Surface Structure and Nanomechanical Properties of Shewanella putrefaciens Bacteria at Two pH values (4 and 10) Determined by Atomic Force Microscopy Export

@article{F.Gaboriaud.2005, abstract = {The nanomechanical properties of gram-negative bacteria (Shewanella putrefaciens) were investigated in situ in aqueous solutions at two pH values, specifically, 4 and 10, by atomic force microscopy (AFM). For both pH values, the approach force curves exhibited subsequent nonlinear and linear regimens that were related to the progressive indentation of the AFM tip in the bacterial cell wall, including a priori polymeric fringe (nonlinear part), while the linear part was ascribed to compression of the plasma membrane. These results indicate the dynamic of surface ultrastructure in response to changes in pH, leading to variations in nanomechanical properties, such as the Young's modulus and the bacterial spring constant. 10.1128/JB.187.11.3864-3868.2005}, author = {Gaboriaud, Fabien and Bailet, Sidney and Dague, Etienne and Jorand, Frederic}, citeulike-article-id = {1021671}, citeulike-linkout-0 = {http://dx.doi.org/10.1128/JB.187.11.3864}, citeulike-linkout-1 = {http://jb.asm.org/content/187/11/3864.abstract}, citeulike-linkout-2 = {http://jb.asm.org/content/187/11/3864.full.pdf}, citeulike-linkout-3 = {http://jb.asm.org/cgi/content/abstract/187/11/3864}, citeulike-linkout-4 = {http://view.ncbi.nlm.nih.gov/pubmed/15901713}, citeulike-linkout-5 = {http://www.hubmed.org/display.cgi?uids=15901713}, day = {1}, doi = {10.1128/JB.187.11.3864}, journal = {J. Bacteriol.}, keywords = {afm, atomic\_force\_microscopy, bacteria, cell\_wall\_structure, mechanical\_properties, nanomechanics, ph, plasma\_membrane}, month = {June}, number = {11}, pages = {3864--3868}, posted-at = {2009-11-06 16:29:34}, priority = {2}, title = {Surface Structure and Nanomechanical Properties of Shewanella putrefaciens Bacteria at Two pH values (4 and 10) Determined by Atomic Force Microscopy}, url = {http://dx.doi.org/10.1128/JB.187.11.3864}, volume = {187}, year = {2005} }

TY - JOUR ID - F.Gaboriaud.2005 L3 - citeulike-article-id:1021671 N2 - The nanomechanical properties of gram-negative bacteria (Shewanella putrefaciens) were investigated in situ in aqueous solutions at two pH values, specifically, 4 and 10, by atomic force microscopy (AFM). For both pH values, the approach force curves exhibited subsequent nonlinear and linear regimens that were related to the progressive indentation of the AFM tip in the bacterial cell wall, including a priori polymeric fringe (nonlinear part), while the linear part was ascribed to compression of the plasma membrane. These results indicate the dynamic of surface ultrastructure in response to changes in pH, leading to variations in nanomechanical properties, such as the Young's modulus and the bacterial spring constant. 10.1128/JB.187.11.3864-3868.2005 IS - 11 JF - J. Bacteriol. EP - 3868 TI - Surface Structure and Nanomechanical Properties of Shewanella putrefaciens Bacteria at Two pH values (4 and 10) Determined by Atomic Force Microscopy VL - 187 SP - 3864 KW - afm KW - atomic_force_microscopy KW - bacteria KW - cell_wall_structure KW - mechanical_properties KW - nanomechanics KW - ph KW - plasma_membrane AU - Gaboriaud, Fabien AU - Bailet, Sidney AU - Dague, Etienne AU - Jorand, Frederic PY - 2005/06/01/ UR - http://dx.doi.org/10.1128/JB.187.11.3864 ER -