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转录组测序和基因表达分析揭示了牡丹（Paeonia ludlowii）早期胚珠败育。

Transcriptome sequencing and gene expression analysis revealed early ovule abortion of Paeonia ludlowii.

机构信息

Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding, Beijing Laboratory of Urban and Rural Ecological Environment, Engineering Research Center of Landscape Environment of Ministry of Education, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of Education, School of Landscape Architecture, National Engineering Research Center for Floriculture, Beijing Forestry University, Beijing, 100083, China.

School of Geography and Environmental Science/School of Karst Science, Guizhou Normal University, Guiyang, 550001, China.

出版信息

BMC Genomics. 2023 Feb 17;24(1):78. doi: 10.1186/s12864-023-09171-1.

DOI:10.1186/s12864-023-09171-1
PMID:36803218
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9936667/
Abstract

BACKGROUND

Paeonia ludlowii (Stern & G. Taylor D.Y. Hong) belongs to the peony group of the genus Paeonia in the Paeoniaceae family and is now classified as a "critically endangered species" in China. Reproduction is important for this species, and its low fruiting rate has become a critical factor limiting both the expansion of its wild population and its domestic cultivation.

RESULTS

In this study, we investigated possible causes of the low fruiting rate and ovule abortion in Paeonia ludlowii. We clarified the characteristics of ovule abortion and the specific time of abortion in Paeonia ludlowii, and used transcriptome sequencing to investigate the mechanism of abortion of ovules in Paeonia ludlowii.

CONCLUSIONS

In this paper, the ovule abortion characteristics of Paeonia ludlowii were systematically studied for the first time and provide a theoretical basis for the optimal breeding and future cultivation of Paeonia ludlowii.

摘要

背景

牡丹组（Paeonia ludlowii）隶属于毛茛科芍药属，现为中国“极危”物种。繁殖对于该物种至关重要，其较低的结实率已成为限制其野生种群扩张和国内栽培的关键因素。

结果

本研究旨在探讨牡丹组结实率低和胚珠败育的可能原因。我们阐明了牡丹组胚珠败育的特征及败育的具体时间，并利用转录组测序研究了牡丹组胚珠败育的机制。

结论

本文首次系统地研究了牡丹组胚珠败育的特征，为牡丹组的最佳繁殖和未来栽培提供了理论依据。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/98aa/9936667/9494611297a4/12864_2023_9171_Fig15_HTML.jpg
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