ArticleBMC plant biology2021
Uncovering salt tolerance mechanisms in pepper plants: a physiological and transcriptomic approach.
Article in BMC plant biology, 2021. 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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10 citing papers in PubMed.
- Acetylcholine as a shield: enhancing growth and salt tolerance in pepper through ionic homeostasis, hormonal regulation, antioxidant defence and gene expression.Protoplasma · 2026Article
- Signal peptide engineering of a novel M4 family keratinase and the action mechanism in promoting pepper tolerance to salt stress through KerJY23-hydrolyzed feather waste.Synthetic and systems biotechnology · 2026Article
- Physiological Differences and Transcriptional Regulatory Characteristics of Salt-Tolerant and Salt-Sensitive Grapevine Cultivars Under Salt Stress.Plants (Basel, Switzerland) · 2026Article
- Isolation of the AP2/ERF transcription factor CaERF14 in pepper and functional characterization under salinity and dehydration stress.Scientific reports · 2025Article
- Rhizosphere microorganisms mediate ion homeostasis in cucumber seedlings: a new strategy to improve plant salt tolerance.BMC plant biology · 2025Article
- Pepper (Capsicum annuum L.) AP2/ERF transcription factor, CaERF2 enhances salt stress tolerance through ROS scavenging.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Transcriptomics in solanaceous crop improvement: advances and opportunities.Frontiers in plant science · 2025Review
- Revitalizing agriculture: next-generation genotyping and -omics technologies enabling molecular prediction of resilient traits in the Solanaceae family.Frontiers in plant science · 2024Review
- Article
- Effects of Conventional and Bokashi Hydroponics on Vegetative Growth, Yield and Quality Attributes of Bell Peppers.Plants (Basel, Switzerland) · 2021Article
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5 authors.
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Abstract
backgroundPepper is one of the most cultivated crops worldwide, but is sensitive to salinity. This sensitivity is dependent on varieties and our knowledge about how they can face such stress is limited, mainly according to a molecular point of view. This is the main reason why we decided to develop this transcriptomic analysis. Tolerant and sensitive accessions, respectively called A25 and A6, were grown for 14 days under control conditions and irrigated with 70 mM of NaCl. Biomass, different physiological parameters and differentially expressed genes were analysed to give response to differential salinity mechanisms between both accessions.
resultsThe genetic changes found between the accessions under both control and stress conditions could explain the physiological behaviour in A25 by the decrease of osmotic potential that could be due mainly to an increase in potassium and proline accumulation, improved growth (e.g. expansins), more efficient starch accumulation (e.g. BAM1), ion homeostasis (e.g. CBL9, HAI3, BASS1), photosynthetic protection (e.g. FIB1A, TIL, JAR1) and antioxidant activity (e.g. PSDS3, SnRK2.10). In addition, misregulation of ABA signalling (e.g. HAB1, ERD4, HAI3) and other stress signalling genes (e.g. JAR1) would appear crucial to explain the different sensitivity to NaCl in both accessions.
conclusionsAfter analysing the physiological behaviour and transcriptomic results, we have concluded that A25 accession utilizes different strategies to cope better salt stress, being ABA-signalling a pivotal point of regulation. However, other strategies, such as the decrease in osmotic potential to preserve water status in leaves seem to be important to explain the defence response to salinity in pepper A25 plants.
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