Transcription factors LvBBX24 and LvbZIP44 coordinated anthocyanin accumulation in response to light in lily petals

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外文摘要：Lily(Lilium spp.),a horticultural crop serving both ornamental and edible functions,derives its coloration primarily from anthocyanins.However,limited studies have been conducted on the accumulation of anthocyanins within lilies.In this study,we cloned a light-induced transcription factor named as LvBBX24 in lilies.Through genetic and biochemical analysis,we determined that LvBBX24 could upregulate the transcription of LvMYB5 and facilitate anthocyanin synthesis.Moreover,we identified that darkness promoted the degradation of LvBBX24 protein.Through screening a yeast library,we identified LvbZIP44 acts as its interacting partner.Genetic testing confirmed that LvbZIP44 also plays a role in promoting lily anthocyanin synthesis.This indicates a potential synergistic regulatory effect between LvBBX24 and LvbZIP44.Our study indicates that LvBBX24 and LvbZIP44 cooperate to regulate anthocyanin accumulation in lily petals.These findings provide compelling evidence supporting the idea that LvBBX24 and LvbZIP44 may form a looped helix surrounding the LvMYB5 promoter region to regulate anthocyanin biosynthesis.

作者：

Zhenhua Gao、Yibo Sun、Ziman Zhu、Na Ni、Shaokun Sun、Mengyao Nie、Weifeng Du、Muhammad Irfan、Lijing Chen、Li Zhang

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作者单位：

Key Laboratory of Agriculture Biotechnology,Key Laboratory of Protected Horticulture(Ministry of Education),College of Biosciences and Biotechnology,Shenyang Agricultural University,Shenyang,Liaoning 110161,China

Institute of Vegetable Research,Liaoning Academy of Agricultural Sciences,Shenyang,Liaoning 110161,China

Department of Biotechnology,University of Sargodha,Sargodha Pakistan

出版年：

2024

DOI：

10.1093/hr/uhae211

园艺研究(英文)

CSTPCD

ISSN：

年,卷(期)：2024.11(10)