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Nitric oxide (NO) in plant cell mediates processes of growth and development starting from seed germination to pollination, as well as biotic and abiotic stress tolerance. However, proper understanding of the molecular mechanisms of NO signalling in plants has just begun to emerge. Accumulated evidence suggests that in eukaryotic cells NO regulates(More)
Influence of ultraviolet-B (UV-B) as an abiotic stress factor on plant microtubules (MTs) and involvement of nitric oxide (NO) as a secondary messenger mediating plant cell response to environmental stimuli were investigated in this study. Taking into account that endogenous NO content in plant cells has been shown to be increased under a broad range of(More)
To investigate the role of tyrosine phosphorylation/dephosphorylation processes in plant cells the morphology of Arabidopsis thaliana primary roots and the organization of cortical microtubules (MTs) were studied after inhibition of protein tyrosine kinases (PTKs) and tyrosine phosphatases (PTPs). It was found that all tested types of PTKs inhibitors(More)
BACKGROUND The function of the cortical microtubules, composed of alphabeta-tubulin heterodimers, is linked to their organizational state which is subject to spatial and temporal modulation by environmental cues. The role of tubulin posttranslational modifications in these processes is largely unknown. Although antibodies against small tubulin regions(More)
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