The Long-Distance Transport of Jasmonates in Salt-Treated Pea Plants and Involvement of Lipid Transfer Proteins in the Process.

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  • Additional Information
    • Source:
      Publisher: MDPI Country of Publication: Switzerland NLM ID: 101092791 Publication Model: Electronic Cited Medium: Internet ISSN: 1422-0067 (Electronic) Linking ISSN: 14220067 NLM ISO Abbreviation: Int J Mol Sci Subsets: MEDLINE
    • Publication Information:
      Original Publication: Basel, Switzerland : MDPI, [2000-
    • Subject Terms:
      Oxylipins*/metabolism ; Cyclopentanes*/metabolism ; Cyclopentanes*/pharmacology ; Pisum sativum*/metabolism ; Pisum sativum*/drug effects ; Plant Proteins*/metabolism ; Xylem*/metabolism ; Plant Roots*/metabolism ; Carrier Proteins*/metabolism ; Plant Leaves*/metabolism; Biological Transport ; Plant Growth Regulators/metabolism
    • Abstract:
      The adaption of plants to stressful environments depends on long-distance responses in plant organs, which themselves are remote from sites of perception of external stimuli. Jasmonic acid (JA) and its derivatives are known to be involved in plants' adaptation to salinity. However, to our knowledge, the transport of JAs from roots to shoots has not been studied in relation to the responses of shoots to root salt treatment. We detected a salt-induced increase in the content of JAs in the roots, xylem sap, and leaves of pea plants related to changes in transpiration. Similarities between the localization of JA and lipid transfer proteins (LTPs) around vascular tissues were detected with immunohistochemistry, while immunoblotting revealed the presence of LTPs in the xylem sap of pea plants and its increase with salinity. Furthermore, we compared the effects of exogenous MeJA and salt treatment on the accumulation of JAs in leaves and their impact on transpiration. Our results indicate that salt-induced changes in JA concentrations in roots and xylem sap are the source of accumulation of these hormones in leaves leading to associated changes in transpiration. Furthermore, they suggest the possible involvement of LTPs in the loading/unloading of JAs into/from the xylem and its xylem transport.
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    • Grant Information:
      23-24-00187 Russian Scientific Foundation
    • Contributed Indexing:
      Keywords: Pisum sativum L.; immunoblotting; immunolocalization; jasmonates; lipid transfer proteins; long-distance transport; xylem sap
    • Accession Number:
      0 (Oxylipins)
      0 (Cyclopentanes)
      6RI5N05OWW (jasmonic acid)
      0 (Plant Proteins)
      0 (Carrier Proteins)
      0 (lipid transfer protein)
      0 (Plant Growth Regulators)
    • Publication Date:
      Date Created: 20240713 Date Completed: 20240713 Latest Revision: 20240715
    • Publication Date:
      20240715
    • Accession Number:
      PMC11242760
    • Accession Number:
      10.3390/ijms25137486
    • Accession Number:
      39000596