Phytohormone profiling across the bryophytes

0447064 - BÚ 2016 RIV US eng J - Journal Article
Záveská Drábková, Lenka - Dobrev, Petre - Motyka, Václav
Phytohormone profiling across the bryophytes.
PLoS ONE. Roč. 10, č. 5 (2015), s. 1-19, e0125411. ISSN 1932-6203. E-ISSN 1932-6203
R&D Projects: GA ČR(CZ) GAP506/11/0774
Institutional support: RVO:67985939 ; RVO:61389030
Keywords : cytokinins * auxins * bryophytes
Subject RIV: EF - Botanics; ED - Physiology (UEB-Q)
Impact factor: 3.057, year: 2015

As revealed for growth hormones, some common traits such as weak conjugation of both cytokinins and auxins, intensive production of cisZ-type cytokinins and strong oxidative degradation of auxins with abundance of a major primary catabolite 2-oxindole-3-acetic acid were pronounced in all bryophytes. Whereas apparent dissimilarities in growth hormones profiles between liverworts and mosses were evident, no obvious trends in stress hormone levels (abscisic acid, jasmonic acid, salicylic acid) were found with respect to the phylogeny. The apparent differences in conjugation and/or degradation strategies of growth hormones between liverworts and mosses might potentially show a hidden link between vascular plants and liverworts. On the other hand, the complement of stress hormones in bryophytes probably correlate rather with prevailing environmental conditions and plant survival strategy than with plant evolution.
Permanent Link: http://hdl.handle.net/11104/0249016