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TUCKER, T. -- ČERNÝ, M. -- BRZOBOHATÝ, B. -- RASHOTTE, A. Trans-Zeatin-N-glucosides have biological activity in Arabidopsis thaliana. PLoS One. 2020. v. 15, no. 5, ISSN 1932-6203. URL: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0232762

Original name:
Trans-Zeatin-N-glucosides have biological activity in Arabidopsis thaliana
Czech name:
Written by (author):
Department:
Department of Molecular Biology and Radiobiology
Kind of publication:
article in a professional periodical
Periodical: PLoS One
Nature of article:
paper
Volume no. (year):
15
Periodical number within the volume:
5
Year of publication:
2020
Starting page:
Up to page:
Number of pages: 20
Sub-specification: článek je obsažen v databázi Web of Science
UT code by Web of Science:
EID code by Scopus:
Form of publication:
printed version
Original language:
English
Description in original language:
Cytokinin is an indispensable phytohormone responsible for physiological processes ranging from root development to leaf senescence. The term "cytokinin" refers to several dozen adenine-derived compounds occurring naturally in plants. Cytokinins (CKs) can be divided into various classes and forms; base forms are generally considered to be active while highly abundant cytokinin-N-glucosides (CKNGs), composed of a CK base irreversibly conjugated to a glucose molecule, are considered inactive. However, results from early CK studies suggest CKNGs do not always lack activity despite the perpetuation over several decades in the literature that they are inactive. Here we show that exogenous application of trans-Zeatin-N-glucosides (tZNGs, a specific class of CKNGs) to Arabidopsis results in CK response comparable to the application of an active CK base. These results are most apparent in senescence assays where both a CK base (tZ) and tZNGs (tZ7G, tZ9G) delay senescence in cotyledons. Further experiments involving root growth and shoot regeneration revealed tZNGs do not always have the same effects as tZ, and have largely distinct effects on the transcriptome and proteome. These data are in contrast to previous reports of CKNGs being inactive and raise questions about the function of these compounds as well as their mechanism of action.
Description in English:
Description in Czech:
Year of submission:
2020
Year of transmission:
RIV identification number:
URL:
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0232762
 
Entry made by: Markéta Hejčová, DiS.
Last change:
06/01/2020 13:20 (Markéta Hejčová, DiS.)

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Source specification:

PLoS One. ISSN 1932-6203.

Original name:
PLoS One
English name:
Czech name:
Written by (author):
Kind of publication:
magazine
ISSN:
1932-6203
Country of publisher:
United States of America
Place of publishing:
Publisher: Public Library of Science
URL:
Reviewed magazine:
no
Original language:
Description in original language:
Description in English:
Description in Czech:
 
Entry made by:
doc. Ing. Josef Zehnálek, CSc.
Last change:
03/14/2012 20:32 (Ing. Aleš Kutín)

Evaluation of publication:

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amateur
 
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theoretical
 
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