Genome-wide Identification and characterization of circular RNAs in the rice blast fungus Magnaporthe oryzae

Numerous circRNAs have been identified in different organisms, but little attention has been addressed on fungal circRNAs. Here, we identified a total of 8,848 circRNAs from the model plant pathogenic fungus M. oryzae . 5,840 circRNAs were identified from mycelium, 2,721 circRNAs from conidium, whil...

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Bibliographic Details
Published in:Scientific reports 2018-04, Vol.8 (1), p.6757-8, Article 6757
Main Authors: Yuan, Jialan, Wang, Zhao, Xing, Junjie, Yang, Qingyong, Chen, Xiao-Lin
Format: Article
Language:English
Subjects:
38/91
631/326/193/2538
631/326/193/2542
Bioinformatics
Classification
Fungi
Genes
Genomes
Humanities and Social Sciences
Laboratories
Metabolism
multidisciplinary
Organisms
Rice
Rice blast
Science
Science (multidisciplinary)
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Summary:Numerous circRNAs have been identified in different organisms, but little attention has been addressed on fungal circRNAs. Here, we identified a total of 8,848 circRNAs from the model plant pathogenic fungus M. oryzae . 5,840 circRNAs were identified from mycelium, 2,721 circRNAs from conidium, while only 287 circRNAs from both tissues. This indicated that most of the M. oryzae circRNAs were specifically expressed in mycelium or in conidium. Parental genes of circRNAs in mycelium were enriched in basic metabolisms required for normal growth, while in conidium, they were enriched in biogenesis of storages potentially used for infection. M. oryzae circRNAs could also bind to miRNAs, suggesting they may also function as sponges in fungi. This study suggested M. oryzae circRNAs could play important roles in regulation of growth and development.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-018-25242-w