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168 related items for PubMed ID: 9660980

  • 1. Selection and characterization of beta-lactam-beta-lactamase inactivator-resistant mutants following PCR mutagenesis of the TEM-1 beta-lactamase gene.
    Vakulenko SB, Geryk B, Kotra LP, Mobashery S, Lerner SA.
    Antimicrob Agents Chemother; 1998 Jul; 42(7):1542-8. PubMed ID: 9660980
    [Abstract] [Full Text] [Related]

  • 2. X-ray structure of the Asn276Asp variant of the Escherichia coli TEM-1 beta-lactamase: direct observation of electrostatic modulation in resistance to inactivation by clavulanic acid.
    Swarén P, Golemi D, Cabantous S, Bulychev A, Maveyraud L, Mobashery S, Samama JP.
    Biochemistry; 1999 Jul 27; 38(30):9570-6. PubMed ID: 10423234
    [Abstract] [Full Text] [Related]

  • 3. Tazobactam is a potent inactivator of selected inhibitor-resistant class A beta-lactamases.
    Bonomo RA, Rudin SA, Shlaes DM.
    FEMS Microbiol Lett; 1997 Mar 01; 148(1):59-62. PubMed ID: 9066111
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  • 4. Aspartic acid for asparagine substitution at position 276 reduces susceptibility to mechanism-based inhibitors in SHV-1 and SHV-5 beta-lactamases.
    Giakkoupi P, Tzelepi E, Legakis NJ, Tzouvelekis LS.
    J Antimicrob Chemother; 1999 Jan 01; 43(1):23-9. PubMed ID: 10381097
    [Abstract] [Full Text] [Related]

  • 5. Construction and characterization of mutants of the TEM-1 beta-lactamase containing amino acid substitutions associated with both extended-spectrum resistance and resistance to beta-lactamase inhibitors.
    Stapleton PD, Shannon KP, French GL.
    Antimicrob Agents Chemother; 1999 Aug 01; 43(8):1881-7. PubMed ID: 10428907
    [Abstract] [Full Text] [Related]

  • 6. Phenotypic study of resistance of beta-lactamase-inhibitor-resistant TEM enzymes which differ by naturally occurring variations and by site-directed substitution at Asp276.
    Caniça MM, Caroff N, Barthélémy M, Labia R, Krishnamoorthy R, Paul G, Dupret JM.
    Antimicrob Agents Chemother; 1998 Jun 01; 42(6):1323-8. PubMed ID: 9624468
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  • 10. Overcoming resistance to beta-lactamase inhibitors: comparing sulbactam to novel inhibitors against clavulanate resistant SHV enzymes with substitutions at Ambler position 244.
    Thomson JM, Distler AM, Bonomo RA.
    Biochemistry; 2007 Oct 09; 46(40):11361-8. PubMed ID: 17848099
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  • 12. Substitutions at position 105 in SHV family β-lactamases decrease catalytic efficiency and cause inhibitor resistance.
    Li M, Conklin BC, Taracila MA, Hutton RA, Skalweit MJ.
    Antimicrob Agents Chemother; 2012 Nov 09; 56(11):5678-86. PubMed ID: 22908166
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  • 13. Ampicillin-sulbactam and amoxicillin-clavulanate susceptibility testing of Escherichia coli isolates with different beta-lactam resistance phenotypes.
    Oliver A, Pérez-Vázquez M, Martínez-Ferrer M, Baquero F, De Rafael L, Cantón R.
    Antimicrob Agents Chemother; 1999 Apr 09; 43(4):862-7. PubMed ID: 10103192
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  • 14. Hyperproduction of inhibitor-susceptible TEM beta-lactamase is responsible for resistance of Serratia marcescens to beta-lactam-beta-lactamase inhibitor combinations.
    Zhao WH, Hu ZQ, Chen G, Ito R, Shimamura T.
    Chemotherapy; 2008 Apr 09; 54(1):31-7. PubMed ID: 18063864
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  • 15. Understanding resistance to beta-lactams and beta-lactamase inhibitors in the SHV beta-lactamase: lessons from the mutagenesis of SER-130.
    Helfand MS, Bethel CR, Hujer AM, Hujer KM, Anderson VE, Bonomo RA.
    J Biol Chem; 2003 Dec 26; 278(52):52724-9. PubMed ID: 14534312
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  • 16. Variants of β-lactamase KPC-2 that are resistant to inhibition by avibactam.
    Papp-Wallace KM, Winkler ML, Taracila MA, Bonomo RA.
    Antimicrob Agents Chemother; 2015 Jul 26; 59(7):3710-7. PubMed ID: 25666153
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  • 17. Reversal of clavulanate resistance conferred by a Ser-244 mutant of TEM-1 beta-lactamase as a result of a second mutation (Arg to Ser at position 164) that enhances activity against ceftazidime.
    Imtiaz U, Manavathu EK, Mobashery S, Lerner SA.
    Antimicrob Agents Chemother; 1994 May 26; 38(5):1134-9. PubMed ID: 8067751
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  • 18. Clavulanic acid inactivation of SHV-1 and the inhibitor-resistant S130G SHV-1 beta-lactamase. Insights into the mechanism of inhibition.
    Sulton D, Pagan-Rodriguez D, Zhou X, Liu Y, Hujer AM, Bethel CR, Helfand MS, Thomson JM, Anderson VE, Buynak JD, Ng LM, Bonomo RA.
    J Biol Chem; 2005 Oct 21; 280(42):35528-36. PubMed ID: 15987690
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  • 19. Substitution of Met-69 by Ala or Gly in TEM-1 beta-lactamase confer an increased susceptibility to clavulanic acid and other inhibitors.
    Madec S, Blin C, Krishnamoorthy R, Picard B, Chaibi el B, Fouchereau-Péron M, Labia R.
    FEMS Microbiol Lett; 2002 May 21; 211(1):13-6. PubMed ID: 12052544
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  • 20. Clinical isolates of Escherichia coli producing multiple TEM mutants resistant to beta-lactamase inhibitors.
    Sirot D, Chanal C, Henquell C, Labia R, Sirot J, Cluzel R.
    J Antimicrob Chemother; 1994 Jun 21; 33(6):1117-26. PubMed ID: 7928805
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