2002
DOI: 10.1590/s1677-04202002000300001
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Brassinosteroid phytohormones: structure, bioactivity and applications

Abstract: Brassinosteroids are a new class of plant hormones with a polyoxygenated steroid structure showing pronounced plant growth regulatory activity. This review covers their natural occurrence, biological and chromatographic methods for their detection, biosynthesis and metabolism, biological activity, structure-activity relationships and prospective agricultural uses.

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Cited by 109 publications
(78 citation statements)
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References 219 publications
(186 reference statements)
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“…Brassinosteroids are mainly synthesized in pollens resulting in more number of brassinosteroids biosynthesis genes in malformed tissues when compared to healthy tissues. Similar reports were also made in other crops by several workers (Yasuta et al, 1995;Zullo et al, 2002;Zhu et al, 2013).…”
Section: Target Genes Of Brassinosteroids Signalingsupporting
confidence: 87%
“…Brassinosteroids are mainly synthesized in pollens resulting in more number of brassinosteroids biosynthesis genes in malformed tissues when compared to healthy tissues. Similar reports were also made in other crops by several workers (Yasuta et al, 1995;Zullo et al, 2002;Zhu et al, 2013).…”
Section: Target Genes Of Brassinosteroids Signalingsupporting
confidence: 87%
“…При этом периферические атомы углерода С24-С28 боковой цепи полностью погружаются в гидрофобный карман, а дополнительное усиление взаимодействий около этой области контакта осуществляется за счет установления межмолекулярной водородной связи между гидроксильной группой у С23 (О6Н) и азотом остова. Отсюда следует, что форма боковой цепи ‡ Согласно конвенции Физера-Плэттнера [2] в молекуле (1) гидроксилы в положении 22 и 23, метил в положении 24 ориентированы к α-стороне стероидальной плоскости, а в молекуле (3) -к β-стороне.…”
Section: > (22s23s)-гомобрассинолид (4) > (22s23s)-24-эпибрассинолиunclassified
“…В дальнейшем для удобства мы будем обозначать молекулы (1), (2), (3) и (4) как RRS, RRR, SSR и SSS, в соответствии с различиями конфигураций их боковых цепей на участке [22][23][24]. Соответственно, возможные конформеры этих молекул можно обозначить RRSi, RRRi, SSRi и SSSi, где i -порядковый номер, присваиваемый конформерам в последовательности увеличения их энергии.…”
unclassified
“…However, the mechanism of their action is still not fully recognized. A variety of chemical structures of the so-far identified BRs (focused mainly on carbon and oxygen proportions) (Zullo and Adam 2002) suggested that they may stimulate different metabolic pathways, depending upon inducing factors (stressors).…”
Section: Introductionmentioning
confidence: 99%