Nature Communications (Nov 2020)

FIS1 encodes a GA2-oxidase that regulates fruit firmness in tomato

  • Ren Li,
  • Shuai Sun,
  • Haijing Wang,
  • Ketao Wang,
  • Hong Yu,
  • Zhen Zhou,
  • Peiyong Xin,
  • Jinfang Chu,
  • Tongmin Zhao,
  • Huanzhong Wang,
  • Jiayang Li,
  • Xia Cui

DOI
https://doi.org/10.1038/s41467-020-19705-w
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 12

Abstract

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Fruit firmness is an important target for breeders and a key determinant of shelf life for many fruits. Here the authors show that mutating tomato FIS1, a GA2-oxidase, increases the concentration of bioactive gibberellins, enhances cutin and wax biosynthesis and increases fruit firmness.