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Functional Plant Biology Functional Plant Biology Society
Plant function and evolutionary biology
FOREWORD

Flooding stress and responses to hypoxia in plants

Juan de la Cruz Jiménez https://orcid.org/0000-0002-9985-5302 A * , Angelika Mustroph https://orcid.org/0000-0001-7069-7462 B , Ole Pedersen https://orcid.org/0000-0002-0827-946X A C , Daan A. Weits https://orcid.org/0000-0003-4423-5568 D and Romy Schmidt-Schippers https://orcid.org/0000-0002-3395-0673 E F
+ Author Affiliations
- Author Affiliations

A Department of Biology, University of Copenhagen, Universitetsparken 4, Copenhagen 2100, Denmark.

B Plant Physiology, University Bayreuth, Universitaetsstr. 30, Bayreuth 95440, Germany.

C School of Biological Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia.

D Experimental and Computational Plant Development, Institute of Environment Biology, Utrecht University, Padualaan 8, Utrecht 3584 CH, Netherlands.

E Department of Plant Biotechnology, Faculty of Biology, University of Bielefeld, Bielefeld D-33615, Germany.

F Center for Biotechnology, University of Bielefeld, Bielefeld 33615, Germany.

* Correspondence to: juan.jimenezserna@bio.ku.dk

Handling Editor: Sergey Shabala

Functional Plant Biology 51, FP24061 https://doi.org/10.1071/FP24061
Submitted: 1 March 2024  Accepted: 12 March 2024  Published: 28 March 2024

© 2024 The Author(s) (or their employer(s)). Published by CSIRO Publishing

Abstract

In recent years, research on flooding stress and hypoxic responses in plants has gathered increasing attention due to climate change and the important role of O2 in metabolism and signalling. This Collection of Functional Plant Biology on ‘Flooding stress and responses to hypoxia in plants’ presents key contributions aimed at progressing our current understanding on how plants respond to low-O2 conditions, flooding stress and a combination of stresses commonly found in flooded areas. The Collection emphasises the characterisation of diverse plant responses across different developmental stages, from seed germination to fully developed plants, and under different water stress conditions ranging from waterlogging to complete submergence, or simply low-O2 conditions resulting from limited O2 diffusivity in bulky tissues. Additionally, this Collection highlights diverse approaches, including eco-physiological characterisation of plant responses, detailed descriptions of root anatomical characteristics and their surrounding microenvironments, evaluation of the seed microbiota under flooding stress, the modification of gene expression, and evaluations of diverse germplasm collections.

Keywords: apoplastic barriers, complete submergence, flooding tolerance, low oxygen, partial submergence, radial oxygen loss, saline flooding, underwater germination.

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