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Bioinformatics Analysis of tRNA-derived Fragments in Rice Male Gametophyte Development

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  • 1Key Laboratory of Bio-Resources and Eco-Environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610064, China
    2Chengdu WuTang Information Technology Co Ltd, Chengdu 610041, China

† These authors contributed equally to this paper

Received date: 2017-09-06

  Accepted date: 2017-11-16

  Online published: 2018-11-29

Abstract

tRNA derived fragments (termed tRFs) are functional RNAs produced by non-random cleavage of tRNAs. The knowledge of tRNAs’ production and function is being studied but is unknown in the rice male gametophyte. Using high-throughput sequencing with 3 stages in the rice male gametophyte development, we found tRFs with a large range of length. Next, we determined four sequence-specific and one non-sequence-specific ribonuclease cleaving sites. We also summarized the distribution profile of tRFs in the three stages. Finally, a NCBI blast search was carried out to predict the tRF target gene, revealing that the major class of targets was transposable elements. This results provid new clues for rice male gametophyte research.

Cite this article

Liu Wei, Tong Yong’ao, Bai Jie . Bioinformatics Analysis of tRNA-derived Fragments in Rice Male Gametophyte Development[J]. Chinese Bulletin of Botany, 2018 , 53(5) : 625 -633 . DOI: 10.11983/CBB17169

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