Evidence map›Paper›PMID 23758703›Full record

ArticleGenome biology2013

Conservation and divergence of transcriptomic and epigenomic variation in maize hybrids.

Guangming He, Beibei Chen, Xuncheng Wang, Xueyong Li, Jigang Li, Hang He, Mei Yang, Lu Lu, Yijun Qi, Xiping Wang and 1 more

Open access · goldAbstract read
In one paragraph

Article in Genome biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.

0numbers the graph read from it
0cells of the map it votes in
66citing papers in PubMed
7.4field-weighted citation impact, top 3% 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

66 citing papers in PubMed, 122 citations in OpenAlex.

  1. Article
  2. Chromatin Immunoprecipitation in Crops.Methods in molecular biology (Clifton, N.J.) · 2026
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  4. Epigenetics in the modern era of crop improvements.Science China. Life sciences · 2025
    Review
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  8. Review
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  10. Article
  11. Epigenetic Changes Occurring in Plant Inbreeding.International journal of molecular sciences · 2023
    Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article

6 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 7 institutions in 2 countries.

Guangming He
Beibei Chen
Xuncheng Wang
Xueyong Li
Jigang Li
Hang He
Mei Yang
Lu Lu
Yijun Qi
Xiping Wang
Xing Wang Deng
Peking University · CNYale University · USBeijing Normal University · CNCenter for Life Sciences · CNInstitute of Crop Sciences · CNNational Institute of Biological Sciences, Beijing · CNTsinghua University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundRecent genome-wide studies suggested that in addition to genetic variations, epigenetic variations may also be associated with differential gene expression and growth vigor in plant hybrids. Maize is an ideal model system for the study of epigenetic variations in hybrids given the significant heterotic performance, the well-known complexity of the genome, and the rich history in epigenetic studies. However, integrated comparative transcriptomic and epigenomic analyses in different organs of maize hybrids remain largely unexplored.

resultsHere, we generated integrated maps of transcriptomes and epigenomes of shoots and roots of two maize inbred lines and their reciprocal hybrids, and globally surveyed the epigenetic variations and their relationships with transcriptional divergence between different organs and genotypes. We observed that whereas histone modifications vary both between organs and between genotypes, DNA methylation patterns are more distinguishable between genotypes than between organs. Histone modifications were associated with transcriptomic divergence between organs and between hybrids and parents. Further, we show that genes up-regulated in both shoots and roots of hybrids were significantly enriched in the nucleosome assembly pathway. Interestingly, 22- and 24-nt siRNAs were shown to be derived from distinct transposable elements, and for different transposable elements in both shoots and roots, the differences in siRNA activity between hybrids and patents were primarily driven by different siRNA species.

conclusionsThese results suggest that despite variations in specific genes or genomic loci, similar mechanisms may account for the genome-wide epigenetic regulation of gene activity and transposon stability in different organs of maize hybrids.

Indexed as

ChimeraEpigenesis, GeneticGenome, PlantTranscriptomeBase SequenceConserved SequenceCrosses, GeneticDNA MethylationDNA Transposable ElementsEpigenomicsGene Expression Regulation, PlantGenetic VariationGenotypeHistonesMolecular Sequence DataNucleosomesDNA Transposable ElementsHistonesNucleosomesRNA, Small Interfering

Identifiers

PMID23758703
PMCPMC3707063
OpenAlexW1970240652

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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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.