Twenty Years of Brassinosteroids: Steroidal Plant Hormones Warrant Better Crops for the XXI Century
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TLDR
New discoveries of the physiological properties of brassinosteroids allow us to consider them as highly promising, environmentally-friendly, natural substances suitable for wide application in plant protection and yield promotion in agriculture.About:
This article is published in Annals of Botany.The article was published on 2000-09-01 and is currently open access. It has received 463 citations till now. The article focuses on the topics: Brassinosteroid.read more
Citations
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Growth-defense tradeoffs in plants: a balancing act to optimize fitness.
TL;DR: Evidence supporting the growth-defense tradeoff concept is addressed, as well as known interactions between defense signaling and growth signaling, which should provide a foundation for the development of breeding strategies to maximize crop yield to meet rising global food and biofuel demands.
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Heavy Metal Tolerance in Plants: Role of Transcriptomics, Proteomics, Metabolomics, and Ionomics.
TL;DR: This review summarizes various tolerance strategies of plants under heavy metal toxicity covering the role of metabolites (metabolomics), trace elements (ionomics), transcription factors (transcriptomics), various stress-inducible proteins (proteomics) as well as therole of plant hormones.
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Reactive Oxygen Species Are Involved in Brassinosteroid-Induced Stress Tolerance in Cucumber
Xiao-Jian Xia,Yan-Jie Wang,Yan-Hong Zhou,Yuan Tao,Wei-Hua Mao,Kai Shi,Tadao Asami,Zhixiang Chen,Jing-Quan Yu +8 more
TL;DR: Results strongly suggest that elevated H2O2 levels resulting from enhanced NADPH oxidase activity are involved in the BR-induced stress tolerance.
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Phytohormones and plant responses to salinity stress: a review
Shah Fahad,Saddam Hussain,Amar Matloob,Faheem Ahmed Khan,Abdul Khaliq,Shah Saud,Shah Hassan,Darakh Shan,Fahad Khan,Najeeb Ullah,Muhammad Faiq,Muhammad Rafiullah Khan,Afrasiab Khan Tareen,Aziz Khan,Abid Ullah,Nasr Ullah,Jianliang Huang +16 more
TL;DR: Current progress is exemplified by the identification and validation of several significant genes that enhanced crops tolerance to salinity, while missing links on different aspects of phytohormone related salinity tolerance are pointed out.
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Plant hormones and seed germination
TL;DR: This review article contains almost a complete set of details, which may affect seed biology during dormancy and growth, including the hormonal signaling of IAA and gibberellins and the significance of plant hormones.
References
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Brassinolide, a plant growth-promoting steroid isolated from Brassica napus pollen
Michael D. Grove,Gayland F. Spencer,W. K. Rohwedder,Nagabhushanam Mandava,Joseph F. Worley,J. David Warthen,G. L. Steffens,Judith L. Flippen-Anderson,J. Carter Cook +8 more
TL;DR: The isolation, structure determination and biological activity of this new plant growth promoter, named (22R, 23R, 24S)-2α-3α,22,23-tetrahydroxy-24-methyl-6,7-s-5α-cholestano-6-7-lactone or brassinolide is reported.
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A plasma membrane‐bound putative endo‐1,4‐β‐D‐glucanase is required for normal wall assembly and cell elongation in Arabidopsis
TL;DR: The mutant phenotype is consistent with a central role for KOR in the assembly of the cellulose–hemicellulose network in the expanding cell wall, and in the developing dark‐grown hypocotyl, mRNA levels were correlated with rapid cell elongation.
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The dwf4 gene of arabidopsis encodes a cytochrome p450 that mediates multiple 22alpha -hydroxylation steps in brassinosteroid biosynthesis
Sunghwa Choe,Brian P. Dilkes,Shozo Fujioka,Suguru Takatsuto,Akira Sakurai,Kenneth A. Feldmann +5 more
TL;DR: Feed studies utilizing BR intermediates showed that only 22α-hydroxylated BRs rescued the dwf4 phenotype, confirming that DWF4 acts as a 22β-Hydroxylase, and sequence similarity suggests thatDWF4 functions in specific hydroxylation steps during BR biosynthesis.
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An Arabidopsis Brassinosteroid-Dependent Mutant Is Blocked in Cell Elongation
TL;DR: An Arabidopsis mutant, dwarf4 (dwf4), is described, whose phenotype can be rescued with exogenously supplied brassinolide, and an intact brassinosteroid system is an absolute requirement for cell elongation.
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The tomato DWARF enzyme catalyses C-6 oxidation in brassinosteroid biosynthesis
Gerard J. Bishop,Takahito Nomura,Takao Yokota,Kate Harrison,Takahiro Noguchi,Shozo Fujioka,Suguru Takatsuto,Jonathan D. G. Jones,Yuji Kamiya +8 more
TL;DR: Data show that DWARF is involved in the C-6 oxidation of 6-deoxoCS to CS, the immediate precursor of brassinolide in BR biosynthesis, and the intermediate 6alpha-hydroxycastasterone was identified, indicating that DwarF catalyzes two steps inBR biosynthesis.