The thermosensitivity of delayed fluorescence, the relative values of variable chlorophyll fluorescence and the degree of quenching of 9aminoacridine fluorescene were studied in the chloroplasts from heat-acclimated and non-acclimated (treated 6 h at 52.5 ~ C) young bean plants. The temperature sens
The grand design of photosynthesis: Acclimation of the photosynthetic apparatus to environmental cues
β Scribed by Jan M. Anderson; Wah Soon Chow; Youn-Il Park
- Book ID
- 104615767
- Publisher
- Springer
- Year
- 1995
- Tongue
- English
- Weight
- 873 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0166-8595
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β¦ Synopsis
Dynamic acclimation of the photosynthetic apparatus in response to environmental cues, particularly light quantity and quality, is a widely-observed and important phenomenon which contributes to the tolerance of plants against stress and helps to maintain, as far as possible, optimal photosynthetic efficiency and resource utilization. This mini-review represents a scrutiny of a number of possible photoreceptors (including the two photosystems acting as light sensors) and signal transducers that may be involved in producing acclimation responses. We suggest that regulation by signal transduction may be effected at each of several possible points, and that there are multiple regulatory mechanisms for photosynthetic acclimation.
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The influence of mono-(K +) and divalent (Mg z +) cations and protons (pH) on the temperature sensitivity of thylakoid membranes was investigated in three groups of young bean plants (control, heat-acclimated and non-acclimated). Thylakoid-membrane function was monitored by second and millisecond de