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Effects of salt stress on seedling growth and anthocyanin synthesis in black goji (Lycium ruthenicum Murray)
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DOI：10.1016/j.jplph.2026.154821.png)
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Abstract
En 中文
Black goji (Lycium ruthenicum Murray) is a distinctive desert medicinal plant indigenous to western China. It is characterized by its high concentration of anthocyanins, which have antioxidant properties, and is recognized for its significant medicinal and health benefits. However, the mechanism by which salt stress promotes the formation of high-quality black goji is still unclear. This study investigated the effects of salt stress on growth and anthocyanin synthesis in black goji. Our results showed that salt stress inhibited the growth of black goji seedlings and promoted the synthesis and accumulation of anthocyanins. Moreover, salt stress enhanced the regulatory effect of the MBW complex on the promoters of anthocyanin synthesis genes. Interestingly, salt stress promoted the synthesis and accumulation of anthocyanins in the LrAN2 transgenic callus of black goji. Transcriptome and metabolome analyses indicated that LrAN2 promoted the expression of anthocyanin synthesis-related genes and the accumulation of metabolites, and this effect was further enhanced under salt stress. This study provides a basis for understanding the molecular mechanism of anthocyanin synthesis in black goji.
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