Foliar dewdroplet–induced redox cascades promote early flowering in <i>Brassicaceae</i> plants

Atmospheric water inputs such as dew are often overlooked in plant biology. We show that foliar dewdrops act as biochemical microreactors that trigger flowering in <i>Arabidopsis thaliana</i>, a small plant from the mustard family (<i>Brassicaceae</i>). These droplets generate reactive oxygen species that induce intracellular nitric oxide accumulation, initiating a redox cascade that suppresses the biosynthesis of abscisic acid, which contributes to the regulation of flowering time. This occurs via S-nitrosylation-mediated activation of histone deacetylase 19, which silences <i>AAO3</i> and <i>ABA2</i>. Analysis of over 12 million field records across the <i>Brassicaceae</i> family reveals a global correlation between dew point temperature and flowering time. These findings identify dewdrop chemistry as an unrecognized environmental cue that regulates developmental timing in plants.

Authors

Institutions

Publication Details

Journal
Proceedings of the National Academy of Sciences
Published
2026-02-17
DOI
https://doi.org/10.1073/pnas.2527021123
Primary Topic
Plant Molecular Biology Research
Type
article
Field-Weighted Citation Impact
0.00

Funders

Controls
|||
ALL TIME
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
article

Foliar dewdroplet–induced redox cascades promote early flowering in Brassicaceae plants

Juline Auverlot, Richard N. Zare, D ZHOU, Yu Zheng et al.
Proceedings of the National Academy of Sciences
Plant Molecular Biology Research
article

Foliar dewdroplet–induced redox cascades promote early flowering in Brassicaceae plants

Juline Auverlot, Richard N. Zare, D ZHOU, Yu Zheng, Maoyong Song, Yong Liang, Yu Xia, J. H. Liu H. Shi, Chun Bao, Ligang Hu, Yongguang Yin, Guibin Jiang, Jean-Philippe Reichheld, Changli Zeng, Bolei Chen, Xiaoyun Cui
article en

Abstract

Atmospheric water inputs such as dew are often overlooked in plant biology. We show that foliar dewdrops act as biochemical microreactors that trigger flowering in <i>Arabidopsis thaliana</i>, a small plant from the mustard family (<i>Brassicaceae</i>). These droplets generate reactive oxygen species that induce intracellular nitric oxide accumulation, initiating a redox cascade that suppresses the biosynthesis of abscisic acid, which contributes to the regulation of flowering time. This occurs via S-nitrosylation-mediated activation of histone deacetylase 19, which silences <i>AAO3</i> and <i>ABA2</i>. Analysis of over 12 million field records across the <i>Brassicaceae</i> family reveals a global correlation between dew point temperature and flowering time. These findings identify dewdrop chemistry as an unrecognized environmental cue that regulates developmental timing in plants.

Proceedings of the National Academy of SciencesVol. 123(8)
Centre National de la Recherche Scientifique (FR), Huazhong Agricultural University (CN), Université Paris-Saclay (FR), Jianghan University (CN), Institut des Sciences des Plantes de Paris Saclay (FR), Laboratoire Génome et Développement des Plantes (FR), Research Center for Eco-Environmental Sciences (CN), Stanford University (US)
Hubei Provincial Department of Education, Agence Nationale de la Recherche, National Natural Science Foundation of China
Clean water and sanitation
Openalex Percentile: Top 52%
Plant Molecular Biology Research
DOIOpen Access PDFOpenAlex
AI Navigator

Ask Laika to Summarize, Analyze, and Connect papers live on the map.

Summarize Papers & Methodologies

Extract key findings, datasets, and comparative methods across publications.

Benchmark Rankings & Visual Analytics

Rank top research institutions, authors, funders, topics, and journals by Field-Weighted Citation Impact (FWCI) and paper volume with instant charts.

Connect Distant Disciplines

Bridge topological clusters on the map to find hidden collaborative intersections.