Energy-saving with low dimensional network in Physarum plasmodium

Atsuko Takamatsu, Takuma Gomi, Tatsuya Endo, Tomo Hirai, Takato Sasaki

研究成果: Article査読

4 被引用数 (Scopus)

抄録

An adaptation process in the transportation network of Physarum plasmodium was investigated by measuring oxygen consumption during network formation. Simultaneously, the fractal dimension as a measure of network structure was estimated. Oxygen consumption decreased during the development of the network, whereas the network structure changed from a thin mesh-type to a thick dendritic type. Our data suggested that the morphology of the plasmodial network governed energy consumption; a low dimensional network in the sense of the fractal dimension reduced energy consumption. These data were supported by experimental results excluding biological reasons, such as differences in starvation/nutrient-fullness states, and aspects of mitochondrial distribution. Model analysis using the Physarum algorithm with volume conservation constraints confirmed the above findings.

本文言語English
論文番号154003
ジャーナルJournal of Physics D: Applied Physics
50
15
DOI
出版ステータスPublished - 2017 3 14

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 音響学および超音波学
  • 表面、皮膜および薄膜

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