Natural variation in <i>HvAT10</i> underlies grain cell wall-esterified phenolic acid content in cultivated barley.

ABSTRACT: The phenolic acids, ferulic acid and p-coumaric acid, are components of plant cell walls in grasses, including many of our major food crops. They have important health-promoting properties in grain, and influence the digestibility of biomass for industrial processing and livestock feed. Both phenolic acids are assumed to be critical to cell wall integrity and ferulic acid, at least, is important for cross-linking cell wall components, but the role of p-coumaric acid is unclear. Here we identify alleles of a BAHD p-coumaroyl arabinoxylan transferase, HvAT10, as responsible for the natural variation in cell wall-esterified phenolic acids in whole grain within a cultivated two-row spring barley panel. We show that HvAT10 is rendered non-functional by a prema

SUBMITTER: Houston K 

PROVIDER: S-EPMC10206312 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature