Photo- and Tetrazine-Responsive Modulation of trans-Zeatin

Article Plant Sciences

Cytokinins regulate rice lamina joint development and leaf angle

Peng Huang et al.

Summary: Cytokinin oxidase/dehydrogenase3 plays a negative regulatory role in leaf angle determination, with mutants showing smaller leaf angles and overexpression lines exhibiting larger leaf angles.

PLANT PHYSIOLOGY (2023)

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Article Biotechnology & Applied Microbiology

Cytokinin oxidase/dehydrogenase OsCKX11 coordinates source and sink relationship in rice by simultaneous regulation of leaf senescence and grain number

Wei Zhang et al.

Summary: The OsCKX11 gene plays a role in delaying leaf senescence, increasing grain number, and coordinating source and sink in rice. In the osckx11 mutant, cytokinin levels are significantly increased in flag leaves, while ABA synthesis genes are downregulated and ABA degradation genes are upregulated, leading to an antagonistic relationship between cytokinins and ABA in leaf senescence. OsCKX11 also results in increased branch, tiller, and grain numbers compared to the wild type.

PLANT BIOTECHNOLOGY JOURNAL (2021)

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Review Plant Sciences

Transport mechanisms of plant hormones

Moran Anfang et al.

Summary: Plant growth, development, and response to the environment are regulated by hormones, with plants having the ability to control hormone distribution spatially. These hormones are transported by various transporters, leading to a better understanding of hormone substrate specificity and genetic redundancy in hormone transport. Plants also exhibit subcellular, cell-to-cell, and long-distance hormone movement, as well as local hormone sinks that influence hormone-mediated responses.

CURRENT OPINION IN PLANT BIOLOGY (2021)

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Review Agriculture, Multidisciplinary

Caged Phytohormones: From Chemical Inactivation to Controlled Physiological Response

Noemi Hemelikova et al.

Summary: Plant hormones, or phytohormones, are small signaling molecules that regulate growth and development in response to external and internal factors. Research shows that these hormones act through interconnected responses and the development of novel tools is needed to further study their complex interactions.

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY (2021)

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Review Biochemistry & Molecular Biology

The Hulks and the Deadpools of the Cytokinin Universe: A Dual Strategy for Cytokinin Production, Translocation, and Signal Transduction

Tomas Hluska et al.

Summary: Cytokinins are plant hormones involved in various physiological processes, with different forms potentially having unique functions and mechanisms. Using a metaphorical comparison to Marvel superheroes helps illustrate the complexities of cytokinins and their related enzymes and functions. This framework can aid in understanding the diverse roles of cytokinins in plant development and interactions with other organisms.

BIOMOLECULES (2021)

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Review Biotechnology & Applied Microbiology

Cytokinin glucosyl transferases, key regulators of cytokinin homeostasis, have potential value for wheat improvement

Lei Chen et al.

Summary: Cytokinins play a crucial role in crop productivity and their levels are controlled by various factors. While manipulating gene expression can positively affect crop yield and stress tolerance, the research on cytokinin glucosyl transferases has been limited.

PLANT BIOTECHNOLOGY JOURNAL (2021)

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Article Chemistry, Multidisciplinary

Unleashing the Power of Bond Cleavage Chemistry in Living Systems

Jie Wang et al.

Summary: Bioorthogonal cleavage chemistry, as a powerful tool for manipulation and gain-of-function studies of biomolecules, has opened up new possibilities for rescuing small molecules and biomacromolecules, allowing multidimensional control over biological processes.

ACS CENTRAL SCIENCE (2021)

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Article Chemistry, Multidisciplinary

A Light-Controllable Chemical Modulation of m6A RNA Methylation

Ling Lan et al.

Summary: The study presented the design, synthesis, computational, and experimental evaluation of the first photo-activatable small-molecule methyltransferase agonist, which demonstrated spatial and temporal control of biological effects through the use of a photo-removable protecting group. The results indicated rapid release of the active compound from the caged molecule upon short UV light exposure in cells, leading to significant hypermethylation of m(6)A modification in transcriptome RNAs and validating the concept of photo-activatable small organic molecules in RNA epigenetic research.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Organic

Study of the N7 Regioselective Glycosylation of 6-Chloropurine and 2,6-Dichloropurine with Tin and Titanium Tetrachloride

Lenka Tranova et al.

Summary: This study focuses on the regioselective glycosylation of 6-chloropurine and 2,6-dicliloropurine at position 7 to produce peracetylated N-7-nucleosides. By using N-trimethylsilylated purine derivative and different catalysts, the distribution of N-7/N-9-isomers was studied to reverse the disadvantageous predominant selectivity of glycosylation at the N-9 position and maximize the regioselectivity towards the desired N-7-isomer.

JOURNAL OF ORGANIC CHEMISTRY (2021)

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Article Chemistry, Multidisciplinary

Chemical Deprenylation of N6-Isopentenyladenosine (i6A) RNA

Hou-Ping Cheng et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Review Biochemistry & Molecular Biology

Naturally Occurring and Artificial N9-Cytokinin Conjugates: From Synthesis to Biological Activity and Back

Hana Vylicilova et al.

BIOMOLECULES (2020)

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Review Biochemistry & Molecular Biology

Activation and Delivery of Tetrazine-Responsive Bioorthogonal Prodrugs

Yayue Wang et al.

MOLECULES (2020)

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Article Chemistry, Multidisciplinary

Identification of Flavin Mononucleotide as a Cell-Active Artificial N6-Methyladenosine RNA Demethylase

Li-Jun Xie et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

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Article Chemistry, Multidisciplinary

Click-to-Release from trans-Cyclooctenes: Mechanistic Insights and Expansion of Scope from Established Carbamate to Remarkable Ether Cleavage

Ron M. Versteegen et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

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Article Biochemistry & Molecular Biology

Chemical regulators of plant hormones and their applications in basic research and agriculture

Kai Jiang et al.

BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY (2018)

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Article Plant Sciences

The role of cis-zeatin-type cytokinins in plant growth regulation and mediating responses to environmental interactions

Martin Schaefer et al.

JOURNAL OF EXPERIMENTAL BOTANY (2015)

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Article Biochemistry & Molecular Biology

Flavonol glycosides in the petal of Rosa species as chemotaxonomic markers

Ochir Sarangowa et al.

PHYTOCHEMISTRY (2014)

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Review Plant Sciences

Unraveling plant hormone signaling through the use of small molecules

Adeline Rigal et al.

FRONTIERS IN PLANT SCIENCE (2014)

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Article Chemistry, Multidisciplinary

Click to Release: Instantaneous Doxorubicin Elimination upon Tetrazine Ligation

Ron M. Versteegen et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2013)

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Article Biotechnology & Applied Microbiology

Genetic engineering of cytokinin metabolism: Prospective way to improve agricultural traits of crop plants

David Zalabak et al.

BIOTECHNOLOGY ADVANCES (2013)

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Article Plant Sciences

Overexpression of glucosyltransferase UGT85A1 influences trans-zeatin homeostasis and trans-zeatin responses likely through O-glucosylation

Shang-Hui Jin et al.

PLANTA (2013)

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Article Chemistry, Medicinal

Design and synthesis of photolabile caged cytokinin

Ken-ichiro Hayashi et al.

BIOORGANIC & MEDICINAL CHEMISTRY LETTERS (2012)

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Article Chemistry, Multidisciplinary

Zinc phthalocyanine with PEG-400 as a recyclable catalytic system for selective reduction of aromatic nitro compounds

Upendra Sharma et al.

GREEN CHEMISTRY (2012)

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Article Chemistry, Multidisciplinary

Light-Triggered Charge Reversal of Organic-Silica Hybrid Nanoparticles

Li-Chih Hu et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2012)

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Article Plant Sciences

Distribution, biological activities, metabolism, and the conceivable function of cis-zeatin-type cytokinins in plants

Silvia Gajdosova et al.

JOURNAL OF EXPERIMENTAL BOTANY (2011)

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Article Biochemistry & Molecular Biology

Structural basis for cytokinin recognition by Arabidopsis thaliana histidine kinase 4

Michael Hothorn et al.

NATURE CHEMICAL BIOLOGY (2011)

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Article Biotechnology & Applied Microbiology

Genetic Engineering of Cytokinins and Their Application to Agriculture

Qing-Hu Ma

CRITICAL REVIEWS IN BIOTECHNOLOGY (2008)

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Review Biochemical Research Methods

Caged compounds: photorelease technology for control of cellular chemistry and physiology

Graham C. R. Ellis-Davies

NATURE METHODS (2007)

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Article Plant Sciences

Biochemical characteristics and ligand-binding properties of Arabidopsis cytokinin receptor AHK3 compared to CRE1/AHK4 as revealed by a direct binding assay

Georgy A. Romanov et al.

JOURNAL OF EXPERIMENTAL BOTANY (2006)

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Review Plant Sciences

New insights into the biology of cytokinin degradation

T. Werner et al.

PLANT BIOLOGY (2006)

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Article Plant Sciences

Two cytokinin receptors of Arabidopsis thaliana, CRE1/AHK4 and AHK3, differ in their ligand specificity in a bacterial assay

L Spíchal et al.

PLANT AND CELL PHYSIOLOGY (2004)

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Article Plant Sciences

Structure and function of cytokinin oxidase/dehydrogenase genes of maize, rice, Arabidopsis and other species

T Schmülling et al.

JOURNAL OF PLANT RESEARCH (2003)

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Article Plant Sciences

O-glucosylation of cis-zeatin in maize.: Characterization of genes, enzymes, and endogenous cytokinins

YK Veach et al.

PLANT PHYSIOLOGY (2003)

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Article Plant Sciences

The Arabidopsis AHK4 histidine kinase is a cytokinin-binding receptor that transduces cytokinin signals across the membrane

H Yamada et al.

PLANT AND CELL PHYSIOLOGY (2001)

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Review Biochemistry & Molecular Biology

Cytokinin metabolism and action

DWS Mok et al.

ANNUAL REVIEW OF PLANT PHYSIOLOGY AND PLANT MOLECULAR BIOLOGY (2001)

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Article Plant Sciences

Degradation of cytokinins by cytokinin oxidases in plants

P Galuszka et al.

PLANT GROWTH REGULATION (2000)

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Photo- and Tetrazine-Responsive Modulation of trans-Zeatin

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