Evidence map›Paper›PMID 32291329›Full record

ArticlePlant physiology2020

Insights into the Diversification and Evolution of R2R3-MYB Transcription Factors in Plants.

Chen-Kun Jiang, Guang-Yuan Rao

Open access · hybridAbstract read
In one paragraph

Article in Plant physiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 108 papers.

0numbers the graph read from it
0cells of the map it votes in
108citing papers in PubMed
12.8field-weighted citation impact, top 1% 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

108 citing papers in PubMed, 209 citations in OpenAlex.

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48 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

2 authors at 1 institution in 1 country.

Chen-Kun JiangSchool of Life Sciences, Peking University, Beijing 100871, China.ORCID 0000-0002-1415-1606
Guang-Yuan RaoSchool of Life Sciences, Peking University, Beijing 100871, China rao@pku.edu.cn.ORCID 0000-0003-4163-0386
Peking University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

As one of the largest families of transcription factors (TFs) in plants, R2R3-MYB proteins play crucial roles in regulating a series of plant-specific biological processes. Although the diversity of plant R2R3-MYB TFs has been studied previously, the processes and mechanisms underlying the expansion of these proteins remain unclear. Here, we performed evolutionary analyses of plant R2R3-MYB TFs with dense coverage of streptophyte algae and embryophytes. Our analyses revealed that ancestral land plants exhibited 10 subfamilies of R2R3-MYB proteins, among which orthologs of seven subfamilies were present in chlorophytes and charophycean algae. We found that asymmetric gene duplication events in different subfamilies account for the expansion of R2R3-MYB proteins in embryophytes. We further discovered that the largest subfamily of R2R3-MYBs in land plants, subfamily VIII, emerged in the common ancestor of Zygnematophyceae and embryophytes. During plant terrestrialization, six duplication events gave rise to seven clades of subfamily VIII. Subsequently, this TF subfamily showed a tendency for expansion in bryophytes, lycophytes, and ferns and extensively diversified in ancestral gymnosperms and angiosperms in clades VIII-A-1, VIII-D, and VIII-E. In contrast to subfamily VIII, other subfamilies of R2R3-MYB TFs have remained less expanded across embryophytes. The findings regarding phylogenetic analyses, auxiliary motifs, and DNA-binding specificities provide insight into the evolutionary history of plant R2R3-MYB TFs and shed light on the mechanisms underlying the extensive expansion and subsequent sub- and neofunctionalization of these proteins.

Indexed as

Arabidopsis ProteinsEvolution, MolecularGene Expression Regulation, PlantGenome, PlantPhylogenyPlant ProteinsTranscription FactorsArabidopsis ProteinsBOTRYTIS SUSCEPTIBLE1 protein, ArabidopsisPlant ProteinsTranscription Factors

Identifiers

PMID32291329
PMCPMC7271803
OpenAlexW3015363306

What OpenQuestion holds

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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.