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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2012.03.001
|2 doi
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|a pubmed24n0722.xml
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|a (DE-627)NLM216599768
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|a (NLM)22459509
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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 Walker, David J
|e verfasserin
|4 aut
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| 245 |
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|a Accumulation of furanocoumarins by Bituminaria bituminosa in relation to plant development and environmental stress
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 02.08.2012
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2012 Elsevier Masson SAS. All rights reserved.
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|a Bituminaria bituminosa (L.) C.H. Stirton (Fabaceae) accumulates high concentrations of the furanocoumarins (FCs) angelicin and psoralen, which protect against infection and herbivory. The effects on FC accumulation of the exposure of two populations of B. bituminosa to abiotic stress (cold, heat and drought) under field conditions were determined, as well as the effect of temperature under controlled conditions, in hydroponic culture. In field conditions, psoralen and angelicin levels in the leaf dry matter were 400-6000 and 1500-11,000 μg g(-), respectively. There were significant effects of population on the psoralen concentration and psoralen:angelicin ratio. In hydroponic culture, exposure to a diurnal temperature of 33 °C increased FC levels in population Calnegre but not in Llano del Beal, compared with plants grown at 22 °C; however, high summer temperatures in the field (>30 °C) did not coincide with the highest leaf FC levels, since the plants accumulated FCs preferentially in the fruits. Hence, leaf FC levels were higher in winter. Irrigation, to alleviate water stress in the semi-arid conditions, increased the fruit psoralen concentration but produced only minor decreases in leaf FC levels. There was a significant, positive correlation (P < 0.001) between the FC and nitrogen concentrations in the plant organs analysed (both increased in the order: fruits > growing leaves > mature leaves), reflecting their respective contributions to plant fitness. The genetically- and developmentally-regulated accumulation of FCs by B. bituminosa is altered by short-term variations in environmental conditions, particularly temperature
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Furocoumarins
|2 NLM
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| 650 |
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|a Water
|2 NLM
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| 650 |
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|a 059QF0KO0R
|2 NLM
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| 650 |
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|a angelicin
|2 NLM
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| 650 |
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|a CZZ080D7BD
|2 NLM
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| 650 |
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|a Ficusin
|2 NLM
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| 650 |
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|a KTZ7ZCN2EX
|2 NLM
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Martínez-Fernández, Domingo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Correal, Enrique
|e verfasserin
|4 aut
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| 700 |
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|a Romero-Espinar, Pascual
|e verfasserin
|4 aut
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| 700 |
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|a Antonio Del Río, José
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 54(2012) vom: 01. Mai, Seite 133-9
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:54
|g year:2012
|g day:01
|g month:05
|g pages:133-9
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|u http://dx.doi.org/10.1016/j.plaphy.2012.03.001
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