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September 10, 2026Discover Plants.Open Access

Metabolomic insights into salt stress responses of commercial Turkish wheat varieties

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Authors

YKYaren KahramanDÇDeniz ÇalıNCNilufer Cakir

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Overview

Comparative metabolomic analysis reveals distinct chemical shifts and stunted shoot growth in salt-stressed wheat seedlings, indicating candidate metabolic markers for salinity response.

Key Points

  • To characterize shoot growth and metabolomic profiles in Altay and Kunduru wheat varieties under graded sodium chloride exposure to identify candidate salt-responsive metabolites.
  • Wheat seedlings were grown in quarter-strength Hoagland solution with 0–1.0% sodium chloride.
  • Shoot extracts (n = 3 per condition) were profiled using one-dimensional proton nuclear magnetic resonance (1H-NMR) spectroscopy.
  • Metabolomic data were evaluated using principal component analysis, validated partial least squares discriminant analysis, and false-discovery-rate-corrected univariate tests.
  • Sodium chloride concentration significantly reduced shoot length (F4,15 = 11.19, p = 0.00021), whereas genotype main effect (F1,15 = 0.45, p = 0.512) and genotype-by-salinity interaction (F4,11 = 0.74, p = 0.586) were not statistically significant.
  • Within-genotype discriminant models classified salinity exposure with high cross-validated performance (Altay: R2Y = 0.942, Q2 = 0.821, accuracy = 100%; Kunduru: R2Y = 0.952, Q2 = 0.692, accuracy = 88.9%).
  • Significant salinity-dependent differences were identified in candidate metabolites including asparagine, proline, alanine, lysine, serine, fructose, and dimethylamine.

Cite This Study

Kahraman et al. (2026) studied this question.

synapsesocial.com/papers/6aa27b4758559d80afc74732https://doi.org/10.1007/s44372-026-00868-7
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