Generaterandomgeneknockoutsinlivingbacteria
- Generatemutantswithimprovedgeneticsorfunctionacrossabroadhostrangeofbacterialcelltypes
- Characterizenovelgenesandgenefunctions
- Identifygenesinvolvedinpathogenesis,toxicity,biofilmdevelopment
- Unravelmetabolicpathways
- Identifyessentialgenesandregulatoryelements
- 100’sofcitationsformanydifferentapplications
Applications
EZ-Tn5™Transposome™complexesareformedbetweenanEZ-Tn5™TransposonandEZ-Tn5™Transposase,andprovideasimpleandreliablemethodforgeneratingalibraryofrandomgeneknockoutsinvivo.*JustelectroporatetheEZ-Tn5TransposomeintoanyofabroadrangeoflivingbacterialcellsandselectforamarkerencodedbytheEZ-Tn5Transposon(Fig.1).Becausethereisnoneedforcellconjugation,suicidevectors,orspecifichostfactors,EZ-Tn5Transposomesareidealforcreatingmutantsinspeciesthathavepoorlydescribedgeneticsystemsorlackadequatemoleculartools. Ready-to-useEZ-Tn5Transposomes*areavailablecontainingakanamycinselectablemarker(<KAN-2>).ThismarkerisreADIlyexpressedinmanyGram-negativebacteria.YoucanalsocreateyourownEZ-Tn5TransposomeusingoneoftheEZ-Tn5pMOD™TransposonConstructionVectorsandEZ-Tn5Transposase. | |
Figure1.TheEZ-Tn5™TransposoninsertionsiteinbacterialDNAcanbesequenceddirectlyusinggenomicDNAisolatedusingtheMasterPure™CompleteDNAPurificationKitandprimershomologoustotheendsofthetransposon. |
AllEZ-Tn5Transposonscontainuniqueprimer-bindingsitesateachendforbidirectionalsequencing.Hence,ageneknockoutcanbesequenceddirectlyusingbacterialgenomicDNAastemplateandtheprimersprovidedwitheachTransposome.TransposoninsertionsmadeusinganEZ-Tn5<R6Kγori/KAN-2>TnpTransposomeKitcanberescuedandtheflankingDNAsequenced.
EZ-Tn5Transposome-mediatedinsertionshavebeenmadeinmanydifferentmicroorganisms,includingAcinetobactor,Campylobacter,Escherichia,Mycobacterium,Proteus,Pseudomonas,Saccharomyces,Salmonella,Trypanosoma,Xylella,andothers.Thenumberoftranspositionclonesobtainedishighlydependentonthetransformationefficiencyofthehostcell(Table1).
Benefits
- Rapidmutagenesisprocedureissimplerandeasiertousethanchemicalmutagenesis.
- Moreefficientthanusingmini-transposonswithsuicideplasmids.
- Broadhostrange:over60speciesofGram-negativeandGram-positivebacteriatransposedsofar.
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*Coveredbyissuedand/orpendingpatents,exclusivelylicensedorassignedtoEpicentre®(anIllumina®Company). |