ArticlePlant signaling & behavior2015
Overexpression of SeNHX1 improves both salt tolerance and disease resistance in tobacco.
Article in Plant signaling & behavior, 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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Who cites it
10 citing papers in PubMed, 27 citations in OpenAlex.
- Overexpression of the Halophytic Vacuolar NaPlants (Basel, Switzerland) · 2026Article
- Ion homeostasis and coordinated salt tolerance mechanisms in a barley (Hordeum vulgare L.)doubled haploid line.BMC plant biology · 2025Article
- Beyond salt tolerance: SOS1-13's pivotal role in regulating the immune response toFrontiers in plant science · 2025Article
- Review
- Halophytes as new model plant species for salt tolerance strategies.Frontiers in plant science · 2023Review
- Heterophylly Quantitative Trait Loci Respond to Salt Stress in the Desert TreeFrontiers in plant science · 2021Article
- Review
- Transcriptomic analysis reveals vacuolar NaBMC plant biology · 2018Article
- Establishment of a gene function analysis system for the euhalophyte Salicornia europaea L.Plant cell reports · 2017Article
- Enhanced Growth Performance and Salinity Tolerance in Transgenic Switchgrass via Overexpressing Vacuolar NaFrontiers in plant science · 2017Article
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Authors and funding
5 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Recently, we found NHX1, the gene encoding a Na(+)/H(+) exchanger, participated in plant disease defense. Although NHX1 has been confirmed to be involved in plant salt tolerance, whether the NHX1 transgenic plants exhibit both salt tolerance and disease resistance has not been investigated. The T1 progenies of Nicotiana tabacum L. lines expressing SeNHX1 (from Salicornia europaea) were generated for the present study. Compared with PBI-type control plants, SeNHX1 transgenic tobaccos exhibited more biomass, longer root length, and higher K(+)/Na(+) ratio at post germination or seedling stage under NaCl treatment, indicating enhanced salt tolerance. The vacuolar H(+) efflux in SeNHX1 transgenic tobacco was increased after treatment of NaCl with different concentration. Meanwhile, the SeNHX1 transgenic tobaccos showed smaller wilted spot area, less H2O2 accumulation in leaves after infection of Phytophthora parasitica var. nicotianae. Further investigation demonstrated a larger NAD(P)(H) pool in SeNHX1 transgenic tobacco. These evidences revealed that overexpression of SeNHX1 intensified the compartmentation of Na(+) into vacuole under salt stress and improved the ability of eliminating ROS after pathogen attack, which then enhanced salt tolerance and disease resistance simultaneously in tobacco. Our findings indicate NHX1 has potential value in creating crops with both improved salt tolerance and disease resistance.
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