Functional analysis of an anthocyanin synthase gene StANS in potato

Abstract Anthocyanin synthase (ANS), a key enzyme in anthocyanins synthesis, can convert the colorless leucoanthocyanins into colored anthocyanins. In this study, a potato anthocyanin synthase gene StANS was isolated and characterized. Expression analysis showed that the transcriptional expression of StANS in chromatic genotypes was significantly higher than that in yellow ones. Overexpressing the StANS gene could promote anthocyanin synthesis in potato tubers. Transient luciferase assays showed that the promoter of StANS could be activated by the transcription factors StAN2, StMYB113, and StAN11. These results indicated that the StANS gene, which was activated by the transcription factors StAN2, StMYB113, and StAN11, could promote the anthocyanins synthesis in potato tubers. These findings provide a theoretical and applicable basis for anthocyanins formation in colored potato tubers.

• Publication year

  2020

• Venue

  Scientia Horticulturae

• Publication date

  2020-10-15

• Fields of study

  Biology, Chemistry

• Identifiers
  DOI 10.1016/j.scienta.2020.109569
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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