Molecular Regulation of Maize Abiotic Stress Resilience

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Response to Abiotic Stress and Climate Change".

Deadline for manuscript submissions: 31 October 2026 | Viewed by 916

Special Issue Editors

College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
Interests: crops; abiotic stress; plant physiology; plant molecular biology; response mechanism

E-Mail Website
Guest Editor
State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China
Interests: plant sciences; abiotic stress; cell biology; response mechanism

Special Issue Information

Dear Colleagues,

Maize (Zea mays L.) is a globally significant and staple crop that supports food security, animal feed, and bioenergy production. However, its productivity is increasingly threatened by various abiotic stresses, including drought, salinity, extreme temperatures, and nutrient deficiencies, which are further intensified by ongoing climate change. Understanding the molecular mechanisms underlying maize resilience to these stresses is essential to guide the development of stress-tolerant varieties and ensure sustainable agriculture. In recent decades, advances in molecular biology, genomics, epigenetics, and synthetic biology have revolutionized our ability to dissect complex regulatory networks governing stress perception, signal transduction, and adaptive responses.

This Special Issue aims to showcase cutting-edge research on the molecular basis of maize abiotic stress resilience, integrating multi-omics, functional genetics, and biotechnological approaches to bridge fundamental discovery and translational applications. We warmly welcome submissions of original research articles, reviews, and short communications focusing on (but not limited to) the following themes: genes and regulatory networks, metabolic and physiological responses, and evolutionary and adaptive mechanisms.

Dr. Yang Xiang
Dr. Jingwei Yan
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • maize
  • abiotic stress
  • stress resilience
  • molecular regulation
  • signal transduction
  • gene expression
  • regulatory networks

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • Reprint: MDPI Books provides the opportunity to republish successful Special Issues in book format, both online and in print.

Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

Order results
Result details
Select all
Export citation of selected articles as:

Research

14 pages, 1168 KB  
Article
The Maize WRKY Transcription Factor ZmWRKY4 Confers Lead Tolerance by Regulating ZmCAT1 Expression
by Long Wang, Meiying Liu, Wenfei Bi, Su Li, Chang Chen, Yang Jing, Xiong Zhang and Tong Han
Plants 2026, 15(3), 394; https://doi.org/10.3390/plants15030394 - 28 Jan 2026
Viewed by 608
Abstract
Lead (Pb) severely impairs plant growth, yet the role of WRKY transcription factors in Pb tolerance in maize remains largely unknown. Here, we identified a Pb-responsive WRKY transcription factor, ZmWRKY4, whose transcript levels were rapidly and strongly induced in maize leaves following Pb [...] Read more.
Lead (Pb) severely impairs plant growth, yet the role of WRKY transcription factors in Pb tolerance in maize remains largely unknown. Here, we identified a Pb-responsive WRKY transcription factor, ZmWRKY4, whose transcript levels were rapidly and strongly induced in maize leaves following Pb exposure. Physiological and biochemical analyses showed that overexpression of ZmWRKY4 substantially enhanced Pb tolerance in maize. Transgenic lines exhibited significantly lower malondialdehyde (MDA) levels and reduced electrolyte leakage than wild-type plants. In addition, ZmWRKY4 overexpression increased catalase (CAT) activity and effectively limited H2O2 accumulation. Further analyses revealed that ZmWRKY4 positively regulates ZmCAT1, a key antioxidant gene involved in H2O2 scavenging, under Pb stress. Electrophoretic mobility shift assays and ChIP-qPCR collectively confirmed that ZmWRKY4 directly binds to W-box elements within the ZmCAT1 promoter in vivo and in vitro, thereby activating its transcription. Together, these findings define a previously uncharacterized ZmWRKY4-ZmCAT1 regulatory module that enhances antioxidant capacity and mitigates oxidative damage during Pb stress. This work provides new insights into the molecular mechanisms underlying heavy metal tolerance in maize and identifies a promising genetic target for developing Pb-resilient crop varieties. Full article
(This article belongs to the Special Issue Molecular Regulation of Maize Abiotic Stress Resilience)
Show Figures

Figure 1

Back to TopTop