Substantial Epigenetic Variation Causing Flower Color Chimerism in the Ornamental Tree Revealed by Single Base Resolution Methylome Detection and Transcriptome Sequencing.

Epigenetic changes caused by methylcytosine modification participate in gene regulation and transposable element (TE) repression, resulting in phenotypic variation. Although the effects of DNA methylation and TE repression on flower, fruit, seed coat, and leaf pigmentation have been investigated, little is known about the relationship between methylation and flower color chimerism. In this study, we used a comparative methylomic⁻transcriptomic approach to explore the molecular mechanism responsible for chimeric flowers in "Danban Tiaozhi".

Distribution of 45S rDNA in Modern Rose Cultivars (Rosa hybrida), Rosa rugosa, and Their Interspecific Hybrids Revealed by Fluorescence in situ Hybridization.

To elucidate the evolutionary dynamics of the location and number of rDNA loci in the process of polyploidization in the genus Rosa, we examined 45S rDNA sites in the chromosomes of 6 modern rose cultivars (R. hybrida), 5 R. rugosa cultivars, and 20 hybrid progenies by fluorescence in situ hybridization.

Development of microsatellite markers for Lagerstroemia indica (Lythraceae) and related species.

Premise Of The Study: Microsatellite markers were developed and characterized to analyze genetic diversity within Lagerstroemia cultivars and related species. •

Methods And Results: Using simple sequence repeat (SSR)-enriched libraries, 11 species-specific polymorphic genomic SSRs were developed from L. indica 'Hong Die Fei Wu'.