ArticleScientific reports2019
Isolation and characterization of an atypical LEA gene (IpLEA) from Ipomoea pes-caprae conferring salt/drought and oxidative stress tolerance.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 40 citations in OpenAlex.
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- LEA proteins and ABA signaling: reciprocal regulation in stress adaptation.Frontiers in plant science · 2025Review
- Comparative analysis of the LEA gene family in seven Ipomoea species, focuses on sweet potato (Ipomoea batatas L.).BMC plant biology · 2024Article
- Probiotics, Proline and Calcium Induced Protective Responses ofPlants (Basel, Switzerland) · 2023Article
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- Genetic mapping identified three hotspot genomic regions and candidate genes controlling heat tolerance-related traits in groundnut.Frontiers in plant science · 2023Article
- Characterization of the Gene Expression Profile Response to Drought Stress inInternational journal of molecular sciences · 2022Article
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- The effect of temperature conditioning (9°C and 20°C) on the proteome of entomopathogenic nematode infective juveniles.PloS one · 2022Article
- Physiological and Transcriptome Indicators of Salt Tolerance in Wild and Cultivated Barley.Frontiers in plant science · 2022Article
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- Ectopic Expression of a Salt-Inducible Gene,Genes · 2021Article
- Plant Group II LEA Proteins: Intrinsically Disordered Structure for Multiple Functions in Response to Environmental Stresses.Biomolecules · 2021Review
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- What Do We Know About the Genetic Basis of Seed Desiccation Tolerance and Longevity?International journal of molecular sciences · 2020Review
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Authors and funding
7 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Late embryogenesis abundant (LEA) proteins belong to a large family that exists widely in plants and is mainly involved in desiccation processes during plant development or in the response to abiotic stresses. Here, we reported on an atypical LEA gene (IpLEA) related to salt tolerance from Ipomoea pes-caprae L. (Convolvulaceae). Sequence analysis revealed that IpLEA belongs to the LEA_2 (PF03168) group. IpLEA was shown to have a cytoplasmic localization pattern. Quantitative reverse transcription PCR analysis showed that IpLEA was widely expressed in different organs of the I. pes-caprae plants, and the expression levels increased following salt, osmotic, oxidative, freezing, and abscisic acid treatments. Analysis of the 1,495 bp promoter of IpLEA identified distinct cis-acting regulatory elements involved in abiotic stress. Induction of IpLEA improved Escherichia coli growth performance compared with the control under abiotic stresses. To further assess the function of IpLEA in plants, transgenic Arabidopsis plants overexpressing IpLEA were generated. The IpLEA-overexpressing Arabidopsis seedlings and adult plants showed higher tolerance to salt and drought stress than the wild-type. The transgenic plants also showed higher oxidative stress tolerance than the wild-type Arabidopsis. Furthermore, the expression patterns of a series of stress-responsive genes were affected. The results indicate that IpLEA is involved in the plant response to salt and drought, probably by mediating water homeostasis or by acting as a reactive oxygen species scavenger, thereby influencing physiological processes under various abiotic stresses in microorganisms and plants.
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