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231225s1987 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.1987.tb00164.x
|2 doi
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|a pubmed24n1080.xml
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|a DE-627
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|a eng
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|a Osborne, Bruce A
|e verfasserin
|4 aut
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|a THE MINIMUM PHOTON REQUIREMENT FOR PHOTOSYNTHESIS
|b AN ANALYSIS OF THE DATA OF WARBURG & BURK (1950) AND YUAN, EVANS & DANIELS (1955)
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|c 1987
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 20.04.2021
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Variations in the apparent photon requirement for photosynthesis (Φ-1 co 2 ) or (Φ-1 co 2 ) in the data of Warburg & Burk (1950) and Yuan, Evans & Daniels (1955) can be ascribed to changes in O2 uptake and energy-dependent processes which result in aberrant photon requirements in organisms subjected to non-optimal conditions. The increase in Φ-1 co 2 with increases in the gas exchange quotient (γ) in the observations of Yuan et al. (1955) is consistent with increases in photorespiratory production of glycollate, whilst changes in Φ-1 co 2 and Φ-1 co 2 in the results of Warburg & Burk (1950) can be explained by a variable Kok effect associated with nitrate assimilation at low light levels. When these O2 and energy-dependent processes are minimal, the lowest values should be observed. The minimum value obtained when Chlorella is photosynthesizing under optimal conditions is 6 mol photons mol-1 O2 . These results provide direct independent evidence for a photon requirement for photosynthesis of less than 8 mol photons mol-1 O2 . Such a value is not consistent with the Z scheme of photosynthesis
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|a Journal Article
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|a Minimum photon requirement for photosynthesis
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|a Z scheme
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|a glycollate
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| 650 |
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|a nitrate metabolism
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|a Geider, Richard J
|e verfasserin
|4 aut
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|i Enthalten in
|t The New phytologist
|d 1979
|g 106(1987), 4 vom: 20. Aug., Seite 631-644
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:106
|g year:1987
|g number:4
|g day:20
|g month:08
|g pages:631-644
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|u http://dx.doi.org/10.1111/j.1469-8137.1987.tb00164.x
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|d 106
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