Cited by 15Plant Stress Responses and ToleranceGenetic and Environmental Crop StudiesAgricultural pest management studies

Transcriptomic analysis of salt tolerance-associated genes and diversity analysis using indel markers in yardlong bean (vigna unguiculata ssp. sesquipedialis)

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Zhang, Hongmei, Xu, Wenjing, Chen, Huatao, Chen, Jingbin, Liu, Xiaoqing, Chen, Xin, Yang, Shouping·2021·BMC Genomic Data

Abstract

BACKGROUND: High salinity is a devastating abiotic stresses for crops. To understand the molecular basis of salinity stress in yardlong bean (Vigna unguiculata ssp. sesquipedalis), and to develop robust markers for improving this trait in germplasm, whole transcriptome RNA sequencing (RNA-seq) was conducted to compare the salt-tolerant variety Suzi 41 and salt-sensitive variety Sujiang 1419 under normal and salt stress conditions. RESULTS: Compared with controls, 417 differentially expressed genes (DEGs) were identified under exposure to high salinity, including 42 up- and 11 down-regulated DEGs in salt-tolerant Suzi 41 and 186 up- and 197 down-regulated genes in salt-sensitive Sujiang 1419, validated by qRT-PCR. DEGs were enriched in "Glycolysis/Gluconeogenesis" (ko00010), "Cutin, suberine and wax biosynthesis" (ko00073), and "phenylpropanoid biosynthesis" (ko00940) in Sujiang 1419, although "cysteine/methionine metabolism" (ko00270) was the only pathway significantly enriched in salt-tolerant Suzi 41. Notably, AP2/ERF, LR48, WRKY, and bHLH family transcription factors (TFs) were up-regulated under high salt conditions. Genetic diversity analysis of 84 yardlong bean accessions using 26 InDel markers developed here could distinguish salt-tolerant and salt-sensitive varieties. CONCLUSIONS: These findings show a limited set of DEGs, primarily TFs, respond to salinity stress in V. unguiculata, and that these InDels associated with salt-inducible loci are reliable for diversity analysis.

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  • Manipulating the CqEXPA50 gene in quinoa enhances salt tolerance by improving cell expansion and osmotic adjustment.

    “Additionally, the role of auxin in salt tolerance has been explored through the CqEXPA50 gene identified in quinoa. Manipulating this gene, which is involved in auxin-mediated responses, enhances salt tolerance by improving cell expansion and osmotic adjustment (Sun et al., 2022; Zhang et al., 2021).”

    From Emerging applications of gene editing technologies for the development of climate-resilient crops (2025) · cites this paper as Zhang et al., 2021

    The Abstract Results and Discussion describe salt-response genes in yardlong bean, not CqEXPA50 in quinoa. Searches for CqEXPA50, quinoa, cell expansion, and osmotic adjustment found no passage linking manipulation of that gene to improved salt tolerance. (LLM, conf=0.76)

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Authors
Zhang, H., Xu, W., Chen, H., Chen, J., Liu, X., Chen, X., & Yang, S.
Affiliations
  • Nanjing Agricultural University (CN)
  • Jiangsu Academy of Agricultural Sciences (CN)
Corresponding author
  • Chen, Xin
  • Yang, Shouping
Venue
BMC Genomic Data
Published
2021-09-16
Volume
22
Issue
1
Pages
34-34
ISSN
2730-6844 (ISSN-L)
OpenAlex
W3200394444
Cited by
15
References
77
Citations by year
2026: 1 · 2025: 5 · 2024: 5 · 2023: 3 · 2022: 1
FWCI
1.35
Type
journal article
Language
en
Open access
Locations
  • BMC Genomic Data (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Jiangsu Agricultural Science and Technology Innovation Fund (CX(20)3161, CARS-09, CX(20))
  • Agriculture Research System of China (CARS-09)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Stress Responses and Tolerance
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Genetic and Environmental Crop Studies
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Agricultural pest management studies
Keywords
yardlong bean, salt tolerance, salt stress, differentially expressed genes, transcription factors, AP2/ERF, WRKY, bHLH, InDel markers, genetic diversity, germplasm, glycolysis/gluconeogenesis, phenylpropanoid biosynthesis
MeSH terms
Vigna, Genetic Markers, Transcription Factors, Gene Expression Profiling, INDEL Mutation, Salt Tolerance, Transcriptome

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