ArticleFrontiers in plant science2015
Co-expression of xerophyte Zygophyllum xanthoxylum ZxNHX and ZxVP1-1 confers enhanced salinity tolerance in chimeric sugar beet (Beta vulgaris L.).
Article in Frontiers in plant science, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 33 citations in OpenAlex.
- Physiological and Transcriptome Analyses Reveal the Important Role of Microbial Fertilizer in the Response of Sugar Beet Seedlings to Saline-Alkali Stress.International journal of molecular sciences · 2025Article
- Overexpression of vacuolar HFrontiers in plant science · 2024Article
- Structure, Function, and Regulation of the Plasma Membrane NaFrontiers in plant science · 2022Review
- Genetic Diversity and Synergistic Modulation of Salinity Tolerance Genes inPlants (Basel, Switzerland) · 2021Article
- NHX Gene Family inFrontiers in plant science · 2021Article
- Review
- A Glycine max sodium/hydrogen exchanger enhances salt tolerance through maintaining higher NaBMC plant biology · 2019Article
- Genome-Wide Identification of NaGenes · 2019Article
- Co-expression of SpSOS1 and SpAHA1 in transgenic Arabidopsis plants improves salinity tolerance.BMC plant biology · 2019Article
- Article
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7 authors at 3 institutions in 1 country.
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Abstract
Salinity is one of the major abiotic stresses that limit the growth and productivity of sugar beet (Beta vulgaris L.). To improve sugar beet's salinity tolerance, the ZxNHX and ZxVP1-1 genes encoding tonoplast Na(+)/H(+) antiporter and H(+)-PPase from xerophyte Zygophyllum xanthoxylum were co-expressed by Agrobacterium tumefaciens-mediated transformation. It is showed here that co-expression of ZxNHX and ZxVP1-1 confers enhanced salinity tolerance to the transformed sugar beet plants compared with the wild-type (WT) plants. The chimeric plants grew well in the presence of high salinity (400 mM NaCl), whereas WT plants displayed chlorosis and died within 8 days. Compared to WT plants, the chimeric plants co-expressing ZxNHX and ZxVP1-1 accumulated more proline, Na(+) and K(+) in their leaves and petioles when exposed to high salinity, which caused lower solute potential, retained more water and thus subjected to lesser cell membrane damage. Interestingly, the chimeric plants accumulated higher sucrose, glucose and fructose contents in their storage roots than WT plants in the absence or presence of high salinity. Our results suggested that co-expression of ZxNHX and ZxVP1-1 improved the osmoregulatory capacity in chimeric sugar beet through increased compartmentalization of ions into the vacuoles by enhancing the activity of proton pumps and thus mitigated Na(+)-toxicity for plants.
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