Construction of a pathway to C50ε-carotene

Yusuke Otani, Takashi Maoka, Shigeko Kawai-Noma, Kyoichi Saito, Daisuke Umeno*

*この研究の対応する著者

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Substrate tolerance of bacterial cyclases has been demonstrated in various contexts, but little is known about that of plant cyclases. Here, we tested two plant ε-cyclases to convert C50lycopene, which we previously established by rounds of directed evolution. Unlike bacterial β-cyclases, two-end cyclase from lettuce exhibited complete specificity against this molecule, indicating that this enzyme has some mechanism that exerts size-specificity. Arabidopsis one-end cyclase At-y2 showed detectable activity to C50lycopene. Interestingly, we found that it functions as a two-end cyclase in a C50context. Based on this observation, a possible model for substrate discrimination of this enzyme is proposed.

本文言語English
論文番号e0216729
ジャーナルPloS one
14
5
DOI
出版ステータスPublished - 2019 5
外部発表はい

ASJC Scopus subject areas

  • 生化学、遺伝学、分子生物学(全般)
  • 農業および生物科学(全般)
  • 一般

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