Studies on the Reduction of a Tetrazolium Salt by Green Plant Tissue

Dyar, M. T.

doi:10.2307/2438487

Cited by 12 publications

(2 citation statements)

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“…During recent decades, a number of papers confirmed the existence of PSI, PSII, and cyclic and noncyclic photosynthetic electron transport in thylakoids of stomatal guard cells (e.g. Dyar, 1953;Outlaw et al, 1981), although the existence and function of Calvin cycle enzymes remains controversial. Some of these studies and the techniques used include (a) fluorescence techniques to examine electron transport (e.g.…”

Section: Discussionmentioning

confidence: 99%

Photosynthetic Electron Transport in Single Guard Cells as Measured by Scanning Electrochemical Microscopy

et al. 1997

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Section: Discussionmentioning

confidence: 99%

Photosynthetic Electron Transport in Single Guard Cells as Measured by Scanning Electrochemical Microscopy

et al. 1997

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“…Before a critical literature evaluation is bulk of the reduced pyridine nucleotide that is produced undertaken, it is relevant, first, to address briefly why by photosynthetic electron transport. Dyar's original photosynthetic CO2 fixation may be important and, sec-observation (Dyar 1953) that guard-cell chloroplasts ond, to describe typical experimental systems that are conduct linear electron transport has been confirmed used to study guard-cell physiology. Additional refer-(e.g.…”

Section: Introductionmentioning

confidence: 99%

Critical examination of the quantitative evidence for and against photosynthetic CO₂ fixation by guard cells

Outlaw

1989

Physiologia Plantarum

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The evidence for and against photosynthetic CO2 fixation by guard cells is described and critically evaluated. There is a large body of literature on this subject, including enzyme activity assays, immunological assays for ribulose 1,5‐bisphosphate carboxylase/oxygenase (Rubisco) in extracts, in situ immunological indicators at the light‐and electron‐microscope levels. products of 14CO2 fixation, and indirect indications such as the effect of light on the P‐glycerate pool size, chlorophyll a (Chi a) flourescence transients, and alkalinization of medium. Although it is not possible to reconcile all the literature, I show that most reports indicate that the photosynthetic carbon‐reduction pathway is absent in guard cells or, at most, does not exceed about 5% of that in mesophyll cells on a Chl basis. Because a mesophyll cell contains approximately 30 times more Chl than a guard cell does, the reported level of the pathway is equivalent to ?0.1 to 0.2% mesophyll contamination, of which it is difficult to ensure the absence. Even if present at these levels, the pathway would not contribute significantly to carbon metabolism.

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Vitalfärbung und Vitalfluorochromierung pflanzlicher Zellen und Gewebe

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1968

Vitalfärbung Und Vitalfluorochromierung Pflanzlicher Zellen Und Gewebe

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Studies on the Reduction of a Tetrazolium Salt by Green Plant Tissue

Cited by 12 publications

References 9 publications

Photosynthetic Electron Transport in Single Guard Cells as Measured by Scanning Electrochemical Microscopy

Photosynthetic Electron Transport in Single Guard Cells as Measured by Scanning Electrochemical Microscopy

Critical examination of the quantitative evidence for and against photosynthetic CO₂ fixation by guard cells

Vitalfärbung und Vitalfluorochromierung pflanzlicher Zellen und Gewebe

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Studies on the Reduction of a Tetrazolium Salt by Green Plant Tissue

Cited by 12 publications

References 9 publications

Photosynthetic Electron Transport in Single Guard Cells as Measured by Scanning Electrochemical Microscopy

Photosynthetic Electron Transport in Single Guard Cells as Measured by Scanning Electrochemical Microscopy

Critical examination of the quantitative evidence for and against photosynthetic CO2 fixation by guard cells

Vitalfärbung und Vitalfluorochromierung pflanzlicher Zellen und Gewebe

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Product

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Critical examination of the quantitative evidence for and against photosynthetic CO₂ fixation by guard cells