Genetic Control of Seed Phytate Accumulation and the Development of Low-Phytate Crops: A Review and Perspective

Wei Wang, Yiwen Xie, Lei Liu, Graham J. King, Philip White, Guangda Ding, Sheliang Wang, Hongmei Cai, Chuang Wang, Fangsen Xu, Lei Shi (Lead / Corresponding author)

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)

Abstract

Breeding low phytic acid (lpa) crops is a strategy that has potential to both improve the nutritional quality of food and feed and contribute to the sustainability of agriculture. Here, we review the lipid-independent and -dependent pathways of phytate synthesis and their regulatory mechanisms in plants. We compare the genetic variation of the phytate concentration and distribution in seeds between dicot and monocot species as well as the associated temporal and spatial expression patterns of the genes involved in phytate synthesis and transport. Quantitative trait loci or significant single nucleotide polymorphisms for the seed phytate concentration have been identified in different plant species by linkage and association mapping, and some genes have been cloned from lpa mutants. We summarize the effects of various lpa mutations on important agronomic traits in crop plants and propose SULTR3;3 and SULTR3;4 as optimal target genes for lpa crop breeding.

Original languageEnglish
Pages (from-to)3375-3390
Number of pages16
JournalJournal of Agricultural and Food Chemistry
Volume70
Issue number11
Early online date11 Mar 2022
DOIs
Publication statusPublished - 23 Mar 2022

Keywords

  • Mutation
  • Phytic Acid/metabolism
  • Plant Breeding
  • Quantitative Trait Loci
  • Seeds/genetics
  • seed phosphorus
  • seed quality
  • gene regulation
  • agronomic trait
  • quantitative trait loci
  • phytate

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