Nuclear DNA content and 1Cx-value variations in genus<i>Rosa</i>L.

Jian, Hongying; Zhang, Ting; Wang, Qigang; Yan, Huijun; Qiu, Xianqin; Zhou, Ninging; Li, Shubin; Chen, Min; Zhang, Hao; Tang, Kaixue

doi:10.1080/0144235x.2014.974356

Cited by 3 publications

(3 citation statements)

References 46 publications

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“…In the genus Rosa the 2C DNA amount in diploid species ranges from 0.78 pg in Rosa xanthina (section Pimpinellifoliae ) to 1.29 pg in ‘Félicité and Perpétue’ (hybrid Sempervirens) 67 and from 0.73 pg in R. zhongdianensis (section Pimpinellifoliae ) to 1.77 pg in R. brunonii (section Synstylae ) 68 . The recently sequenced R. chinensis is among the largest genomes known among diploid roses (estimated at 1.16 pg 67 to 1.67 pg 68 ). Roses from the Pimpinellifoliae section generally have the smallest genome size, while Synstylae roses have the largest genomes 68 .…”

Section: Structural Genomic Variation In Rosementioning

confidence: 99%

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In the name of the rose: a roadmap for rose research in the genome era

et al. 2019

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The recent completion of the rose genome sequence is not the end of a process, but rather a starting point that opens up a whole set of new and exciting activities. Next to a high-quality genome sequence other genomic tools have also become available for rose, including transcriptomics data, a high-density single-nucleotide polymorphism array and software to perform linkage and quantitative trait locus mapping in polyploids. Rose cultivars are highly heterogeneous and diverse. This vast diversity in cultivated roses can be explained through the genetic potential of the genus, introgressions from wild species into commercial tetraploid germplasm and the inimitable efforts of historical breeders. We can now investigate how this diversity can best be exploited and refined in future breeding work, given the rich molecular toolbox now available to the rose breeding community. This paper presents possible lines of research now that rose has entered the genomics era, and attempts to partially answer the question that arises after the completion of any draft genome sequence: ‘Now that we have “the” genome, what’s next?’. Having access to a genome sequence will allow both (fundamental) scientific and (applied) breeding-orientated questions to be addressed. We outline possible approaches for a number of these questions.

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Section: Structural Genomic Variation In Rosementioning

confidence: 99%

“…The recently sequenced R. chinensis is among the largest genomes known among diploid roses (estimated at 1.16 pg 67 to 1.67 pg 68 ). Roses from the Pimpinellifoliae section generally have the smallest genome size, while Synstylae roses have the largest genomes 68 .…”

Section: Structural Genomic Variation In Rosementioning

confidence: 99%

In the name of the rose: a roadmap for rose research in the genome era

et al. 2019

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“…In Australia, it is known as sleeper weed due to its smaller height. This species is highly valuable because of its medicinal properties [3,4].…”

Section: Distribution Of Rosa Laevigatamentioning

confidence: 99%

A Review on Secondary Metabolites of Rosa laevigata Michaux: An Important Medicinal Plant

Mehboob¹,

Iqbal²,

Ejaz³

et al. 2017

Biochem Anal Biochem

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Complex and reticulate origin of edible roses (Rosa, Rosaceae) in China

Cui

Zhong

et al. 2022

Horticulture Research

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While roses are today among the most popular ornamental plants, the petals and fruits of some cultivars have flavored foods for millennia. The genetic origins of these edible cultivars remain poorly investigated. We collected the major varieties of edible roses available in China, assembled their plastome sequences, and phased the haplotypes for internal transcribed spacers (ITS1/ITS2) of the 18S-5.8S-26S nuclear ribosomal cistron. Our phylogenetic reconstruction using 88 plastid genomes, of primarily maternal origin, uncovered well-supported genetic relationships within Rosa, including all sections and all subgenera. We phased the ITS sequences to identify potential donor species ancestral to the development of known edible cultivars. The tri-parental Middle-Eastern origin of R. × damascena, the species most widely used in perfume products and food additives, was confirmed as a descendent of past hybridizations among R. moschata, R. gallica, and R. majalis/R. fedtschenkoana/R. davurica. In contrast, R. chinensis, R. rugosa, and R. gallica, in association with six other wild species, were the main donors for fifteen varieties of edible roses. The domesticated R. rugosa ‘Plena’ was shown to be a hybrid between R. rugosa and R. davurica, sharing a common origin with R. ‘Fenghua’. Only R. ‘Jinbian’ and R. ‘Crimson Glory’ featured continuous flowering. All remaining cultivars of edible roses bloomed only once a year. Our study provides important resources for clarifying the origin of edible roses and suggests a future for breeding new cultivars with unique traits, such as continuous flowering.

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Nuclear DNA content and 1Cx-value variations in genusRosaL.

Cited by 3 publications

References 46 publications

In the name of the rose: a roadmap for rose research in the genome era

In the name of the rose: a roadmap for rose research in the genome era

A Review on Secondary Metabolites of Rosa laevigata Michaux: An Important Medicinal Plant

Complex and reticulate origin of edible roses (Rosa, Rosaceae) in China

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