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首页> 外文期刊>Physiologia plantarum >Functional annotation of expressed sequence tags as a tool to understand the molecular mechanism controlling flower bud development in tree peony
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Functional annotation of expressed sequence tags as a tool to understand the molecular mechanism controlling flower bud development in tree peony

机译:表达序列标签的功能注释可作为了解控制牡丹花芽发育的分子机制的工具

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摘要

Tree peony (Paeonia suffruticosaAndrews) is an important medicinal and ornamental plant. In China, its root bark is an important ingredient for traditional Chinese medicine. It is valued as an ornamental plant because its flower shows a wide variation in shape and color. We used flower buds at different developmental stages to construct the first cDNA library for this organism. A total of 2241 raw expressed sequence tags (ESTs) were obtained after unidirectional sequencing. After processing and assembly, they resulted in a total of 1300 unigenes [363 contigs with an average size of 3.5 ESTs (ranging from 2 up to 36) and 937 singletons]. Gene Ontology categories were assigned and further summarized into 13 broad families with biological roles according to similar functional characteristics or cellular roles. A total of 185 single nucleotide polymorphisms were detected for all contigs. We were able to detect open reading frames in the consensus sequences of 1268 unigenes. 97.5% of the ESTs showed significant similarity to sequences present in public databases. One hundred and sixty-seven short sequence repeats were obtained in the whole data set. All the analysis and information will be valuable resources for a better understanding of this important plant and also can be used for functional study in Paeoniaceae.
机译:牡丹(Paeonia suffruticosaAndrews)是重要的药用和观赏植物。在中国,其根皮是中药的重要成分。它被视为观赏植物,因为其花朵的形状和颜色差异很大。我们使用处于不同发育阶段的花蕾为该生物构建了第一个cDNA文库。单向测序后,总共获得了2241个原始表达的序列标签(EST)。经过加工和组装后,它们总共产生了1300个单基因[363个重叠群,平均大小为3.5个EST(从2到36个不等)和937个单例。根据相似的功能特征或细胞角色,将基因本体论类别进行了分配,并进一步归纳为具有生物学作用的13个宽泛家族。对于所有重叠群,共检测到185个单核苷酸多态性。我们能够检测到1268个单基因的共有序列中的开放阅读框。 97.5%的EST与公共数据库中的序列显示出显着相似性。在整个数据集中获得了167个短序列重复序列。所有的分析和信息将是宝贵的资源,有助于更好地了解这种重要植物,也可用于Pa药科的功能研究。

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