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NLM114192278 |
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DE-627 |
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20231227123017.0 |
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231222s2001 xx ||||| 00| ||eng c |
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|a pubmed24n1221.xml
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|a (DE-627)NLM114192278
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|a (NLM)11520866
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Harrison, E P
|e verfasserin
|4 aut
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|a Small decreases in SBPase cause a linear decline in the apparent RuBP regeneration rate, but do not affect Rubisco carboxylation capacity
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|c 2001
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 31.12.2001
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|a Date Revised 13.12.2023
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|a published: Print
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|a Citation Status MEDLINE
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|a The response of net photosynthetic CO(2) uptake (A) to increasing leaf intercellular CO(2) concentration (c(i)) was determined in antisense Nicotiana tabacum plants, derived from six independent transformation lines, displaying a range of sedoheptulose-1, 7-bisphosphatase (SBPase) activities. The maximum in vivo ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) carboxylation (V(c,max)) and RuBP regeneration (J(max)) rates were calculated from the steady-state measurements of the A to c(i) response curves. In plants with reductions in SBPase activity of between 9% and 60%, maximum RuBP regeneration capacity declined linearly (r(2)=0.79) and no significant change in apparent in vivo Rubisco activity (V(c,max)) was observed in these plants. No correlation between V(c,max) and a decrease in capacity for RuBP regeneration was observed (r(2)=0.14) in the SBPase antisense plants. These data demonstrate that small decreases in SBPase activity limit photosynthetic carbon assimilation by reducing the capacity for RuBP regeneration
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|a Journal Article
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| 650 |
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|a Research Support, Non-U.S. Gov't
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|a Ribulosephosphates
|2 NLM
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| 650 |
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|a Sugar Phosphates
|2 NLM
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| 650 |
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|a Carbon Dioxide
|2 NLM
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| 650 |
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|a 142M471B3J
|2 NLM
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| 650 |
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|a ribulose-1,5 diphosphate
|2 NLM
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| 650 |
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|a 2002-28-0
|2 NLM
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| 650 |
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|a sedoheptulose 1,7-bisphosphate
|2 NLM
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| 650 |
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|a 815-91-8
|2 NLM
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| 650 |
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|a Ribulose-Bisphosphate Carboxylase
|2 NLM
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| 650 |
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|a EC 4.1.1.39
|2 NLM
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| 700 |
1 |
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|a Olcer, H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lloyd, J C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Long, S P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Raines, C A
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 52(2001), 362 vom: 21. Sept., Seite 1779-84
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:52
|g year:2001
|g number:362
|g day:21
|g month:09
|g pages:1779-84
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|a GBV_USEFLAG_A
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|a SYSFLAG_A
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|a GBV_NLM
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|a GBV_ILN_350
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|a AR
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|d 52
|j 2001
|e 362
|b 21
|c 09
|h 1779-84
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