Q&amp;A: what are brassinosteroids and how do they act in plants?

Tang, Jiao; Han, Zhifu; Chai, Jijie

doi:10.1186/s12915-016-0340-8

Cited by 74 publications

(53 citation statements)

References 49 publications

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“…Brassinosteroids (BRs) are a class of polyhydroxylated steroidal phytohormones in plants. They are defined as the sixth plant hormone after auxin, gibberellins, cytokinin, abscisic acid, and ethylene (Tang et al 2016). BRs play crucial roles in seed germination, immunity, reproduction, cell elongation, cell division, root growth, photo-morphogenesis, stomatal and vascular differentiation (Wei and Li 2016), radical oxidation, ethylene synthesis, and root gravitropic response.…”

Section: Introductionmentioning

confidence: 99%

Biochemical and molecular responses of flax to 24-epibrassinosteroide seed priming under drought stress

Aghaee

Rahmani

2019

Journal of Plant Interactions

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The effects of 24-epibrassinolide (24-epiBL 10 −8 M) were investigated on antioxidant enzymes activity, lipid peroxidation, and genes expression in 10-day-old Linum usitatissimum L. seedlings subjected to 6%, 12%, and 18% polyethylene glycol (PEG). Water deficit significantly enhanced the activity of CAT, POD, and SOD enzymes as well as elevation in protein, proline, and MDA contents whereas decreased activity of APOX and NR in a concentration-dependent manner. 24-epiBL seed priming improved flax adaptability due to the induction of antioxidant enzymes activity and protein and proline contents with a reduction in MDA content and antioxidant capacity. Gene expression studies showed that Mn-SOD, POD1, POD3, ERF, and WRKY 40 transcript levels were generally upregulated. Application of 24-epiBL caused induction in mRNA abundance of Mn-SOD, POD3, KRP2, and WRKY 40 under at least one level of PEG imposition. In conclusion, 24-epiBL seed priming could be implemented in order to counteract consequences of water deficit in flax.

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Section: Introductionmentioning

confidence: 99%

Biochemical and molecular responses of flax to 24-epibrassinosteroide seed priming under drought stress

Aghaee

Rahmani

2019

Journal of Plant Interactions

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“…They further include varied bioactive analogues viz. castasterone, brassinolide, typhasterol, 6-deoxocastasterone, and teasterone etc., being the most common [40][41][42]. Of all these, brassinolide and castosterone are comparatively highly distributed and have elevated bioactivities amongst the other BRs in varied plant species [43,44].…”

Section: Dietary Sources Of Phytosteroids In Plantmentioning

confidence: 99%

Therapeutic Potential of Brassinosteroids in Biomedical and Clinical Research

Kohli

Bhardwaj

et al. 2020

Biomolecules

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Steroids are a pivotal class of hormones with a key role in growth modulation and signal transduction in multicellular organisms. Synthetic steroids are widely used to cure large array of viral, fungal, bacterial, and cancerous infections. Brassinosteroids (BRs) are a natural collection of phytosterols, which have structural similarity with animal steroids. BRs are dispersed universally throughout the plant kingdom. These plant steroids are well known to modulate a plethora of physiological responses in plants leading to improvement in quality as well as yield of food crops. Moreover, they have been found to play imperative role in stress-fortification against various stresses in plants. Over a decade, BRs have conquered worldwide interest due to their diverse biological activities in animal systems. Recent studies have indicated anticancerous, antiangiogenic, antiviral, antigenotoxic, antifungal, and antibacterial bioactivities of BRs in the animal test systems. BRs inhibit replication of viruses and induce cytotoxic effects on cancerous cell lines. Keeping in view the biological activities of BRs, this review is an attempt to update the information about prospects of BRs in biomedical and clinical application.

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“…BL mitigate adverse effects and enhanced salt tolerance in Zea mays by improving soluble proteins [38] content, proline content, and antioxidant activities [48]. BR treatment of seedlings of two varieties of wheat (Sakha 69 -drought-resistant) and (Giza 164-drought-sensitive) grown in drought stress condition showed enhanced high relative leaf content, increased the content of proline, upregulation of water stress-inducible proteins and also de novo synthesis of specific polypeptides [49].…”

Section: Drought Stressmentioning

confidence: 99%

Crosstalk of brassinosteroids with other phytohormones under various abiotic stresses

Ahmad¹,

Singh²,

Kamal³

2018

J App Biol Biotech

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Brassinosteroids (BRs) are the most important growth hormones which are steroidal in nature play crucially involved in growth and progressions of the plant. In recent years, advancements done in accessibility of biological possessions and approaches led to the most applicable mechanisms involved in BRs de novo synthesis, translocation and signaling pathways. The current researchers are also associated with the flexible roles of BRs. From the previous studies, it was manifest that BRs interaction with salicylic acid, abscisic acid, auxin, gibberellin, ethylene, cytokinin, and jasmonic acid in controlling numerous morphophysiological processes in plants. In this section, an effort is made to understand mysterious development and growth-linked either directly or not directly to BRs signaling and its intra-and interrelations with various phytohormones. This, in sequence, will support emerging extrapolative representations to moderate various valuable qualities in plants and address current encounters in agriculture.

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Q&A: what are brassinosteroids and how do they act in plants?

Cited by 74 publications

References 49 publications

Biochemical and molecular responses of flax to 24-epibrassinosteroide seed priming under drought stress

Biochemical and molecular responses of flax to 24-epibrassinosteroide seed priming under drought stress

Therapeutic Potential of Brassinosteroids in Biomedical and Clinical Research

Crosstalk of brassinosteroids with other phytohormones under various abiotic stresses

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