Evidence map›Paper›PMID 36913001›Full record

ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2023

R3-MYB repressor Mybr97 is a candidate gene associated with the Anthocyanin3 locus and enhanced anthocyanin accumulation in maize.

Michael N Paulsmeyer, John A Juvik

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Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
2.8field-weighted citation impact, top 10% 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

6 citing papers in PubMed, 16 citations in OpenAlex.

  1. Comparative transcriptomics of anthocyanin accumulation in the pericarp of pigmented purple corn.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026
    Article
  2. Review
  3. Article
  4. Unraveling the Molecular Basis of Color Variation inInternational journal of molecular sciences · 2024
    Article
  5. Article
  6. Anthocyanins in metabolites of purple corn.Frontiers in plant science · 2023
    Review
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

2 authors at 2 institutions in 1 country.

Michael N PaulsmeyerVegetable Crops Research Unit, USDA-ARS, Department of Horticulture, University of Wisconsin at Madison, 1575 Linden Dr., Madison, WI, 53706, USA.
John A JuvikDepartment of Crop Sciences, University of Illinois at Urbana-Champaign, 1201 W. Gregory Dr., Urbana, IL, 61801, USA. juvik@illinois.edu.ORCID http://orcid.org/0000-0003-0463-1291
University of Illinois Urbana-Champaign · USUniversity of Wisconsin–Madison · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

key messageAnthocyanin3 inhibits the anthocyanin and monolignol pathways in maize. Transposon-tagging, RNA-sequencing, and GST-pulldown assays determine Anthocyanin3 may be R3-MYB repressor gene Mybr97. Anthocyanins are colorful molecules receiving recent attention due to their numerous health benefits and applications as natural colorants and nutraceuticals. Purple corn is being investigated as a more economical source of anthocyanins. Anthocyanin3 (A3) is a known recessive intensifier of anthocyanin pigmentation in maize. In this study, anthocyanin content was elevated 100-fold in recessive a3 plants. Two approaches were used to discover candidates involved with the a3 intense purple plant phenotype. First, a large-scale transposon-tagging population was created with a Dissociation (Ds) insertion in the nearby Anthocyanin1 gene. A de novo a3-m1::Ds mutant was generated, and the transposon insertion was found to be located in the promoter of Mybr97, which has homology to R3-MYB repressor CAPRICE in Arabidopsis. Second, a bulked segregant RNA-sequencing population found expression differences between pools of green A3 plants and purple a3 plants. All characterized anthocyanin biosynthetic genes were upregulated in a3 plants along with several genes of the monolignol pathway. Mybr97 was highly downregulated in a3 plants, suggesting its role as a negative regulator of the anthocyanin pathway. Photosynthesis-related gene expression was reduced in a3 plants through an unknown mechanism. Numerous transcription factors and biosynthetic genes were also upregulated and need further investigation. Mybr97 may inhibit anthocyanin synthesis by associating with basic helix-loop helix transcription factors like Booster1. Overall, Mybr97 is the most likely candidate gene for the A3 locus. A3 has a profound effect on the maize plant and has many favorable implications for crop protection, human health, and natural colorant production.

Indexed as

AnthocyaninsZea maysGene Expression Regulation, PlantPlant ProteinsPlants, Genetically ModifiedRNATranscription FactorsAnthocyaninsPlant ProteinsRNATranscription Factors

Identifiers

PMID36913001
OpenAlexW4324017877

What OpenQuestion holds

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Read underepoch 390

Registered trials

None linked

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.