The basic helix-loop-helix transcription factor MdbHLH3 modulates leaf senescence in apple via the regulation of dehydratase-enolase-phosphatase complex 1  被引量:4

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作  者:Da-Gang Hu Cui-Hui Sun Quan-Yan Zhang Kai-Di Gu Yu-Jin Hao 

机构地区:[1]National Key Laboratory of Crop Biology,MOA Key Laboratory of Horticultural Crop Biology and Germplasm Innovation,College of Horticulture Science and Engineering,Shandong Agricultural University,Tai-An,Shandong 271018,China

出  处:《Horticulture Research》2020年第1期2047-2052,共6页园艺研究(英文)

基  金:supported by grants from the National Key Research and Development Program of China(2018YFD1000200);the National Natural Science Foundation of China(31972375);the Ministry of Agriculture of China(CARS-28);Shandong Province(SDAIT-06-03);Nanjing Agricultural University(ZW201805).

摘  要:Basic helix−loop−helix(bHLH)domain-containing transcription factors are known for their roles in regulating various plant growth and developmental processes.Previously,we showed that MdbHLH3 from apple(Malus domestica)has multiple functions,modulating both anthocyanin biosynthesis and cell acidification.Here,we show that MdbHLH3 also regulates ethylene biosynthesis and leaf senescence by promoting the expression of dehydratase-enolasephosphatase complex 1(MdDEP1).Therefore,we propose a model whereby MdbHLH3 acts as a crucial factor that modulates anthocyanin biosynthesis and cell acidification in addition to fruit ripening and leaf senescence by regulating distinct target genes.

关 键 词:Basic processes COMPLEX 

分 类 号:S661.1[农业科学—果树学]

 

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