The Amount of RNA Editing Sites in Liverwort Organellar Genes Is Correlated with GC Content and Nuclear PPR Protein Diversity

Overview

Journal Genome Biol Evol

Publisher Oxford University Press

Specialties Biology
Genetics
Molecular Biology

Date 2019 Oct 26

PMID 31651960

Citations 16

Authors

Shanshan Dong

Chaoxian Zhao

Shouzhou Zhang

Hong Wu

Weixue Mu

Tong Wei

Na Li

Tao Wan

Huan Liu

Jie Cui

Ruiliang Zhu

Bernard Goffinet

Yang Liu

Affiliations

Soon will be listed here.

Abstract

RNA editing occurs in the organellar mRNAs of all land plants but the marchantioid liverworts, making liverworts a perfect group for studying the evolution of RNA editing. Here, we profiled the RNA editing of 42 exemplars spanning the ordinal phylogenetic diversity of liverworts, and screened for the nuclear-encoded pentatricopeptide repeat (PPR) proteins in the transcriptome assemblies of these taxa. We identified 7,428 RNA editing sites in 128 organellar genes from 31 non-marchantioid liverwort species, and characterized 25,059 PPR protein sequences. The abundance of organellar RNA editing sites varies greatly among liverwort lineages, genes, and codon positions, and shows strong positive correlations with the GC content of protein-coding genes, and the diversity of the PLS class of nuclear PPR proteins.

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