Comparative profiling of microRNAs in the winged and wingless English grain aphid, Sitobion avenae (F.) (Homoptera: Aphididae)

Xiangrui Li, Fangmei Zhang, Brad Coates, Yunhui Zhang, Xuguo Zhou, Dengfa Cheng

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21 Scopus citations


MicroRNAs (miRNAs) are short single-stranded non-coding RNAs that regulate gene expression, particularly during development. In this study, 345 miRNAs were identified from the English green aphid, Sitobion avenae (F.), of which 168 were conserved and 177 were S. avenae-specific. Quantitative comparison of miRNA expression levels indicated that 16 and 12 miRNAs were significantly up-regulated in winged and wingless S. avenae small RNA libraries, respectively. Differential expression of these miRNAs was confirmed by real-time quantitative RT-PCR validation. The putative transcript targets for these candidate miRNAs were predicted based on sequences from a model species Drosophila melanogaster and four aphid species Acyrthosiphon pisum, Myzus persicae, Toxoptera citricida, and Aphis gosspii. Gene Ontology and KEGG pathway analyses shed light on the potential functions of these miRNAs in the regulation of genes involved in the metabolism, development and wing polyphenism of S. avenae.

Original languageEnglish
Article number35668
JournalScientific Reports
StatePublished - Oct 20 2016

Bibliographical note

Funding Information:
This research was supported by the National Natural Science Foundation of China (Award number: 31301659), National "Twelfth Five-Year" Plan for Science and Technology Support Development Program of China (Award number: 2012BAD19B04), China Agriculture Research System (Award number: CARS-3). The information reported in this paper (No. 16-08-098) is part of a project of the Kentucky Agricultural Experiment Station and is published with the approval of the Director. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Publisher Copyright:
© 2016 The Author(s).

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