Recombinant Legionella pneumophila DNA repair protein recO (recO)

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Description

Research Implications and Gaps

While recO is critical for bacterial DNA repair, its specific role in Legionella pathogenesis or survival within host cells remains unexplored. Key gaps include:

  1. Mechanistic Studies: No peer-reviewed data exist on recO’s interaction with host DNA repair machinery or its contribution to bacterial persistence.

  2. Functional Analogs: The RecBCD pathway in Legionella may share functional similarities with E. coli, but strain-specific differences are unconfirmed.

  3. Antimicrobial Targets: Potential exploitation of recO for therapeutic development (e.g., disrupting DNA repair in biofilm formation) is speculative without experimental validation.

Comparative Analysis of DNA Repair Proteins in Legionella

ProteinFunctionResearch FocusSource
recOHomologous recombinationLimited (commercial product only)
Rab7Lysosomal traffickingHost-pathogen interaction
CsrALife cycle regulationBiphasic replication/transmission
Lgt1/Lgt2UPR suppression (XBP1 splicing)Host ER stress modulation

Future Directions

  1. Biochemical Characterization: Assess recO’s ATPase activity, single-stranded DNA (ssDNA) binding, and interaction with RecB/RecD.

  2. Pathogenesis Studies: Investigate recO’s role in surviving oxidative stress or host immune evasion.

  3. Therapeutic Potential: Explore inhibitors targeting recO to disrupt bacterial DNA repair in Legionella-infected cells.

Product Specs

Form
Lyophilized powder
Note: While we prioritize shipping the format currently in stock, please specify your format preference during order placement for customized preparation.
Lead Time
Delivery times vary depending on the purchasing method and location. Please contact your local distributor for precise delivery estimates.
Note: Our proteins are shipped with standard blue ice packs. Dry ice shipping requires prior arrangement and incurs additional charges.
Notes
Avoid repeated freeze-thaw cycles. Store working aliquots at 4°C for up to one week.
Reconstitution
Centrifuge the vial briefly before opening to collect the contents. Reconstitute the protein in sterile, deionized water to a concentration of 0.1-1.0 mg/mL. For long-term storage, we recommend adding 5-50% glycerol (final concentration) and aliquoting at -20°C/-80°C. Our standard glycerol concentration is 50%, which can serve as a guideline.
Shelf Life
Shelf life depends on various factors, including storage conditions, buffer composition, temperature, and protein stability. Generally, liquid formulations have a 6-month shelf life at -20°C/-80°C, while lyophilized formulations have a 12-month shelf life at -20°C/-80°C.
Storage Condition
Store at -20°C/-80°C upon receipt. Aliquoting is essential for multiple uses. Avoid repeated freeze-thaw cycles.
Tag Info
Tag type is determined during manufacturing.
The tag type will be determined during the production process. If you require a specific tag, please inform us, and we will prioritize its development.
Synonyms
recO; lpl0974; DNA repair protein RecO; Recombination protein O
Buffer Before Lyophilization
Tris/PBS-based buffer, 6% Trehalose.
Datasheet
Please contact us to get it.
Expression Region
1-229
Protein Length
full length protein
Purity
>85% (SDS-PAGE)
Species
Legionella pneumophila (strain Lens)
Target Names
recO
Target Protein Sequence
MTSKSLSAWV IHKQWSGDTS ARLKLFTREL GLINCLCKGG RTPKKQSLLQ AFIPLWVSIE ERYDQYYTRN IESTSSRLDL EGHSLFSGLY INELLYYTLS PDFPDPDLFD AYLFTLNGIA LAREREAIEA LLRRFEWALL KACGYTFSFL HEARTGELIV PDSYYQFVAG EGFILGGDKE IPGEHLLAIA ADNLSEPAYL KSAKFIMRQA INHLLGGREI KARSLYGPA
Uniprot No.

Target Background

Function
Involved in DNA repair and RecF pathway recombination.
Database Links

KEGG: lpf:lpl0974

Protein Families
RecO family

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