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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2014.03.005
|2 doi
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|a pubmed24n0789.xml
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|a (DE-627)NLM236917668
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|a (NLM)24685518
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|a (PII)S0981-9428(14)00083-7
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Stirk, W A
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Effect of light on growth and endogenous hormones in Chlorella minutissima (Trebouxiophyceae)
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|c 2014
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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 18.12.2014
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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 © 2014 Elsevier Masson SAS. All rights reserved.
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|a Plant growth regulators (PGRs) play an important role in mediating growth and stress responses in plants. Light influences PGRs concentrations in vascular plants. The effect of light on growth and endogenous PGR concentrations in microalgae was investigated in the present study. Chlorella minutissima MACC 360 was grown in 14:10 h light:dark (L:D), continuous dark (CD) and continuous dark with the addition of 5 g L(-1) glucose (CD + G) for 48 h. Cultures were synchronized in the L:D cultures, increasing in size during the light period and dividing during the dark period. C. minutissima cells did not increase in size or undergo cell division in CD cultures. In CD + G conditions, the cultures were no longer synchronized but did continue to increase in cell size and constantly underwent cell division although fewer cells divided than in the L:D cultures. Endogenous auxin and cytokinin concentrations increased and gibberellin concentrations decreased over time in the actively growing cultures (L:D and CD + G) but did not increase in the CD cultures. The largest increase in indole content was in the CD + G cultures while the L:D cultures had the largest cytokinin increase. Brassinosteroid concentrations decreased over time in all the cultures including those grown in CD conditions. Abscisic acid (ABA) concentrations were low and only increased in the CD cultures. These results show that endogenous PGRs were affected by the light regime and/or culture growth
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Abscisic acid
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|a Auxins
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|a Brassinosteroids
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| 650 |
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|a Cytokinins
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| 650 |
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|a Gibberellins
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|a Microalgae
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| 650 |
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|a Brassinosteroids
|2 NLM
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| 650 |
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|a Gibberellins
|2 NLM
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| 650 |
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|a Indoleacetic Acids
|2 NLM
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| 650 |
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7 |
|a Plant Growth Regulators
|2 NLM
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| 650 |
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7 |
|a Abscisic Acid
|2 NLM
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| 650 |
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|a 72S9A8J5GW
|2 NLM
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| 700 |
1 |
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|a Bálint, P
|e verfasserin
|4 aut
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| 700 |
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|a Tarkowská, D
|e verfasserin
|4 aut
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1 |
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|a Novák, O
|e verfasserin
|4 aut
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|a Maróti, G
|e verfasserin
|4 aut
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| 700 |
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|a Ljung, K
|e verfasserin
|4 aut
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| 700 |
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|a Turečková, V
|e verfasserin
|4 aut
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| 700 |
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|a Strnad, M
|e verfasserin
|4 aut
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| 700 |
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|a Ordög, V
|e verfasserin
|4 aut
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| 700 |
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|a van Staden, J
|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 79(2014) vom: 18. Juni, Seite 66-76
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:79
|g year:2014
|g day:18
|g month:06
|g pages:66-76
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|u http://dx.doi.org/10.1016/j.plaphy.2014.03.005
|3 Volltext
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|d 79
|j 2014
|b 18
|c 06
|h 66-76
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