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Related Concept Videos

Responses to Salt Stress02:02

Responses to Salt Stress

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Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
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Related Experiment Video

Updated: Mar 29, 2026

Analysis of Effect of Compound Salt Stress on Seed Germination and Salt Tolerance Analysis of Pepper Capsicum annuum L.
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Integrative Genome-Wide Association and Transcriptome Analyses Identify Candidate Genes for Salt Tolerance During

Yin Wang1, Yilei Long1, Shen Jin1

  • 1College of Life Sciences and Technology, Xinjiang University, Urumqi 830017, China.

Plants (Basel, Switzerland)
|March 28, 2026
PubMed
Summary
This summary is machine-generated.

This study identified key genes and molecular markers for salt tolerance in cotton (Gossypium hirsutum L.) germination. These findings offer valuable genetic resources for improving cotton

Keywords:
GWASGossypium hirsutumcandidate genessalt toleranceseed germinationtranscriptomics

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Area of Science:

  • Plant genetics and breeding
  • Molecular biology
  • Agronomy

Background:

  • Salt stress significantly impacts crop yield and food security globally.
  • Developing salt-tolerant crop varieties is crucial for sustainable agriculture in saline environments.
  • Gossypium hirsutum L. (cotton) exhibits variable responses to salt stress during germination.

Purpose of the Study:

  • To identify genes and molecular markers associated with salt tolerance during Gossypium hirsutum L. germination.
  • To investigate the molecular mechanisms underlying salt tolerance in cotton.

Main Methods:

  • Genome-wide association analysis (GWAS) and transcriptomics were employed.
  • Six germination traits and their salt tolerance indices were evaluated under NaCl stress.
  • Single-nucleotide polymorphism (SNP) markers and quantitative trait loci (QTLs) were identified and analyzed.

Main Results:

  • 1277 significant SNP markers and 94 QTLs were identified, with 49 detected by multiple models.
  • 73 candidate genes were pinpointed within prioritized QTLs, with three identified as differentially expressed genes (DEGs).
  • Expression profiles of three candidate genes showed significant variations, suggesting their role in salt tolerance.

Conclusions:

  • Three candidate genes are strongly predicted to be involved in salt tolerance during cotton germination.
  • The study provides novel insights into the molecular regulation of salt stress tolerance in cotton.
  • Identified genetic resources and molecular markers can aid in the breeding of salt-tolerant cotton varieties.