A Single Promoter Inversion Switches Photorhabdus Between Pathogenic and Mutualistic States
Somvanshi VS, Sloup RE, Crawford JM, Martin AR, Heidt AJ, Kim KS, Clardy J, Ciche TA. A Single Promoter Inversion Switches Photorhabdus Between Pathogenic and Mutualistic States. Science 2012, 337: 88-93. PMID: 22767929, PMCID: PMC4006969, DOI: 10.1126/science.1216641.Peer-Reviewed Original ResearchConceptsNematode intestinePromoter inversionVariable life historiesM-form cellsInsect infectionHost nematodesLife historyMicrobial populationsSecondary metabolitesAntibiotic toleranceIndividual cellsNematodesPhotorhabdusM formJuvenile offspringCellsPathogenic variantsFirst cellsDistinct formsMutualistsMutualismVariantsInsectsAvirulenceSmall cell variantSmall molecule perimeter defense in entomopathogenic bacteria
Crawford JM, Portmann C, Zhang X, Roeffaers MB, Clardy J. Small molecule perimeter defense in entomopathogenic bacteria. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 10821-10826. PMID: 22711807, PMCID: PMC3390839, DOI: 10.1073/pnas.1201160109.Peer-Reviewed Original ResearchConceptsBacterial cell surfaceConfocal fluorescence microscopyCell surfacePhysical associationHuman pathogen Vibrio choleraeInsect innate immune systemBiochemical assaysInnate immune systemPathogen Vibrio choleraeFluorescence microscopyPrecursor-directed biosynthesisE. coli cellsInsect pathogensPathway mutantsEntomopathogenic bacteriaHeterologous expressionXenorhabdus nematophilaColi cellsEscherichia coliVibrio choleraeClass of moleculesBioorthogonal probesEffective inhibitor concentrationBiosynthesisHost defense