ArticleBMC plant biology2024
Integrative analyses of the transcriptome and metabolome reveal comprehensive mechanisms of monolignol biosynthesis in response to bioclimatic factors in Magnolia officinalis.
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundMagnolia officinalis (M. officinalis) thrives in temperate, elevated regions, and its desiccated bark comprises medicinal monolignol. Both abiotic and biotic factors can influence the pharmacodynamic compounds of M. officinalis, which display a variety of capabilities. It was the goal of this study to find the main bioclimatic factors that impact the amount of helpful compounds in M. officinalis and to show how these bioclimatic factors influence the metabolic pathways of magnolol and honokiol through actions on transcripts and molecules. We assessed the amounts of medicinal compounds in M. officinalis from Baoxing (BX), Nanjiang (NJ), Xuanhan (XH), and Beichuan (BC) in Sichuan Province. After that, the bioclimatic factors were gathered and put together that affected the growth and used the transcriptome and metabolome to label the M. officinalis data. The associated metabolic pathways were analyzed based on significant alterations in bioclimatic factors.
resultsTemperature and precipitation influence the accumulation of bioactive compounds in M. officinalis, as well as the metabolism of monolignol, amino acids, flavonoids, α-linolenic acid, and arachidonic acids. Moreover, temperature was negatively related to the mounts of phenylalanine ammonia-lyase (PAL), 4-coumarate-CoA ligase (4CL), and cinnamoyl-CoA reductase (CCR) in the monolignol biosynthetic pathway, as well as to the amounts of cinnamyl alcohol and 4-coumaryl alcohol that were made.
conclusionsModerate temperatures and appropriate precipitation enhanced the metabolism of monolignols in M. officinalis, ascribed to elevated levels of effective enzyme that correlated with the temperature and precipitation modulation of PAL, 4CL, and CCR activity. Furthermore, this study discovered that cinnamonyl alcohol and 4-coumaryl alcohol were critical precursors for the production of magnolol and honokiol, indicating potential strategies for improving M. officinalis' pharmacodynamic characteristics.
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