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Title 

Development of transgenic potato with improved anthocyanin contents using sweet potato IbMYB1 gene

 

고구마의 IbMYB1 유전자를 이용한 안토시아닌 고함유 형질전환 감자의 개발

Authors 

Y H KimE H HanSang Soo KwakS W Lee

Publisher 

Korea Society of Plant Biotechnology

Issue Date 

2018

Citation 

Journal of Plant Biotechnology

Keywords 

AnthocyaninIbMYB1Transgenic potatoTuber specific promoter

Abstract 

The R2R3-type protein IbMYB1 transcription factor is a key regulator for anthocyanin biosynthesis in the storage roots of sweet potatoes. It was previously demonstrated that the IbMYB1 expression stimulates anthocyanin pigmentation in tobacco leaves, arabidopsis and storage roots of sweet potatoes. In this study, we generated the transgenic potato plants that express the IbMYB1 genes, which accumulated high levels of anthocyanins under the control of either the tuber-specific patatin (PAT) promoter or oxidative stress-inducible peroxidase anionic 2 (SWPA2) promoter. The PAT-MYB1 transgenic lines exhibited higher anthocyanin levels in the tuber than the empty vector control (EV) or SWPA2-MYB1 plants. When combined, our results indicated that overexpression of the IbMYB1 is a highly promising strategy for the generation of transgenic plants with enhanced tissue specific anthocyanin production.

URI 

https://doi.org/10.5010/JPB.2018.45.4.364

ISSN 

1229-2818

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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