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April 16, 2026AgricultureOpen Access

Enhancement of Rice Growth Under Salinity Stress Triggered by Extracellular Polysaccharides from Pantoea alhagi Is Associated with Changes in Physiology and Root Proteomics

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Authors

CZCaoyaxin ZhangHCHao ChenCZChangpo Zhang

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Overview

Findings reveal that extracellular polysaccharides improve salt tolerance in rice, highlighting potential for crop resilience.

Key Points

  • This research investigates how extracellular polysaccharides from Pantoea alhagi affect rice growth under salinity stress.
  • Tested effects of Pantoea alhagi EPSs on rice growth and physiology under salt stress.
  • Analyzed changes in root proteomic profiles associated with EPS treatment.
  • Measured physiological traits including K+/Na+ ratio, soluble protein content, stomatal aperture, and transpiration rate.
  • NX-11 EPSs increased salt tolerance and improved growth of rice in saline soil.
  • 50 mg/kg of EPS showed the strongest growth-promoting effect.
  • Increased K+/Na+ ratio and soluble protein content in roots were observed after EPS treatment.
  • Stomatal aperture and transpiration rate in leaves were reduced due to EPS application.
  • Proteomic analysis indicated downregulation of proteins linked to specific metabolic pathways.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/69e07d732f7e8953b7cbe5fahttps://doi.org/10.3390/agriculture16080867
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