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A Phenylpyruvic Acid Reductase Is Required for Biosynthesis of Tropane Alkaloids
Organic Letters ( IF 4.9 ) Pub Date : 2018-12-04 00:00:00 , DOI: 10.1021/acs.orglett.8b03236
Fei Qiu 1 , Chunxian Yang 1 , Lina Yuan 1 , Dan Xiang 1 , Xiaozhong Lan 2 , Min Chen 3 , Zhihua Liao 1
Affiliation  

Solanaceous medicinal plants produce tropane alkaloids (TAs). We discovered a novel gene from Atropa belladonna, AbPPAR, which encodes a phenylpyruvic acid reductase required for TA biosynthesis. AbPPAR was specifically expressed in root pericycles and endodermis. AbPPAR was shown to catalyze reduction of phenylpyruvic acid to phenyllactic acid, a precursor of TAs. Suppression of AbPPAR disrupted TA biosynthesis through reduction of phenyllactic acid levels. In summary, we identified a novel enzyme involved in TA biosynthesis.

中文翻译:

苯丙酮酸还原酶是Tropane生物碱的生物合成所必需的

茄科药用植物产生托烷生物碱(TAs)。我们发现从一个新基因颠茄AbPPAR,其编码TA生物合成所需的苯基丙酮酸还原酶。AbPPAR在根周细胞和内胚层中特异性表达。已显示,AbPPAR可以催化苯丙酮酸还原为苯乳酸(TAs的前体)。AbPPAR的抑制通过降低苯乳酸水平破坏了TA的生物合成。总之,我们确定了一种参与TA生物合成的新型酶。
更新日期:2018-12-04
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