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May 13, 2026ACTA AGRONOMICA SINICAOpen Access

Genome-wide identification of the maize MAPK gene family and its response to Fusarium verticillioides infection

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Authors

SSShu-Feng SunXZXU Zhen-nanJHJia-Xin Huang

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Overview

Comprehensive analysis identifies maize MAPK genes responding to Fusarium infection, suggesting pathways for disease resistance improvement.

Key Points

  • This research aims to identify and characterize the maize MAPK gene family and their roles in response to Fusarium verticillioides infection.
  • Conducted genome-wide identification of ZmMAPK genes in maize B73 reference genome (V5),
  • Performed phylogenetic reconstruction and promoter cis-element prediction,
  • Analyzed expression responses of ZmMAPK genes post-Fusarium inoculation in resistant and susceptible maize lines.
  • Identified 24 MAPK genes grouped into four subgroups with conserved motifs and structures.
  • Notable differential expression of ZmMAPK12, ZmMAPK22, ZmMAPK23, and ZmMAPK24 in resistant line Qi 319 versus susceptible line B73 after inoculation.
  • Found structural variants including SNPs and transposon insertions affecting expression.

Cite This Study

Sun et al. (2026) studied this question.

synapsesocial.com/papers/6a04147679e20c90b4444603https://doi.org/10.3724/sp.j.1006.2026.53078
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