ArticleHorticulture research2021
KSN heterozygosity is associated with continuous flowering of Rosa rugosa Purple branch.
Article in Horticulture research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 36 citations in OpenAlex.
- Histone deacetylation links jasmonic acid signaling to flower size control in rose.Molecular horticulture · 2026Article
- Physiology and Genetics of Continuous Flowering in Plants.Plant, cell & environment · 2026Review
- RrMYB2 Regulates Drought Stress via RrJMJ12-Dependent Epigenetic Modification in Rosa rugosa.Plant biotechnology journal · 2026Article
- Molecular investigation of the progenitors, origin and domestication patterns of diploid Chinese old garden roses.Annals of botany · 2026Article
- RcSRR1 interferes with the RcCSN5B-mediated deneddylation of RcCRL4 to modulate RcCO proteolysis and prevent rose flowering under red light.Horticulture research · 2025Article
- Genome-wide identification and characterization of DNA methyltransferases and demethylases inFrontiers in plant science · 2025Article
- Article
- Gene-flow investigation between garden and wild roses planted in close distance.Plant biotechnology (Tokyo, Japan) · 2023Article
- Identification of flowering genes in Camellia perpetua by comparative transcriptome analysis.Functional & integrative genomics · 2023Article
- Rose long noncoding RNA lncWD83 promotes flowering by modulating ubiquitination of the floral repressor RcMYC2L.Plant physiology · 2023Article
- Advances in DNA methylation and demethylation in medicinal plants: a review.Molecular biology reports · 2023Review
- Functional characterization of three TERMINAL FLOWER 1-like genes from Platanus acerifolia.Plant cell reports · 2023Article
- RcSPL1-RcTAF15b regulates the flowering time of rose (Horticulture research · 2023Article
- Genetic studies on continuous flowering in woody plantFrontiers in plant science · 2022Article
- Natural Variation in the Control of Flowering and Shoot Architecture in DiploidFrontiers in plant science · 2022Article
- Differentially Expressed Genes Related to Flowering Transition between Once- and Continuous-Flowering Roses.Biomolecules · 2021Article
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rose (Rosa spp.) plants flower via two contrasting methods: once flowering (OF) and continuous flowering (CF). Purple branch is a rare continuously flowering variety of Rosa rugosa that is extensively cultivated in China. However, the genetic basis of its CF behavior is unknown. We demonstrated that Purple branch is heterozygous for the TFL1 homolog KSN. One KSN allele with a 9 kb Copia insertion was found to be identical to that from continuously flowering Rosa chinensis Old blush. The other allele was found to be a functional wild-type allele. The overall expression of KSN was closely linked to the floral transition, and it was significantly repressed in continuously flowering Purple branch compared with OF Plena. The promoter region of the normal KSN allele was hypermethylated, and histone methylation at H3H4, H3K9, and H3K27 of the KSN gene locus was modified in continuously flowering Purple branch. Silencing of the DNA methyltransferase genes MET1 and CMT3 and the histone methyltransferase gene SUVR5 in Purple branch led to enhanced KSN expression, but silencing of the histone demethylase gene JMJ12 suppressed KSN expression. Therefore, the CF habit of Purple branch may be due to reduced expression of KSN caused by the halved dose and may be associated with epigenetic modifications together with retrotransposon insertions along the chromosome. Our study revealed a novel mechanism underlying the CF behavior of rose plants.
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