Transcriptome and chemical analyses identify candidate genes associated with flower color shift in a natural mutant of Chrysanthemum × morifolium
作者机构：Beijing Key Laboratory of Ornamental Plants Germplasm Innovation&Molecular BreedingNational Engineering Research Center for FloricultureBeijing Laboratory of Urban and Rural Ecological EnvironmentEngineering Research Center of Landscape Environment of Ministry of EducationKey Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of EducationSchool of Landscape ArchitectureBeijing Forestry UniversityBeijing 100083China
出 版 物：《Ornamental Plant Research》 (观赏植物研究（英文）)
年 卷 期：2022年第2卷第1期
页 面：193-204页
学科分类：1002[医学-临床医学] 100202[医学-儿科学] 10[医学]
基 金：funded by the Fundamental Research Funds for the Central Universities(grant numbers 2021BLRD08 2021JD03)
主 题：metabolism yellow flowers
摘 要：Flower color variation in Chrysanthemum×morifolium is an important horticultural *** study identifies a natural bud sprout mutant of chrysanthemum cultivar Hanluhong(HLH)which normally produces red *** the mutant(hlh),the tip of the petals turn golden yellow and gradually turn yellow from tip to the *** two years of consecutive propagation through cuttings,the mutant traits were ***,the contents of carotenoids and anthocyanidins were determined by HPLC-MS/*** to HLH,the hlh displayed significantly higher contents of *** we comparatively analyzed the transcriptome of the ray florets tissues during three flower developmental *** number of stage specific DEGs were found in mutant cultivar as compared to wild *** 200 DEGs were filtered related to the metabolism of flavonoids,carotenoids,terpenoids,and *** with weighted gene co-expression network analysis(WGCNA)and qRT-PCR verification,CHI,DFR,ANS and CCD4 genes involved in anthocyanins biosynthesis and carotenoids degradation were identified as candidate *** the transcription factors,MYB,bHLH and WD40 members showed significant expression variations between the two *** results improve our understanding of flower color variation especially red and yellow color transition in chrysanthemum.
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