Efficient Front-Rear Coupling in Neutrophil Chemotaxis by Dynamic Myosin II Localization.
Actin Cytoskeleton
/ metabolism
Actins
/ metabolism
Animals
Animals, Genetically Modified
Cell Line
Cell Movement
/ physiology
Cell Polarity
/ physiology
Cell Surface Extensions
/ physiology
Chemotaxis
/ physiology
Cytoskeletal Proteins
/ metabolism
Cytoskeleton
/ metabolism
Female
Humans
Myosin Type II
/ metabolism
Myosins
/ metabolism
Neutrophils
/ physiology
Zebrafish
/ metabolism
Zebrafish Proteins
/ metabolism
actin network retrograde flow
actin-myosin interaction
cell mechanics
cell migration
cytoskeleton dynamics
myosin light chain phosphorylation
neutrophil chemotaxis
Journal
Developmental cell
ISSN: 1878-1551
Titre abrégé: Dev Cell
Pays: United States
ID NLM: 101120028
Informations de publication
Date de publication:
22 04 2019
22 04 2019
Historique:
received:
18
08
2017
revised:
01
02
2019
accepted:
26
03
2019
entrez:
25
4
2019
pubmed:
25
4
2019
medline:
7
1
2020
Statut:
ppublish
Résumé
Efficient chemotaxis requires rapid coordination between different parts of the cell in response to changing directional cues. Here, we investigate the mechanism of front-rear coordination in chemotactic neutrophils. We find that changes in the protrusion rate at the cell front are instantaneously coupled to changes in retraction at the cell rear, while myosin II accumulation at the rear exhibits a reproducible 9-15-s lag. In turning cells, myosin II exhibits dynamic side-to-side relocalization at the cell rear in response to turning of the leading edge and facilitates efficient turning by rapidly re-orienting the rear. These manifestations of front-rear coupling can be explained by a simple quantitative model incorporating reversible actin-myosin interactions with a rearward-flowing actin network. Finally, the system can be tuned by the degree of myosin regulatory light chain (MRLC) phosphorylation, which appears to be set in an optimal range to balance persistence of movement and turning ability.
Identifiants
pubmed: 31014479
pii: S1534-5807(19)30236-9
doi: 10.1016/j.devcel.2019.03.025
pmc: PMC6708378
mid: NIHMS1046356
pii:
doi:
Substances chimiques
Actins
0
Cytoskeletal Proteins
0
Zebrafish Proteins
0
Myosin Type II
EC 3.6.1.-
Myosins
EC 3.6.4.1
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
189-205.e6Subventions
Organisme : NIGMS NIH HHS
ID : T32 GM007365
Pays : United States
Organisme : Howard Hughes Medical Institute
Pays : United States
Organisme : NIGMS NIH HHS
ID : T32 GM007276
Pays : United States
Organisme : NIGMS NIH HHS
ID : P50 GM107615
Pays : United States
Organisme : NIGMS NIH HHS
ID : R01 GM046383
Pays : United States
Organisme : NIH HHS
ID : S10 OD018073
Pays : United States
Organisme : NIGMS NIH HHS
ID : R01 GM074827
Pays : United States
Organisme : NIGMS NIH HHS
ID : R01 GM092804
Pays : United States
Organisme : NIGMS NIH HHS
ID : R35 GM131792
Pays : United States
Organisme : NIGMS NIH HHS
ID : R35 GM127026
Pays : United States
Organisme : NIBIB NIH HHS
ID : P41 EB002503
Pays : United States
Informations de copyright
Copyright © 2019 Elsevier Inc. All rights reserved.
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