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Michael L Vasil

TitleProfessor
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-Immunology Microbiology
Phone303/724-4228

    Collapse Research 
    Collapse research activities and funding
    R01AI015940     (VASIL, MICHAEL L.)Apr 1, 1979 - Nov 30, 2007
    NIH/NIAID
    IRON AND O2 IN THE REGULATION OF P AERUGINOSA VIRULENCE
    Role: Principal Investigator

    R37AI015940     (VASIL, MICHAEL L.)Apr 1, 1979 - Feb 28, 2014
    NIH/NIAID
    Iron and O2 in the Regulation of P. aeruginosa Virulence
    Role: Principal Investigator

    R01DK046440     (VASIL, MICHAEL L.)Jun 1, 1993 - May 31, 1998
    NIH/NIDDK
    P AERUGINOSA PHOSPHOLIPASE C--MOLECULAR PATHOGENESIS
    Role: Principal Investigator

    R01HL062608     (VASIL, MICHAEL L.)Jun 1, 1993 - Aug 31, 2009
    NIH/NHLBI
    Novel Class of Phospholipases-Molecular Pathogenesis
    Role: Principal Investigator

    Collapse Bibliographic 
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Jiang Z, Mant CT, Vasil M, Hodges RS. Role of positively charged residues on the polar and non-polar faces of amphipathic a-helical antimicrobial peptides on specificity and selectivity for Gram-negative pathogens. Chem Biol Drug Des. 2017 Jun 21. PMID: 28636788.
      View in: PubMed
    2. Vasil M, Pecka-Kielb E, Elecko J, Zachwieja A, Zawadzki W, Zigo F, Illek J, Farkašová Z. Effects of udder infections with Staphylococcus xylosus and Staphylococcus warneri on the composition and physicochemical changes in cows milk. Pol J Vet Sci. 2016 Dec 01; 19(4):841-848. PMID: 28092613.
      View in: PubMed
    3. Pecka-Kielb E, Vasil M, Zachwieja A, Zawadzki W, Elecko J, Zigo F, Illek J, Farkašová Z. An effect of mammary gland infection caused by Streptococcus uberis on composition and physicochemical changes of cows' milk. Pol J Vet Sci. 2016; 19(1):49-55. PMID: 27096787.
      View in: PubMed
    4. Grøftehauge MK, Truan D, Vasil A, Denny PW, Vasil ML, Pohl E. Crystal Structure of a Hidden Protein, YcaC, a Putative Cysteine Hydrolase from Pseudomonas aeruginosa, with and without an Acrylamide Adduct. Int J Mol Sci. 2015 Jul 14; 16(7):15971-84. PMID: 26184183; PMCID: PMC4519933.
    5. Jiang Z, Vasil AI, Vasil ML, Hodges RS. "Specificity Determinants" Improve Therapeutic Indices of Two Antimicrobial Peptides Piscidin 1 and Dermaseptin S4 Against the Gram-negative Pathogens Acinetobacter baumannii and Pseudomonas aeruginosa. Pharmaceuticals (Basel). 2014 Mar 25; 7(4):366-91. PMID: 24670666; PMCID: PMC4014698.
    6. Oglesby-Sherrouse AG, Djapgne L, Nguyen AT, Vasil AI, Vasil ML. The complex interplay of iron, biofilm formation, and mucoidy affecting antimicrobial resistance of Pseudomonas aeruginosa. Pathog Dis. 2014 Apr; 70(3):307-20. PMID: 24436170; PMCID: PMC4084922.
    7. Wiens JR, Vasil AI, Schurr MJ, Vasil ML. Iron-regulated expression of alginate production, mucoid phenotype, and biofilm formation by Pseudomonas aeruginosa. MBio. 2014 Feb 04; 5(1):e01010-13. PMID: 24496793; PMCID: PMC3950519.
    8. Ibarguren M, Sot J, Montes LR, Vasil AI, Vasil ML, Goñi FM, Alonso A. Recruitment of a phospholipase C/sphingomyelinase into non-lamellar lipid droplets during hydrolysis of lipid bilayers. Chem Phys Lipids. 2013 Jan; 166:12-7. PMID: 23253877; PMCID: PMC3562393.
    9. Truan D, Vasil A, Stonehouse M, Vasil ML, Pohl E. High-level over-expression, purification, and crystallization of a novel phospholipase C/sphingomyelinase from Pseudomonas aeruginosa. Protein Expr Purif. 2013 Jul; 90(1):40-6. PMID: 23201280; PMCID: PMC3601568.
    10. Vasil ML, Tomaras AP, Pritchard AE. Identification and evaluation of twin-arginine translocase inhibitors. Antimicrob Agents Chemother. 2012 Dec; 56(12):6223-34. PMID: 23006747; PMCID: PMC3497164.
    11. Spaková T, Elecko J, Vasil M, Legáth J, Pristas P, Javorský P. Limited genetic diversity of Aerococcus viridans strains isolated from clinical and subclinical cases of bovine mastitis in Slovakia. Pol J Vet Sci. 2012; 15(2):329-35. PMID: 22844712.
      View in: PubMed
    12. Young RL, Malcolm KC, Kret JE, Caceres SM, Poch KR, Nichols DP, Taylor-Cousar JL, Saavedra MT, Randell SH, Vasil ML, Burns JL, Moskowitz SM, Nick JA. Neutrophil extracellular trap (NET)-mediated killing of Pseudomonas aeruginosa: evidence of acquired resistance within the CF airway, independent of CFTR. PLoS One. 2011; 6(9):e23637. PMID: 21909403; PMCID: PMC3164657.
    13. Funken H, Knapp A, Vasil ML, Wilhelm S, Jaeger KE, Rosenau F. The lipase LipA (PA2862) but not LipC (PA4813) from Pseudomonas aeruginosa influences regulation of pyoverdine production and expression of the sigma factor PvdS. J Bacteriol. 2011 Oct; 193(20):5858-60. PMID: 21840975; PMCID: PMC3187233.
    14. Rholl DA, Papp-Wallace KM, Tomaras AP, Vasil ML, Bonomo RA, Schweizer HP. Molecular Investigations of PenA-mediated ß-lactam Resistance in Burkholderia pseudomallei. Front Microbiol. 2011; 2:139. PMID: 21747814; PMCID: PMC3129521.
    15. Wargo MJ, Gross MJ, Rajamani S, Allard JL, Lundblad LK, Allen GB, Vasil ML, Leclair LW, Hogan DA. Hemolytic phospholipase C inhibition protects lung function during Pseudomonas aeruginosa infection. Am J Respir Crit Care Med. 2011 Aug 01; 184(3):345-54. PMID: 21562128; PMCID: PMC3175536.
    16. Jiang Z, Vasil AI, Gera L, Vasil ML, Hodges RS. Rational design of a-helical antimicrobial peptides to target Gram-negative pathogens, Acinetobacter baumannii and Pseudomonas aeruginosa: utilization of charge, 'specificity determinants,' total hydrophobicity, hydrophobe type and location as design parameters to improve the therapeutic ratio. Chem Biol Drug Des. 2011 Apr; 77(4):225-40. PMID: 21219588; PMCID: PMC3063396.
    17. Ibarguren M, López DJ, Montes LR, Sot J, Vasil AI, Vasil ML, Goñi FM, Alonso A. Imaging the early stages of phospholipase C/sphingomyelinase activity on vesicles containing coexisting ordered-disordered and gel-fluid domains. J Lipid Res. 2011 Apr; 52(4):635-45. PMID: 21252263; PMCID: PMC3284157.
    18. López DJ, Collado MI, Ibarguren M, Vasil AI, Vasil ML, Goñi FM, Alonso A. Multiple phospholipid substrates of phospholipase C/sphingomyelinase HR2 from Pseudomonas aeruginosa. Chem Phys Lipids. 2011 Jan; 164(1):78-82. PMID: 21073866.
      View in: PubMed
    19. Oglesby-Sherrouse AG, Vasil ML. Characterization of a heme-regulated non-coding RNA encoded by the prrF locus of Pseudomonas aeruginosa. PLoS One. 2010 Apr 08; 5(4):e9930. PMID: 20386693; PMCID: PMC2851614.
    20. Ibarguren M, Bomans PH, Frederik PM, Stonehouse M, Vasil AI, Vasil ML, Alonso A, Goñi FM. End-products diacylglycerol and ceramide modulate membrane fusion induced by a phospholipase C/sphingomyelinase from Pseudomonas aeruginosa. Biochim Biophys Acta. 2010 Jan; 1798(1):59-64. PMID: 19891956; PMCID: PMC2789492.
    21. Vasil ML, Stonehouse MJ, Vasil AI, Wadsworth SJ, Goldfine H, Bolcome RE, Chan J. A complex extracellular sphingomyelinase of Pseudomonas aeruginosa inhibits angiogenesis by selective cytotoxicity to endothelial cells. PLoS Pathog. 2009 May; 5(5):e1000420. PMID: 19424430; PMCID: PMC2673038.
    22. Parks QM, Young RL, Poch KR, Malcolm KC, Vasil ML, Nick JA. Neutrophil enhancement of Pseudomonas aeruginosa biofilm development: human F-actin and DNA as targets for therapy. J Med Microbiol. 2009 Apr; 58(Pt 4):492-502. PMID: 19273646; PMCID: PMC2677169.
    23. Parker SK, Barkley RM, Rino JG, Vasil ML. Mycobacterium tuberculosis Rv3802c encodes a phospholipase/thioesterase and is inhibited by the antimycobacterial agent tetrahydrolipstatin. PLoS One. 2009; 4(1):e4281. PMID: 19169353; PMCID: PMC2625445.
    24. Jiang Z, Vasil AI, Hale J, Hancock RE, Vasil ML, Hodges RS. Effects of net charge and the number of positively charged residues on the biological activity of amphipathic alpha-helical cationic antimicrobial peptides. Adv Exp Med Biol. 2009; 611:561-2. PMID: 19400313.
      View in: PubMed
    25. Jiang Z, Kullberg BJ, van der Lee H, Vasil AI, Hale JD, Mant CT, Hancock RE, Vasil ML, Netea MG, Hodges RS. Effects of hydrophobicity on the antifungal activity of alpha-helical antimicrobial peptides. Chem Biol Drug Des. 2008 Dec; 72(6):483-95. PMID: 19090916; PMCID: PMC2730115.
    26. Montes LR, López DJ, Sot J, Bagatolli LA, Stonehouse MJ, Vasil ML, Wu BX, Hannun YA, Goñi FM, Alonso A. Ceramide-enriched membrane domains in red blood cells and the mechanism of sphingomyelinase-induced hot-cold hemolysis. Biochemistry. 2008 Oct 28; 47(43):11222-30. PMID: 18826261; PMCID: PMC2639766.
    27. Lucarelli D, Vasil ML, Meyer-Klaucke W, Pohl E. The Metal-Dependent Regulators FurA and FurB from Mycobacterium Tuberculosis. Int J Mol Sci. 2008 Aug; 9(8):1548-60. PMID: 19169435; PMCID: PMC2630230.
    28. Oglesby AG, Farrow JM, Lee JH, Tomaras AP, Greenberg EP, Pesci EC, Vasil ML. The influence of iron on Pseudomonas aeruginosa physiology: a regulatory link between iron and quorum sensing. J Biol Chem. 2008 Jun 06; 283(23):15558-67. PMID: 18424436; PMCID: PMC2414296.
    29. Miller RM, Tomaras AP, Barker AP, Voelker DR, Chan ED, Vasil AI, Vasil ML. Pseudomonas aeruginosa twitching motility-mediated chemotaxis towards phospholipids and fatty acids: specificity and metabolic requirements. J Bacteriol. 2008 Jun; 190(11):4038-49. PMID: 18390654; PMCID: PMC2395028.
    30. Jiang Z, Vasil AI, Hale JD, Hancock RE, Vasil ML, Hodges RS. Effects of net charge and the number of positively charged residues on the biological activity of amphipathic alpha-helical cationic antimicrobial peptides. Biopolymers. 2008; 90(3):369-83. PMID: 18098173; PMCID: PMC2761230.
    31. Korbsrisate S, Tomaras AP, Damnin S, Ckumdee J, Srinon V, Lengwehasatit I, Vasil ML, Suparak S. Characterization of two distinct phospholipase C enzymes from Burkholderia pseudomallei. Microbiology. 2007 Jun; 153(Pt 6):1907-15. PMID: 17526847.
      View in: PubMed
    32. Montes LR, Ibarguren M, Goñi FM, Stonehouse M, Vasil ML, Alonso A. Leakage-free membrane fusion induced by the hydrolytic activity of PlcHR(2), a novel phospholipase C/sphingomyelinase from Pseudomonas aeruginosa. Biochim Biophys Acta. 2007 Oct; 1768(10):2365-72. PMID: 17560896.
      View in: PubMed
    33. Parker SK, Curtin KM, Vasil ML. Purification and characterization of mycobacterial phospholipase A: an activity associated with mycobacterial cutinase. J Bacteriol. 2007 Jun; 189(11):4153-60. PMID: 17416658; PMCID: PMC1913378.
    34. Vasil ML. How we learnt about iron acquisition in Pseudomonas aeruginosa: a series of very fortunate events. Biometals. 2007 Jun; 20(3-4):587-601. PMID: 17186376.
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    35. Chen Y, Guarnieri MT, Vasil AI, Vasil ML, Mant CT, Hodges RS. Role of peptide hydrophobicity in the mechanism of action of alpha-helical antimicrobial peptides. Antimicrob Agents Chemother. 2007 Apr; 51(4):1398-406. PMID: 17158938; PMCID: PMC1855469.
    36. Snyder A, Vasil AI, Zajdowicz SL, Wilson ZR, Vasil ML. Role of the Pseudomonas aeruginosa PlcH Tat signal peptide in protein secretion, transcription, and cross-species Tat secretion system compatibility. J Bacteriol. 2006 Mar; 188(5):1762-74. PMID: 16484187; PMCID: PMC1426547.
    37. Chen Y, Vasil AI, Rehaume L, Mant CT, Burns JL, Vasil ML, Hancock RE, Hodges RS. Comparison of biophysical and biologic properties of alpha-helical enantiomeric antimicrobial peptides. Chem Biol Drug Des. 2006 Feb; 67(2):162-73. PMID: 16492164; PMCID: PMC3252236.
    38. Banin E, Vasil ML, Greenberg EP. Iron and Pseudomonas aeruginosa biofilm formation. Proc Natl Acad Sci U S A. 2005 Aug 02; 102(31):11076-81. PMID: 16043697; PMCID: PMC1182440.
    39. Walker TS, Tomlin KL, Worthen GS, Poch KR, Lieber JG, Saavedra MT, Fessler MB, Malcolm KC, Vasil ML, Nick JA. Enhanced Pseudomonas aeruginosa biofilm development mediated by human neutrophils. Infect Immun. 2005 Jun; 73(6):3693-701. PMID: 15908399; PMCID: PMC1111839.
    40. Ghysels B, Ochsner U, Möllman U, Heinisch L, Vasil M, Cornelis P, Matthijs S. The Pseudomonas aeruginosa pirA gene encodes a second receptor for ferrienterobactin and synthetic catecholate analogues. FEMS Microbiol Lett. 2005 May 15; 246(2):167-74. PMID: 15899402.
      View in: PubMed
    41. Chen Y, Mant CT, Farmer SW, Hancock RE, Vasil ML, Hodges RS. Rational design of alpha-helical antimicrobial peptides with enhanced activities and specificity/therapeutic index. J Biol Chem. 2005 Apr 01; 280(13):12316-29. PMID: 15677462; PMCID: PMC1393284.
    42. Nagiec MJ, Lei B, Parker SK, Vasil ML, Matsumoto M, Ireland RM, Beres SB, Hoe NP, Musser JM. Analysis of a novel prophage-encoded group A Streptococcus extracellular phospholipase A(2). J Biol Chem. 2004 Oct 29; 279(44):45909-18. PMID: 15304506.
      View in: PubMed
    43. Barker AP, Vasil AI, Filloux A, Ball G, Wilderman PJ, Vasil ML. A novel extracellular phospholipase C of Pseudomonas aeruginosa is required for phospholipid chemotaxis. Mol Microbiol. 2004 Aug; 53(4):1089-98. PMID: 15306013.
      View in: PubMed
    44. Wilderman PJ, Sowa NA, FitzGerald DJ, FitzGerald PC, Gottesman S, Ochsner UA, Vasil ML. Identification of tandem duplicate regulatory small RNAs in Pseudomonas aeruginosa involved in iron homeostasis. Proc Natl Acad Sci U S A. 2004 Jun 29; 101(26):9792-7. PMID: 15210934; PMCID: PMC470753.
    45. Ghysels B, Dieu BT, Beatson SA, Pirnay JP, Ochsner UA, Vasil ML, Cornelis P. FpvB, an alternative type I ferripyoverdine receptor of Pseudomonas aeruginosa. Microbiology. 2004 Jun; 150(Pt 6):1671-80. PMID: 15184553.
      View in: PubMed
    46. Lee DL, Powers JP, Pflegerl K, Vasil ML, Hancock RE, Hodges RS. Effects of single D-amino acid substitutions on disruption of beta-sheet structure and hydrophobicity in cyclic 14-residue antimicrobial peptide analogs related to gramicidin S. J Pept Res. 2004 Feb; 63(2):69-84. PMID: 15009528; PMCID: PMC1464084.
    47. Luberto C, Stonehouse MJ, Collins EA, Marchesini N, El-Bawab S, Vasil AI, Vasil ML, Hannun YA. Purification, characterization, and identification of a sphingomyelin synthase from Pseudomonas aeruginosa. PlcH is a multifunctional enzyme. J Biol Chem. 2003 Aug 29; 278(35):32733-43. PMID: 12799377.
      View in: PubMed
    48. Vasil ML. DNA microarrays in analysis of quorum sensing: strengths and limitations. J Bacteriol. 2003 Apr; 185(7):2061-5. PMID: 12644475; PMCID: PMC151479.
    49. Pohl E, Haller JC, Mijovilovich A, Meyer-Klaucke W, Garman E, Vasil ML. Architecture of a protein central to iron homeostasis: crystal structure and spectroscopic analysis of the ferric uptake regulator. Mol Microbiol. 2003 Feb; 47(4):903-15. PMID: 12581348.
      View in: PubMed
    50. Stonehouse MJ, Cota-Gomez A, Parker SK, Martin WE, Hankin JA, Murphy RC, Chen W, Lim KB, Hackett M, Vasil AI, Vasil ML. A novel class of microbial phosphocholine-specific phospholipases C. Mol Microbiol. 2002 Nov; 46(3):661-76. PMID: 12410824.
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    51. Wilderman PJ, Vasil AI, Martin WE, Murphy RC, Vasil ML. Pseudomonas aeruginosa synthesizes phosphatidylcholine by use of the phosphatidylcholine synthase pathway. J Bacteriol. 2002 Sep; 184(17):4792-9. PMID: 12169604; PMCID: PMC135270.
    52. Ochsner UA, Wilderman PJ, Vasil AI, Vasil ML. GeneChip expression analysis of the iron starvation response in Pseudomonas aeruginosa: identification of novel pyoverdine biosynthesis genes. Mol Microbiol. 2002 Sep; 45(5):1277-87. PMID: 12207696.
      View in: PubMed
    53. Ochsner UA, Snyder A, Vasil AI, Vasil ML. Effects of the twin-arginine translocase on secretion of virulence factors, stress response, and pathogenesis. Proc Natl Acad Sci U S A. 2002 Jun 11; 99(12):8312-7. PMID: 12034867; PMCID: PMC123064.
    54. Lamont IL, Beare PA, Ochsner U, Vasil AI, Vasil ML. Siderophore-mediated signaling regulates virulence factor production in Pseudomonasaeruginosa. Proc Natl Acad Sci U S A. 2002 May 14; 99(10):7072-7. PMID: 11997446; PMCID: PMC124530.
    55. Saavedra M, Vasil M, Randell S, West J, Rodman D. Pseudomonas aeruginosa-human airway epithelial cell interaction: effects of iron on inflammation and apoptosis. Chest. 2002 Mar; 121(3 Suppl):40S-41S. PMID: 11893679.
      View in: PubMed
    56. Wieland CW, Siegmund B, Senaldi G, Vasil ML, Dinarello CA, Fantuzzi G. Pulmonary inflammation induced by Pseudomonas aeruginosa lipopolysaccharide, phospholipase C, and exotoxin A: role of interferon regulatory factor 1. Infect Immun. 2002 Mar; 70(3):1352-8. PMID: 11854220; PMCID: PMC127789.
    57. Voulhoux R, Ball G, Ize B, Vasil ML, Lazdunski A, Wu LF, Filloux A. Involvement of the twin-arginine translocation system in protein secretion via the type II pathway. EMBO J. 2001 Dec 03; 20(23):6735-41. PMID: 11726509; PMCID: PMC125745.
    58. Wilderman PJ, Vasil AI, Johnson Z, Wilson MJ, Cunliffe HE, Lamont IL, Vasil ML. Characterization of an endoprotease (PrpL) encoded by a PvdS-regulated gene in Pseudomonas aeruginosa. Infect Immun. 2001 Sep; 69(9):5385-94. PMID: 11500408; PMCID: PMC98648.
    59. Wilderman PJ, Vasil AI, Johnson Z, Vasil ML. Genetic and biochemical analyses of a eukaryotic-like phospholipase D of Pseudomonas aeruginosa suggest horizontal acquisition and a role for persistence in a chronic pulmonary infection model. Mol Microbiol. 2001 Jan; 39(2):291-303. PMID: 11136451.
      View in: PubMed
    60. Ochsner UA, Hassett DJ, Vasil ML. Genetic and physiological characterization of ohr, encoding a protein involved in organic hydroperoxide resistance in Pseudomonas aeruginosa. J Bacteriol. 2001 Jan; 183(2):773-8. PMID: 11133975; PMCID: PMC94937.
    61. Swanson BL, Hager P, Phibbs P, Ochsner U, Vasil ML, Hamood AN. Characterization of the 2-ketogluconate utilization operon in Pseudomonas aeruginosa PAO1. Mol Microbiol. 2000 Aug; 37(3):561-73. PMID: 10931350.
      View in: PubMed
    62. Ochsner UA, Vasil ML, Alsabbagh E, Parvatiyar K, Hassett DJ. Role of the Pseudomonas aeruginosa oxyR-recG operon in oxidative stress defense and DNA repair: OxyR-dependent regulation of katB-ankB, ahpB, and ahpC-ahpF. J Bacteriol. 2000 Aug; 182(16):4533-44. PMID: 10913087; PMCID: PMC94625.
    63. Xiong YQ, Vasil ML, Johnson Z, Ochsner UA, Bayer AS. The oxygen- and iron-dependent sigma factor pvdS of Pseudomonas aeruginosa is an important virulence factor in experimental infective endocarditis. J Infect Dis. 2000 Mar; 181(3):1020-6. PMID: 10720526.
      View in: PubMed
    64. Ochsner UA, Johnson Z, Vasil ML. Genetics and regulation of two distinct haem-uptake systems, phu and has, in Pseudomonas aeruginosa. Microbiology. 2000 Jan; 146 ( Pt 1):185-98. PMID: 10658665.
      View in: PubMed
    65. Vasil ML, Ochsner UA. The response of Pseudomonas aeruginosa to iron: genetics, biochemistry and virulence. Mol Microbiol. 1999 Nov; 34(3):399-413. PMID: 10564483.
      View in: PubMed
    66. Stintzi A, Johnson Z, Stonehouse M, Ochsner U, Meyer JM, Vasil ML, Poole K. The pvc gene cluster of Pseudomonas aeruginosa: role in synthesis of the pyoverdine chromophore and regulation by PtxR and PvdS. J Bacteriol. 1999 Jul; 181(13):4118-24. PMID: 10383985; PMCID: PMC93907.
    67. Ma JF, Ochsner UA, Klotz MG, Nanayakkara VK, Howell ML, Johnson Z, Posey JE, Vasil ML, Monaco JJ, Hassett DJ. Bacterioferritin A modulates catalase A (KatA) activity and resistance to hydrogen peroxide in Pseudomonas aeruginosa. J Bacteriol. 1999 Jun; 181(12):3730-42. PMID: 10368148; PMCID: PMC93851.
    68. Terada LS, Johansen KA, Nowbar S, Vasil AI, Vasil ML. Pseudomonas aeruginosa hemolytic phospholipase C suppresses neutrophil respiratory burst activity. Infect Immun. 1999 May; 67(5):2371-6. PMID: 10225897; PMCID: PMC115980.
    69. Ochsner UA, Vasil AI, Johnson Z, Vasil ML. Pseudomonas aeruginosa fur overlaps with a gene encoding a novel outer membrane lipoprotein, OmlA. J Bacteriol. 1999 Feb; 181(4):1099-109. PMID: 9973334; PMCID: PMC93485.
    70. Vasil ML, Ochsner UA, Johnson Z, Colmer JA, Hamood AN. The fur-regulated gene encoding the alternative sigma factor PvdS is required for iron-dependent expression of the LysR-type regulator ptxR in Pseudomonas aeruginosa. J Bacteriol. 1998 Dec; 180(24):6784-8. PMID: 9852033; PMCID: PMC107792.
    71. El-Zaim HS, Chopra AK, Peterson JW, Vasil ML, Heggers JP. Protection against exotoxin A (ETA) and Pseudomonas aeruginosa infection in mice with ETA-specific antipeptide antibodies. Infect Immun. 1998 Nov; 66(11):5551-4. PMID: 9784572; PMCID: PMC108698.
    72. Sage AE, Vasil ML. Osmoprotectant-dependent expression of plcH, encoding the hemolytic phospholipase C, is subject to novel catabolite repression control in Pseudomonas aeruginosa PAO1. J Bacteriol. 1997 Aug; 179(15):4874-81. PMID: 9244277; PMCID: PMC179336.
    73. Cota-Gomez A, Vasil AI, Kadurugamuwa J, Beveridge TJ, Schweizer HP, Vasil ML. PlcR1 and PlcR2 are putative calcium-binding proteins required for secretion of the hemolytic phospholipase C of Pseudomonas aeruginosa. Infect Immun. 1997 Jul; 65(7):2904-13. PMID: 9199466; PMCID: PMC175408.
    74. König B, Vasil ML, König W. Role of haemolytic and non-haemolytic phospholipase C from Pseudomonas aeruginosa in interleukin-8 release from human monocytes. J Med Microbiol. 1997 Jun; 46(6):471-8. PMID: 9350199.
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    75. Vasil M, Baxova A, Kozlowski K. Severe limb abnormalities: Nievergelt or new syndrome? Am J Med Genet. 1997 May 02; 70(1):48-51. PMID: 9129741.
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    76. Hassett DJ, Howell ML, Sokol PA, Vasil ML, Dean GE. Fumarase C activity is elevated in response to iron deprivation and in mucoid, alginate-producing Pseudomonas aeruginosa: cloning and characterization of fumC and purification of native fumC. J Bacteriol. 1997 Mar; 179(5):1442-51. PMID: 9045798; PMCID: PMC178851.
    77. Hassett DJ, Howell ML, Ochsner UA, Vasil ML, Johnson Z, Dean GE. An operon containing fumC and sodA encoding fumarase C and manganese superoxide dismutase is controlled by the ferric uptake regulator in Pseudomonas aeruginosa: fur mutants produce elevated alginate levels. J Bacteriol. 1997 Mar; 179(5):1452-9. PMID: 9045799; PMCID: PMC178852.
    78. König B, Vasil ML, König W. Role of hemolytic and nonhemolytic phospholipase C from Pseudomonas aeruginosa for inflammatory mediator release from human granulocytes. Int Arch Allergy Immunol. 1997 Feb; 112(2):115-24. PMID: 9030090.
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    79. Sage AE, Vasil AI, Vasil ML. Molecular characterization of mutants affected in the osmoprotectant-dependent induction of phospholipase C in Pseudomonas aeruginosa PAO1. Mol Microbiol. 1997 Jan; 23(1):43-56. PMID: 9004219.
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    80. Raivio TL, Hoffer D, Prince RW, Vasil ML, Storey DG. Linker insertion scanning of regA, an activator of exotoxin A production in Pseudomonas aeruginosa. Mol Microbiol. 1996 Oct; 22(2):239-54. PMID: 8930909.
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    81. Barton HA, Johnson Z, Cox CD, Vasil AI, Vasil ML. Ferric uptake regulator mutants of Pseudomonas aeruginosa with distinct alterations in the iron-dependent repression of exotoxin A and siderophores in aerobic and microaerobic environments. Mol Microbiol. 1996 Sep; 21(5):1001-17. PMID: 8885270.
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    82. Ochsner UA, Johnson Z, Lamont IL, Cunliffe HE, Vasil ML. Exotoxin A production in Pseudomonas aeruginosa requires the iron-regulated pvdS gene encoding an alternative sigma factor. Mol Microbiol. 1996 Sep; 21(5):1019-28. PMID: 8885271.
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    83. Johansen KA, Gill RE, Vasil ML. Biochemical and molecular analysis of phospholipase C and phospholipase D activity in mycobacteria. Infect Immun. 1996 Aug; 64(8):3259-66. PMID: 8757862; PMCID: PMC174216.
    84. König B, Jaeger KE, Sage AE, Vasil ML, König W. Role of Pseudomonas aeruginosa lipase in inflammatory mediator release from human inflammatory effector cells (platelets, granulocytes, and monocytes. Infect Immun. 1996 Aug; 64(8):3252-8. PMID: 8757861; PMCID: PMC174215.
    85. Hamood AN, Colmer JA, Ochsner UA, Vasil ML. Isolation and characterization of a Pseudomonas aeruginosa gene, ptxR, which positively regulates exotoxin A production. Mol Microbiol. 1996 Jul; 21(1):97-110. PMID: 8843437.
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    86. Hassett DJ, Sokol PA, Howell ML, Ma JF, Schweizer HT, Ochsner U, Vasil ML. Ferric uptake regulator (Fur) mutants of Pseudomonas aeruginosa demonstrate defective siderophore-mediated iron uptake, altered aerobic growth, and decreased superoxide dismutase and catalase activities. J Bacteriol. 1996 Jul; 178(14):3996-4003. PMID: 8763923; PMCID: PMC178152.
    87. Ochsner UA, Vasil ML. Gene repression by the ferric uptake regulator in Pseudomonas aeruginosa: cycle selection of iron-regulated genes. Proc Natl Acad Sci U S A. 1996 Apr 30; 93(9):4409-14. PMID: 8633080; PMCID: PMC39551.
    88. Nociari MM, Catalano M, Centrón García D, Copenhaver SC, Vasil ML, Sordelli DO. Comparative usefulness of ribotyping, exotoxin A genotyping, and SalI restriction fragment length polymorphism analysis for Pseudomonas aeruginosa lineage assessment. Diagn Microbiol Infect Dis. 1996 Apr; 24(4):179-90. PMID: 8831031.
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    89. Ochsner UA, Vasil AI, Vasil ML. Role of the ferric uptake regulator of Pseudomonas aeruginosa in the regulation of siderophores and exotoxin A expression: purification and activity on iron-regulated promoters. J Bacteriol. 1995 Dec; 177(24):7194-201. PMID: 8522528; PMCID: PMC177600.
    90. Brown SM, Howell ML, Vasil ML, Anderson AJ, Hassett DJ. Cloning and characterization of the katB gene of Pseudomonas aeruginosa encoding a hydrogen peroxide-inducible catalase: purification of KatB, cellular localization, and demonstration that it is essential for optimal resistance to hydrogen peroxide. J Bacteriol. 1995 Nov; 177(22):6536-44. PMID: 7592431; PMCID: PMC177506.
    91. Preston MJ, Fleiszig SM, Zaidi TS, Goldberg JB, Shortridge VD, Vasil ML, Pier GB. Rapid and sensitive method for evaluating Pseudomonas aeruginosa virulence factors during corneal infections in mice. Infect Immun. 1995 Sep; 63(9):3497-501. PMID: 7642283; PMCID: PMC173483.
    92. Wolz C, Lehmann R, Vasil ML, Bischoff R, Döring G. A new extracellular protein of Pseudomonas aeruginosa PA103 regulated by regA. Microbiology. 1994 Jul; 140 ( Pt 7):1755-61. PMID: 8075811.
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    93. Vasil M, Baxova A, Kozlowski K. Radiographic abnormalities in Laron dwarfism. Pediatr Radiol. 1994; 24(4):260-2. PMID: 7800446.
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    94. Hassett DJ, Woodruff WA, Wozniak DJ, Vasil ML, Cohen MS, Ohman DE. Cloning and characterization of the Pseudomonas aeruginosa sodA and sodB genes encoding manganese- and iron-cofactored superoxide dismutase: demonstration of increased manganese superoxide dismutase activity in alginate-producing bacteria. J Bacteriol. 1993 Dec; 175(23):7658-65. PMID: 8244935; PMCID: PMC206923.
    95. Wiener-Kronish JP, Sakuma T, Kudoh I, Pittet JF, Frank D, Dobbs L, Vasil ML, Matthay MA. Alveolar epithelial injury and pleural empyema in acute P. aeruginosa pneumonia in anesthetized rabbits. J Appl Physiol (1985). 1993 Oct; 75(4):1661-9. PMID: 8282618.
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    96. Prince RW, Cox CD, Vasil ML. Coordinate regulation of siderophore and exotoxin A production: molecular cloning and sequencing of the Pseudomonas aeruginosa fur gene. J Bacteriol. 1993 May; 175(9):2589-98. PMID: 8478325; PMCID: PMC204560.
    97. Shortridge VD, Lazdunski A, Vasil ML. Osmoprotectants and phosphate regulate expression of phospholipase C in Pseudomonas aeruginosa. Mol Microbiol. 1992 Apr; 6(7):863-71. PMID: 1602966.
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    98. Prince RW, Storey DG, Vasil AI, Vasil ML. Regulation of toxA and regA by the Escherichia coli fur gene and identification of a Fur homologue in Pseudomonas aeruginosa PA103 and PA01. Mol Microbiol. 1991 Nov; 5(11):2823-31. PMID: 1779768.
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    99. Shortridge VD, Pato ML, Vasil AI, Vasil ML. Physical mapping of virulence-associated genes in Pseudomonas aeruginosa by transverse alternating-field electrophoresis. Infect Immun. 1991 Oct; 59(10):3596-603. PMID: 1910008; PMCID: PMC258926.
    100. Wolz C, Hellstern E, Haug M, Galloway DR, Vasil ML, Döring G. Pseudomonas aeruginosa LasB mutant constructed by insertional mutagenesis reveals elastolytic activity due to alkaline proteinase and the LasA fragment. Mol Microbiol. 1991 Sep; 5(9):2125-31. PMID: 1766384.
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    101. Ogle JW, Vasil ML. Genetic heterogeneity in strains of Pseudomonas aeruginosa from patients with cystic fibrosis. J Clin Microbiol. 1991 Mar; 29(3):663-5. PMID: 1674747; PMCID: PMC269844.
    102. Anderson DJ, Kuhns JS, Vasil ML, Gerding DN, Janoff EN. DNA fingerprinting by pulsed field gel electrophoresis and ribotyping to distinguish Pseudomonas cepacia isolates from a nosocomial outbreak. J Clin Microbiol. 1991 Mar; 29(3):648-9. PMID: 2037688; PMCID: PMC269838.
    103. Vasil ML, Graham LM, Ostroff RM, Shortridge VD, Vasil AI. Phospholipase C: molecular biology and contribution to the pathogenesis of Pseudomonas aeruginosa. Antibiot Chemother (1971). 1991; 44:34-47. PMID: 1801644.
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    104. Vasil ML, Krieg DP, Kuhns JS, Ogle JW, Shortridge VD, Ostroff RM, Vasil AI. Molecular analysis of hemolytic and phospholipase C activities of Pseudomonas cepacia. Infect Immun. 1990 Dec; 58(12):4020-9. PMID: 2254027; PMCID: PMC313771.
    105. Ostroff RM, Vasil AI, Vasil ML. Molecular comparison of a nonhemolytic and a hemolytic phospholipase C from Pseudomonas aeruginosa. J Bacteriol. 1990 Oct; 172(10):5915-23. PMID: 2120196; PMCID: PMC526912.
    106. Anba J, Bidaud M, Vasil ML, Lazdunski A. Nucleotide sequence of the Pseudomonas aeruginosa phoB gene, the regulatory gene for the phosphate regulon. J Bacteriol. 1990 Aug; 172(8):4685-9. PMID: 2115874; PMCID: PMC213304.
    107. Graham LM, Vasil A, Vasil ML, Voelkel NF, Stenmark KR. Decreased pulmonary vasoreactivity in an animal model of chronic Pseudomonas pneumonia. Am Rev Respir Dis. 1990 Jul; 142(1):221-9. PMID: 2368972.
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    108. Pritchard AE, Vasil ML. Possible insertion sequences in a mosaic genome organization upstream of the exotoxin A gene in Pseudomonas aeruginosa. J Bacteriol. 1990 Apr; 172(4):2020-8. PMID: 2156808; PMCID: PMC208700.
    109. Lindgren V, Ostroff RM, Vasil ML, Wretlind B. Genetic mapping of the structural gene for phospholipase C of Pseudomonas aeruginosa PAO. J Bacteriol. 1990 Feb; 172(2):1155-6. PMID: 2105295; PMCID: PMC208553.
    110. Ostroff RM, Wretlind B, Vasil ML. Mutations in the hemolytic-phospholipase C operon result in decreased virulence of Pseudomonas aeruginosa PAO1 grown under phosphate-limiting conditions. Infect Immun. 1989 May; 57(5):1369-73. PMID: 2496027; PMCID: PMC313284.
    111. Wolz C, Kiosz G, Ogle JW, Vasil ML, Schaad U, Botzenhart K, Döring G. Pseudomonas aeruginosa cross-colonization and persistence in patients with cystic fibrosis. Use of a DNA probe. Epidemiol Infect. 1989 Apr; 102(2):205-14. PMID: 2495226; PMCID: PMC2249438.
    112. Vasil ML, Grant CC, Prince RW. Regulation of exotoxin A synthesis in Pseudomonas aeruginosa: characterization of toxA-lacZ fusions in wild-type and mutant strains. Mol Microbiol. 1989 Mar; 3(3):371-81. PMID: 2501631.
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    113. Ogle JW, Reller LB, Vasil ML. Development of resistance in Pseudomonas aeruginosa to imipenem, norfloxacin, and ciprofloxacin during therapy: proof provided by typing with a DNA probe. J Infect Dis. 1988 Apr; 157(4):743-8. PMID: 3126247.
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    114. Shen BF, Tai PC, Pritchard AE, Vasil ML. Nucleotide sequences and expression in Escherichia coli of the in-phase overlapping Pseudomonas aeruginosa plcR genes. J Bacteriol. 1987 Oct; 169(10):4602-7. PMID: 3115961; PMCID: PMC213828.
    115. Hollsing AE, Granström M, Vasil ML, Wretlind B, Strandvik B. Prospective study of serum antibodies to Pseudomonas aeruginosa exoproteins in cystic fibrosis. J Clin Microbiol. 1987 Oct; 25(10):1868-74. PMID: 3117842; PMCID: PMC269358.
    116. Ostroff RM, Vasil ML. Identification of a new phospholipase C activity by analysis of an insertional mutation in the hemolytic phospholipase C structural gene of Pseudomonas aeruginosa. J Bacteriol. 1987 Oct; 169(10):4597-601. PMID: 2820937; PMCID: PMC213827.
    117. Vasil ML, Ogle JW, Grant CC, Vasil AI. Recombinant DNA approaches to the study of the regulation of virulence factors and epidemiology of Pseudomonas aeruginosa. Antibiot Chemother (1971). 1987; 39:264-78. PMID: 3118789.
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    118. Ogle JW, Janda JM, Woods DE, Vasil ML. Characterization and use of a DNA probe as an epidemiological marker for Pseudomonas aeruginosa. J Infect Dis. 1987 Jan; 155(1):119-26. PMID: 3098862.
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    119. Grant CC, Vasil ML. Analysis of transcription of the exotoxin A gene of Pseudomonas aeruginosa. J Bacteriol. 1986 Dec; 168(3):1112-9. PMID: 2430945; PMCID: PMC213610.
    120. Pritchard AE, Vasil ML. Nucleotide sequence and expression of a phosphate-regulated gene encoding a secreted hemolysin of Pseudomonas aeruginosa. J Bacteriol. 1986 Jul; 167(1):291-8. PMID: 3087958; PMCID: PMC212874.
    121. Vasil ML, Chamberlain C, Grant CC. Molecular studies of Pseudomonas exotoxin A gene. Infect Immun. 1986 May; 52(2):538-48. PMID: 3009329; PMCID: PMC261034.
    122. Vasil ML. Pseudomonas aeruginosa: biology, mechanisms of virulence, epidemiology. J Pediatr. 1986 May; 108(5 Pt 2):800-5. PMID: 3009772.
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    123. Staník J, Vasil M. [Mastitis in dairy cows in large-scale farming operations from the genetic aspect]. Vet Med (Praha). 1986 Jan; 31(1):21-6. PMID: 3083559.
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    124. Granström M, Wretlind B, Markman B, Pavlovskis OR, Vasil ML. Enzyme-linked immunosorbent assay for detection of antibodies to Pseudomonas aeruginosa exoproteins. Eur J Clin Microbiol. 1985 Apr; 4(2):197-200. PMID: 3924608.
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    125. Vasil ML, Berka RM, Gray GL, Pavlovskis OR. Biochemical and genetic studies of iron-regulated (exotoxin A) and phosphate-regulated (hemolysin phospholipase C) virulence factors of Pseudomonas aeruginosa. Antibiot Chemother (1971). 1985; 36:23-39. PMID: 2988425.
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    126. Granström M, Ericsson A, Strandvik B, Wretlind B, Pavlovskis OR, Berka R, Vasil ML. Relation between antibody response to Pseudomonas aeruginosa exoproteins and colonization/infection in patients with cystic fibrosis. Acta Paediatr Scand. 1984 Nov; 73(6):772-7. PMID: 6441448.
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    127. Todd JK, Franco-Buff A, Lawellin DW, Vasil ML. Phenotypic distinctiveness of Staphylococcus aureus strains associated with toxic shock syndrome. Infect Immun. 1984 Aug; 45(2):339-44. PMID: 6378794; PMCID: PMC263226.
    128. Gray GL, Smith DH, Baldridge JS, Harkins RN, Vasil ML, Chen EY, Heyneker HL. Cloning, nucleotide sequence, and expression in Escherichia coli of the exotoxin A structural gene of Pseudomonas aeruginosa. Proc Natl Acad Sci U S A. 1984 May; 81(9):2645-9. PMID: 6201861; PMCID: PMC345126.
    129. Blaser MJ, Hopkins JA, Vasil ML. Campylobacter jejuni outer membrane proteins are antigenic for humans. Infect Immun. 1984 Mar; 43(3):986-93. PMID: 6365789; PMCID: PMC264282.
    130. Blaser MJ, Hopkins JA, Berka RM, Vasil ML, Wang WL. Identification and characterization of Campylobacter jejuni outer membrane proteins. Infect Immun. 1983 Oct; 42(1):276-84. PMID: 6618667; PMCID: PMC264555.
    131. Vasil ML, Berka RM, Gray GL, Nakai H. Cloning of a phosphate-regulated hemolysin gene (phospholipase C) from Pseudomonas aeruginosa. J Bacteriol. 1982 Oct; 152(1):431-40. PMID: 6811559; PMCID: PMC221435.
    132. Berka RM, Vasil ML. Phospholipase C (heat-labile hemolysin) of Pseudomonas aeruginosa: purification and preliminary characterization. J Bacteriol. 1982 Oct; 152(1):239-45. PMID: 6811552; PMCID: PMC221397.
    133. Gray GL, Berka RM, Vasil ML. Phospholipase C regulatory mutation of Pseudomonas aeruginosa that results in constitutive synthesis of several phosphate-repressible proteins. J Bacteriol. 1982 Jun; 150(3):1221-6. PMID: 6804440; PMCID: PMC216343.
    134. Meyers SM, Rodrigues M, Vasil ML. Fundus lesions after carotid injection of Streptococcus mutans in monkeys. Infect Immun. 1982 Mar; 35(3):1079-85. PMID: 7068211; PMCID: PMC351157.
    135. Meyers SM, Vasil ML, Yamamoto L. Pathologic mechanisms of multifocal choroiditis with retinal detachment after carotid injection of Streptococcus mutans and other bacteria in dogs. Invest Ophthalmol Vis Sci. 1982 Feb; 22(2):165-73. PMID: 7056631.
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    136. Berka RM, Gray GL, Vasil ML. Studies of phospholipase C (heat-labile hemolysin) in Pseudomonas aeruginosa. Infect Immun. 1981 Dec; 34(3):1071-4. PMID: 6800952; PMCID: PMC350978.
    137. Hartmann D, Entringer M, Robinson WA, Vasil M, Drebing C, Morton N, True L. [Bacterial infection and the regulation of in vivo granulopoiesis]. Schweiz Med Wochenschr. 1981 Oct 10; 111(41):1531-3. PMID: 7031871.
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    138. Hartmann DW, Entringer MA, Robinson WA, Vasil ML, Drebing CJ, Morton NJ, True L. Regulation of granulopoiesis and distribution of granulocytes in early phase of bacterial infection. J Cell Physiol. 1981 Oct; 109(1):17-24. PMID: 7035470.
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    139. Gray GL, Berka RM, Vasil ML. A Pseudomonas aeruginosa mutant non-derepressible for orthophosphate-regulated proteins. J Bacteriol. 1981 Aug; 147(2):675-8. PMID: 6790519; PMCID: PMC216089.
    140. Gray GL, Vasil ML. Isolation and genetic characterization of toxin-deficient mutants of Pseudomonas aeruginosa PAO. J Bacteriol. 1981 Aug; 147(2):275-81. PMID: 6790513; PMCID: PMC216042.
    141. Hartmann D, Entringer MA, Vasil M, Robinson WA. The effect of bacterial infection on granulopoiesis. Proc Soc Exp Biol Med. 1981 May; 167(1):6-11. PMID: 7015352.
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    142. Gray GL, Vasil ML. Mapping of a gene controlling the production of phospholipase C and alkaline phosphatase in Pseudomonas aeruginosa. Mol Gen Genet. 1981; 183(2):403-5. PMID: 6799746.
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    143. Hartmann DW, Entringer MA, Vasil ML, Robinson WA. Relationship between colony stimulating factor (CSF) and colony forming unit in culture (CFUc) in nonimmunized and immunized C57/Bl mice infected with Escherichia coli. Exp Hematol. 1980 Nov; 8(10):1222-31. PMID: 7014235.
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    144. Meyers SM, Vasil ML. Septic choroiditis with serous retinal detachment in Streptococcus mutans-injected dogs. Infect Immun. 1980 Aug; 29(2):714-8. PMID: 7216435; PMCID: PMC551184.
    145. Vasil M. [Studies of microclimatic factors in high capacity cow barns in relation to the occurrence of mastitis in dairy cows]. Vet Med (Praha). 1980 Jun; 25(6):321-8. PMID: 6773219.
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    146. Vasil ML, Iglewski BH. Comparative toxicities of diphtherial toxin and Pseudomonas aeruginosa exotoxin A: evidence for different cell receptors. J Gen Microbiol. 1978 Oct; 108(2):333-7. PMID: 102734.
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    147. Baine WB, Vasil ML, Holmes RK. Genetic mapping of mutations in independently isolated nontoxinogenic mutants of Vibrio cholerae. Infect Immun. 1978 Jul; 21(1):194-200. PMID: 711315; PMCID: PMC421976.
    148. Bjorn MJ, Iglewski BH, Ives SK, Sadoff JC, Vasil ML. Effect of iron on yields of exotoxin A in cultures of Pseudomonas aeruginosa PA-103. Infect Immun. 1978 Mar; 19(3):785-91. PMID: 417030; PMCID: PMC422257.
    149. Holmes RK, Baine WB, Vasil ML. Quantitative measurements of cholera enterotoxin in cultures of toxinogenic wild-type and nontoxinogenic mutant strains of Vibrio cholerae by using a sensitive and specific reversed passive hemagglutination assay for cholera enerotoxin. Infect Immun. 1978 Jan; 19(1):101-6. PMID: 624584; PMCID: PMC414054.
    150. Bjorn MJ, Vasil ML, Sadoff JC, Iglewski BH. Incidence of exotoxin production by Pseudomonas species. Infect Immun. 1977 Apr; 16(1):362-6. PMID: 68931; PMCID: PMC421529.
    151. Vasil ML, Kabat D, Iglewski BH. Structure-activity relationships of an exotoxin of Pseudomonas aeruginosa. Infect Immun. 1977 Apr; 16(1):353-61. PMID: 406204; PMCID: PMC421528.
    152. Vasil ML, Liu PV, Iglewski BH. Temperature-dependent inactivating factor of Pseudomonas aeruginosa exotoxin A. Infect Immun. 1976 May; 13(5):1467-72. PMID: 178606; PMCID: PMC420782.
    153. Finkelstein RA, LaRue MK, Johnston DW, Vasil ML, Cho GJ, Jones JR. Isolation and properties of heat-labile enterotoxin(s) from enterotoxigenic Escherichia coli. J Infect Dis. 1976 Mar; 133 Suppl:120-37. PMID: 768386.
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    154. Finkelstein RA, Vasil ML, Jones JR, Anderson RA, Barnard T. Clinical cholera caused by enterotoxigenic Escherichia coli. J Clin Microbiol. 1976 Mar; 3(3):382-4. PMID: 773963; PMCID: PMC274305.
    155. Vasil ML, Holmes RK, Finkelstein RA. Conjugal transfer of a chromosomal gene determining production of enterotoxin in vibrio cholerae. Science. 1975 Mar 07; 187(4179):849-50. PMID: 1114331.
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    156. Holmes RK, Vasil ML, Finkelstein RA. Studies on toxinogenesis in Vibrio cholerae. III. Characterization of nontoxinogenic mutants in vitro and in experimental animals. J Clin Invest. 1975 Mar; 55(3):551-60. PMID: 803978; PMCID: PMC301783.
    157. Finkelstein RA, Vasil ML, Holmes RK. Studies on toxinogenesis in Vibrio cholerae. I. Isolation of mutants with altered toxinogenicity. J Infect Dis. 1974 Feb; 129(2):117-23. PMID: 4129825.
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    158. Vasil ML, Holmes RK, Finkelstein RA. Studies on toxinogenesis in Vibrio cholerae. II. An vitro test for enterotoxin production. Infect Immun. 1974 Jan; 9(1):195-7. PMID: 4587384; PMCID: PMC414785.
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