Mengna Zhang, Yi Hong, Lufei Li, Juan Zhu, Chao Lv, Baojian Guo, Feifei Wang, Rugen Xu
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引用次数: 0
Abstract
Barley (Hordeum vulgare L.) is the fourth most productive cereal crop in the world, but barley sown in winter is often infected by the barley yellow mosaic virus (BaYMV) and the barley mild mosaic virus (BaMMV), which cause mosaic, stunting, discoloration and yield reduction. Plant microRNA (miRNA) plays a major part in defense against viral infection. In this study, total sRNAs from the leaves of three barley cultivars infected with a soil-borne virus, BaYMV or BaMMV, were analyzed by RNA sequencing. A total of 35 known miRNAs and 70 novel miRNAs were identified, of which hvu-miR397a and huv-miR156a were most differentially expressed. A total of 18 miRNAs were found to target 259 genes. Enrichment analysis revealed that targeted genes were associated with chloroplast functions. Overall, the results provided a whole landscape of small RNAs and mRNAs in response to BaYMV infection and can be referred to in plant breeding against virus infection.
期刊介绍：
Plant Growth Regulation is an international journal publishing original articles on all aspects of plant growth and development. We welcome manuscripts reporting question-based research using hormonal, physiological, environmental, genetical, biophysical, developmental or molecular approaches to the study of plant growth regulation.
Emphasis is placed on papers presenting the results of original research. Occasional reviews on important topics will also be welcome. All contributions must be in English.
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