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Reactivated Triton-Extracted Models of Paramecium : Modification of Ciliary Movement by Calcium Ions
Abstract
Triton-extracted models of Paramecium were reactivated to swim in solutions of adenosine triphosphate and magnesium ions. The cilia beat in the normal direction (toward the rear) when the calcium ion concentration was less than 10 -6 M , and they beat in the "reversed" direction (toward the front) when calcium ion concentration was raised above 10 -6 M . These results support the proposal that ciliary reversal, hence backward swimming, of live paramecia is mediated by an increased cytoplasmic calcium concentration around the ciliary system by calcium-dependent membrane responses to external stimuli.
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Citations
Cited by
Regulation of Mammalian Ciliary Beating
Salathe, M. (2007) · Annual Review of Physiology · doi:10.1146/annurev.physiol.69.040705.141253 · Cited by 401
Calcium control of waveform in isolated flagellar axonemes of chlamydomonas
Bessen, M., Fay, R., & Witman, G. (1980) · The Journal of Cell Biology · doi:10.1083/jcb.86.2.446 · Cited by 305
Spontaneous Creation of Macroscopic Flow and Metachronal Waves in an Array of Cilia
Guirao, B., & Joanny, J.-F. (2007) · Biophysical Journal · doi:10.1529/biophysj.106.084897 · Cited by 228
Cilia and the life of ctenophores
Tamm, S. L. (2014) · Invertebrate Biology · doi:10.1111/ivb.12042 · Cited by 129
Ueki, N., Matsunaga, S., Inouye, I., & Hallmann, A. (2010) · BMC Biology · doi:10.1186/1741-7007-8-103 · Cited by 59
Metadata
- Authors
- Naitoh, Y., & Kaneko, H.
- Venue
- Science
- Published
- 1972-05-05
- Volume
- 176
- Issue
- 4034
- Pages
- 523-524
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2077153229
- Cited by
- 442
- References
- 0
- FWCI
- 11.30
- Type
- journal article
- Language
- en
- Open access
- closed
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- Naitoh, Y., & Kaneko, H. (1972). Reactivated Triton-Extracted Models of Paramecium : Modification of Ciliary Movement by Calcium Ions. Science. https://doi.org/10.1126/science.176.4034.523
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
