Flowering is a vital agronomic trait that determines the economic value of most ornamental plants. The flowering time of rose (Rosa spp.) is photoperiod insensitive and is thought to be tightly controlled by light intensity, although the detailed molecular mechanism remains unclear.
View Article and Find Full Text PDFPurpose: To determine the caries status in children's deciduous teeth and examine the influence of family oral health behaviours on the caries status.
Materials And Methods: This cross-sectional study included 329 children aged 3-6 years in rural Heishanzui Township, Hebei Province, China, and used a completely random sampling method. These children underwent physical and oral health examinations.
The petals of rose (Rosa sp.) flowers determine the ornamental and industrial worth of this species. The number of petals in roses was previously shown to be subject to fluctuations in ambient temperature.
View Article and Find Full Text PDFLong noncoding RNAs (lncRNAs) play important roles in various signaling pathways in vascular plants. However, the crosstalk between lncRNAs and E3 ubiquitin ligases has been barely reported. In this study, we demonstrate that the lncRNA lncWD83 from rose (Rosa chinensis) 'Old blush' activates flowering by modulating the ubiquitination of the floral repressor MYC2 LIKE (RcMYC2L).
View Article and Find Full Text PDFPlant Physiol Biochem
September 2023
Gene regulation via intragenic sequences is becoming more recognized in many eukaryotes. However, the intragenic sequences mediated gene expressions in response to environmental stimuli have been largely uncharacterized. Here, we showed that the first intron of RrKSN from the Rosa rugosa cultivar 'Purple branch' had a positive effect on RrKSN expression, and the effect depends on its position and orientation.
View Article and Find Full Text PDFPseudo-response regulators () are the important genes for flowering in roses. In this work, clock were genome-wide identified using Arabidopsis protein sequences as queries, and their evolutionary analyses were deliberated intensively in Rosaceae in correspondence with angiosperms species. To draw a comparative network and flow of clock in roses, a co-expression network of flowering pathway genes was drawn using a string database, and their functional analysis was studied by silencing using VIGS and protein-to-protein interaction.
View Article and Find Full Text PDFAs day-neutral (DN) woody perennial plants, the flowering time of roses (Rosa spp.) is assumed to be independent of the photoperiodic conditions; however, light responses of rose plants are not well understood. Chinese rose (Rosa chinensis) plants were grown under two light intensities (low light [LL], 92 μmol·m-2·s-1; or high light [HL], 278 μmol·m-2·s-1), and either with or without an end-of-day far-red (EOD-FR) treatment.
View Article and Find Full Text PDFRose (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.
View Article and Find Full Text PDFPhotoperiodic flowering responses are classified into three major types: long day (LD), short day (SD), and day neutral (DN). The inverse responses to daylength of LD and SD plants have been partly characterized in Arabidopsis and rice; however, the molecular mechanism underlying the DN response is largely unknown. Modern roses are economically important ornamental plants with continuous flowering (CF) features, and are generally regarded as DN plants.
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