0600292 - ÚEB 2025 RIV US eng J - Článek v odborném periodiku
Schmidt, Vojtěch - Skokan, Roman - Depaepe, T. - Kurtović, K. - Haluška, Samuel - Vosolsobě, S. - Vaculíková, Roberta - Pil, A. - Dobrev, Petre - Motyka, Václav - Van Der Straeten, D. - Petrášek, Jan
Phytohormone profiling in an evolutionary framework.
Nature Communications. Roč. 15, č. 1 (2024), č. článku 3875. ISSN 2041-1723. E-ISSN 2041-1723
Grant CEP: GA ČR GA20-13587S
Institucionální podpora: RVO:61389030
Klíčová slova: abscisic-acid * klebsormidium-flaccidum * auxin metabolism * salicylic-acid * culture-medium * cytokinin * growth * origin * algae * biosynthesis
Obor OECD: Plant sciences, botany
Impakt faktor: 14.7, rok: 2023 ; AIS: 5.66, rok: 2023
Způsob publikování: Open access
Web výsledku:
https://doi.org/10.1038/s41467-024-47753-zDOI: https://doi.org/10.1038/s41467-024-47753-z

The genomes of charophyte green algae, close relatives of land plants, typically do not show signs of developmental regulation by phytohormones. However, scattered reports of endogenous phytohormone production in these organisms exist. We performed a comprehensive analysis of multiple phytohormones in Viridiplantae, focusing mainly on charophytes. We show that auxin, salicylic acid, ethylene and tRNA-derived cytokinins including cis-zeatin are found ubiquitously in Viridiplantae. By contrast, land plants but not green algae contain the trans-zeatin type cytokinins as well as auxin and cytokinin conjugates. Charophytes occasionally produce jasmonates and abscisic acid, whereas the latter is detected consistently in land plants. Several phytohormones are excreted into the culture medium, including auxin by charophytes and cytokinins and salicylic acid by Viridiplantae in general. We note that the conservation of phytohormone biosynthesis and signaling pathways known from angiosperms does not match the capacity for phytohormone biosynthesis in Viridiplantae. Our phylogenetically guided analysis of established algal cultures provides an important insight into phytohormone biosynthesis and metabolism across Streptophyta.
Trvalý link: https://hdl.handle.net/11104/0357643