2017
A Tick Antivirulence Protein Potentiates Antibiotics against Staphylococcus aureus
Abraham NM, Liu L, Jutras BL, Murfin K, Acar A, Yarovinsky TO, Sutton E, Heisig M, Jacobs-Wagner C, Fikrig E. A Tick Antivirulence Protein Potentiates Antibiotics against Staphylococcus aureus. Antimicrobial Agents And Chemotherapy 2017, 61: 10.1128/aac.00113-17. PMID: 28438938, PMCID: PMC5487661, DOI: 10.1128/aac.00113-17.Peer-Reviewed Original ResearchConceptsNovel alternative therapeutic strategyAlternative therapeutic strategiesEfficacy of antibioticsTherapeutic strategiesTransgenic miceBacterial infectionsInfection modelDifferent antibioticsAntibioticsAntibiotic resistanceStaphylococcus aureusPotency of antibioticsClinical pathogensPeptides representativeImproved permeationPathogensPotent antibiofilm propertiesIAFGPPathogen-mediated manipulation of arthropod microbiota to promote infection
Abraham NM, Liu L, Jutras BL, Yadav AK, Narasimhan S, Gopalakrishnan V, Ansari JM, Jefferson KK, Cava F, Jacobs-Wagner C, Fikrig E. Pathogen-mediated manipulation of arthropod microbiota to promote infection. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: e781-e790. PMID: 28096373, PMCID: PMC5293115, DOI: 10.1073/pnas.1613422114.Peer-Reviewed Original ResearchConceptsTerminal D-alanine residueHuman pathogensPathogen-mediated manipulationNumerous human pathogensCapacity of bacteriaWay microbesArthropod microbiotaD-alanine residuesA. phagocytophilumAntibacterial proteinsPeritrophic matrixBacterial biofilm formationGut microbiotaMolecular mechanismsBacterial peptidoglycanPentapeptide chainBiofilm formationIAFGPIxodes scapularis ticksDiverse infectious agentsHuman granulocytic anaplasmosisMicrobiotaProteinAntifreeze glycoproteinsAnaplasma phagocytophilum
2015
Frostbite Protection in Mice Expressing an Antifreeze Glycoprotein
Heisig M, Mattessich S, Rembisz A, Acar A, Shapiro M, Booth CJ, Neelakanta G, Fikrig E. Frostbite Protection in Mice Expressing an Antifreeze Glycoprotein. PLOS ONE 2015, 10: e0116562. PMID: 25714402, PMCID: PMC4340617, DOI: 10.1371/journal.pone.0116562.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntifreeze ProteinsCell SurvivalCold TemperatureFibroblastsFrostbiteGene ExpressionInflammationMiceMice, TransgenicConceptsAnti-freeze glycoproteinAnti-freeze proteinsTransgenic Drosophila modelReduced cell deathDiverse speciesMammalian cellsDrosophila modelCold stressIAFGPMammalian tissuesCold shockCell deathCold hardinessDiverse mechanismsTick hostsTransgenic mouse modelPrevents tissue damagePrevention of frostbiteCold temperaturesAntifreeze glycoproteinsTransgenic miceGlycoproteinNorthern latitudesProtective functionMouse model
2014
Antivirulence Properties of an Antifreeze Protein
Heisig M, Abraham NM, Liu L, Neelakanta G, Mattessich S, Sultana H, Shang Z, Ansari JM, Killiam C, Walker W, Cooley L, Flavell RA, Agaisse H, Fikrig E. Antivirulence Properties of an Antifreeze Protein. Cell Reports 2014, 9: 417-424. PMID: 25373896, PMCID: PMC4223805, DOI: 10.1016/j.celrep.2014.09.034.Peer-Reviewed Original ResearchConceptsAntifreeze proteinsDiverse bacteriaProtein bindsWild-type animalsBiofilm formationAntivirulence agentsIAFGPMethicillin-resistant Staphylococcus aureusHost controlProteinAntifreeze glycoproteinsIxodes scapularisAntivirulence propertiesBacteriaSeptic shockTherapeutic strategiesBacterial infectionsInfectious diseasesMicrobesStaphylococcus aureusFliesBindsInfectionCatheter tubingPathogens
2012
Expression of Ixodes scapularis Antifreeze Glycoprotein Enhances Cold Tolerance in Drosophila melanogaster
Neelakanta G, Hudson AM, Sultana H, Cooley L, Fikrig E. Expression of Ixodes scapularis Antifreeze Glycoprotein Enhances Cold Tolerance in Drosophila melanogaster. PLOS ONE 2012, 7: e33447. PMID: 22428051, PMCID: PMC3302814, DOI: 10.1371/journal.pone.0033447.Peer-Reviewed Original ResearchMeSH KeywordsAcclimatizationAnalysis of VarianceAnimalsAnimals, Genetically ModifiedAntifreeze ProteinsApoptosisCold TemperatureDrosophila melanogasterEmbryo, NonmammalianEnzyme-Linked Immunosorbent AssayFemaleImmunoblottingIn Situ Nick-End LabelingIxodesMaleMusclesOligonucleotidesReal-Time Polymerase Chain ReactionConceptsNon-freezing temperaturesD. melanogasterDrosophila melanogasterCold toleranceLow non-freezing temperaturesFemale adult fliesTransgenic D. melanogasterCold shock injuryAbility of fliesAntifreeze glycoproteinsAdult fliesMolecular basisMelanogasterFlight musclesFliesAntifreeze proteinsHatching rateHigher survival rateApoptotic damageGlycoproteinExpressionToleranceEmbryosProteinApoptosis
2010
Anaplasma phagocytophilum induces Ixodes scapularis ticks to express an antifreeze glycoprotein gene that enhances their survival in the cold
Neelakanta G, Sultana H, Fish D, Anderson JF, Fikrig E. Anaplasma phagocytophilum induces Ixodes scapularis ticks to express an antifreeze glycoprotein gene that enhances their survival in the cold. Journal Of Clinical Investigation 2010, 120: 3179-3190. PMID: 20739755, PMCID: PMC2929727, DOI: 10.1172/jci42868.Peer-Reviewed Original Research