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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2019.03.042
|2 doi
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|a pubmed24n0986.xml
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|a (PII)S0981-9428(19)30132-9
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|a DE-627
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|e rakwb
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|a eng
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|a Faraoni, Paola
|e verfasserin
|4 aut
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|a Glyoxylate cycle activity in Pinus pinea seeds during germination in altered gravity conditions
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|c 2019
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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
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|2 rdacarrier
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|a Date Completed 26.06.2019
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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 © 2019 Elsevier Masson SAS. All rights reserved.
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|a This work inserts in the research field regarding the effects of altered gravity conditions on biological plant processes. Pinus pinea seeds germination was studied in simulated microgravity (2x10-3g) and hypergravity (20g) conditions. The effects of simulated gravity were evaluated monitoring the levels of the key enzymes, involved in the main metabolic pathway during germination process of lipid-rich seeds (oilseeds): isocitrate lyase and malate synthase for glyoxylate cycle, 3-hydroxyacyl-CoA dehydrogenase for beta-oxidation, isocitrate dehydrogenase for Krebs cycle, pyruvate kinase for glycolysis and glucose 6 phosphate dehydrogenase for pentose phosphate shunt. The simulated micro and hypergravity conditions were obtained by a Random Position Machine and a Hyperfuge, respectively. Results show that the levels of some tested enzymes, at different lag times of the germination process, have the same trend of controls (g = 1), but with significant differences from quantitative point of view. They are higher in microgravity conditions and lower in hypergravity ones, suggesting that, from a biochemical point of view, the germination process results accelerated in microgravity conditions and delayed in hypergravity ones. These biochemical results show a good correlation with morphological ones, obtained with the measurement of the length of the seeds sprouting radicle. These results give promising indications regarding the possibility to grow plant with lipid-rich seeds in spatial environment, to obtain food sources for astronauts during long term space missions and to reconstitute new atmosphere
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|a Journal Article
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|a Hypergravity
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|a Microgravity
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|a Random position machine
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|a Seed germination
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|a glyoxylate cycle
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|a isocitrate lyase
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|a Glyoxylates
|2 NLM
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|a glyoxylic acid
|2 NLM
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|a JQ39C92HH6
|2 NLM
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| 700 |
1 |
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|a Sereni, Elettra
|e verfasserin
|4 aut
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| 700 |
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|a Gnerucci, Alessio
|e verfasserin
|4 aut
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| 700 |
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|a Cialdai, Francesca
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Monici, Monica
|e verfasserin
|4 aut
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| 700 |
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|a Ranaldi, Francesco
|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 139(2019) vom: 15. Juni, Seite 389-394
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:139
|g year:2019
|g day:15
|g month:06
|g pages:389-394
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|u http://dx.doi.org/10.1016/j.plaphy.2019.03.042
|3 Volltext
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