Evidence map›Paper›PMID 16510790›Full record

ArticleGenetics2006

Mutations in the Saccharomyces cerevisiae RPB1 gene conferring hypersensitivity to 6-azauracil.

Francisco Malagon, Maria L Kireeva, Brenda K Shafer, Lucyna Lubkowska, Mikhail Kashlev, Jeffrey N Strathern

Open access · bronzeAbstract read
In one paragraph

Article in Genetics, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers.

0numbers the graph read from it
0cells of the map it votes in
74citing papers in PubMed
2.3field-weighted citation impact, top 12% 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

74 citing papers in PubMed, 105 citations in OpenAlex.

  1. Article
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14 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

6 authors at 2 institutions in 1 country.

Francisco MalagonGene Regulation and Chromosome Biology Laboratory, National Cancer Institute, National Institutes of Health, Frederick, Maryland 21702, USA.
Maria L Kireeva
Brenda K Shafer
Lucyna Lubkowska
Mikhail Kashlev
Jeffrey N Strathern
National Cancer Institute · USNational Institutes of Health · US

Funding

Intramural NIH HHS
6 · The paper itself

Abstract

RNA polymerase II (RNAPII) in eukaryotic cells drives transcription of most messenger RNAs. RNAPII core enzyme is composed of 12 polypeptides where Rpb1 is the largest subunit. To further understand the mechanisms of RNAPII transcription, we isolated and characterized novel point mutants of RPB1 that are sensitive to the nucleotide-depleting drug 6-azauracil (6AU). In this work we reisolated the rpo21-24/rpb1-E1230K allele, which reduces the interaction of RNAPII-TFIIS, and identified five new point mutations in RPB1 that cause hypersensitivity to 6AU. The novel mutants affect highly conserved residues of Rpb1 and have differential genetic and biochemical effects. Three of the mutations affect the "lid" and "rudder," two small loops suggested by structural studies to play a central role in the separation of the RNA-DNA hybrids. Most interestingly, two mutations affecting the catalytic center (rpb1-N488D) and the homology box G (rpb1-E1103G) have strong opposite effects on the intrinsic in vitro polymerization rate of RNAPII. Moreover, the synthetic interactions of these mutants with soh1, spt4, and dst1 suggest differential in vivo effects.

Indexed as

MutationAmino Acid SequenceAntimetabolitesCatalytic DomainDNAMolecular Sequence DataPeptidesPoint MutationRNARNA, MessengerRNA Polymerase IISaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsSequence Homology, Amino AcidUracilAntimetabolitesazauracilDNAPeptidesRNARNA, MessengerRNA Polymerase IIRPB1 protein, S cerevisiaeSaccharomyces cerevisiae ProteinsUracil

Identifiers

PMID16510790
PMCPMC1456368
OpenAlexW2126417186

What OpenQuestion holds

Textmetadata
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.