi, and yeast cells. They are modeled as elastic shells containing a liquid. Cell growth is driven by fluid pressure and is is similar to a plastic deformation of the wall. The requirement of mechanical equilibrium leads to two new scaling laws for cell size that are in quantitative agreement with the compiled biological data. Given these results, possible shapes for growing cells are computed by analogy with those of vesicle membranes.

@article{citeulike:2854649, abstract = {The growth of isolated walled cells is investigated. Examples of such cells range from bacteria to giant algae, and include cochlear hair, plant root hair, fungi, and yeast cells. They are modeled as elastic shells containing a liquid. Cell growth is driven by fluid pressure and is is similar to a plastic deformation of the wall. The requirement of mechanical equilibrium leads to two new scaling laws for cell size that are in quantitative agreement with the compiled biological data. Given these results, possible shapes for growing cells are computed by analogy with those of vesicle membranes.}, address = {Department of Mathematics, MIT, 2-335, Cambridge, Massachusetts 02139, USA. boudaoud@lps.ens.fr}, author = {Boudaoud, A. }, citeulike-article-id = {2854649}, comment = {One serious problem: bacterial turgor pressure depends on the environment, and appears to be actively regulated.}, issn = {0031-9007}, journal = {Physical review letters}, keywords = {biophysics, cellwall}, month = {July}, number = {1}, posted-at = {2008-06-01 13:43:53}, priority = {0}, title = {Growth of walled cells: from shells to vesicles.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/12906580}, volume = {91}, year = {2003} }

RIS record

TY - JOUR ID - citeulike:2854649 L3 - citeulike-article-id:2854649 TI - Growth of walled cells: from shells to vesicles. JF - Physical review letters VL - 91 IS - 1 AD - Department of Mathematics, MIT, 2-335, Cambridge, Massachusetts 02139, USA. boudaoud@lps.ens.fr SN - 0031-9007 N2 - The growth of isolated walled cells is investigated. Examples of such cells range from bacteria to giant algae, and include cochlear hair, plant root hair, fungi, and yeast cells. They are modeled as elastic shells containing a liquid. Cell growth is driven by fluid pressure and is is similar to a plastic deformation of the wall. The requirement of mechanical equilibrium leads to two new scaling laws for cell size that are in quantitative agreement with the compiled biological data. Given these results, possible shapes for growing cells are computed by analogy with those of vesicle membranes. KW - biophysics KW - cellwall N1 - One serious problem: bacterial turgor pressure depends on the environment, and appears to be actively regulated. AU - Boudaoud, A PY - 2003/07/04/ UR - http://view.ncbi.nlm.nih.gov/pubmed/12906580 ER -

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