Root-Specific Expression of Vitis vinifera VviNPF2.2 Modulates Shoot Anion Concentration in Transgenic Arabidopsis.

ABSTRACT: Grapevines (Vitis vinifera L., Vvi) on their roots are generally sensitive to salt-forming ions, particularly chloride (Cl^-) when grown in saline environments. Grafting V. vinifera scions to Cl^--excluding hybrid rootstocks reduces the impact of salinity. Molecular components underlying Cl^--exclusion in Vitis species remain largely unknown, however, various anion channels and transporters represent good candidates for controlling this trait. Here, two nitrate/peptide transporter family (NPF) members VviNPF2.1 and VviNPF2.2 were isolated. Both highly homologous proteins localized to the plasma membrane of Arabidopsis (Arabidopsis thaliana) protoplasts. Both were expressed primarily in grapevine roots and leaves

SUBMITTER: Wu Y 

PROVIDER: S-EPMC9174944 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature