Draft genome of the famous ornamental plant <i>Paeonia suffruticosa</i>

Lv, Shuzuo; Cheng, Shu; Wang, Zhanying; Li, Shiming; Jin, Xin; Lan, Lei; Yang, Bing; Yu, Kun; Ni, Xiliang; Li, Ning; Hou, Xiaogai; Huang, Gang; Wang, Jie; Dong, Yang; Wang, Erqiang; Huang, Jun; Zhang, Gengyun; Can-jun, Zhang

doi:10.1002/ece3.5965

Cited by 41 publications

(41 citation statements)

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“…As the karyotype of Capsella rubella was suggested to be similar to the ACK of the family Brassicaceae, 63 we compared karyotypes of C. lasiocarpa and Capsella rubella using previously reported methods ( Supplementary Figs S7 and S8 ). 17 , 67 We compared the genomic blocks of C. lasiocarpa with inferred ancestral karyotypes, including the ACK ( n = 8), proto-calepineae karyotype (PCK; n = 7) and translocated PCK (tPCK; n = 7). The karyotype of C. lasiocarpa was inferred to evolve from the ACK.…”

Section: Resultsmentioning

confidence: 99%

A chromosome-level genome assembly of an alpine plant Crucihimalaya lasiocarpa provides insights into high-altitude adaptation

et al. 2022

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It remains largely unknown how plants adapt to the high-altitude habitats. Crucihimalaya (Brassicaceae) is an alpine genus occurring in the Qinghai-Tibet Plateau characterized by cold temperatures and strong UV radiation. Here we generated a chromosome-level genome for C. lasiocarpa with a total size of 255.8 Mb and a scaffold N50 size of 31.9 Mb. We firstly examined the karyotype origin of this species and found that the karyotype of five chromosomes resembled the ancestral karyotype of the Brassicaceae family, while the other threes showed strong chromosomal structural variations. In combination with the rough genome sequence of another congener (C. himalaica), we found that the significantly expanded gene families and positively selected genes involved in alpine adaptation occurred since the origin of this genus. Our new findings provide a valuable information for chromosomal karyotype evolution of Brassicaceae and investigations of high-altitude environment adaptation of the genus.

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Section: Resultsmentioning

confidence: 99%

A chromosome-level genome assembly of an alpine plant Crucihimalaya lasiocarpa provides insights into high-altitude adaptation

et al. 2022

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“…To analyze the molecular mechanism of tree peony flowering regulation, many research projects have been carried out, especially after the publication of the draft genome of Paeonia suffruticosa . 15 A normalized cDNA library from flower buds of tree peony during chilling fulfillment was sequenced on a Roche 454 GS FLX platform. De novo assembly yielded 23,652 contigs and singletons, providing a significant resource for gene discovery related to endodormancy.…”

Section: Introductionmentioning

confidence: 99%

Identification of differentially expressed miRNAs and their target genes in response to brassinolide treatment on flowering of tree peony (Paeonia ostii)

Zhang

Song

Guo

et al. 2022

Plant Signaling & Behavior

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Tree peony is a famous flower plant in China, but the short and concentrated flowering period limits its ornamental value and economic value. Brassinolide (BR) plays an important role in plant growth and development including flowering. There have been a large number of reports on the molecular aspects of the flowering process, but the genetic mechanism that was responsible for miRNA-guided regulation of tree peony is almost unclear. In this study, the leaves of tree peony cultivar, ‘Feng Dan’, were sprayed with different concentrations of BR, and the obvious bloom delay was found at the treatment with BR 50 μg/L. The small RNA sequencing and transcriptome sequencing were performed on the petals of tree peony under an untreated control (CK) and the treatment with BR 50 μg/L during four consecutive flowering development stages. A total of 22 known miRNAs belonging to 12 families were identified and 84 novel miRNAs were predicted. Combined with transcriptome data, a total of 376 target genes were predicted for the 18 differentially expressed known miRNAs and 177 target genes were predicted for the 23 differentially expressed novel miRNAs. Additionally, the potential miRNAs and their target genes were identified, including miR156b targeting SPL , miR172a_4 targeting AP2 and four novel miRNAs targeting SPA1 , and revealed that they might affect the flowering time in tree peony. Collectively, these results would provide a theoretical basis for further analysis of miRNA-guided regulation on flowering period in tree peony.

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“…Many breeding techniques have been applied to model plants and crops, such as magnetic nanoparticle-mediated transgenic technology [218][219][220] or carbon nanotubemediated DNA delivery technology 221 , which can be applied to peony breeding without the need to establish a stable genetic transformation system. The draft genome of P. × suffruticosa 'Luo shen xiao chun' has been published 222 . The first genomic data of Paeonia will play a positive role in promoting the modern molecular breeding of members of this genus.…”

Section: Discussionmentioning

confidence: 99%

Germplasm resources and genetic breeding of Paeonia: a systematic review

Yang

Sun

et al. 2020

Hortic Res

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Members of the genus Paeonia, which consists of globally renowned ornamentals and traditional medicinal plants with a rich history spanning over 1500 years, are widely distributed throughout the Northern Hemisphere. Since 1900, over 2200 new horticultural Paeonia cultivars have been created by the discovery and breeding of wild species. However, information pertaining to Paeonia breeding is considerably fragmented, with fundamental gaps in knowledge, creating a bottleneck in effective breeding strategies. This review systematically introduces Paeonia germplasm resources, including wild species and cultivars, summarizes the breeding strategy and results of each Paeonia cultivar group, and focuses on recent progress in the isolation and functional characterization of structural and regulatory genes related to important horticultural traits. Perspectives pertaining to the resource protection and utilization, breeding and industrialization of Paeonia in the future are also briefly discussed.

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Draft genome of the famous ornamental plant Paeonia suffruticosa

Cited by 41 publications

References 100 publications

A chromosome-level genome assembly of an alpine plant Crucihimalaya lasiocarpa provides insights into high-altitude adaptation

A chromosome-level genome assembly of an alpine plant Crucihimalaya lasiocarpa provides insights into high-altitude adaptation

Identification of differentially expressed miRNAs and their target genes in response to brassinolide treatment on flowering of tree peony (Paeonia ostii)

Germplasm resources and genetic breeding of Paeonia: a systematic review

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