Induction of mitochondrial migration in the slime mold Physarum polycephalum |
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| Authors: | Kuroiwa Tsuneyoshi; Takahashi Kazunari |
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| Institution: | 1Department of Cell Biology, National Institute for Basic Biology Myodaiji, Okazaki 444, Japan
2Department of Biology, Faculty of Science, Okayama University Okayama 700, Japan |
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| Abstract: | Mitochondrial migration in a microplasmodium of Physarum polycephalumwas studied by litgh and electron microscopy. The mitochondriawere dispersed evenly in the microplasmodium of Physarum polycephalumin shaken cultures but when the microplasmodia were left unshakenin a liquid culture for more than 3 hr, the mitochondria migratedtoward the peripheral area and came into contact with an semi-electrontransparent layer beneath the cell membrane. Once the peripherallocalization of mitochondria was established in unshaken culture,subsequent reversal to the shaken cultures induced a reversion.These results suggest that mitochondrial migration is reversiblyindicated by culture condition. (Received June 19, 1978; ) |
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