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Convergent Evolution of Fern-Specific Mitochondrial Group II Intron atp1i361g2 and Its Ancient Source Paralogue rps3i249g2 and Independent Losses of Intron and RNA Editing among Pteridaceae

Autor: Nils Knie, Volker Knoop, Simon Maria Zumkeller

Publikováno v: Genome Biology and Evolution

Mitochondrial intron patterns are highly divergent between the major land plant clades. An intron in the atp1 gene, atp1i361g2, is an example for a group II intron specific to monilophytes (ferns). Here, we report that atp1i361g2 is lost independentl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67a0191e4534b06d41a6fdd52decf44a
https://doi.org/10.1093/gbe/evw173

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Monilophyte mitochondrial rps1 genes carry a unique group II intron that likely originated from an ancient paralog in rpl2

Autor: Nils Knie, Felix Grewe, Volker Knoop

Publikováno v: RNA. 22:1338-1348

Intron patterns in plant mitochondrial genomes differ significantly between the major land plant clades. We here report on a new, clade-specific group II intron in the rps1 gene of monilophytes (ferns). This intron, rps1i25g2, is strikingly similar t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18848956202145da1e4496e6e6a60f8a
https://doi.org/10.1261/rna.056572.116

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Horizontal Gene Transfer of Chlamydial-Like tRNA Genes into Early Vascular Plant Mitochondria

Autor: Volker Knoop, Monika Polsakiewicz, Nils Knie

Publikováno v: Molecular Biology and Evolution. 32:629-634

Mitochondrial genomes of lycophytes are surprisingly diverse, including strikingly different transfer RNA (tRNA) gene complements: No mitochondrial tRNA genes are present in the spikemoss Selaginella moellendorffii ,w hereas 26 tRNAs are encoded in t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b87977886f9e866c8361402239a08d9c
https://doi.org/10.1093/molbev/msu324

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Reverse U-to-C editing exceeds C-to-U RNA editing in some ferns - a monilophyte-wide comparison of chloroplast and mitochondrial RNA editing suggests independent evolution of the two processes in both organelles

Autor: Simon Fischer, Felix Grewe, Nils Knie, Volker Knoop

Publikováno v: BMC Evolutionary Biology

Background RNA editing by C-to-U conversions is nearly omnipresent in land plant chloroplasts and mitochondria, where it mainly serves to reconstitute conserved codon identities in the organelle mRNAs. Reverse U-to-C RNA editing in contrast appears t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9ef08f7aab2fd2e5025df2141d65def
https://pubmed.ncbi.nlm.nih.gov/27329857

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Horsetails are the sister group to all other monilophytes and Marattiales are sister to leptosporangiate ferns

Autor: Felix Grewe, Nils Knie, Simon Fischer, Volker Knoop, Monika Polsakiewicz

Publikováno v: Molecular phylogenetics and evolution. 90

The "Monilophyte" clade comprising ferns, horsetails and whisk ferns receives unequivocal support from molecular data as the sister clade to seed plants. However, the branching order of its earliest emerging lineages, the Equisetales (horsetails), th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80451c089e39018e4a15b786e8121867
https://pubmed.ncbi.nlm.nih.gov/25999055

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Chloroplast RNA editing going extreme: more than 3400 events of C-to-U editing in the chloroplast transcriptome of the lycophyte Selaginella uncinata

Autor: Nils Knie, Sumika Tsuji-Tsukinoki, Kazuo Yamaguchi, Bastian Oldenkott, Volker Knoop

RNA editing in chloroplasts and mitochondria of land plants differs significantly in abundance. For example, some 200–500 sites of cytidine-to-uridine RNA editing exist in flowering plant mitochondria as opposed to only 30–50 such C-to-U editing

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5415dcc02873a71f1ef0c7e5710742cc
https://europepmc.org/articles/PMC4174432/

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