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Proteomic Profiling of KAWLR Wheat for Ca-Rich Alkaline Soil Tolerance
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  • Update Date: 28 Aug 2026
  • Kihara Afghan wheat landrace
  • root allocation
  • plant nutrients
  • Ca-rich high pH soil tolerance
  • wheat breeding
Video Introduction

This video is adapted from 10.3390/ijms27010239

Breeding wheat varieties that are resilient to arid climates, which impart a complex combination of stresses, including excessive Ca, high pH, nutrient deficiency, and aridity, is important. Afghan landrace wheat is assumed to have evolved with a specific prototypical pattern of traits to adapt to its challenging, composite stress environment. This video exploits a useful semi-hydroponic double cup screen aiding proteomic analysis to reconstruct the combined excessive Ca2+ (100 ppm) and extreme pH (11.0) of the soils and to dissect specific morpho-physiological characteristics and adaptation strategies in Kihara Afghan wheat landrace (KAWLR). When compared to other cultivars and growth habits, several winter-type KAWLR showed lower unused N-K-P and greater rhizosphere pH stability in the bottom cup and higher tolerance in terms of greater root allocation shift, and most of their above ground traits (shoot biomass, chlorophyll content, and stomatal conductance) were strongly correlated with root length and biomass under stress conditions. Quantitative proteomics on the roots of a tolerant winter-type KAWLR, Herat-740 (KU-7449), showed a strong decreasing trend in changed proteins (12 increased/816 decreased). The proteins (such as mitochondrial phosphate carrier protein, cytoskeleton-related α-, and β-tubulin) that increased in abundance were associated with energy transport and cell growth. A metabolism overview revealed that most proteins that were mapped to glycolysis, fermentation, and the TCA cycle decreased in abundance. However, proteins related to cell wall and lipid metabolism pathways remained unchanged. The results from this video suggest that winter-type KAWLR adopts a homeostatic stress adaptation strategy that globally downshifts metabolic activity, while selectively maintaining root growth machinery. Root allocation shift, rhizosphere pH stabilization (nutrient solubilization), and a selective proteome response maintaining the root growth machinery in winter-type KAWLR could be breeding selection markers for early-stage screening in calcareous-alkaline arid land.

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Haque, E.; Niazi, F.; Yin, X.; Kobara, Y.; Komatsu, S.; Ban, T. Proteomic Profiling of KAWLR Wheat for Ca-Rich Alkaline Soil Tolerance. Encyclopedia. Available online: https://encyclopedia.pub/video/1880 (accessed on 01 September 2026).
Haque E, Niazi F, Yin X, Kobara Y, Komatsu S, Ban T. Proteomic Profiling of KAWLR Wheat for Ca-Rich Alkaline Soil Tolerance. Encyclopedia. Available at: https://encyclopedia.pub/video/1880. Accessed September 01, 2026.
Haque, Emdadul, Farid Niazi, Xiaojian Yin, Yuso Kobara, Setsuko Komatsu, Tomohiro Ban. "Proteomic Profiling of KAWLR Wheat for Ca-Rich Alkaline Soil Tolerance" Encyclopedia, https://encyclopedia.pub/video/1880 (accessed September 01, 2026).
Haque, E., Niazi, F., Yin, X., Kobara, Y., Komatsu, S., & Ban, T. (2026, August 28). Proteomic Profiling of KAWLR Wheat for Ca-Rich Alkaline Soil Tolerance. In Encyclopedia. https://encyclopedia.pub/video/1880
Haque, Emdadul, et al. "Proteomic Profiling of KAWLR Wheat for Ca-Rich Alkaline Soil Tolerance." Encyclopedia. Web. 28 August, 2026.
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