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Effects of tyrosine kinase and phosphatase inhibitors on microtubules in Arabidopsis root cells by Alla Yemets; Yarina Sheremet; Kris Vissenberg; Jürgen Van Orden; Jean-Pierre Verbelen; Yaroslav B. Blume is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
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## Abstract 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 (herbimycin A, genistein and tyrphostin AG 18) altered root hair growth and development, probably as a result of their significant influences on MTs organization in root hairs. The treatment also led to MTs reorientation and disruption in epidermis and cortex cells of both elongation and differentiation zones of primary roots. Enhanced tyrosine phosphorylation after treatment with a PTPs inhibitor (sodium orthovanadate) resulted in intense induction of root hair development and growth and caused a significant shortening of the elongation zone. It also led to changes of MTs orientation from transverse to longitudinal in epidermis and cortex cells of the elongation and differentiation zones of the root. From the data obtained we can suppose that tyrosine phosphorylation can be involved in the dynamics and organization of
Who reads Effects of tyrosine kinase and phosphatase inhibitors on microtubules in Arabidopsis root cells?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Alla Yemets; Yarina Sheremet; Kris Vissenberg; Jürgen Van Orden; Jean-Pierre Verbelen; Yaroslav B. Blume
- Publisher
- Elsevier Science; Wiley (John Wiley & Sons); Wiley-Blackwell; Wiley (ISSN 1065-6995)
- Published
- 2008
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)