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Please use this identifier to cite or link to this item: http://hdl.handle.net/10445/4397

Title: Flow rate by peristaltic movement in plasmodial tube of Physarum polycephalum
Authors: Yamada, Hiroyasu
Nakagaki, Toshiyuki
Abstract: We report a theoretical analysis of protoplasmic streaming driven by peristaltic movement in an elastic tube of an amoeba-like organism. The plasmodium of {?it Physarum polycephalum?/}, a true slime mold, is a large amoeboid organism that adopts a sheet-like form with a tubular network. The network extends throughout the plasmodium and enables the transport and circulation of chemical signals and nutrients. This tubular flow is driven by periodically propagating waves of active contraction of the tube cortex, a process known as peristaltic movement. We derive the relationship between the phase velocity of the contraction wave and the flow rate, and we discuss the physiological implications of this relationship.
Research Achievement Classification: 原著論文/Original Paper
Type: Journal Article
Peer Review: あり/yes
Solo/Joint Author(s): 共著/joint
Published journal or presented
academic conference: 
American Institute of Physics Conference Proceedings 1028, Collective dynamics: Topics on Competition and Cooperation in the Biosciences
Volume: 1028
Spage: 210
Epage: 214
Date: 2008
Appears in Collections:Nakagaki Toshiyuki

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