ABA and MeJA Induced Catechin and Epicatechin Biosynthesis and Accumulation in Fruit Shells

Overview

Journal Plants (Basel)

Date 2024 Aug 29

PMID 39204647

Authors

Shucan Liu

Zhaotong He

Huangping Yin

Yue Zhang

Zexuan He

Xiaoxiao Zou

Yan Yin

Fenglin Chen

Xinhong Guo

Affiliations

Soon will be listed here.

Abstract

Abel, one of the most valuable woody oil plants, has been widely cultivated for extracting edible oil. The shell of is a by-product generated in the processing of edible oil extraction. However, there is still limited research on the maturity and high-value resource utilization of shell by-products. We found that the 'Huashuo' (HS) fruit shells contained a high content of catechins. Abscisic acid (ABA) and methyl jasmonate (MeJA) enhanced the accumulation of catechins in fruit shells, providing a basis for production and application of the catechins in fruit shells of . We further found that 500 μM ABA and 900 μM MeJA significantly promoted the accumulation of catechin (C) and epicatechin (EC) in fruit shells. Following treatment with 900 μM MeJA, the expressions of , , , , , , , , , , , and were significantly upregulated, while after 500 μM ABA treatment the expressions of , , , , , , , , , , and increased dramatically. These results indicate that appropriate concentrations of ABA and MeJA activate C and EC biosynthesis and promote their accumulation in fruit shells. Our results provide new ideas and guidance for promoting the resource utilization of fruit shells.

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