The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Spatio-temporal Rho GTPase signaling – where are we now?
Open accessAbstract
Rho-family GTPases are molecular switches that transmit extracellular cues to intracellular signaling pathways. Their regulation is likely to be highly regulated in space and in time, but most of what is known about Rho-family GTPase signaling has been derived from techniques that do not resolve these dimensions. New imaging technologies now allow the visualization of Rho GTPase signaling with high spatio-temporal resolution. This has led to insights that significantly extend classic models and call for a novel conceptual framework. These approaches clearly show three things. First, Rho GTPase signaling dynamics occur on micrometer length scales and subminute timescales. Second, multiple subcellular pools of one given Rho GTPase can operate simultaneously in time and space to regulate a wide variety of morphogenetic events (e.g. leading-edge membrane protrusion, tail retraction, membrane ruffling). These different Rho GTPase subcellular pools might be described as ‘spatio-temporal signaling modules’ and might involve the specific interaction of one GTPase with different guanine nucleotide exchange factors (GEFs), GTPase-activating proteins (GAPs) and effectors. Third, complex spatio-temporal signaling programs that involve precise crosstalk between multiple Rho GTPase signaling modules regulate specific morphogenetic events. The next challenge is to decipher the molecular circuitry underlying this complex spatio-temporal modularity to produce integrated models of Rho GTPase signaling.
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Cites
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Metadata
- Authors
- Pertz, O.
- Venue
- Journal of Cell Science
- Publisher
- The Company of Biologists
- Published
- 2010-06-01
- Volume
- 123
- Issue
- 11
- Pages
- 1841-1850
- ISSN
- 0021-9533 (ISSN-L)
- 1477-9137
- OpenAlex
- W2022002610
- Cited by
- 253
- References
- 1
- FWCI
- 9.22
- Type
- journal article
- Language
- en
- Open access
- bronze
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