2006
DOI: 10.1016/j.jplph.2005.04.028
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Inhibitory role of gibberellins in theobroxide-induced flowering of Pharbitis nil

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Cited by 10 publications
(10 citation statements)
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“…All of the compounds showed inhibitory effects at a concentration of 0.5 mM, and the mixture of 1a and 1b showing the strongest activity. Although there have been some previous reports on the biological activity of 2, [3][4][5][6][7] this is the first report of the growth inhibitory activity of 2 and related compounds 1, 3, and 4 against seedlings of N. tabacum. Three other related oxygenated cyclohexenone derivatives, 6, 7 and 8, have been isolated from unpolished rice fermented with a xylariaceous endophytic fungus (strain YUA-026) by Shiono et al 10) Some of these compounds exhibited phytotoxic activity against lettuce (Lactuca sativa L.) at a concentration of 50 mg/ml.…”
mentioning
confidence: 80%
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“…All of the compounds showed inhibitory effects at a concentration of 0.5 mM, and the mixture of 1a and 1b showing the strongest activity. Although there have been some previous reports on the biological activity of 2, [3][4][5][6][7] this is the first report of the growth inhibitory activity of 2 and related compounds 1, 3, and 4 against seedlings of N. tabacum. Three other related oxygenated cyclohexenone derivatives, 6, 7 and 8, have been isolated from unpolished rice fermented with a xylariaceous endophytic fungus (strain YUA-026) by Shiono et al 10) Some of these compounds exhibited phytotoxic activity against lettuce (Lactuca sativa L.) at a concentration of 50 mg/ml.…”
mentioning
confidence: 80%
“…3) Compound 2 has also been shown to inhibit stem elongation in morning glory and spinach through the suppression of gibberellin biosynthesis and stimulation of jasmonic acid biosynthesis. [4][5][6][7] We have subsequently encountered its co-metabolites, (1S,4R,5S,6R)-7,9-dioxa-3-methyl-8-oxobicyclo [4.3.0]-2-nonene-4,5-diol (3), (4S,5S)-4,5-dihydroxy-2-methyl-cyclohex-2-enone (4), and (3aS,4R,5S,7aR)-7,9-dioxa-3-methyl-8-oxobicyclo-[4.3.0]-2-nonene-4,5-diol (5). 8,9) In this paper, we report the isolation, structural elucidation, and biological activities of the novel theobroxide-related compound, 4,5-dihydroxy-3-methyl-cyclohex-2-enone (1).…”
mentioning
confidence: 99%
“…These highlighted the importance of ABA in the plant's response to drought stress and great attention has been focused on the role of ABA in the stress response. Some analytical methods have been reported to determine this endogenous phytohormone, such as bioassays (Boerjan et al, 1992), gas chromatography (GC) (Du et al, 2000), enzyme linked immunosorbent assay (ELISA) (Gao et al, 2006;Ferreira et al, 2006), spectrometry, electrochemical technique (Carretero and Cruces-Blanco, 2004;Li et al, 2005) and high-performance liquid chromatography (HPLC) (Dobrev et al, 2005), in which HPLC has the highest sensitivity, the most specificity and the best repeatability in comparison with other methods mentioned, thus it is used extensively to determine ABA content in some plants such as soybean, Arabidopsis thaliana and Glycyrrhiza uralensis etc. (Ciha et al, 1977;Ross et al, 2004;Xu et al, 2010).…”
Section: Introductionmentioning
confidence: 99%
“…Theobroxide also induces flower bud formation in morning glory (Pharbitis nil) under non-inductive LD conditions and reverses the inhibitory effect on flower-bud formation by night-break treatment and cotyledon removal (Yoshihara et al 2000;Gao et al 2006). A 9-LOX derived metabolite, 9,10-a-ketol-octadecadienoic acid (KODA; Fig.…”
Section: Introductionmentioning
confidence: 99%