Hornworts are crucial to understand the phylogeny of early land plants. The emergence of ‘reverse’ U‐to‐C RNA editing accompanying the widespread C‐to‐U RNA editing in plant chloroplasts and mitochondria may be a molecular synapomorphy of a hornwort–tracheophyte clade. C‐to‐U RNA editing is well understood after identification of many editing factors in models like We report on the assembly and analyses of the Both organelles in We observe significant variants of the ‘classic’ DYW domain, in the meantime confirmed as the cytidine deaminase for C‐to‐U editing, and discuss the first attractive candidates for reverse editing factors given their excellent matches to U‐to‐C editing targets according to the PPR‐RNA binding code.
In plants, cytidine-to-uridine (C-to-U) editing is a crucial step in processing mitochondria- and chloroplast-encoded transcripts. This editing requires nuclear-encoded proteins including members of the pentatricopeptide (PPR) family, especially PLS-type proteins carrying the DYW domain.
- Award ID(s):
- 2210127
- PAR ID:
- 10495592
- Publisher / Repository:
- Springer Science + Business Media
- Date Published:
- Journal Name:
- Plant Molecular Biology
- Volume:
- 114
- Issue:
- 2
- ISSN:
- 0167-4412
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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