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Exploring the role of cytokinins in organ initiation and phyllotaxis

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F19%3A00124831" target="_blank" >RIV/00216224:14310/19:00124831 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Exploring the role of cytokinins in organ initiation and phyllotaxis

  • Original language description

    Development through the reiterative organogenesis is common in eukaryote development. In plants, new organs are periodically initiated in a regular pattern called phyllotaxis. Self-organization of phyllotaxis is driven by spatio-temporal distribution of the hormone auxin and the temporal robustness of the pattern is also under the influence of another hormone, cytokinin. We have found using expression analysis that several cytokinin biosynthetic enzymes from the LONELY GUY family (LOGs) are potentially upregulated by auxin in Arabidopsis. We have analyzed the expression of all LOGs in the shoot apical meristem and identified several LOGs differentially expressed in the meristem. Additionally, we have analyzed phyllotaxis of single log mutants to test their contribution to shoot apical meristem patterning. We have found mutants showing higher variability in divergence angles between successive organs, suggesting an involvement of cytokinin also in the robustness of angle specification in phyllotaxis.

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

  • OECD FORD branch

    10600 - Biological sciences

Result continuities

  • Project

    <a href="/en/project/EF17_050%2F0008496" target="_blank" >EF17_050/0008496: MSCAfellow@MUNI</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů