Transcriptome analysis reveals the expression of genes involved in the formation of petal variegation in Impatiens morsei

Abstract Impatiens morsei is an annual or perennial flower that is a member of the Impatiens genus in the Balsaminaceae family, with pink flowers and dark purple spots on the vexil and wing petals, which is important for the study of new flower colors of Balsaminaceae. However, there has been no stu...

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Main Authors: Hai-Ge Liu, Ting-Ting Feng, Si-Yu Ren, Jian-Yuan Yang, Lu-Qiu Zhao, Xiao-Li Zhang, Mei-Juan Huang, Hai-Quan Huang
Format: Article
Language:English
Published: Nature Portfolio 2025-04-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-93846-0
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author Hai-Ge Liu
Ting-Ting Feng
Si-Yu Ren
Jian-Yuan Yang
Lu-Qiu Zhao
Xiao-Li Zhang
Mei-Juan Huang
Hai-Quan Huang
author_facet Hai-Ge Liu
Ting-Ting Feng
Si-Yu Ren
Jian-Yuan Yang
Lu-Qiu Zhao
Xiao-Li Zhang
Mei-Juan Huang
Hai-Quan Huang
author_sort Hai-Ge Liu
collection DOAJ
description Abstract Impatiens morsei is an annual or perennial flower that is a member of the Impatiens genus in the Balsaminaceae family, with pink flowers and dark purple spots on the vexil and wing petals, which is important for the study of new flower colors of Balsaminaceae. However, there has been no study on the flavonoid biosynthesis pathway and carotenoid biosynthesis pathway of I. morsei and the mechanism of its pigment formation is still unclear. Transcriptome sequencing of spotted and non-spotted regions was performed using the petals of I. morsei at full bloom as test material. The results showed that (1) After transcriptome sequencing, 39,917 unigene sequences and 39,110 differentially expressed genes were obtained, and the number of genes that are down-expressed was higher than genes that are up-expressed. (2) Three key genes in the flavonoid biosynthetic pathway, FLS, PAL, and CHS1, were screened out. Additionally, two key genes in the carotenoid biosynthetic pathway, ABA1 and CCS, were identified. Furthermore, two regulatory genes, MSI4 and CPC, were also selected.and analyzed the spatiotemporal expression patterns of these seven genes. The results of this study lay a theoretical foundation for the study of the formation mechanism of floral spots in I. morsei.
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spelling doaj-art-3a7459c4f98043ccb34bc4e5e5aed0c92025-08-20T03:07:40ZengNature PortfolioScientific Reports2045-23222025-04-0115111610.1038/s41598-025-93846-0Transcriptome analysis reveals the expression of genes involved in the formation of petal variegation in Impatiens morseiHai-Ge Liu0Ting-Ting Feng1Si-Yu Ren2Jian-Yuan Yang3Lu-Qiu Zhao4Xiao-Li Zhang5Mei-Juan Huang6Hai-Quan Huang7College of Landscape Architecture and Horticulture Sciences, Southwest Forestry UniversityCollege of Landscape Architecture and Horticulture Sciences, Southwest Forestry UniversityCollege of Landscape Architecture and Horticulture Sciences, Southwest Forestry UniversityCollege of Landscape Architecture and Horticulture Sciences, Southwest Forestry UniversityCollege of Landscape Architecture and Horticulture Sciences, Southwest Forestry UniversityCollege of Landscape Architecture and Horticulture Sciences, Southwest Forestry UniversityCollege of Landscape Architecture and Horticulture Sciences, Southwest Forestry UniversityCollege of Landscape Architecture and Horticulture Sciences, Southwest Forestry UniversityAbstract Impatiens morsei is an annual or perennial flower that is a member of the Impatiens genus in the Balsaminaceae family, with pink flowers and dark purple spots on the vexil and wing petals, which is important for the study of new flower colors of Balsaminaceae. However, there has been no study on the flavonoid biosynthesis pathway and carotenoid biosynthesis pathway of I. morsei and the mechanism of its pigment formation is still unclear. Transcriptome sequencing of spotted and non-spotted regions was performed using the petals of I. morsei at full bloom as test material. The results showed that (1) After transcriptome sequencing, 39,917 unigene sequences and 39,110 differentially expressed genes were obtained, and the number of genes that are down-expressed was higher than genes that are up-expressed. (2) Three key genes in the flavonoid biosynthetic pathway, FLS, PAL, and CHS1, were screened out. Additionally, two key genes in the carotenoid biosynthetic pathway, ABA1 and CCS, were identified. Furthermore, two regulatory genes, MSI4 and CPC, were also selected.and analyzed the spatiotemporal expression patterns of these seven genes. The results of this study lay a theoretical foundation for the study of the formation mechanism of floral spots in I. morsei.https://doi.org/10.1038/s41598-025-93846-0Impatiens morseiVariegationTranscriptome analysisGene expression
spellingShingle Hai-Ge Liu
Ting-Ting Feng
Si-Yu Ren
Jian-Yuan Yang
Lu-Qiu Zhao
Xiao-Li Zhang
Mei-Juan Huang
Hai-Quan Huang
Transcriptome analysis reveals the expression of genes involved in the formation of petal variegation in Impatiens morsei
Scientific Reports
Impatiens morsei
Variegation
Transcriptome analysis
Gene expression
title Transcriptome analysis reveals the expression of genes involved in the formation of petal variegation in Impatiens morsei
title_full Transcriptome analysis reveals the expression of genes involved in the formation of petal variegation in Impatiens morsei
title_fullStr Transcriptome analysis reveals the expression of genes involved in the formation of petal variegation in Impatiens morsei
title_full_unstemmed Transcriptome analysis reveals the expression of genes involved in the formation of petal variegation in Impatiens morsei
title_short Transcriptome analysis reveals the expression of genes involved in the formation of petal variegation in Impatiens morsei
title_sort transcriptome analysis reveals the expression of genes involved in the formation of petal variegation in impatiens morsei
topic Impatiens morsei
Variegation
Transcriptome analysis
Gene expression
url https://doi.org/10.1038/s41598-025-93846-0
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