ArticlePlant biotechnology journal2019
Enhanced ROS scavenging and sugar accumulation contribute to drought tolerance of naturally occurring autotetraploids in Poncirus trifoliata.
Article in Plant biotechnology journal, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 68 papers.
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68 citing papers in PubMed, 175 citations in OpenAlex.
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- Induction and phenotype analysis of autotetraploids of Morus Mongolica.BMC plant biology · 2026Article
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- Integrating Chlorophyll Fluorescence with Anatomical and Physiological Analyses Reveals Interspecific Variation in Heat Tolerance Among EightPlants (Basel, Switzerland) · 2025Article
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- Integrative physiological and transcriptomic analysis provides insights on the molecular basis of ABA-enhanced drought tolerance in pear (Pyrus betulaefolia).BMC plant biology · 2025Article
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- Effect of PGPR on growth and nutrient utilization of Elymus nutans Griseb at different temperatures.PloS one · 2025Article
- Identification and Evaluation of Diploid and TetraploidPlants (Basel, Switzerland) · 2024Article
- Comparative Morphological, Physiological, and Transcriptomic Analyses of Diploid and Tetraploid Wucai (Plants (Basel, Switzerland) · 2024Article
- Comparative Field Evaluation and Transcriptome Analysis Reveals that Chromosome Doubling Enhances Sheath Blight Resistance in Rice.Rice (New York, N.Y.) · 2024Article
- Integrated transcriptome and metabolomics analyses revealed key functional genes in Canna indica under Cr stress.Scientific reports · 2024Article
- Gene expression analysis of drought tolerance and cuticular wax biosynthesis in diploid and tetraploid induced wallflowers.BMC plant biology · 2024Article
- Article
- Polyploidization: A Biological Force That Enhances Stress Resistance.International journal of molecular sciences · 2024Review
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8 more citing papers are in PubMed but not listed here.
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8 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Tetraploids have been reported to exhibit increased stress tolerance, but the underlying molecular and physiological mechanisms remain poorly understood. In this study, autotetraploid plants were identified by screening natural seedlings of trifoliate orange (Poncirus trifoliata). The tetraploids exhibited different morphology and displayed significantly enhanced drought and dehydration tolerance in comparison with the diploid progenitor. Transcriptome analysis indicated that a number of stress-responsive genes and pathways were differentially influenced and enriched in the tetraploids, in particular those coding for enzymes related to antioxidant process and sugar metabolism. Transcript levels and activities of antioxidant enzymes (peroxidase and superoxide dismutase) and sucrose-hydrolysing enzyme (vacuolar invertase) were increased in the tetraploids upon exposure to the drought, concomitant with greater levels of glucose but lower level of reactive oxygen species (ROS). These data indicate that the tetraploids might undergo extensive transcriptome reprogramming of genes involved in ROS scavenging and sugar metabolism, which contributes, synergistically or independently, to the enhanced stress tolerance of the tetraploid. Our results reveal that the tetraploids take priority over the diploid for stress tolerance by maintaining a more robust system of ROS detoxification and osmotic adjustment via elevating antioxidant capacity and sugar accumulation in comparison with the diploid counterpart.
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