Ondřej Novák

This study identifies cytokinin as a regulator of gravitropic setpoint angles in seminal roots of barley and wheat through transcriptomic and functional analyses.

This paper identifies BpLAZY1A as a key gene regulating gravitropic signaling and tissue polarity in silver birch branches, linking gene expression asymmetry to biomechanical reinforcement and growth orientation.

The paper identifies HYS as a shoot-specific proauxin that releases MCPA to induce adventitious roots, offering a framework for tissue-specific auxin delivery.

This study identifies ENT1 as a tonoplast-localized cytokinin riboside transporter that regulates intracellular hormone availability and plant defense against pathogens.

The paper shows how cytokinin receptor specificity and metabolic stability determine isoform-specific signaling and senescence delay in Arabidopsis.

This study examines the metabolism and signaling of cytokinin N-glucosides during leaf senescence in Arabidopsis, finding they act as slow, position-dependent reservoirs that modulate cytokinin signaling.

The paper identifies miR160's role in regulating class III peroxidase via StARF10/17 and its integration of SA and ROS signaling during potato hypersensitive response to PVY.

The paper shows that increasing polyamine thermospermine transport with cytokinin reprograms xylem identity from woody to fleshy in Arabidopsis.

The paper characterizes IAA inactivation pathways, showing glycosylation's role in modulating IAA levels and plant development through genetic and metabolic analyses.

This study shows AHL15 delays leaf senescence in Arabidopsis by repressing ORESARA1 and cytokinin degradation genes.

This study shows that heatwaves reduce the effectiveness of acibenzolar-S-methyl in protecting apple plants against pathogens by dampening immune responses and promoting pathogen-friendly conditions.

This study shows that gene families involved in the IAOx pathway are not essential for auxin biosynthesis in Arabidopsis, challenging the proposed linear pathway and suggesting an uncharacterized route.

The paper uses optogenetics to show that Ca2+ signals regulate early auxin signaling in Arabidopsis roots, affecting growth and transcriptional responses.

The paper identifies RACK1A as a component of auxin-ethylene crosstalk that regulates apical hook development in Arabidopsis thaliana by modulating differential cell growth.

This study identifies two phases of PRC2-mediated gene repression during seedling emergence, linking PRC2 activity to metabolic and developmental transitions from heterotrophy to photoautotrophy.

This study shows ESR2 promotes cytokinin biosynthesis and signaling inhibition, which together drive green callus formation in plants.

This study identifies NTT/WIP2 as a transcription factor regulating cytokinin homeostasis in Arabidopsis by modulating gene expression and interacting with cytokinin-related regulatory regions.

The paper integrates multi-omics and phenotyping data to identify molecular signatures of potato responses to abiotic stresses.

This study identifies early response genes and proteins in Arabidopsis leaves under varying light and cold conditions, revealing development-dependent stress responses and key regulators of cold acclimation.

The paper investigates how the monomer/dimer switch in plant adenosine kinase (ADK) modulates enzyme activity and establishes a negative feedback mechanism to regulate adenosine and AMP levels.

This study identifies four novel PAA metabolites in land plants and shows PAA and IAA share metabolic pathways, suggesting complex auxin regulation.

The paper compares metabolic responses to stress and modulators in Arabidopsis thaliana and Solanum lycopersicum, revealing species-specific differences in polyamine and ethylene precursor metabolism.

The paper identifies CARMA as a long non-coding RNA that regulates CANAR expression in the phloem to control cell size and vascular tissue formation in response to sugar and osmotic stress.

This study sequenced the Draparnaldia genome and transcriptomes, revealing expanded gene families linked to multicellularity and terrestrial adaptations, and its ability to synthesize phytohormones used by land plants.