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Enhancement of Wall Loosening and Elongation by Acid Solutions
Open accessAbstract
The ability of low pH and CO(2) to induce rapid cell elongation and wall loosening in the Avena coleoptile has been examined with the use of a continuous growth-recording technique and an Instron extensometer, respectively. In particular, the properties of the response to hydrogen ions have been examined in detail and have been compared with the responses initiated by CO(2) and auxin. The optimal pH for growth is about 3.0, and both the maximal growth rate and wall extensibility are similar to that produced by optimal auxin. The timing (initiated in less than 1 minute) and duration (up to 2 hours) of the response to hydrogen ions, as well as certain other aspects of the growth and wall-loosening responses, are described. It is shown that the pH response can be clearly separated from the CO(2) response. Possible mechanisms for the initiation of the growth response to low pH are briefly discussed.
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Citations
Cited by
Cosgrove, D. J. (2005) · Nature Reviews Molecular Cell Biology · doi:10.1038/nrm1746 · Cited by 3,308
Auxin steers root cell expansion via apoplastic pH regulation in Arabidopsis thaliana
Barbez, E., Dünser, K., Gaidora, A., Lendl, T., & Busch, W. (2017) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1613499114 · Cited by 341
Hager, A., Debus, G., Edel, H. G., Stransky, H., & Serrano, R. (1991) · Planta · doi:10.1007/bf00202963 · Cited by 337
H + -ATPases in Plant Growth and Stress Responses
Li, Y., Zeng, H., Xu, F., Yan, F., & Xu, W. (2022) · Annual Review of Plant Biology · doi:10.1146/annurev-arplant-102820-114551 · Cited by 161
Velasquez, S. M., Barbez, E., Kleine-Vehn, J., & Estevez, J. M. (2016) · Plant Physiology · doi:10.1104/pp.15.01863 · Cited by 132
Metadata
- Authors
- Rayle, D. L., & Cleland, R.
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 1970-08-01
- Volume
- 46
- Issue
- 2
- Pages
- 250-253
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- OpenAlex
- W2016940213
- Cited by
- 424
- References
- 0
- FWCI
- 42.18
- Type
- journal article
- Language
- en
- Open access
- bronze
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