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May 29, 2026Journal of Integrative Plant BiologyOpen Access

ZmMS1 coordinates ROS homeostasis, lipid allocation, and male fertility for maize breeding applications

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Authors

QHQuancan HouXAXueli AnZDZhenying Dong

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Overview

Randomized trial develops male-sterility systems in maize, suggesting practical applications for breeding.

Key Points

  • This study aims to elucidate the role of ZmMS1 in regulating male fertility through ROS homeostasis and lipid allocation in maize.
  • Investigated ZmMS1 functions via gene overexpression in maize and rice.
  • Studied its impact on ROS homeostasis and lipid biosynthesis pathways in relation to fertility.
  • Developed a non-transgenic male-sterility system and a dominant genic male-sterility system.
  • Constitutive overexpression of ZmMs1 resulted in ~50% sterile and small pollen grains in maize and rice.
  • Loss of ZmMs1 caused recessive sterility, while its precocious expression induced dominant sterility.
  • Both developed male-sterility systems achieved stable and complete sterility without yield penalty.

Cite This Study

Hou et al. (2026) studied this question.

synapsesocial.com/papers/6a192df7fab5b468c4416fb2https://doi.org/10.1111/jipb.70303
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