Cited by 39Plant Stress Responses and ToleranceSeed and Plant BiochemistryPlant Molecular Biology Research

Combined transcriptomic and metabolomic analyses of high temperature stress response of quinoa seedlings

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Xie, Heng, Zhang, Ping, Jiang, Chunhe, Wang, Qianchao, Guo, Yirui, Zhang, Xuesong, Huang, Tingzhi, Liu, Junna +4 more·2023·BMC Plant Biology

Abstract

BACKGROUND: Quinoa (Chenopodium quinoa Willd.) originates in high altitude areas, such as the Andes, and has some inherent characteristics of cold, drought, and salinity tolerance, but is sensitive to high temperature. RESULTS: To gain insight into the response mechanism of quinoa to high temperature stress, we conducted an extensive targeted metabolomic study of two cultivars, Dianli-3101 and Dianli-3051, along with a combined transcriptome analysis. A total of 794 metabolites and 54,200 genes were detected, in which the genes related to photosynthesis were found down-regulated at high temperatures, and two metabolites, lipids and flavonoids, showed the largest changes in differential accumulation. Further analysis of the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway and transcription factors revealed that quinoa inhibits photosynthesis at high temperatures, and the possible strategies being used for high temperature stress management are regulation of heat stress transcription factors (HSFs) to obtain heat tolerance, and regulation of purine metabolism to enhance stress signals for rapid response to high temperature stress. The tolerant genotype could have an enhanced response through lower purine levels. The induction of the stress response could be mediated by HSF transcription factors. The results of this study may provide theoretical references for understanding the response mechanism of quinoa to high temperature stress, and for screening potential high temperature tolerant target genes and high temperature tolerant strains. CONCLUSIONS: These findings reveal the regulation of the transcription factor family HSF and the purinergic pathway in response to high temperature stress to improve quinoa varieties with high temperature tolerance.

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  • Overexpression of transcription factor HsfA2 promotes expression of downstream heat-responsive genes, making it essential for developing heat stress tolerance.

    “Additionally, the transcription factor HsfA2 has been discovered; its overexpression promotes the expression of downstream heat-responsive genes, making it essential for developing heat stress tolerance (Xie et al., 2023; Xie et al., 2021).”

    From Emerging applications of gene editing technologies for the development of climate-resilient crops (2025) · cites this paper as Xie et al., 2023

    The Background says HSFs activate heat-response genes, and the Discussion links HSFs to heat tolerance and reports a positive regulatory role for the related wheat factor TaHsfA2e-5D. Neither section reports HsfA2 overexpression increasing downstream gene expression or establishes that HsfA2 is essential for developing heat tolerance. No page numbers are available in our copy. (LLM, conf=0.86)

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Authors
Xie, H., Zhang, P., Jiang, C., Wang, Q., Guo, Y., Zhang, X., Huang, T., Liu, J., Li, L., Li, H., Wang, H., & Qin, P.
Affiliations
Yunnan Agricultural University (CN)
Corresponding author
Qin, Peng
Venue
BMC Plant Biology
Published
2023-06-01
Volume
23
Issue
1
Pages
292-292
ISSN
1471-2229 (ISSN-L)
OpenAlex
W4379055034
Cited by
39
References
53
Citations by year
2026: 11 · 2025: 17 · 2024: 10 · 2023: 1
FWCI
6.13
Type
journal article
Language
en
Open access
Locations
  • BMC Plant Biology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • the Yunnan Expert Workstation (202205AF150001)
  • Xingdian talent support plan
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Stress Responses and Tolerance
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Seed and Plant Biochemistry
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
Keywords
quinoa, heat stress, heat stress response, heat shock transcription factor, purine metabolism, photosynthesis downregulation, flavonoids, lipid metabolism, transcriptome, metabolome, cultivar comparison, heat tolerance, stress tolerance breeding
MeSH terms
Temperature, Transcription Factors, Gene Expression Profiling, Chenopodium quinoa, Seedlings, Transcriptome

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