Source 1review2015Frontiers in Microbiology
Toolkit/Ribosomal oxygenases
Ribosomal oxygenases
Also known as: ROX
Taxonomy: Mechanism Branch / Component. Workflows sit above the mechanism and technique branches rather than replacing them.
Summary
Recently, an evolutionarily conserved class of ribosomal oxygenases (ROX) that catalyze the hydroxylation of specific residues in the ribosome has been identified in bacteria.
Usefulness & Problems
Why this is useful
ROX are described as ribosomal oxygenases that hydroxylate specific residues in the ribosome in bacteria. The review frames them as a conserved class of 2OG/Fe(II)-dependent oxygenases with regulatory potential.; studying bacterial post-translational hydroxylation; probing translation-linked regulatory mechanisms; identifying oxygen-dependent regulatory enzyme families in bacteria
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ROX are described as ribosomal oxygenases that hydroxylate specific residues in the ribosome in bacteria. The review frames them as a conserved class of 2OG/Fe(II)-dependent oxygenases with regulatory potential.
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studying bacterial post-translational hydroxylation
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probing translation-linked regulatory mechanisms
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identifying oxygen-dependent regulatory enzyme families in bacteria
Problem solved
They provide a mechanistic entry point for studying how oxygen-dependent post-translational hydroxylation can regulate bacterial growth and translation.; provides a defined enzyme family connecting hydroxylation to ribosome-associated regulation in bacteria
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They provide a mechanistic entry point for studying how oxygen-dependent post-translational hydroxylation can regulate bacterial growth and translation.
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provides a defined enzyme family connecting hydroxylation to ribosome-associated regulation in bacteria
Problem links
provides a defined enzyme family connecting hydroxylation to ribosome-associated regulation in bacteria
LiteratureThey provide a mechanistic entry point for studying how oxygen-dependent post-translational hydroxylation can regulate bacterial growth and translation.
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They provide a mechanistic entry point for studying how oxygen-dependent post-translational hydroxylation can regulate bacterial growth and translation.
Taxonomy & Function
Primary hierarchy
Mechanism Branch
Component: A low-level protein part used inside a larger architecture that realizes a mechanism.
Techniques
Directed EvolutionTarget processes
signalingtranslationImplementation Constraints
cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationoperating role: sensorswitch architecture: single chain
Use of ROX as a study target would require bacterial systems and assays that can detect ribosomal protein hydroxylation or translation-linked phenotypes. The abstract does not provide a specific assay format.; requires bacterial systems where ribosomal hydroxylation can be assessed; depends on oxygenase-associated hydroxylation chemistry
The abstract does not show that ROX alone provide a complete therapeutic strategy or define all downstream signaling pathways in bacteria.; the abstract does not specify individual family members, substrates, or implementation details
Validation
Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication
Supporting Sources
Ranked Claims
Ribosomal oxygenase activity in bacteria has been linked to cell growth and directly impacts bulk protein translation.
An evolutionarily conserved class of bacterial ribosomal oxygenases catalyzes hydroxylation of specific ribosomal residues.
Bacterial ribosomal protein hydroxylation could provide new therapeutic targets for regulating bacterial growth and may reveal new prokaryotic hydroxylation signaling pathways.
Approval Evidence
1 source3 linked approval claimsfirst-pass slug ribosomal-oxygenases
Recently, an evolutionarily conserved class of ribosomal oxygenases (ROX) that catalyze the hydroxylation of specific residues in the ribosome has been identified in bacteria.
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functional summarysupports
Ribosomal oxygenase activity in bacteria has been linked to cell growth and directly impacts bulk protein translation.
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mechanistic summarysupports
An evolutionarily conserved class of bacterial ribosomal oxygenases catalyzes hydroxylation of specific ribosomal residues.
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translational relevancesupports
Bacterial ribosomal protein hydroxylation could provide new therapeutic targets for regulating bacterial growth and may reveal new prokaryotic hydroxylation signaling pathways.
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Comparisons
Source-stated alternatives
The review contrasts bacterial ROX-centered hydroxylation with better-studied eukaryotic hydroxylation systems involved in collagen biosynthesis and hypoxic signaling.
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The review contrasts bacterial ROX-centered hydroxylation with better-studied eukaryotic hydroxylation systems involved in collagen biosynthesis and hypoxic signaling.
Source-backed strengths
described as evolutionarily conserved; directly linked in the review to cell growth and bulk protein translation
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described as evolutionarily conserved
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directly linked in the review to cell growth and bulk protein translation
Compared with intein
Ribosomal oxygenases and intein 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.
Compared with opsins
Ribosomal oxygenases and opsins address a similar problem space because they share signaling, translation.
Shared frame: same top-level item type; shared target processes: signaling, translation; shared mechanisms: translation_control
Strengths here: looks easier to implement in practice; may avoid an exogenous cofactor requirement.
Compared with optogenetic circuits
Ribosomal oxygenases and optogenetic circuits 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.