ArticleFrontiers in plant science2014
Mechanisms of salt tolerance in habanero pepper plants (Capsicum chinense Jacq.): Proline accumulation, ions dynamics and sodium root-shoot partition and compartmentation.
Article in Frontiers in plant science, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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25 citing papers in PubMed, 86 citations in OpenAlex.
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- Novel Proteins of the High-Affinity Nitrate Transporter Family NRT2, SaNRT2.1 and SaNRT2.5, from the EuhalophyteInternational journal of molecular sciences · 2024Article
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- Alkaline Salt Inhibits Seed Germination and Seedling Growth of Canola More Than Neutral Salt.Frontiers in plant science · 2022Article
- Regulation of salt tolerance in the roots ofFrontiers in plant science · 2022Article
- Root vacuolar sequestration and suberization are prominent responses ofPlant direct · 2021Article
- Uncovering salt tolerance mechanisms in pepper plants: a physiological and transcriptomic approach.BMC plant biology · 2021Article
- Physiological and Biochemical Responses of Ungrafted and Grafted Bell Pepper Plants (Plants (Basel, Switzerland) · 2021Article
- Halophytes Differ in Their Adaptation to Soil Environment in the Yellow River Delta: Effects of Water Source, Soil Depth, and Nutrient Stoichiometry.Frontiers in plant science · 2021Article
- Networks of Physiological Adjustments and Defenses, and Their Synergy With Sodium (NaFrontiers in plant science · 2020Article
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- Could vesicular transport of Na+ and Cl- be a feature of salt tolerance in halophytes?Annals of botany · 2019Article
- Imperative roles of halotolerant plant growth-promoting rhizobacteria and kinetin in improving salt tolerance and growth of black gram (Phaseolus mungo).Environmental science and pollution research international · 2018Article
- Ectopic Expression ofFrontiers in plant science · 2018Article
- Leaf Physiological and Proteomic Analysis to Elucidate Silicon Induced Adaptive Response under Salt Stress in Rosa hybrida 'Rock Fire'.International journal of molecular sciences · 2017Article
- Genetic engineering strategies for biotic and abiotic stress tolerance and quality enhancement in horticultural crops: a comprehensive review.3 Biotech · 2017Review
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Despite its economic relevance, little is known about salt tolerance mechanisms in pepper plants. To address this question, we compared differences in responses to NaCl in two Capsicum chinense varieties: Rex (tolerant) and Chichen-Itza (sensitive). Under salt stress (150 mM NaCl over 7 days) roots of Rex variety accumulated 50 times more compatible solutes such as proline compared to Chichen-Itza. Mineral analysis indicated that Na(+) is restricted to roots by preventing its transport to leaves. Fluorescence analysis suggested an efficient Na(+) compartmentalization in vacuole-like structures and in small intracellular compartments in roots of Rex variety. At the same time, Na(+) in Chichen-Itza plants was compartmentalized in the apoplast, suggesting substantial Na(+) extrusion. Rex variety was found to retain more K(+) in its roots under salt stress according to a mineral analysis and microelectrode ion flux estimation (MIFE). Vanadate-sensitive H(+) efflux was higher in Chichen-Itza variety plants, suggesting a higher activity of the plasma membrane H(+)-ATPase, which fuels the extrusion of Na(+), and, possibly, also the re-uptake of K(+). Our results suggest a combination of stress tolerance mechanisms, in order to alleviate the salt-induced injury. Furthermore, Na(+) extrusion to apoplast does not appear to be an efficient strategy for salt tolerance in pepper plants.
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