ArticlePlant molecular biology2010
Salt-induced expression of genes related to Na(+)/K(+) and ROS homeostasis in leaves of salt-resistant and salt-sensitive poplar species.
Article in Plant molecular biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.
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54 citing papers in PubMed, 145 citations in OpenAlex.
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- Transcriptome and Low-Affinity Sodium Transport Analysis Reveals Salt Tolerance Variations between Two Poplar Trees.International journal of molecular sciences · 2023Article
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- GmNAC06, a NAC domain transcription factor enhances salt stress tolerance in soybean.Plant molecular biology · 2021Article
- Populus euphratica WRKY1 binds the promoter of H+-ATPase gene to enhance gene expression and salt tolerance.Journal of experimental botany · 2020Article
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- Assessing trait contribution and mapping novel QTL for salinity tolerance using the Bangladeshi rice landrace Capsule.Rice (New York, N.Y.) · 2019Article
- Salinity stress in cotton: effects, mechanism of tolerance and its management strategies.Physiology and molecular biology of plants : an international journal of functional plant biology · 2019Review
- Progress in Understanding the Physiological and Molecular Responses ofInternational journal of molecular sciences · 2019Review
- Genome-wide identification of the HKT genes in five Rosaceae species and expression analysis of HKT genes in response to salt-stress in Fragaria vesca.Genes & genomics · 2019Article
- Transcriptome analysis reveals the impact of arbuscular mycorrhizal symbiosis on Sesbania cannabina expose to high salinity.Scientific reports · 2019Article
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14 authors at 4 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Using the Affymetrix poplar genome array, we explored the leaf transcriptome of salt-tolerant Populus euphratica Oliv. and salt-sensitive P. popularis 35-44 (P. popularis) under control and saline conditions. Our objective was to clarify the genomic differences in regulating K(+)/Na(+) and reactive oxygen species (ROS) homeostasis between the two species. Compared to P. popularis, salt-tolerant P. euphratica responses to salinity involved induction of a relatively larger number of probesets after short-term (ST) exposure to 150 mM NaCl (24 h) and relatively fewer probesets after a long-term (LT) exposure to salinity (200 mM NaCl, 28 days). Compared to P. popularis, leaves of the control P. euphratica plants exhibited a higher transcript abundance of genes related to Na(+)/H(+) antiport (Na(+)/H(+) antiporters, H(+) pumps) and K(+) uptake and transport. Notably, the expression of these genes did not decrease (with a few exceptions) during salt treatment. Regarding ROS homeostasis, P. euphratica exhibited rapid up-regulation of a variety of antioxidant enzymes after exposure to ST salinity, indicating a rapid adaptive response to salt stress. However, the effect of NaCl on transcription in P. popularis leaves was more pronounced after exposure to prolonged salinity. LT-stressed P. popularis up-regulated some genes mediating K(+)/Na(+) homeostasis but decreased transcription of main scavengers of superoxide radicals and H(2)O(2) except for some isoforms of a few scavengers. Mineral and ROS analyses show that NaCl induced a marked increase of leaf Na(+) and H(2)O(2) in LT-stressed plants of the two species and the effects were even more pronounced in the salt-sensitive poplar. We place the transcription results in the context of our physiological measurements to infer some implications of NaCl-induced alterations in gene expression related to K(+)/Na(+) and ROS homeostasis.
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