ArticlePlant molecular biology2024
PAP1 and PAP7 are required for association of plastid-encoded RNA polymerase with DNA.
Article in Plant molecular biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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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.
The trial behind it
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Who cites it
1 citing paper in PubMed.
- Turning over a green leaf: integrating light signals toward chloroplast establishment.Plant physiology · 2026Review
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Authors and funding
4 authors.
Funding
Abstract
Plastid-encoded RNA polymerase (PEP) is a bacterial-type multisubunit RNA polymerase responsible for the majority of transcription in chloroplasts. PEP consists of four core subunits, which are orthologs of their cyanobacterial counterparts. In Arabidopsis thaliana, PEP is expected to interact with 14 PEP-associated proteins (PAPs), which serve as peripheral subunits of the RNA polymerase. The exact contributions of PAPs to PEP function are still poorly understood. We used ptChIP-seq to show that PAP1 (also known as pTAC3), a peripheral subunit of PEP, binds to the same genomic loci as RpoB, a core subunit of PEP. The pap1 mutant shows a complete loss of RpoB binding to DNA throughout the genome, indicating that PAP1 is necessary for RpoB binding to DNA. A similar loss of RpoB binding to DNA is observed in a mutant defective in PAP7 (also known as pTAC14), another peripheral PEP subunit. We propose that PAPs are required for the recruitment of core PEP subunits to DNA.
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Registered trials
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.