ArticlePloS one2011
A plant-specific transcription factor IIB-related protein, pBRP2, is involved in endosperm growth control.
Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 17 citations in OpenAlex.
- Overexpression of the general transcription factor OsTFIIB5 alters rice development and seed quality.Plant cell reports · 2025Article
- Yield and yield component trait analysis with DArT genotyping for GWAS in soybean grown in drought conditions of Kazakhstan.Frontiers in plant science · 2025Article
- The general transcription factors (GTFs) of RNA polymerase II and their roles in plant development and stress responses.Critical reviews in biochemistry and molecular biology · 2024Review
- A critical role of a plant-specific TFIIB-related protein, BRP1, in salicylic acid-mediated immune response.Frontiers in plant science · 2024Article
- Expansion and Functional Diversification of TFIIB-Like Factors in Plants.International journal of molecular sciences · 2021Review
- Arabidopsis CBP1 Is a Novel Regulator of Transcription Initiation in Central Cell-Mediated Pollen Tube Guidance.The Plant cell · 2015Article
- The Arabidopsis transcription factor IIB-related protein BRP4 is involved in the regulation of mitotic cell-cycle progression during male gametogenesis.Journal of experimental botany · 2014Article
- Article
- The Arabidopsis general transcription factor TFIIB1 (AtTFIIB1) is required for pollen tube growth and endosperm development.Journal of experimental botany · 2013Article
- Transcriptomic analysis of rice (Oryza sativa) endosperm using the RNA-Seq technique.Plant molecular biology · 2013Article
- Yeast Rrn7 and human TAF1B are TFIIB-related RNA polymerase I general transcription factors.Science (New York, N.Y.) · 2011Article
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
General transcription factor IIB (TFIIB) and TFIIB-related factor (BRF), are conserved RNA polymerase II/III (RNAPII/III) selectivity factors that are involved in polymerase recruitment and transcription initiation in eukaryotes. Recent findings have shown that plants have evolved a third type of B-factor, plant-specific TFIIB-related protein 1 (pBRP1), which seems to be involved in RNAPI transcription. Here, we extend the repertoire of B-factors in plants by reporting the characterization of a novel TFIIB-related protein, plant-specific TFIIB-related protein 2 (pBRP2), which is found to date only in the Brassicacea family. Unlike other B-factors that are ubiquitously expressed, PBRP2 expression is restricted to reproductive organs and seeds as shown by RT-PCR, immunofluorescence labelling and GUS staining experiments. Interestingly, pbrp2 loss-of-function specifically affects the development of the syncytial endosperm, with both parental contributions required for wild-type development. pBRP2, is the first B-factor to exhibit cell-specific expression and regulation in eukaryotes, and might play a role in enforcing bi-parental reproduction in angiosperms.
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