The presence and absence of periplasmic rings in bacterial flagellar motors correlates with stator type.
Legionella pneumophila
Pseudomonas aeruginosa
Shewanella oneidensis MR-1
bacterial flagellar motor
electron cryo-tomography
evolution
evolutionary biology
infectious disease
microbiology
Journal
eLife
ISSN: 2050-084X
Titre abrégé: Elife
Pays: England
ID NLM: 101579614
Informations de publication
Date de publication:
16 01 2019
16 01 2019
Historique:
received:
08
11
2018
accepted:
19
12
2018
pubmed:
17
1
2019
medline:
21
4
2020
entrez:
17
1
2019
Statut:
epublish
Résumé
The bacterial flagellar motor, a cell-envelope-embedded macromolecular machine that functions as a cellular propeller, exhibits significant structural variability between species. Different torque-generating stator modules allow motors to operate in different pH, salt or viscosity levels. How such diversity evolved is unknown. Here, we use electron cryo-tomography to determine the in situ macromolecular structures of three Gammaproteobacteria motors:
Identifiants
pubmed: 30648971
doi: 10.7554/eLife.43487
pii: 43487
pmc: PMC6375700
doi:
pii:
Substances chimiques
Molecular Motor Proteins
0
Sodium
9NEZ333N27
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : NIAID NIH HHS
ID : R01 AI127401
Pays : United States
Organisme : NIH HHS
ID : R01 AI127401
Pays : United States
Organisme : Nederlandse Organisatie voor Wetenschappelijk Onderzoek
ID : Rubicon fellowship
Pays : International
Organisme : Air Force Office of Scientific Research
ID : FA955014-1-0294
Pays : International
Informations de copyright
© 2019, Kaplan et al.
Déclaration de conflit d'intérêts
MK, DG, PS, CO, AK, SP, DO, AB, ME, GJ No competing interests declared
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