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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2013.08.002
|2 doi
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|a pubmed24n0768.xml
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|a (DE-627)NLM230427049
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|a (NLM)23988562
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|a (PII)S0176-1617(13)00318-0
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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 Suárez-González, Edgar Martín
|e verfasserin
|4 aut
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|a Expression of the 1-SST and 1-FFT genes and consequent fructan accumulation in Agave tequilana and A. inaequidens is differentially induced by diverse (a)biotic-stress related elicitors
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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 30.09.2014
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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 © 2013 Elsevier GmbH. All rights reserved.
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|a The expression of genes coding for sucrose:sucrose 1-fructosyltransferase (1-SST; EC 2.4.1.99) and fructan:fructan 1-fructosyltransferase (1-FFT; EC 2.4.1.100), both fructan biosynthesizing enzymes, characterization by TLC and HPAEC-PAD, as well as the quantification of the fructo-oligosaccharides (FOS) accumulating in response to the exogenous application of sucrose, kinetin (cytokinin) or other plant hormones associated with (a)biotic stress responses were determined in two Agave species grown in vitro, domesticated Agave tequilana var. azul and wild A. inaequidens. It was found that elicitors such as salicylic acid (SA), and jasmonic acid methyl ester (MeJA) had the strongest effect on fructo-oligosaccharide (FOS) accumulation. The exogenous application of 1mM SA induced a 36-fold accumulation of FOS of various degrees of polymerization (DP) in stems of A. tequilana. Other treatments, such as 50mM abscisic acid (ABA), 8% Sucrose (Suc), and 1.0 mg L(-1) kinetin (KIN) also led to a significant accumulation of low and high DP FOS in this species. Conversely, treatment with 200 μM MeJA, which was toxic to A. tequilana, induced an 85-fold accumulation of FOS in the stems of A. inaequidens. Significant FOS accumulation in this species also occurred in response to treatments with 1mM SA, 8% Suc, and 10% polyethylene glycol (PEG). Maximum yields of 13.6 and 8.9 mg FOS per g FW were obtained in stems of A. tequilana and A. inaequidens, respectively. FOS accumulation in the above treatments was tightly associated with increased expression levels of either the 1-FFT or the 1-SST gene in tissues of both Agave species
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Abiotic stress
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|a Agave sp.
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|a Biotic stress
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|a Fructo-oligosaccharides
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|a Fructosyltransferases
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|a Acetates
|2 NLM
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|a Cyclopentanes
|2 NLM
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|a Fructans
|2 NLM
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|a Oxylipins
|2 NLM
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|a Plant Proteins
|2 NLM
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|a Sucrose
|2 NLM
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|a 57-50-1
|2 NLM
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|a Abscisic Acid
|2 NLM
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|a 72S9A8J5GW
|2 NLM
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|a methyl jasmonate
|2 NLM
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| 650 |
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|a 900N171A0F
|2 NLM
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| 650 |
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|a Salicylic Acid
|2 NLM
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| 650 |
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|a O414PZ4LPZ
|2 NLM
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|a López, Mercedes G
|e verfasserin
|4 aut
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|a Délano-Frier, John P
|e verfasserin
|4 aut
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|a Gómez-Leyva, Juan Florencio
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 171(2014), 3-4 vom: 15. Feb., Seite 359-72
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
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|g volume:171
|g year:2014
|g number:3-4
|g day:15
|g month:02
|g pages:359-72
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|u http://dx.doi.org/10.1016/j.jplph.2013.08.002
|3 Volltext
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|d 171
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|c 02
|h 359-72
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