Aethionema arabicum : a novel model plant to study the light control of seed germination. / Merai, Zsuzsanna; Graeber, Kai; Wilhelmsson, Per; Ullrich, Kristian; Arshad, Waheed; Grosche, Christopher; Tarkowska, D.; Tureckova, V.; Strnad, Mirek; Rensing, Stefan; Leubner-Metzger, Gerhard; Mittelsten Scheid, Ortrun.

In: Journal of Experimental Botany, Vol. 70, No. 12, 01.06.2019, p. 3313-3328.

Research output: Contribution to journalArticle

Published

Standard

Aethionema arabicum : a novel model plant to study the light control of seed germination. / Merai, Zsuzsanna; Graeber, Kai; Wilhelmsson, Per; Ullrich, Kristian; Arshad, Waheed; Grosche, Christopher; Tarkowska, D.; Tureckova, V.; Strnad, Mirek; Rensing, Stefan; Leubner-Metzger, Gerhard; Mittelsten Scheid, Ortrun.

In: Journal of Experimental Botany, Vol. 70, No. 12, 01.06.2019, p. 3313-3328.

Research output: Contribution to journalArticle

Harvard

Merai, Z, Graeber, K, Wilhelmsson, P, Ullrich, K, Arshad, W, Grosche, C, Tarkowska, D, Tureckova, V, Strnad, M, Rensing, S, Leubner-Metzger, G & Mittelsten Scheid, O 2019, 'Aethionema arabicum: a novel model plant to study the light control of seed germination', Journal of Experimental Botany, vol. 70, no. 12, pp. 3313-3328. https://doi.org/10.1093/jxb/erz146

APA

Merai, Z., Graeber, K., Wilhelmsson, P., Ullrich, K., Arshad, W., Grosche, C., Tarkowska, D., Tureckova, V., Strnad, M., Rensing, S., Leubner-Metzger, G., & Mittelsten Scheid, O. (2019). Aethionema arabicum: a novel model plant to study the light control of seed germination. Journal of Experimental Botany, 70(12), 3313-3328. https://doi.org/10.1093/jxb/erz146

Vancouver

Merai Z, Graeber K, Wilhelmsson P, Ullrich K, Arshad W, Grosche C et al. Aethionema arabicum: a novel model plant to study the light control of seed germination. Journal of Experimental Botany. 2019 Jun 1;70(12):3313-3328. https://doi.org/10.1093/jxb/erz146

Author

Merai, Zsuzsanna ; Graeber, Kai ; Wilhelmsson, Per ; Ullrich, Kristian ; Arshad, Waheed ; Grosche, Christopher ; Tarkowska, D. ; Tureckova, V. ; Strnad, Mirek ; Rensing, Stefan ; Leubner-Metzger, Gerhard ; Mittelsten Scheid, Ortrun. / Aethionema arabicum : a novel model plant to study the light control of seed germination. In: Journal of Experimental Botany. 2019 ; Vol. 70, No. 12. pp. 3313-3328.

BibTeX

@article{f558ed931ae0493eaba25b18886618df,
title = "Aethionema arabicum: a novel model plant to study the light control of seed germination",
abstract = "The timing of seed germination is crucial for seed plants and is coordinated by internal and external cues, reflecting adaptations to different habitats. Physiological and molecular studies with lettuce and Arabidopsis thaliana have documented a strict requirement for light to initiate germination and identified many receptors, signaling cascades, and hormonal control elements. In contrast, seed germination in several other plants is inhibited by light, but the molecular basis of this alternative response is unknown. We describe Aethionema arabicum (Brassicaceae) as a suitable model plant to investigate the mechanism of germination inhibition by light, as this species has accessions with natural variation between light-sensitive and light-neutral responses. Inhibition of germination occurs in red, blue, or far-red light and increases with light intensity and duration. Gibberellins and abscisic acid are involved in the control of germination, as in Arabidopsis, but transcriptome comparisons of light- and dark-exposed A. arabicum seeds revealed that, upon light exposure, the expression of genes for key regulators undergo converse changes, resulting in antipodal hormone regulation. These findings illustrate that similar modular components of a pathway in lightinhibited, light-neutral, and light-requiring germination among the Brassicaceae have been assembled in the course of evolution to produce divergent pathways, likely as adaptive traits.",
author = "Zsuzsanna Merai and Kai Graeber and Per Wilhelmsson and Kristian Ullrich and Waheed Arshad and Christopher Grosche and D. Tarkowska and V. Tureckova and Mirek Strnad and Stefan Rensing and Gerhard Leubner-Metzger and {Mittelsten Scheid}, Ortrun",
year = "2019",
month = jun,
day = "1",
doi = "10.1093/jxb/erz146",
language = "English",
volume = "70",
pages = "3313--3328",
journal = "Journal of Experimental Botany",
issn = "0022-0957",
publisher = "OXFORD UNIV PRESS",
number = "12",

}

RIS

TY - JOUR

T1 - Aethionema arabicum

T2 - a novel model plant to study the light control of seed germination

AU - Merai, Zsuzsanna

AU - Graeber, Kai

AU - Wilhelmsson, Per

AU - Ullrich, Kristian

AU - Arshad, Waheed

AU - Grosche, Christopher

AU - Tarkowska, D.

AU - Tureckova, V.

AU - Strnad, Mirek

AU - Rensing, Stefan

AU - Leubner-Metzger, Gerhard

AU - Mittelsten Scheid, Ortrun

PY - 2019/6/1

Y1 - 2019/6/1

N2 - The timing of seed germination is crucial for seed plants and is coordinated by internal and external cues, reflecting adaptations to different habitats. Physiological and molecular studies with lettuce and Arabidopsis thaliana have documented a strict requirement for light to initiate germination and identified many receptors, signaling cascades, and hormonal control elements. In contrast, seed germination in several other plants is inhibited by light, but the molecular basis of this alternative response is unknown. We describe Aethionema arabicum (Brassicaceae) as a suitable model plant to investigate the mechanism of germination inhibition by light, as this species has accessions with natural variation between light-sensitive and light-neutral responses. Inhibition of germination occurs in red, blue, or far-red light and increases with light intensity and duration. Gibberellins and abscisic acid are involved in the control of germination, as in Arabidopsis, but transcriptome comparisons of light- and dark-exposed A. arabicum seeds revealed that, upon light exposure, the expression of genes for key regulators undergo converse changes, resulting in antipodal hormone regulation. These findings illustrate that similar modular components of a pathway in lightinhibited, light-neutral, and light-requiring germination among the Brassicaceae have been assembled in the course of evolution to produce divergent pathways, likely as adaptive traits.

AB - The timing of seed germination is crucial for seed plants and is coordinated by internal and external cues, reflecting adaptations to different habitats. Physiological and molecular studies with lettuce and Arabidopsis thaliana have documented a strict requirement for light to initiate germination and identified many receptors, signaling cascades, and hormonal control elements. In contrast, seed germination in several other plants is inhibited by light, but the molecular basis of this alternative response is unknown. We describe Aethionema arabicum (Brassicaceae) as a suitable model plant to investigate the mechanism of germination inhibition by light, as this species has accessions with natural variation between light-sensitive and light-neutral responses. Inhibition of germination occurs in red, blue, or far-red light and increases with light intensity and duration. Gibberellins and abscisic acid are involved in the control of germination, as in Arabidopsis, but transcriptome comparisons of light- and dark-exposed A. arabicum seeds revealed that, upon light exposure, the expression of genes for key regulators undergo converse changes, resulting in antipodal hormone regulation. These findings illustrate that similar modular components of a pathway in lightinhibited, light-neutral, and light-requiring germination among the Brassicaceae have been assembled in the course of evolution to produce divergent pathways, likely as adaptive traits.

U2 - 10.1093/jxb/erz146

DO - 10.1093/jxb/erz146

M3 - Article

VL - 70

SP - 3313

EP - 3328

JO - Journal of Experimental Botany

JF - Journal of Experimental Botany

SN - 0022-0957

IS - 12

ER -