2023
Identification of Efflux Substrates Using a Riboswitch-Based Reporter in Pseudomonas aeruginosa
Urdaneta-Páez V, Hamchand R, Anthony K, Crawford J, Sutherland A, Kazmierczak B. Identification of Efflux Substrates Using a Riboswitch-Based Reporter in Pseudomonas aeruginosa. MSphere 2023, 8: e00069-23. PMID: 36946743, PMCID: PMC10117056, DOI: 10.1128/msphere.00069-23.Peer-Reviewed Original ResearchConceptsLiquid chromatography-mass spectrometryCompound uptakeHigh-resolution liquid chromatography-mass spectrometryChromatography-mass spectrometryNovel antibioticsHigh-throughput screeningRational designMore rational designChemical librariesDiverse compoundsInitial hitsSelect compoundsPermeable compoundsDrug candidatesCompoundsStructural propertiesBacterial cellsPowerful methodAntifolate drugsSubstrateSpectrometrySynthesisPseudomonas aeruginosaClasses of antibioticsMembrane
2019
Synthesis and reactivity of precolibactin 886
Healy AR, Wernke KM, Kim CS, Lees NR, Crawford JM, Herzon SB. Synthesis and reactivity of precolibactin 886. Nature Chemistry 2019, 11: 890-898. PMID: 31548676, PMCID: PMC6761996, DOI: 10.1038/s41557-019-0338-2.Peer-Reviewed Original ResearchConceptsStructural assignmentNucleophilic cleavageΑ-ketoiminesSpontaneous cyclizationSynthetic pathwayΑ-dicarbonylsBasic conditionsHPLC purificationBiosynthetic routeBiosynthetic intermediatesBiosynthesis of metabolitesCleavage pathwayBiosynthetic productsGut commensal Escherichia coliClb gene clusterCleavageCyclizationPyridoneAdductsIntermediatesCompoundsDNA crosslinkingSynthesisCrosslinkingMajor biosynthetic route
2011
Bacterial symbionts and natural products
Crawford JM, Clardy J. Bacterial symbionts and natural products. Chemical Communications 2011, 47: 7559-7566. PMID: 21594283, PMCID: PMC3174269, DOI: 10.1039/c1cc11574j.Peer-Reviewed Original Research
2009
Structural basis for biosynthetic programming of fungal aromatic polyketide cyclization
Crawford JM, Korman TP, Labonte JW, Vagstad AL, Hill EA, Kamari-Bidkorpeh O, Tsai SC, Townsend CA. Structural basis for biosynthetic programming of fungal aromatic polyketide cyclization. Nature 2009, 461: 1139-1143. PMID: 19847268, PMCID: PMC2872118, DOI: 10.1038/nature08475.Peer-Reviewed Original ResearchConceptsProduct templateX-ray crystal structurePt domainsIntramolecular aldol cyclizationCo-crystal structureIterative polyketide synthaseBicyclic compoundsPolyketide cyclizationNatural productsCrystal structureAldol cyclizationDiverse structuresBiological activityBiosynthetic reactionsCyclizationPolyketide synthaseAflatoxin B1Structural basisStructureIntermediatesCompoundsReactionPotent hepatocarcinogen aflatoxin B1TemplateHepatocarcinogen aflatoxin B1