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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2013.04.002
|2 doi
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|a pubmed24n1253.xml
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|a (DE-627)NLM227265289
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|a (NLM)23648109
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|a (PII)S0176-1617(13)00160-0
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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 |
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|a Pošta, Martin
|e verfasserin
|4 aut
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|a Structure-activity relationships of analogs of 3,4,5-trimethylfuran-2(5H)-one with germination inhibitory activities
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|c 2013
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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 12.03.2014
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|a Date Revised 09.01.2024
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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 Smoke-derived butenolide compounds have, in recent years, been shown to be important germination signaling molecules, which also affect seedling growth. The butenolide 3,4,5-trimethylfuran-2(5H)-one was previously isolated from plant-derived smoke and was found to significantly reduce the effect on germination by the highly active promotor karrikinolide (KAR1, 3-methyl-2H-furo[2,3-c]pyran-2-one), another smoke-derived compound. In this study, 11 analogs of 3,4,5-trimethylfuran-2(5H)-one were synthesized and their effect on the germination of light-sensitive 'Grand Rapids' lettuce seeds (Lactua sativa cv. 'Grand Rapids') were evaluated. A concentration series (1mM-1μM) of the analogs were tested alone, or in combination with 0.01μM KAR1. Only two compounds were found to reduce the germination promotory effect of 0.01μM KAR1 in a similar manner as observed with 3,4,5-trimethylfuran-2(5H)-one, with activity ranging from 1mM to 10μM. Four compounds were found to have inhibitory activity at 1mM and 100μM. The retention of activity by some of the analogs may be useful for designing novel compounds with improved activity. Furthermore, understanding the structure-activity relationships of these compounds may be helpful in synthesizing molecular probes that can be used to further investigate the mechanism of action of these compounds in regulating seed germination
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Butenolide
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|a KAR(1)
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|a Karrikinolide
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|a Lactuca sativa
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|a Seed germination
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|a Smoke
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|a karrikinolide (3-methyl-2H-furo[2,3-c]pyran-2-one)
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|a 3,4,5-trimethylfuran-2(5H)-one
|2 NLM
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| 650 |
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|a Furans
|2 NLM
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| 650 |
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|a Plant Growth Regulators
|2 NLM
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| 650 |
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|a Pyrans
|2 NLM
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| 650 |
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|a Smoke
|2 NLM
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| 650 |
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|a karrikinolide
|2 NLM
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| 700 |
1 |
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|a Light, Marnie E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Papenfus, Heino B
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Van Staden, Johannes
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kohout, Ladislav
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 170(2013), 14 vom: 15. Sept., Seite 1235-42
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
1 |
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|g volume:170
|g year:2013
|g number:14
|g day:15
|g month:09
|g pages:1235-42
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|u http://dx.doi.org/10.1016/j.jplph.2013.04.002
|3 Volltext
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