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综合代谢学和转录学分析揭示了对罗莎·鲁戈萨 (Rosa rugosa) 的三烯生物合成的新见解

Guo Wei¹, Yang Xu¹, Pengqing Wang¹

¹College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China.

Plants (Basel, Switzerland)

|June 27, 2024

概括

红在不同的组织中积累了三基,其中RrOSC10被确定为它们生物合成中的关键酶. 盐度会影响RrOSC10基因表达,从而提供了对三类调节的见解.

科学领域:

植物代谢学植物代谢学
生物化学生物化学
分子生物学分子生物学

背景情况:

罗萨鲁戈萨因其美学和治疗性质而受到重视,特别是其花朵的精油.
在R. rugosa花中对挥发性烯的研究是广泛的,但跨组织的非挥发性烯知识是有限的.
类物质,包括三类物质,是具有多种生物活动的重要植物二次代谢物.

研究的目的:

为了全面分析罗莎 rugosa的五个不同的组织中的类代谢物.
使用综合代谢学和转录学研究三烯生物合成途径.
确定涉及三烯生产的关键酶和调节机制.

主要方法:

超高性能液体染色学-电子喷雾电离-质谱/质谱 (UPLC-ESI-MS/MS) 用于类代谢物分析.
RNA测序 (RNA-seq) 用于从五个R. rugosa组织中收集转录组数据.
代谢和转录组数据的综合分析,以阐明生物合成途径.

主要成果:

鉴定出三类是主要的类代谢物,在五种分析的组织中明显积累.
这项研究阐明了R. rugosa.中三烯生物合成途径中的关键步骤.
确定了RrOSC10基因是将2,3-oxidosqualene转化为α-amyrin的关键酶,这是一个关键的三类前体.
在盐度压力下,RrOSC10基因表达在第一个小时内显著上调,随后下调.

结论:

这项研究为Rosa rugosa中的三类化合物的组织特异性积累和生物合成调节提供了新的见解.
RrOSC10是三类生物合成中的关键酶,其表达对环境刺激 (如盐度) 产生反应.
这些发现为未来研究R. rugosa中三烯的遗传和代谢调节奠定了基础,有可能用于治疗应用.

关键词:

罗莎·鲁戈萨 (Rosa rugosa) 是一个红色的葡萄.氧化二二烯循环酶的使用方法三烯酸类的三烯酸.

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