Tracer studies on f-actin fluctuations. Export

@article{LeGoff2002, abstract = {We present a study on the fluctuations of semiflexible actin filaments using fluorescence videomicroscopy, focusing on the end-to-end fluctuations of single filaments. In order to specifically measure the position of the polymer's ends, we developed a novel noninvasive method that consists of annealing short end tags to the filaments. This allows us to probe polymer fluctuations to a very high accuracy. We compared the distribution of the end-to-end distance with recent theoretical results, and found excellent agreement. We also studied the dynamics of the mean-square end-to-end distance deltaR2(t) and orientation of the ends, deltaTheta(2)(t), finding power laws t(3/4) and t(1/4), respectively. Scaling behavior for deltaR2(t) is observed over several decades in relaxation time in agreement with theoretical results.}, address = {Institut Curie, Physico-Chimie Curie, UMR CNRS/IC 168, 26 rue d'Ulm, 75248 Paris Cedex 05, France. Loic.Legoff@curie.fr}, author = {Le Goff, L. and Hallatschek, O. and Frey, E. and Amblard, F.}, citeulike-article-id = {790956}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/12484923}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=12484923}, day = {16}, issn = {0031-9007}, journal = {Phys Rev Lett}, keywords = {actin, buckling}, month = {December}, number = {25}, posted-at = {2006-08-09 15:05:08}, priority = {2}, title = {Tracer studies on f-actin fluctuations.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/12484923}, volume = {89}, year = {2002} }

TY - JOUR ID - LeGoff2002 L3 - citeulike-article-id:790956 N2 - We present a study on the fluctuations of semiflexible actin filaments using fluorescence videomicroscopy, focusing on the end-to-end fluctuations of single filaments. In order to specifically measure the position of the polymer's ends, we developed a novel noninvasive method that consists of annealing short end tags to the filaments. This allows us to probe polymer fluctuations to a very high accuracy. We compared the distribution of the end-to-end distance with recent theoretical results, and found excellent agreement. We also studied the dynamics of the mean-square end-to-end distance deltaR2(t) and orientation of the ends, deltaTheta(2)(t), finding power laws t(3/4) and t(1/4), respectively. Scaling behavior for deltaR2(t) is observed over several decades in relaxation time in agreement with theoretical results. IS - 25 JF - Phys Rev Lett SN - 0031-9007 AD - Institut Curie, Physico-Chimie Curie, UMR CNRS/IC 168, 26 rue d'Ulm, 75248 Paris Cedex 05, France. Loic.Legoff@curie.fr TI - Tracer studies on f-actin fluctuations. VL - 89 KW - actin KW - buckling AU - Le Goff, L AU - Hallatschek, O AU - Frey, E AU - Amblard, F PY - 2002/12/16/ UR - http://view.ncbi.nlm.nih.gov/pubmed/12484923 ER -