ArticleThe Plant journal : for cell and molecular biology2022
Effect of aneuploidy of a non-essential chromosome on gene expression in maize.
Article in The Plant journal : for cell and molecular biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 19 citations in OpenAlex.
- Article
- The maize B chromosome shapes the transcriptome throughout the entire plant life cycle.Journal of experimental botany · 2025Article
- Identification of cDNA-AFLP fragments associated with the B chromosome from different developmental stages of maize anthers.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2025Article
- Genome assembly of the maize B chromosome provides insight into its epigenetic characteristics and effects on the host genome.Genome biology · 2025Article
- Copy number variation analysis identifies MIR9-3 and MIR1299 as novel miRNA candidate genes for CAKUT.Pediatric nephrology (Berlin, Germany) · 2024Article
- Chromosome-level genome assemblies reveal genome evolution of an invasive plant Phragmites australis.Communications biology · 2024Article
- Identification and Genome-Wide Gene Expression Perturbation of a Trisomy in Chinese Kale (Plants (Basel, Switzerland) · 2023Article
- Scoring the number of B chromosomes in Zea mays L. using droplet digital PCR assay.Plant methods · 2023Article
- Genomic imbalance modulates transposable element expression in maize.Plant communications · 2023Article
- Rye B chromosomes differently influence the expression of A chromosome-encoded genes depending on the host species.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2022Article
- Dosage-sensitive miRNAs trigger modulation of gene expression during genomic imbalance in maize.Nature communications · 2022Article
- Comprehending the dynamism of B chromosomes in their journey towards becoming unselfish.Frontiers in cell and developmental biology · 2022Review
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The non-essential supernumerary maize (Zea mays) B chromosome (B) has recently been shown to contain active genes and to be capable of impacting gene expression of the A chromosomes. However, the effect of the B chromosome on gene expression is still unclear. In addition, it is unknown whether the accumulation of the B chromosome has a cumulative effect on gene expression. To examine these questions, the global expression of genes, microRNAs (miRNAs), and transposable elements (TEs) of leaf tissue of maize W22 plants with 0-7 copies of the B chromosome was studied. All experimental genotypes with B chromosomes displayed a trend of upregulated gene expression for a subset of A-located genes compared to the control. Over 3000 A-located genes are significantly differentially expressed in all experimental genotypes with the B chromosome relative to the control. Modulations of these genes are largely determined by the presence rather than the copy number of the B chromosome. By contrast, the expression of most B-located genes is positively correlated with B copy number, showing a proportional gene dosage effect. The B chromosome also causes increased expression of A-located miRNAs. Differentially expressed miRNAs potentially regulate their targets in a cascade of effects. Furthermore, the varied copy number of the B chromosome leads to the differential expression of A-located and B-located TEs. The findings provide novel insights into the function and properties of the B chromosome.
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