p -Coumaroylation of lignin occurs outside of commelinid monocots in the eudicot genus Morus (mulberry)

Hellinger, Jan; Kim, Hoon; Ralph, John; Karlen, Steven D.

doi:10.1093/plphys/kiac485

Title: p -Coumaroylation of lignin occurs outside of commelinid monocots in the eudicot genus Morus (mulberry)

Journal Article · Fri Oct 21 00:00:00 EDT 2022 · Plant Physiology (Bethesda)

DOI:https://doi.org/10.1093/plphys/kiac485· OSTI ID:1924153

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Abstract The presence of p-coumarate (pCA) in plant cell walls is generally considered to be a trait present only in commelinid monocots. Here, we show that this long-held overgeneralizing assumption is incorrect and that mulberry trees (Morus) are eudicot plants that have lignins derived in part from monolignol pCA esters. As in commelinid monocots, the lignin-bound pCA acylates the sidechain γ-hydroxyl of both coniferyl and syringyl units. This discovery expands mulberry’s potential applications to include being a source of p-coumaric acid, a supplier of nutritious berries, a forage crop, a decorative plant, and the main food source for silkworms.

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Sponsoring Organization:: USDOE

OSTI ID:: 1924153

Alternate ID(s):: OSTI ID: 1895534

Journal Information:: Plant Physiology (Bethesda), Journal Name: Plant Physiology (Bethesda) Vol. 191 Journal Issue: 2; ISSN 0032-0889

Publisher:: Oxford University PressCopyright Statement

Country of Publication:: United States

Language:: English

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