Evidence map›Paper›PMID 25441621›Full record

ArticleThe New phytologist2015

Homologous recombination and retention of a single form of most genes shape the highly chimeric mitochondrial genome of a cybrid plant.

M Virginia Sanchez-Puerta, Mikhajlo K Zubko, Jeffrey D Palmer

Open access · bronzeAbstract read
In one paragraph

Article in The New phytologist, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed, 1 pooled it
1.7field-weighted citation impact, top 16% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

34 citing papers in PubMed, 1 synthesis or guideline pooled it, 77 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. The complete mitochondrial genome ofMitochondrial DNA. Part B, Resources · 2026
    Article
  5. Article
  6. Article
  7. Mechanisms and genomic implications of break-induced replication.Nature structural & molecular biology · 2025
    Review
  8. Mitochondrial Genome Analysis ofEcology and evolution · 2025
    Article
  9. Article
  10. OptimizingPlants (Basel, Switzerland) · 2024
    Review
  11. Article
  12. Article
  13. Review
  14. Complete mitochondrial genome ofFrontiers in plant science · 2023
    Article
  15. Review
  16. Article
  17. Article
  18. Article
  19. Sequence of the Mitochondrial Genome ofFrontiers in plant science · 2021
    Article
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

3 authors at 3 institutions in 3 countries.

M Virginia Sanchez-PuertaFacultad de Ciencias Exactas y Naturales and Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo & IBAM-CONICET, Chacras de Coria, 5500, Mendoza, Argentina.
Mikhajlo K ZubkoFaculty of Science and Engineering, Manchester Metropolitan University, Manchester, M1 5GD, UK.
Jeffrey D PalmerDepartment of Biology, Indiana University, Bloomington, IN, 47405, USA.
Indiana University Bloomington · USManchester Metropolitan University · GBUniversidad Nacional de Cuyo · AR

Funding

Genomic studies of chimeric mitochondria in cybrids from SolanaceaeR03TW008353 · FIC · TRUSTEES OF INDIANA UNIVERSITY · PI PALMER, JEFFREY D · 2009 to 2011
$166k
FDA HHS FIRCA-BB-R03-TW008353-01FIC NIH HHS R03 TW008353
6 · The paper itself

Abstract

The structure and evolution of angiosperm mitochondrial genomes are driven by extremely high rates of recombination and rearrangement. An excellent experimental system for studying these events is offered by cybrid plants, in which parental mitochondria usually fuse and their genomes recombine. Little is known about the extent, nature and consequences of mitochondrial recombination in these plants. We conducted the first study in which the organellar genomes of a cybrid - between Nicotiana tabacum and Hyoscyamus niger - were sequenced and compared to those of its parents. This cybrid mitochondrial genome is highly recombinant, reflecting at least 30 crossovers and five gene conversions between its parental genomes. It is also surprisingly large (41% and 64% larger than the parental genomes), yet contains single alleles for 90% of mitochondrial genes. Recombination produced a remarkably chimeric cybrid mitochondrial genome and occurred entirely via homologous mechanisms involving the double-strand break repair and/or break-induced replication pathways. Retention of a single form of most genes could be advantageous to minimize intracellular incompatibilities and/or reflect neutral forces that preferentially eliminate duplicated regions. We discuss the relevance of these findings to the surprisingly frequent occurrence of horizontal gene - and genome - transfer in angiosperm mitochondrial DNAs.

Indexed as

Homologous RecombinationBase SequenceChimeraDNA, MitochondrialGenome, MitochondrialGenome, PlantHyoscyamusMagnoliopsidaMitochondriaMolecular Sequence DataNicotianaSequence Analysis, DNASolanaceaeDNA, Mitochondrialchimericcybridhomologous recombinationmitochondriamtDNASolanaceae

Identifiers

PMID25441621
PMCPMC4342287
OpenAlexW2101326578

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.