De novo assembly and transcriptome analysis of contrasting sugarcane varieties.

De novo assembly and transcriptome analysis of contrasting sugarcane varieties.
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DOI:
10.1371/journal.pone.0088462
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发表时间:
2014
期刊:
影响因子:
3.7
通讯作者:
Vicentini R
Vicentini R
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Cardoso-Silva CB;Costa EA;Mancini MC;Balsalobre TW;Canesin LE;Pinto LR;Carneiro MS;Garcia AA;de Souza AP;Vicentini R

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甘蔗是一种重要的作物,也是糖和酒精的主要来源。在这项研究中,我们进行了从头组装和转录组注释的六个甘蔗基因型参与双亲杂交。使用使用Illumina RNA-Seq平台产生的短读段进行甘蔗转录组的从头组装。我们产生了超过4亿个读段,它们被组装成72,269个unigenes。基于相似性搜索,unigenes显示出与超过28,788种高粱蛋白质的显著相似性,包括一组在公共甘蔗EST数据库中不存在的5,272个unigenes;这些unigenes中的许多可能是推定的未描述的甘蔗基因。从这些单一基因中,鉴定了大量的分子标记,包括5,106个简单序列重复(SSR)和708,125个单核苷酸多态性(SNP)。这一新的数据集将成为该物种未来遗传和基因组研究的有用资源。
Sugarcane is an important crop and a major source of sugar and alcohol. In this study, we performed de novo assembly and transcriptome annotation for six sugarcane genotypes involved in bi-parental crosses. The de novo assembly of the sugarcane transcriptome was performed using short reads generated using the Illumina RNA-Seq platform. We produced more than 400 million reads, which were assembled into 72,269 unigenes. Based on a similarity search, the unigenes showed significant similarity to more than 28,788 sorghum proteins, including a set of 5,272 unigenes that are not present in the public sugarcane EST databases; many of these unigenes are likely putative undescribed sugarcane genes. From this collection of unigenes, a large number of molecular markers were identified, including 5,106 simple sequence repeats (SSRs) and 708,125 single-nucleotide polymorphisms (SNPs). This new dataset will be a useful resource for future genetic and genomic studies in this species.
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