Abundant and selective RNA-editing events in the medicinal mushroom ganoderma lucidum

Yingjie Zhu, Hongmei Luo, Xin Zhang, Jingyuan Song, Chao Sun, Aijia Ji, Jiang Xu, Shilin Chen

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

RNA editing is a widespread, post-transcriptional molecular phenomenon that diversifies hereditary information across various organisms. However, little is known about genome-scale RNA editing in fungi. In this study, we screened for fungal RNA editing sites at the genomic level in Ganoderma lucidum, a valuable medicinal fungus. On the basis of our pipeline that predicted the editing sites from genomic and transcriptomic data, a total of 8906 possible RNA-editing sites were identified within the G. lucidum genome, including the exon and intron sequences and the 59-/39-untranslated regions of 2991 genes and the intergenic regions. The major editing types included C-to-U, A-to-G, G-to-A, and U-to-C conversions. Four putative RNA-editing enzymes were identified, including three adenosine deaminases acting on transfer RNA and a deoxycytidylate deaminase. The genes containing RNA-editing sites were functionally classified by the Kyoto Encyclopedia of Genes and Genomes enrichment and gene ontology analysis. The key functional groupings enriched for RNA-editing sites included laccase genes involved in lignin degradation, key enzymes involved in triterpenoid biosynthesis, and transcription factors. A total of 97 putative editing sites were randomly selected and validated by using PCR and Sanger sequencing. We presented an accurate and large-scale identification of RNA-editing events in G. lucidum, providing global and quantitative cataloging of RNA editing in the fungal genome. This study will shed light on the role of transcriptional plasticity in the growth and development of G. lucidum, as well as its adaptation to the environment and the regulation of valuable secondary metabolite pathways.

Original languageEnglish (US)
Pages (from-to)1047-1057
Number of pages11
JournalGenetics
Volume196
Issue number4
DOIs
StatePublished - Jan 1 2014
Externally publishedYes

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Reishi
RNA Editing
Agaricales
Genome
Fungal RNA
Genes
DCMP Deaminase
Fungi
Fungal Genome
Cataloging
Encyclopedias
Untranslated Regions
Laccase
Gene Ontology
Intergenic DNA
Adenosine Deaminase
Lignin
Enzymes
Transfer RNA
Growth and Development

ASJC Scopus subject areas

  • Genetics

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Abundant and selective RNA-editing events in the medicinal mushroom ganoderma lucidum. / Zhu, Yingjie; Luo, Hongmei; Zhang, Xin; Song, Jingyuan; Sun, Chao; Ji, Aijia; Xu, Jiang; Chen, Shilin.

In: Genetics, Vol. 196, No. 4, 01.01.2014, p. 1047-1057.

Research output: Contribution to journalArticle

Zhu, Y, Luo, H, Zhang, X, Song, J, Sun, C, Ji, A, Xu, J & Chen, S 2014, 'Abundant and selective RNA-editing events in the medicinal mushroom ganoderma lucidum', Genetics, vol. 196, no. 4, pp. 1047-1057. https://doi.org/10.1534/genetics.114.161414
Zhu, Yingjie ; Luo, Hongmei ; Zhang, Xin ; Song, Jingyuan ; Sun, Chao ; Ji, Aijia ; Xu, Jiang ; Chen, Shilin. / Abundant and selective RNA-editing events in the medicinal mushroom ganoderma lucidum. In: Genetics. 2014 ; Vol. 196, No. 4. pp. 1047-1057.
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