The DOI matches its Crossref record; 26 of the 26 references it cites were found in a registry or an index.
Evidence for the Contribution of the Mehler-Peroxidase Reaction in Dissipating Excess Electrons in Drought-Stressed Wheat
Open accessAbstract
Gross O2 evolution and uptake by attached, drought-stressed leaves of wheat (Triticum aestivum) were measured using a 16O2/ 18O2 isotope technique and mass spectrometry. The activity of photosystem II, determined from the rate of 16O2 evolution, is only slightly affected under drought conditions. During drought stress, net CO2 uptake decreases due to stomatal closure, whereas the uptake of 18O2 is stimulated. The main O2-consuming reactions in the light are the Mehler-peroxidase (MP) reaction and the photorespiratory pathway. From measurements of the rate of carbon flux through the photorespiratory pathway, estimated by the analysis of the specific radioactivities of glycolate, we conclude that the rate of photorespiration is decreased with drought stress. Therefore, the O2 taken up in the light appears to be preferentially used by the MP reaction. In stressed leaves, 29.1% of the photosynthetic electrons are consumed in the MP reaction and 18.4% drive the photorespiratory pathway. Thus, overreduction of the electron transport chain is avoided preferably by the MP reaction when drought stress restricts CO2 reduction.
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Cites
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The role of active oxygen in the response of plants to water deficit and desiccation
SMIRNOFF, N. (1993) · New Phytologist · doi:10.1111/j.1469-8137.1993.tb03863.x · Cited by 1,998
Production and scavenging of active oxygen in photosynthesis
Asada, K. (1987) · Medical Entomology and Zoology · Cited by 1,085
Relationship between photosystem II activity and CO2 fixation in leaves
Krall, J. P., & Edwards, G. E. (1992) · Physiologia Plantarum · doi:10.1111/j.1399-3054.1992.tb01328.x · Cited by 683
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Cited by
Lawlor, D. W., & Cornic, G. (2002) · Plant, Cell & Environment · doi:10.1046/j.0016-8025.2001.00814.x · Cited by 1,994
Photosynthesis and drought: can we make metabolic connections from available data?
Pinheiro, C., & Chaves, M. M. (2011) · Journal of Experimental Botany · doi:10.1093/jxb/erq340 · Cited by 1,083
Lawlor, D. W., & Tezara, W. (2009) · Annals of Botany · doi:10.1093/aob/mcn244 · Cited by 852
Polle, A. (2001) · Plant Physiology · doi:10.1104/pp.126.1.445 · Cited by 420
Zhou, Y., Lam, H. M., & Zhang, J. (2007) · Journal of Experimental Botany · doi:10.1093/jxb/erl291 · Cited by 279
Metadata
- Authors
- Biehler, K., & Fock, H.
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 1996-09-01
- Volume
- 112
- Issue
- 1
- Pages
- 265-272
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- OpenAlex
- W1568785156
- Cited by
- 277
- References
- 26
- FWCI
- 4.08
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: Evidence for the Contribution of the Mehler-Peroxidase Reaction in Dissipating Excess Electrons in Drought-Stressed Wheat. https://app.cochat.ai/papers/10.1104/pp.112.1.265
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- Biehler, K., & Fock, H. (1996). Evidence for the Contribution of the Mehler-Peroxidase Reaction in Dissipating Excess Electrons in Drought-Stressed Wheat. Plant Physiology. https://doi.org/10.1104/pp.112.1.265
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
