Recombinant Delftia acidovorans Ribosome-recycling factor (frr)
Description
Ribosome-Recycling Factor (frr): Overview
The frr gene encodes ribosome-releasing factor (RRF), which disassembles ribosomes from mRNA after translation termination. In Escherichia coli, frr is essential for cell viability, as demonstrated by temperature-sensitive mutants failing to grow without functional RRF ( ). While no studies on Delftia acidovorans frr were identified, RRF mechanisms are conserved across bacteria, suggesting analogous roles in ribosome recycling.
Recombinant Systems in Delftia acidovorans
Delftia acidovorans has been engineered for recombinant applications, though not involving frr:
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Biopolymer Production: Recombinant strains expressing lipase genes (lipC and lipH) from Pseudomonas stutzeri produce polyhydroxyalkanoates (PHAs) from agricultural waste, achieving up to 43% cell dry weight ( ).
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Dehalogenase Engineering: Five dehalogenases (DeHa1–5) from D. acidovorans D4B were recombinantly expressed in E. coli for defluorination of organofluorine compounds, though none targeted ribosome-related functions ( ).
Hypothetical Application of Recombinant frr in Delftia
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Gene Essentiality: As in E. coli ( ), frr is likely essential in Delftia, complicating knockout studies.
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Expression Compatibility: Heterologous frr expression would require optimization of promoters, codon usage, and plasmid stability, as seen in other Delftia recombinant systems ( ).
Research Gaps and Opportunities
Product Specs
Target Background
KEGG: dac:Daci_4945
STRING: 398578.Daci_4945
