Rebecca Lippmann

Martin Luther University Halle-Wittenberg

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Marcel Quint

Martin Luther University Halle-Wittenberg

Carolin Delker

Martin Luther University Halle-Wittenberg

Anja Menger

Martin Luther University Halle-Wittenberg

Korbinian Schneeberger

Max Planck Institute for Plant Breeding Research

Katharina Bürstenbinder

Leibniz Institute of Plant Biochemistry

Xixi Zhang

University of Helsinki

Julia Bellstäedt

Martin Luther University Halle-Wittenberg

Steve Babben

Martin Luther University Halle-Wittenberg

Yvonne Poeschl

German Centre for Integrative Biodiversity Research

Salomé Prat

Centro Nacional de Biotecnología

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Martin Luther University Halle-Wittenberg

Leibniz Institute of Plant Biochemistry

Luther University

Signal Processing (United States)

Leibniz Association

Max Planck Institute for Plant Breeding Research

Consejo Superior de Investigaciones Científicas

German Centre for Integrative Biodiversity Research

Ludwig-Maximilians-Universität München

Urologische Klinik München

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Brassinosteroids Dominate Hormonal Regulation of Plant Thermomorphogenesis via BZR1

Current Biology (2018)

Carla Ibañez Carolin Delker Cristina Martínez Katharina Bürstenbinder Philipp Janitza

Shade avoidance

Phytochrome

Photomorphogenesis

10.1016/j.cub.2017.11.077

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Development of Wild and Cultivated Plants under Global Warming Conditions

Current Biology (2019)

Rebecca Lippmann Steve Babben Anja Menger Carolin Delker Marcel Quint

10.1016/j.cub.2019.10.016

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Citations (176)

A Mobile Auxin Signal Connects Temperature Sensing in Cotyledons with Growth Responses in Hypocotyls

PLANT PHYSIOLOGY (2019)

Julia Bellstäedt Jana Trenner Rebecca Lippmann Yvonne Poeschl Xixi Zhang

Plants have a remarkable capacity to adjust their growth and development to elevated ambient temperatures. Increased elongation growth of roots, hypocotyls, and petioles in warm temperatures are hallmarks of seedling thermomorphogenesis. In the last decade, significant progress has been made to identify the molecular signaling components regulating these growth responses. Increased ambient temperature utilizes diverse components of the light sensing and signal transduction network to trigger growth adjustments. However, it remains unknown whether temperature sensing and responses are universal processes that occur uniformly in all plant organs. Alternatively, temperature sensing may be confined to specific tissues or organs, which would require a systemic signal that mediates responses in distal parts of the plant. Here, we show that Arabidopsis (Arabidopsis thaliana) seedlings show organ-specific transcriptome responses to elevated temperatures and that thermomorphogenesis involves both autonomous and organ-interdependent temperature sensing and signaling. Seedling roots can sense and respond to temperature in a shoot-independent manner, whereas shoot temperature responses require both local and systemic processes. The induction of cell elongation in hypocotyls requires temperature sensing in cotyledons, followed by the generation of a mobile auxin signal. Subsequently, auxin travels to the hypocotyl, where it triggers local brassinosteroid-induced cell elongation in seedling stems, which depends upon a distinct, permissive temperature sensor in the hypocotyl.

Elongation

Brassinosteroid

10.1104/pp.18.01377

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Citations (108)