De novo transcriptome sequencing of Agropyron cristatum to identify available gene resources for the enhancement of wheat

文献类型： 外文期刊

第一作者： Zhang, Jinpeng

作者： Zhang, Jinpeng;Liu, Weihua;Han, Haiming;Song, Liqiang;Bai, Li;Gao, Zhihui;Zhang, Yan;Yang, Xinming;Li, Xiuquan;Gao, Ainong;Li, Lihui

作者机构：

关键词： Transcriptomes;P genome;Disease resistance;Genetic diversity;Wild relative;Agropyron cristatum

期刊名称：GENOMICS （ 影响因子：5.736； 五年影响因子：4.939 ）

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收录情况： SCI

摘要： Agropyron cristatum is a wild grass of the tribe Triticeae that is widely grown in harsh environments. As a wild relative of wheat, A. cristatum carries many resistance genes that could be used to broaden the genetic diversity of wheat Here, we report the transcriptome sequencing of the flag leaf and young spike tissues of a representative tetraploid A. cristatum. More than 90 million reads from the two tissues were assembled into 73,664 unigenes. All unigenes were functionally annotated against the KEGG, COG, and Gene Ontology databases and predicted long non-coding RNAs. Pfam prediction demonstrates that A. cristatum carries an abundance of stress resistance genes. The extent of specific genes and rare alleles make A. cristatum a vital genetic reservoir for the improvement of wheat. Altogether, the available gene resources in A. cristatum facilitate efforts to harness the genetic diversity of wild relatives to enhance wheat. (C) 2015 Elsevier Inc. All rights reserved.

分类号： R394

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