2020
Characterization of Autoinducer‑3 Structure and Biosynthesis in E. coli
Kim CS, Gatsios A, Cuesta S, Lam YC, Wei Z, Chen H, Russell RM, Shine EE, Wang R, Wyche TP, Piizzi G, Flavell RA, Palm NW, Sperandio V, Crawford JM. Characterization of Autoinducer‑3 Structure and Biosynthesis in E. coli. ACS Central Science 2020, 6: 197-206. PMID: 32123737, PMCID: PMC7047286, DOI: 10.1021/acscentsci.9b01076.Peer-Reviewed Original ResearchAutoinducer-3Population-level phenotypesDiverse biological rolesGram-positive bacterial pathogensPrimary human tissuesModel organismsQuorum sensingMolecular foundationBiological roleCommon inhabitantsVariety of GramHuman microbiotaVirulence genesBacterial pathogensE. coliBiochemical originBiosynthesisHuman tissuesUnknown structureSynthetase reactionGenesOrganismsBiologyMetabolitesEnterohemorrhagic
2018
Luciferin production and luciferase transcription in the bioluminescent copepod Metridia lucens
Tessler M, Gaffney JP, Crawford JM, Trautman E, Gujarati NA, Alatalo P, Pieribone VA, Gruber DF. Luciferin production and luciferase transcription in the bioluminescent copepod Metridia lucens. PeerJ 2018, 6: e5506. PMID: 30233994, PMCID: PMC6140675, DOI: 10.7717/peerj.5506.Peer-Reviewed Original ResearchOceanic food websParalog genesFood websUncharacterized speciesLuciferase transcriptionMolecular basisCommon speciesCopepod speciesMarine zooplanktonBright bioluminescenceLuciferase sequencesSpeciesCopepodsCopepod MetridiaCritical roleLight productionSouthern latitudesBioluminescenceMetridiaMass spectrometryL-phenylalanineTranscriptionL-tyrosineGenesZooplankton
2017
Domain-Targeted Metabolomics Delineates the Heterocycle Assembly Steps of Colibactin Biosynthesis
Trautman EP, Healy AR, Shine EE, Herzon SB, Crawford JM. Domain-Targeted Metabolomics Delineates the Heterocycle Assembly Steps of Colibactin Biosynthesis. Journal Of The American Chemical Society 2017, 139: 4195-4201. PMID: 28240912, PMCID: PMC5831107, DOI: 10.1021/jacs.7b00659.Peer-Reviewed Original ResearchConceptsNonribosomal peptide synthetasesPolyketide synthasesModular polyketide synthasesSite-directed mutagenesisCombination of genesCellular metabolic levelsColibactin biosynthesisMultidomain proteinsProtein domainsPeptide synthetasesCatalytic domainControl pathwaysProtein biochemicalPathway analysisCertain Escherichia coliComplete deletionHybrid pathwayEscherichia coliFunctional readoutBiosynthesisCatalytic mechanismCellular levelMetabolic levelPathwayGenesAcyl Histidines: New N‐Acyl Amides from Legionella pneumophila
Tørring T, Shames SR, Cho W, Roy CR, Crawford JM. Acyl Histidines: New N‐Acyl Amides from Legionella pneumophila. ChemBioChem 2017, 18: 638-646. PMID: 28116768, PMCID: PMC5546091, DOI: 10.1002/cbic.201600618.Peer-Reviewed Original ResearchConceptsBiosynthetic gene clusterOrphan biosynthetic gene clustersPathogen-insect interactionsAmino acid-derived metabolitesLegionella pneumophilaOrphan pathwaysBiosynthetic genesVariety of protozoanGene clusterN-acyl amidesMolecular networkingHuman macrophagesDistinct groupsPneumophilaCausative agentPathwayMetabolitesHistidine metabolitesNew N-acylGenesLegionnaires' diseaseAmoebaeProtozoaMacrophagesPathogens
2010
Not just passing through
Crawford JM, Clardy J. Not just passing through. Nature Chemistry 2010, 2: 805-807. PMID: 20861892, DOI: 10.1038/nchem.848.Peer-Reviewed Original ResearchAbsence of the aflatoxin biosynthesis gene, norA, allows accumulation of deoxyaflatoxin B1 in Aspergillus flavus cultures
Ehrlich KC, Chang P, Scharfenstein LL, Cary JW, Crawford JM, Townsend CA. Absence of the aflatoxin biosynthesis gene, norA, allows accumulation of deoxyaflatoxin B1 in Aspergillus flavus cultures. FEMS Microbiology Letters 2010, 305: 65-70. PMID: 20158523, PMCID: PMC2891446, DOI: 10.1111/j.1574-6968.2010.01914.x.Peer-Reviewed Original ResearchConceptsBiosynthetic gene clusterAflatoxin biosynthesis genesCytochrome P450 monooxygenaseAflatoxin biosynthetic gene clusterWild-type A. flavusBiosynthesis genesGene clusterP450 monooxygenaseAflatoxin biosynthesisCarcinogenic aflatoxinsAccumulation of aflatoxinBiosynthesisA. flavusMinor toxinsO-methylsterigmatocystinAspergillus speciesFinal stepAspergillus flavusNew metabolitesQuantities of aflatoxinElevated quantitiesMutantsAccumulationFlavusGenes