ArticleGenes & genomics2020
SsPsaH, a H subunit of the photosystem I reaction center of Suaeda salsa, confers the capacity of osmotic adjustment in tobacco.
Article in Genes & genomics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
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4 citing papers in PubMed, 1 synthesis or guideline pooled it, 14 citations in OpenAlex.
- Comparative bibliometric insights into Chinese and international research onFrontiers in plant science · 2026Pooled it
- Integrating bioinformatics to explore HPV-31 and HPV-52 E6/E7 proteins: from structural analysis to antigenic epitope prediction.Frontiers in immunology · 2025Article
- Comparative transcriptome analysis reveals the adaptive mechanisms of halophyteFrontiers in plant science · 2024Article
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8 authors at 1 institution in 1 country.
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Abstract
backgroundAbiotic stress effects agricultural production, so research on improving stress tolerance of crop is important. Suaeda salsa is a halophyte with high salt and drought tolerance and ability to desalinate saline soil and improve soil quality.
objectiveTo discover and utilize of salt and drought tolerance-related genes, we further investigated the mechanisms of salt and drought tolerance.
methodsThrough screening a salt treated Suaeda salsa cDNA library and further cloning a H subunit of the photosystem I reaction center SsPsaH cDNA, and then the protein domain and phylogenetic analyses of PSI genes was conducted with the NCBI Blast, DNAMAN, and MotifScan programs. The S. salsa seedlings were subjected to various stress treatments and analyze expression of SsPsaH under these treatments by real-time RT-PCR. SsPsaH expression construct was introduced into S. pombe cells by electroporation and transformed into N. tabacum plants by the leaf disc transformation method.
resultsA member of the H subunit of the Photosystem I reaction center (defined as SsPsaH) was obtained. The expression of SsPsaH was up-regulated by abscisic acid (ABA), salt, and drought stress treatments. Over-expressing SsPsaH in recombinant yeasts enhanced high salinity tolerance and increased tolerance to sorbitol during seed germination and seedling root development in tobacco, respectively. Some stress-related mark genes such as a LEA family gene of NtLEA, a binding protein of a drought response element of NtDREB, the ascorbate peroxidase gene (NtAPX) were also up-regulated in SsPsaH overexpressing transgenic tobacco lines.
conclusionsThese results show that SsPsaH may contribute to the salt and osmotic stress response of plants.
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