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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2015.06.015
|2 doi
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|a pubmed25n0835.xml
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|a (NLM)26134579
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|a (PII)S0981-9428(15)30044-9
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Sood, Archit
|e verfasserin
|4 aut
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|a Regulation of FA and TAG biosynthesis pathway genes in endosperms and embryos of high and low oil content genotypes of Jatropha curcas L
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|c 2015
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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 18.04.2016
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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 © 2015 Elsevier Masson SAS. All rights reserved.
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|a The rising demand for biofuels has raised concerns about selecting alternate and promising renewable energy crops which do not compete with food supply. Jatropha (Jatropha curcas L.), a non-edible energy crop of the family euphorbiaceae, has the potential of providing biodiesel feedstock due to the presence of high proportion of unsaturated fatty acids (75%) in seed oil which is mainly accumulated in endosperm and embryo. The molecular basis of seed oil biosynthesis machinery has been studied in J. curcas, however, what genetic differences contribute to differential oil biosynthesis and accumulation in genotypes varying for oil content is poorly understood. We investigated expression profile of 18 FA and TAG biosynthetic pathway genes in different developmental stages of embryo and endosperm from high (42%) and low (30%) oil content genotypes grown at two geographical locations. Most of the genes showed relatively higher expression in endosperms of high oil content genotype, whereas no significant difference was observed in endosperms versus embryos of low oil content genotype. The promoter regions of key genes from FA and TAG biosynthetic pathways as well as other genes implicated in oil accumulation were analyzed for regulatory elements and transcription factors specific to oil or lipid accumulation in plants such as Dof, CBF (LEC1), SORLIP, GATA and Skn-1_motif etc. Identification of key genes from oil biosynthesis and regulatory elements specific to oil deposition will be useful not only in dissecting the molecular basis of high oil content but also improving seed oil content through transgenic or molecular breeding approaches
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Embryo
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|a Endosperm
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|a Fatty acid
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|a Jatropha
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|a Transcript abundance
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|a Triacylglycerol
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|a Fatty Acids
|2 NLM
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|a Plant Oils
|2 NLM
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|a Triglycerides
|2 NLM
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| 700 |
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|a Chauhan, Rajinder Singh
|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 94(2015) vom: 01. Sept., Seite 253-67
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:94
|g year:2015
|g day:01
|g month:09
|g pages:253-67
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|u http://dx.doi.org/10.1016/j.plaphy.2015.06.015
|3 Volltext
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