Active fusion and fission processes on a fluid membrane |
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Authors: | Rao M Sarasij R C |
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Institution: | Raman Research Institute, C.V. Raman Avenue, Sadashivanagar, Bangalore 560080, India. |
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Abstract: | We investigate the steady states and dynamical instabilities resulting from "particles" depositing on (fusion) and pinching off (fission) a fluid membrane. These particles could be either small lipid vesicles or isolated proteins. In the stable case, such fusion/fission events suppress long wavelength fluctuations of the membrane. In the unstable case, the membrane shoots out long tubular structures reminiscent of endosomal compartments or folded structures which bear a morphological resemblance to internal membranes of the cell. |
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