Source 1review2001Advances in microbial physiology/Advances in Microbial Physiology
Toolkit/trigger factor
trigger factor
Taxonomy: Mechanism Branch / Architecture. Workflows sit above the mechanism and technique branches rather than replacing them.
Summary
DnaK chaperones interact with trigger factor in protein translation...
Usefulness & Problems
Why this is useful
Trigger factor is presented as a chaperone partner that interacts with DnaK during protein translation.; studying chaperone cooperation during protein translation
Source:
Trigger factor is presented as a chaperone partner that interacts with DnaK during protein translation.
Source:
studying chaperone cooperation during protein translation
Problem solved
It is implicated in managing protein folding challenges during translation.; supports handling of nascent or non-native proteins during translation in cooperation with DnaK
Source:
It is implicated in managing protein folding challenges during translation.
Source:
supports handling of nascent or non-native proteins during translation in cooperation with DnaK
Problem links
supports handling of nascent or non-native proteins during translation in cooperation with DnaK
LiteratureIt is implicated in managing protein folding challenges during translation.
Source:
It is implicated in managing protein folding challenges during translation.
Taxonomy & Function
Primary hierarchy
Mechanism Branch
Architecture: A composed arrangement of multiple parts that instantiates one or more mechanisms.
Techniques
No technique tags yet.
Target processes
translationImplementation Constraints
cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationimplementation constraint: multi component delivery burdenoperating role: regulatorswitch architecture: multi component
The abstract only supports its use in the context of bacterial translation and DnaK interaction.; described as acting in interaction with DnaK during protein translation
The abstract does not define an independent full mechanism or broader stress-response role for trigger factor by itself.; the abstract provides only a brief interaction statement and no standalone mechanism or implementation detail
Validation
Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication
Supporting Sources
Ranked Claims
DnaK chaperones interact with ClpB in reactivating proteins that have aggregated after heat shock.
DnaK chaperones interact with trigger factor during protein translation.
DnaK chaperones act by binding and protecting exposed regions on unfolded or partially folded protein chains.
GroE and DnaK are the two major chaperone systems in bacterial cells, with contrasting roles and mechanisms.
The GroE chaperone machine promotes folding by providing a protected environment in which individual protein molecules can fold.
A more widely conserved bacterial heat-shock regulatory system is typified by the HrcA repressor in Bacillus subtilis, whose activity is modulated by the GroE chaperone machine.
In Escherichia coli, sigma 32 is more efficiently translated and transiently stabilized following heat shock, and DnaK chaperones modulate this effect.
Approval Evidence
1 source1 linked approval claimfirst-pass slug trigger-factor
DnaK chaperones interact with trigger factor in protein translation...
Source:
interaction summarysupports
DnaK chaperones interact with trigger factor during protein translation.
Source:
Comparisons
Source-stated alternatives
The abstract places it alongside DnaK and contrasts the broader GroE mechanism elsewhere.
Source:
The abstract places it alongside DnaK and contrasts the broader GroE mechanism elsewhere.
Source-backed strengths
explicitly linked to translation-associated chaperone interaction
Source:
explicitly linked to translation-associated chaperone interaction
Compared with CAR-T therapy
trigger factor and CAR-T therapy address a similar problem space because they share translation.
Shared frame: same top-level item type; shared target processes: translation; shared mechanisms: translation_control
Compared with cRTC
trigger factor and cRTC address a similar problem space because they share translation.
Shared frame: same top-level item type; shared target processes: translation; shared mechanisms: translation_control
Compared with optogenetic systems adapted to regulate gene expression
trigger factor and optogenetic systems adapted to regulate gene expression address a similar problem space because they share translation.
Shared frame: same top-level item type; shared target processes: translation; shared mechanisms: translation_control
Strengths here: looks easier to implement in practice.
Ranked Citations
- 1.