Evidence map›Paper›PMID 35351884›Full record

ArticleNature communications2022

Rho-dependent transcription termination proceeds via three routes.

Eunho Song, Heesoo Uhm, Palinda Ruvan Munasingha, Seungha Hwang, Yeon-Soo Seo, Jin Young Kang, Changwon Kang, Sungchul Hohng

Open access · goldAbstract read
In one paragraph

Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
7.1field-weighted citation impact, top 2% 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

27 citing papers in PubMed, 39 citations in OpenAlex.

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  17. Co-transcriptional gene regulation in eukaryotes and prokaryotes.Nature reviews. Molecular cell biology · 2024
    Review
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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

8 authors at 2 institutions in 3 countries.

Eunho SongDepartment of Physics and Astronomy, and Institute of Applied Physics, Seoul National University, Seoul, 08826, Republic of Korea.ORCID http://orcid.org/0000-0003-3245-1298
Heesoo UhmDepartment of Physics and Astronomy, and Institute of Applied Physics, Seoul National University, Seoul, 08826, Republic of Korea.ORCID http://orcid.org/0000-0001-8993-3955
Palinda Ruvan MunasinghaDepartment of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea.ORCID http://orcid.org/0000-0002-1477-5494
Seungha HwangDepartment of Chemistry, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea.ORCID http://orcid.org/0000-0002-0028-0167
Yeon-Soo SeoDepartment of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea.
Jin Young KangDepartment of Chemistry, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea. jykang59@kaist.ac.kr.ORCID http://orcid.org/0000-0002-8493-7890
Changwon KangDepartment of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea. ckang@kaist.ac.kr.ORCID http://orcid.org/0000-0002-0867-6385
Sungchul HohngDepartment of Physics and Astronomy, and Institute of Applied Physics, Seoul National University, Seoul, 08826, Republic of Korea. shohng@snu.ac.kr.ORCID http://orcid.org/0000-0002-7131-2138
Korea Advanced Institute of Science and Technology · KRSeoul National University · KR

Funding

National Research Foundation of Korea (NRF) 2018R1A2B2004602National Research Foundation of Korea (NRF) 2019M3E5D6066058National Research Foundation of Korea (NRF) 2019R1A2C2005209
6 · The paper itself

Abstract

Rho is a general transcription termination factor in bacteria, but many aspects of its mechanism of action are unclear. Diverse models have been proposed for the initial interaction between the RNA polymerase (RNAP) and Rho (catch-up and stand-by pre-terminational models); for the terminational release of the RNA transcript (RNA shearing, RNAP hyper-translocation or displacing, and allosteric models); and for the post-terminational outcome (whether the RNAP dissociates or remains bound to the DNA). Here, we use single-molecule fluorescence assays to study those three steps in transcription termination mediated by E. coli Rho. We find that different mechanisms previously proposed for each step co-exist, but apparently occur on various timescales and tend to lead to specific outcomes. Our results indicate that three kinetically distinct routes take place: (1) the catch-up mode leads first to RNA shearing for RNAP recycling on DNA, and (2) later to RNAP displacement for decomposition of the transcriptional complex; (3) the last termination usually follows the stand-by mode with displacing for decomposing. This three-route model would help reconcile current controversies on the mechanisms.

Indexed as

Escherichia coliEscherichia coli ProteinsDNADNA-Directed RNA PolymerasesRNATranscription, GeneticDNADNA-Directed RNA PolymerasesEscherichia coli ProteinsRNA

Identifiers

PMID35351884
PMCPMC8964686
OpenAlexW4221068975

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.