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  • Title: A shaE deletion mutant showed lower Na+ sensitivity compound to other deletion mutants in the Bacillus subtilis sodium/hydrogen antiporter (Sha) system.
    Author: Yoshinaka T, Takasu H, Tomizawa R, Kosono S, Kudo T.
    Journal: J Biosci Bioeng; 2003; 95(3):306-9. PubMed ID: 16233411.
    Abstract:
    The sodium/hydrogen antiporter (Sha, identical to multiple resistance and pH adaptation: Mrp) encoded by shaABCDEFG is considered to be the major Na+ excretion system in Bacillus subtilis. We constructed deletion mutants of each sha (=mrp) gene and found that a shaE mutant showed lower Na+ sensitivity compared to the other mutants with respect to the growth, sporulation and Na+ efflux activity. ShaE may have a dissimilar role to other Sha proteins in transport functions.
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