The effect of exogenous 24-epibrassinolide on the ecdysteroid content in the leaves of Spinacia oleracea L.

被引：7
|
作者：
Kamlar, Marek [1 ]
Rothova, Olga [2 ]
Salajkova, Sarka [3 ]
Tarkowska, Dana [4 ,5 ]
Drasar, Pavel [3 ]
Kocova, Marie [2 ]
Harmatha, Juraj [6 ]
Hola, Dana [2 ]
Kohout, Ladislav [6 ]
Macek, Tomas [1 ]
机构：
[1] Univ Chem & Technol, Fac Food & Biochem Technol, Dept Biochem & Microbiol, Prague 16628 6, Czech Republic
[2] Charles Univ Prague, Fac Sci, Dept Genet & Microbiol, Prague 12843, Czech Republic
[3] Univ Chem & Technol, Fac Food & Biochem Technol, Dept Nat Prod, Prague 16628 6, Czech Republic
[4] Palacky Univ, Lab Growth Regulators, Olomouc 78371, Czech Republic
[5] Inst Expt Bot ASCR, Olomouc 78371, Czech Republic
[6] Acad Sci Czech Republic, Inst Organ Chem & Biochem, CR-16610 Prague, Czech Republic
来源：
STEROIDS | 2015年 / 97卷
关键词：
Ecdysteroids; Spinach; 24-Epibrassinolide; 20-Hydroxyecdysone; AFFINITY-CHROMATOGRAPHY; OXIDATIVE STRESS; CUCUMIS-SATIVUS; BRASSINOSTEROIDS; 20-HYDROXYECDYSONE; PHOTOSYNTHESIS; PHYTOHORMONES; ARABIDOPSIS; STEROLS; GROWTH;
D O I：
10.1016/j.steroids.2014.12.024
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The aim of this study was to show whether/how the application of exogenous 24-epibrassinolide can affect the content of ecdysteroids in spinach leaves. Brassinosteroids and ecdysteroids, structurally related phytosterols, show effect on a range of processes in plants. Brassinosteroids increase biomass yield in some species, photosynthesis and resistance to stress, and ecdysteroids show effect on proteins responsible for binding of CO2 or water cleavage. The mutual interaction of these sterols in plants is unclear. The UPLC-(+)ESI-MS/MS analyses of extracts of treated and untreated spinach (Spinacia oleracea L.) leaves show that the application of exogenous 24-epibrassinolide does influence the ecdysteroid content in plant tissues. The response differs for the major ecdysteroids and also differs from that for the minor ones and is dependent on the developmental stage of the leaves within the same plant or the 24-epibrassinolide concentration applied. (C) 2015 Elsevier Inc. All rights reserved.
引用
收藏
页码：107 / 112
页数：6
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