ArticleMolecular microbiology2009
Direct activator/co-activator interaction is essential for bacteriophage T4 middle gene expression.
Article in Molecular microbiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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.
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.
Who cites it
8 citing papers in PubMed, 8 citations in OpenAlex.
- Transcriptional reprogramming by bacteriophage T4: turning the host transcriptional machinery to the dark side.EcoSal Plus · 2025Review
- Optimization of a bacterial three-hybrid assay through in vivo titration of an RNA-DNA adapter protein.RNA (New York, N.Y.) · 2021Article
- Structural basis of σ appropriation.Nucleic acids research · 2019Article
- Environmental T4-Family Bacteriophages Evolve to Escape Abortive Infection via Multiple Routes in a Bacterial Host Employing "Altruistic Suicide" through Type III Toxin-Antitoxin Systems.Frontiers in microbiology · 2017Article
- Visualizing the phage T4 activated transcription complex of DNA and E. coli RNA polymerase.Nucleic acids research · 2016Article
- Bacteriophage T4 MotA activator and the β-flap tip of RNA polymerase target the same set of σ70 carboxyl-terminal residues.The Journal of biological chemistry · 2011Article
- A mutation within the β subunit of Escherichia coli RNA polymerase impairs transcription from bacteriophage T4 middle promoters.Journal of bacteriology · 2010Article
- Transcriptional control in the prereplicative phase of T4 development.Virology journal · 2010Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
The bacteriophage T4 AsiA protein is a bifunctional regulator that inhibits transcription from the major class of bacterial promoters and also serves as an essential co-activator of transcription from T4 middle promoters. AsiA binds the primary s factor in Escherichia coli, sigma(70), and modifies the promoter recognition properties of the sigma(70)-containing RNA polymerase(RNAP) holoenzyme. In its role as co-activator, AsiA directs RNAP to T4 middle promoters in the presence of the T4-encoded activator MotA. According to the current model for T4 middle promoter activation, AsiA plays an indirect role in stabilizing the activation complex by facilitating interaction between DNA-bound MotA and sigma(70). Here we show that AsiA also plays a direct role in T4 middle promoter activation by contacting the MotA activation domain. Furthermore,we show that interaction between AsiA and the beta-flap domain of RNAP is important for co-activation. Based on our findings, we propose a revised model for T4 middle promoter activation, with AsiA organizing the activation complex via three distinct protein-protein interactions.
Indexed as
Identifiers
What OpenQuestion holds
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.