Evidence map›Paper›PMID 35312677›Full record

ArticlePLoS biology2022

FtsZ filament structures in different nucleotide states reveal the mechanism of assembly dynamics.

Federico M Ruiz, Sonia Huecas, Alicia Santos-Aledo, Elena A Prim, José M Andreu, Carlos Fernández-Tornero

Abstract read
In one paragraph

Article in PLoS biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
–field-weighted citation impact
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

13 citing papers in PubMed.

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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

6 authors.

Federico M RuizCentro de Investigaciones Biológicas Margarita Salas CSIC, Madrid, Spain.
Sonia HuecasCentro de Investigaciones Biológicas Margarita Salas CSIC, Madrid, Spain.
Alicia Santos-AledoCentro de Investigaciones Biológicas Margarita Salas CSIC, Madrid, Spain.
Elena A PrimCentro de Investigaciones Biológicas Margarita Salas CSIC, Madrid, Spain.
José M AndreuCentro de Investigaciones Biológicas Margarita Salas CSIC, Madrid, Spain.ORCID 0000-0001-8064-6933
Carlos Fernández-TorneroCentro de Investigaciones Biológicas Margarita Salas CSIC, Madrid, Spain.ORCID 0000-0001-5097-731X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Treadmilling protein filaments perform essential cellular functions by growing from one end while shrinking from the other, driven by nucleotide hydrolysis. Bacterial cell division relies on the primitive tubulin homolog FtsZ, a target for antibiotic discovery that assembles into single treadmilling filaments that hydrolyse GTP at an active site formed upon subunit association. We determined high-resolution filament structures of FtsZ from the pathogen Staphylococcus aureus in complex with different nucleotide analogs and cations, including mimetics of the ground and transition states of catalysis. Together with mutational and biochemical analyses, our structures reveal interactions made by the GTP γ-phosphate and Mg2+ at the subunit interface, a K+ ion stabilizing loop T7 for co-catalysis, new roles of key residues at the active site and a nearby crosstalk area, and rearrangements of a dynamic water shell bridging adjacent subunits upon GTP hydrolysis. We propose a mechanistic model that integrates nucleotide hydrolysis signaling with assembly-associated conformational changes and filament treadmilling. Equivalent assembly mechanisms may apply to more complex tubulin and actin cytomotive filaments that share analogous features with FtsZ.

Indexed as

Cytoskeletal ProteinsNucleotidesBacterial ProteinsGuanosine TriphosphateTubulinBacterial ProteinsCytoskeletal ProteinsGuanosine TriphosphateNucleotidesTubulin

Identifiers

PMID35312677
PMCPMC8936486

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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.