Nature Communications (Feb 2019)

Hyperacidification of Citrus fruits by a vacuolar proton-pumping P-ATPase complex

  • Pamela Strazzer,
  • Cornelis E. Spelt,
  • Shuangjiang Li,
  • Mattijs Bliek,
  • Claire T. Federici,
  • Mikeal L. Roose,
  • Ronald Koes,
  • Francesca M. Quattrocchio

DOI
https://doi.org/10.1038/s41467-019-08516-3
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 11

Abstract

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The sour taste of citrus fruit results from the extremely low pH of juice vesicle cell vacuoles. Here the authors provide genetic evidence that a vacuolar P-type ATPase, that is known to determine flower color in petunia via vacuolar acidification, is also responsible for extreme acidification in citrus.