Diverting tyrosine: Data from untargeted metabolic analysis of tomato fruit accumulating L-DOPA.

Diverting tyrosine: Data from untargeted metabolic analysis of tomato fruit accumulating L-DOPA.
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转移酪氨酸:番茄果实积累左旋多巴的非靶向代谢分析数据。

DOI:
10.1016/j.dib.2020.106678
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发表时间:
2021-03
期刊:
影响因子:
1.2
通讯作者:
Martin C
Martin C
中科院分区:
其他
文献类型:
--
作者:
Breitel D;Brett P;Alseekh S;Fernie AR;Butelli E;Martin C

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左旋多巴,也被称为左旋多巴或L-3,4-二羟基苯丙氨酸,是在植物中由氨基酸酪氨酸通过氧化合成的。酪氨酸转化为左旋多巴是甜菜色素生物合成的第一步。最近,在甜菜根中鉴定了负责这一步骤的基因BvCYP 76 AD 6,它是黄色和紫色甜菜色素的来源。该基因的过表达,特别是在番茄果实中,导致L-多巴的积累,否则是检测不到的。拟南芥转录因子AtMYB 12在果实中的共表达进一步增加了L-DOPA水平。为了研究这些水果中的代谢变化,我们对成熟水果进行了非靶向代谢物分析:进行GC-MS以鉴定初级代谢物的变化,使用LC-MS分析来鉴定专门代谢物的变化。这些数据可用于研究水果中酪氨酸转移的影响,伴随着L-DOPA在植物中的积累,并确定与这些代谢物积累相关的新的生物学作用。
L-DOPA, also known as Levodopa or L-3,4-dihydroxyphenylalanine, is synthesised in plants from the amino acid tyrosine, through oxidation. Conversion of tyrosine to L-DOPA constitues the first step of betalain biosynthesis in plants. Recently, the gene responsible for this step was identified in beetroot, BvCYP76AD6, that is the source of yellow and purple betalain pigments. Overexpression of this gene, specifically in tomato fruit, led to accumulation of L-DOPA that otherwise is not detectable. Co-expression of the Arabidopsis transcription factor, AtMYB12, in fruit, increased L-DOPA levels further. To study the metabolic changes in these fruit, we performed untargeted metabolite analysis of ripe fruit: GC-MS was performed to identify changes in primary metabolites, LC-MS analysis was used to identify alterations in specialised metabolites. These data can be used to study the impact of diversion of tyrosine in fruit, accompanied by the accumulation of L-DOPA in planta and to identify new biological roles associated with the accumulation of these metabolites.
DOI: 10.1016/j.ymben.2020.11.011
发表时间: 2021-05
影响因子: 8.4
作者:
Breitel D;Brett P;Alseekh S;Fernie AR;Butelli E;Martin C
通讯作者: Martin C
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