Summing-Up: Measuring Photosynthesis In Vivo

Sivak, Mirta N.; Walker, David A.

doi:10.1007/978-94-009-4384-1_1

Cited by 5 publications

(3 citation statements)

References 38 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The restriction of carbon flux at the bisphosphatases or Ru5P kinase could enhance photosynthesis in a stochastic light environment by preventing the "two kinase" competition described by Sivak and Walker (15). The explanation of this phenomenon is based on the experiments of Slabas and Walker (16).…”

Section: Discussionmentioning

confidence: 99%

“…The pool of Fru 1,6-P increased during the lightfieck and stayed high while the pool ofUDPglc increased only after the lightfleck.3 I The finding that UDPglc increases only after the lightfleck indicates that oscillations of a period of minutes could be produced because of the temporal displacement of the increase in the UDPglc pool from the increased assimilation rate. This kind of temporal resolution of events will be useful in determining the origin of oscillations in photosynthesis (reviewed in Sivak and Walker [15]). …”

Section: Metabolic Responses Of Shade-grown Alocasia To a Singlementioning

confidence: 99%

See 1 more Smart Citation

Contribution of Metabolites of Photosynthesis to Postillumination CO₂ Assimilation in Response to Lightflects

Sharkey¹,

Seemann²,

Pearcy³

1986

Plant Physiol.

View full text Add to dashboard Cite

In the shade plant Alocasia macrorrhiza grown in low light, photosynthetic CO2 assimilation during a 5 second lightfleck plus postillumination CO2 assimilation can allow up to 60% more photosynthesis than that which occurs during 5 seconds of steady state light of the same intensity (RL Chazdon, RW Pearcy 1986 Oecologia. 69: 524-531 (2,13,14). We tested whether the postillumination CO2 assimilation seen after a 5 s lightfleck in shade-grown Alocasia could be explained by the pool size of RuBP or whether contributions by other intermediates must be considered. We found that there may be a substantial contribution of the pool oftriose-P and postillumination ATP formation. The importance of this phenomenon in acclimation and adaptation to low light was investigated by also studying high-light-grown Alocasia and low-and high-light-grown Phaseolus vulgaris, a typical sun plant often used to study the metabolism of photosynthesis.2 Abbreviations: RuBP, ribulose 1,5-bisphosphate; CABP, carboxyarabinitol bisphosphate; Ru5P, nbulose 5-phosphate; RuBPCase, RuBP carboxylase/oxygense

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Metabolic Responses Of Shade-grown Alocasia To a Singlementioning

confidence: 99%

Contribution of Metabolites of Photosynthesis to Postillumination CO₂ Assimilation in Response to Lightflects

Sharkey¹,

Seemann²,

Pearcy³

1986

Plant Physiol.

View full text Add to dashboard Cite

show abstract

“…B (1990) 242, 29-35 P r in te r ! m C W en t R n f m n such manipulation by feeding compounds to leaves via their petioles and the transpiration stream (Walker & Sivak 1983;Sivak & Walker 1986).…”

Section: Introductionmentioning

confidence: 99%

Chlorophyll fluorescence as a measure of photosynthetic carbon assimilation

Seaton

Walker

1990

Proc. R. Soc. Lond. B

169

View full text Add to dashboard Cite

It has long been supposed that there must be an inverse relation between chlorophyll fluorescence and photosynthetic carbon assimilation. Excitation of chlorophyll, by light, initiates the electron transport that drives photosynthesis. Excess excitation energy is dissipated as heat and as light (fluorescence) but, at least in regard to carbon assimilation, the actual fluorescence signal was once regarded as too complex to permit interpretation. More recently, the concept of two major fluorescence-quenching mechanisms and the development of techniques and devices that allow these to be resolved, has advanced understanding. Concepts and procedures based on linear relations between fluorescence parameters and carbon assimilation have allowed good predictions of photosynthetic rates. Here we show that a single curvilinear relation can be derived for several disparate plant species and suggest that this could allow photosynthesis and the effect of light on 'dark respiration' to be measured by non-intrusive fluorescence techniques without recourse to analysis of gaseous exchange between leaf and atmosphere.

show abstract

Fluorescence Excursions Induced by CO2 Removal in Different Cultivars of Bean Phaseolus vulgaris L

Pinto¹,

Riquelme²,

Martínez³

et al. 1995

Photosynthesis: From Light to Biosphere

View full text Add to dashboard Cite

Summing-Up: Measuring Photosynthesis In Vivo

Cited by 5 publications

References 38 publications

Contribution of Metabolites of Photosynthesis to Postillumination CO₂ Assimilation in Response to Lightflects

Contribution of Metabolites of Photosynthesis to Postillumination CO₂ Assimilation in Response to Lightflects

Chlorophyll fluorescence as a measure of photosynthetic carbon assimilation

Fluorescence Excursions Induced by CO2 Removal in Different Cultivars of Bean Phaseolus vulgaris L

Contact Info

Product

Resources

About

Summing-Up: Measuring Photosynthesis In Vivo

Cited by 5 publications

References 38 publications

Contribution of Metabolites of Photosynthesis to Postillumination CO2 Assimilation in Response to Lightflects

Contribution of Metabolites of Photosynthesis to Postillumination CO2 Assimilation in Response to Lightflects

Chlorophyll fluorescence as a measure of photosynthetic carbon assimilation

Fluorescence Excursions Induced by CO2 Removal in Different Cultivars of Bean Phaseolus vulgaris L

Contact Info

Product

Resources

About

Contribution of Metabolites of Photosynthesis to Postillumination CO₂ Assimilation in Response to Lightflects

Contribution of Metabolites of Photosynthesis to Postillumination CO₂ Assimilation in Response to Lightflects