ArticleBMC plant biology2007
Impact of AtNHX1, a vacuolar Na+/H+ antiporter, upon gene expression during short- and long-term salt stress in Arabidopsis thaliana.
Article in BMC plant biology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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31 citing papers in PubMed, 101 citations in OpenAlex.
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- The maize geneFrontiers in plant science · 2024Article
- The Contribution of PGPR in Salt Stress Tolerance in Crops: Unravelling the Molecular Mechanisms of Cross-Talk between Plant and Bacteria.Plants (Basel, Switzerland) · 2023Review
- Physiological and Transcriptional Responses ofInternational journal of molecular sciences · 2023Article
- Crop Wild Relatives: A Valuable Source of Tolerance to Various Abiotic Stresses.Plants (Basel, Switzerland) · 2023Review
- Integrated mRNA and miRNA transcriptome analysis of grape in responses to salt stress.Frontiers in plant science · 2023Article
- Comparative transcriptome profiling reveals the importance ofFrontiers in microbiology · 2023Article
- Ectopic expression ofBiotechnology reports (Amsterdam, Netherlands) · 2022Article
- Impact of Nanomaterials on the Regulation of Gene Expression and Metabolomics of Plants under Salt Stress.Plants (Basel, Switzerland) · 2022Review
- Combating Salinity Through Natural Plant Extracts Based Biostimulants: A Review.Frontiers in plant science · 2022Review
- E3 ligase, the Oryza sativa salt-induced RING finger protein 4 (OsSIRP4), negatively regulates salt stress responses via degradation of the OsPEX11-1 protein.Plant molecular biology · 2021Article
- Cation/CaFrontiers in plant science · 2021Article
- A Region on Chromosome 7 Related to Differentiation of Rice (Frontiers in plant science · 2020Review
- Expression of AoNHX1 increases salt tolerance of rice and Arabidopsis, and bHLH transcription factors regulate AtNHX1 and AtNHX6 in Arabidopsis.Plant cell reports · 2019Article
- Genetic and transcriptional variations in NRAMP-2 and OPAQUE1 genes are associated with salt stress response in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
- Transcriptome Sequence Analysis Elaborates a Complex Defensive Mechanism of Grapevine (International journal of molecular sciences · 2018Article
- Comparative analysis of alfalfa (Medicago sativa L.) leaf transcriptomes reveals genotype-specific salt tolerance mechanisms.BMC plant biology · 2018Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAtNHX1, the most abundant vacuolar Na+/H+ antiporter in Arabidopsis thaliana, mediates the transport of Na+ and K+ into the vacuole, influencing plant development and contributing to salt tolerance. In this report, microarray expression profiles of wild type plants, a T-DNA insertion knockout mutant of AtNHX1 (nhx1), and a 'rescued' line (NHX1::nhx1) were exposed to both short (12 h and 48 h) and long (one and two weeks) durations of a non-lethal salt stress to identify key gene transcripts associated with the salt response that are influenced by AtNHX1.
results147 transcripts showed both salt responsiveness and a significant influence of AtNHX1. Fifty-seven of these genes showed an influence of the antiporter across all salt treatments, while the remaining genes were influenced as a result of a particular duration of salt stress. Most (69%) of the genes were up-regulated in the absence of AtNHX1, with the exception of transcripts encoding proteins involved with metabolic and energy processes that were mostly down-regulated.
conclusionWhile part of the AtNHX1-influenced transcripts were unclassified, other transcripts with known or putative roles showed the importance of AtNHX1 to key cellular processes that were not necessarily limited to the salt stress response; namely calcium signaling, sulfur metabolism, cell structure and cell growth, as well as vesicular trafficking and protein processing. Only a small number of other salt-responsive membrane transporter transcripts appeared significantly influenced by AtNHX1.
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