Abstract：
:The effect of three sugars and their amino derivatives on violaxanthin cycle enzymes activity was investigated in duckweed (Lemna trisulca), a model water-plant. No effect of sugars and amino sugars on violaxanthin de-epoxidase was observed independent of incubation time; however, epoxidation of zeaxanthin to violaxanthin was inhibited. The minimum amino sugar concentrations causing maximum inhibition of zeaxanthin epoxidation have been estimated. Amino sugars but not sugars caused more than a 50% inhibition of zeaxanthin epoxidation in duckweed after a 24h incubation when applied at a concentration of 0.5%. Incubation with amino sugars under a 6d photoperiod enhanced the inhibitory effect. Zeaxanthin epoxidation was completely inhibited under such conditions, whereas only a minor inhibitory effect was observed in sugar treated plants. The strong amino sugar inhibition of zeaxanthin epoxidase activity represents additional evidence for the creation of an unstable carotenoid carbocation in the molecular mechanism of epoxidation.
journal_name
J Plant Physioljournal_title
Journal of plant physiologyauthors
Latowski D,Banaś AK,Strzałka K,Gabryś Hdoi
10.1016/j.jplph.2006.09.003subject
Has Abstractpub_date
2007-03-01 00:00:00pages
231-7issue
3eissn
0176-1617issn
1618-1328pii
S0176-1617(06)00248-3journal_volume
164pub_type
杂志文章abstract：:Agronomic performance of transgenic tomato overexpressing functional genes has rarely been investigated in the field. In an attempt to improve low-phosphate (P) stress tolerance of tomato (Solanum lycopersicum) plants and promote tomato fruit production in the field, an expression vector containing cDNA to an Arabidop...
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abstract：:In Lilium longiflorum, vernalization is both an obligatory requirement and the major factor affecting flowering time, however, little is known about the molecular regulation of this mechanism in Lilium and other flowering bulbs. Exposure of L. longiflorum bulbs to 9 weeks at 4°C greatly promoted stem elongation within...
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pub_type： 杂志文章,评审
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journal_title：Journal of plant physiology
pub_type： 杂志文章,评审
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更新日期：2015-01-01 00:00:00
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journal_title：Journal of plant physiology
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pub_type： 杂志文章
doi：10.1016/j.jplph.2013.03.008
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pub_type： 杂志文章
doi：10.1016/j.jplph.2008.08.007
更新日期：2009-04-01 00:00:00
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journal_title：Journal of plant physiology
pub_type： 杂志文章
doi：10.1016/j.jplph.2009.12.003
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journal_title：Journal of plant physiology
pub_type： 杂志文章
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doi：10.1016/j.jplph.2007.02.005
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journal_title：Journal of plant physiology
pub_type： 杂志文章
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更新日期：2018-03-01 00:00:00
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journal_title：Journal of plant physiology
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journal_title：Journal of plant physiology
pub_type： 杂志文章
doi：10.1016/j.jplph.2008.11.015
更新日期：2009-07-01 00:00:00
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journal_title：Journal of plant physiology
pub_type： 杂志文章
doi：10.1016/j.jplph.2009.08.010
更新日期：2010-02-15 00:00:00
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journal_title：Journal of plant physiology
pub_type： 杂志文章
doi：10.1016/j.jplph.2013.10.022
更新日期：2014-03-01 00:00:00
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journal_title：Journal of plant physiology
pub_type： 杂志文章
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更新日期：2016-08-01 00:00:00
abstract：:Since gravistimulation is followed by alterations in the external current symmetry (Behrens et al., 1982), the effect of gravistimulation on cellular membrane potential was investigated using conventional glass microelectrode techniques. The resting potential of statocytes in a vertically oriented root is approx. -118...
journal_title：Journal of plant physiology
pub_type： 杂志文章
doi：10.1016/s0044-328x(84)80010-0
更新日期：1984-04-01 00:00:00
