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1 k(cat)/K(m) against "poor" substrates (i.e., cefotaxime).
2 tants with greatly improved activity against cefotaxime.
3  Streptococcus pneumoniae to ceftriaxone and cefotaxime.
4  activity against the beta-lactam antibiotic cefotaxime.
5 e diarrhoea associated with increased use of cefotaxime.
6  and the majority of patients never received cefotaxime.
7 6A Toho-1 beta-lactamase with the antibiotic cefotaxime.
8 ch residues for the cephalosporin antibiotic cefotaxime.
9  populations correlate with activity against cefotaxime.
10 y in addition to amoxicillin, ampicillin and cefotaxime.
11 ling cephalosporins, such as Ceftriaxone and Cefotaxime.
12  confers resistance to ampicillin but not to cefotaxime.
13  in resistance to the beta-lactam antibiotic cefotaxime.
14 yzed by ESBLs in a manner similar to that of cefotaxime.
15  and the SHV-18-producing K. pneumoniae with cefotaxime.
16 rmediate and the transition to E' induced by cefotaxime.
17 te a transition state analog for turnover of cefotaxime.
18 25-2 microg/mL and reduced susceptibility to cefotaxime.
19 s with improved resistance to the antibiotic cefotaxime.
20 loramphenicol (5.7%), meropenem (16.6%), and cefotaxime (11.8%).
21 f bacterial resistance to the combination of cefotaxime/13a.
22 bited a minimum inhibitory concentration for cefotaxime 20,000-fold higher than wild-type TEM-1 and a
23 ere cleared of infection when treated with a cefotaxime:5 combination.
24  10,777 nonmeningeal isolates tested against cefotaxime, 79.2% were susceptible, 14.3% were intermedi
25 icrodilution method with ceftazidime (86) or cefotaxime (91) alone or in combination with clavulanate
26 ssing wild-type HipA were highly tolerant to cefotaxime, a cell wall synthesis inhibitor, to ofloxaci
27 onfirm our models' prediction that increased cefotaxime activity correlates with reduced Omega-loop f
28                           Kinetic studies of cefotaxime acylation of the two PBP2x proteins confirmed
29 ces the bactericidal activity of Ceftriaxone/Cefotaxime against highly pathogenic MRSA infection.
30                                      Whereas cefotaxime alone failed to cure mice infected with beta-
31 entration neither Inh2-B1 nor Ceftriaxone or Cefotaxime alone was able to inhibit the growth of bacte
32 orized 111 of 138 isolates as susceptible to cefotaxime and 114 of 138 as susceptible to ceftriaxone.
33 etive category errors ranged from 12.2% with cefotaxime and 9.8% with ceftriaxone (due mainly to clus
34 ction reliably detect these isolates if both cefotaxime and ceftazidime are tested, but only about ha
35 croScan Neg MIC panel type 32) that included cefotaxime and ceftazidime tested alone or with a fixed
36  to third-generation cephalosporins, such as cefotaxime and ceftazidime, increasing hospital mortalit
37 enzyme for the extended-spectrum antibiotics cefotaxime and ceftazidime.
38 inactivate, oxyimino-cephalosporins, such as cefotaxime and ceftazidime.
39 lyze third-generation cephalosporins such as cefotaxime and ceftazidime.
40                        Minor error rates for cefotaxime and ceftriaxone ranged from a low of 12.7% (E
41 m in diameter are predictably susceptible to cefotaxime and ceftriaxone, and those with smaller zones
42 orized 101 of 138 isolates as susceptible to cefotaxime and ceftriaxone.
43 eta-lactam antibiotics containing hydrolyzed cefotaxime and faropenem.
44 alosporin with the gram-positive activity of cefotaxime and the gram-negative spectrum of ceftazidime
45 preterm infants demonstrates that meropenem, cefotaxime and ticarcillin-clavulanate are associated wi
46 mpicillin, and cefotaxime, Escherichia coli, cefotaxime, and cefepime, Pseudomonas aeruginosa, pipera
47 isolates of K. oxytoca, MICs of ceftazidime, cefotaxime, and ceftizoxime were elevated for strains pr
48 parenteral cephalosporins, such as cefepime, cefotaxime, and ceftriaxone, by 9.1 to 13.0%, bringing t
49 ommended interpretive criteria, ceftriaxone, cefotaxime, and ciprofloxacin had 100% categorical agree
50 istance to penicillin (MIC, 1 microgram/ml), cefotaxime, and co-trimoxazole was common.
51 isolates was resistant to tetracycline, SXT, cefotaxime, and extremely high levels of penicillin and
52 All isolates were susceptible to penicillin, cefotaxime, and levofloxacin.
53 tive E. coli isolates that were resistant to cefotaxime, and sequence analysis confirmed that these p
54 early as high a risk of causing diarrhoea as cefotaxime, and the majority of patients never received
55                                              Cefotaxime- and ceftriaxone-resistant Streptococcus pneu
56 ts, while the requirements for hydrolysis of cefotaxime are more relaxed.
57  the other hand, however, the K(i) value for cefotaxime as an inhibitor of cephalothin hydrolysis is
58 with a general growth advantage, not only on cefotaxime but also on several other antibiotics that an
59 a K(i) value of 89 nM and reduced the MIC of cefotaxime by 64-fold in CTX-M-9 expressing Escherichia
60 Of the 21 isolates, 3 showed a CA effect for cefotaxime by BMD but not by disk diffusion testing.
61  were intermediate, and 22 were resistant to cefotaxime by MIC testing; 138 isolates were susceptible
62 is suggested that the first few turnovers of cefotaxime by the P99 beta-lactamase may be different fr
63 e, steady state parameters for hydrolysis of cefotaxime by this enzyme are as follows: k(cat) = 0.41
64 ses to 1 or more of ceftriaxone, cefuroxime, cefotaxime, cefepime, cefodizime, and ceftazidime; group
65  microdilution methodology with ceftazidime, cefotaxime, cefepime, cefpodoxime, and aztreonam.
66 picillin-sulbactam, ticarcillin-clavulanate, cefotaxime, cefotetan, ceftriaxone, cefoxitin, and imipe
67 methodology for susceptibility to aztreonam, cefotaxime, ceftazidime, and cefoxitin.
68 es were subjected to cefazolin, ceftriaxone, cefotaxime, ceftazidime, cefepime, and aztreonam agar di
69 cs containing an oxyimino group (cefuroxime, cefotaxime, ceftriaxone, ceftazidime, or aztreonam) was
70    The isolates had low MICs to amoxicillin, cefotaxime, ceftriaxone, doxycycline, linezolid, meropen
71 nly" interpretive criteria were proposed for cefotaxime, ceftriaxone, meropenem, azithromycin, and mi
72 e isolates for which the MIC of ceftazidime, cefotaxime, ceftriaxone, or aztreonam was >or=2 microg/m
73 isolates (all E. coli) tested susceptible to cefotaxime, ceftriaxone, or ceftazidime.
74 ose generated by the inhibitory beta-lactams cefotaxime, cefuroxime, and cefoxitin.
75 and was selected for increased resistance to cefotaxime, cefuroxime, ceftazadime, and aztreonam, i.e.
76 were susceptible to penicillin, amoxicillin, cefotaxime, cefuroxime, erythromycin, chloramphenicol, v
77 he improved activity against ceftazidime and cefotaxime, consistent with observations first made for
78 buted most to the loss rate of CFX, CFD, and cefotaxime (CTX) (t(1/2) = 4.5, 5.3, and 1.3 h, respecti
79 nhibitors able to potentiate the activity of cefotaxime (CTX) and ceftazidime (CAZ) against resistant
80 lenge isolates were tested against cefepime, cefotaxime (CTX), ceftriaxone (CTR), clindamycin (CLI),
81 tential ESBL producers (ceftazidime [CAZ] or cefotaxime [CTX] MICs were > or =2 microg/ml for all iso
82 sitive; i.e., the BMD MICs of ceftazidime or cefotaxime decreased by >/=3 doubling dilutions in the p
83 s increased by >/=5 mm around ceftazidime or cefotaxime disks in the presence of CA.
84 g ESBL production, and both were superior to cefotaxime disks.
85 ory Standards criteria was lowest (24%) with cefotaxime disks.
86 e, Streptococcus agalactiae, ampicillin, and cefotaxime, Escherichia coli, cefotaxime, and cefepime,
87 niae isolates susceptible to ceftriaxone and cefotaxime from those that are not susceptible.
88  penicillin (from 21 percent to 25 percent), cefotaxime (from 10 percent to 15 percent), meropenem (f
89 r221, thus explaining the increased level of cefotaxime hydrolysis.
90 mpicillin hydrolysis than one that catalyzes cefotaxime hydrolysis.
91 o Escherichia coli resistance to ampicillin, cefotaxime, imipenem or cephaloridine.
92 ed included cefoxitin-piperacillin, imipenem-cefotaxime, imipenem-ceftazidime, imipenem-piperacillin-
93 n TEM-1 towards resistance on the antibiotic cefotaxime in an Escherichia coli strain with a high mis
94 ld increased activity against the antibiotic cefotaxime in enzyme assays, and the mutant enzymes all
95 a micromolar concentration of Ceftriaxone or Cefotaxime in the presence of Inh2-B1.
96 d their populations predict activity against cefotaxime in vitro and in vivo.
97 ations of ten MBL variants in complex with a cefotaxime intermediate.
98    Overall, the new M100-S12 ceftriaxone and cefotaxime interpretative breakpoints for nonmeningeal i
99                 In the WT beta-lactamase the cefotaxime-like side chain is crowded against the Omega
100 , cefepime (VM error, 6.2%; m error, 13.0%), cefotaxime (m error, 21.2%), ceftriaxone (m error, 23.3%
101 t in January 2002 introduced ceftriaxone and cefotaxime MIC interpretative breakpoints of < or =1 mic
102           For a ceftazidime, ceftriaxone, or cefotaxime MIC of > or =2 microg/ml, a dichotomy existed
103 alothin analogue lowered the ceftazidime and cefotaxime minimum inhibitory concentrations (MICs) of E
104 had reduced susceptibilities to ceftriaxone, cefotaxime, minocycline, and ciprofloxacin.
105 PenI demonstrates the highest kcat value for cefotaxime of 9.0 +/- 0.9 s(-1).
106 g in some medical centers, but 30-micrograms cefotaxime or 30-micrograms ceftriaxone disks are not re
107 en bonding to oximino cephalosporins such as cefotaxime or ceftazidime.
108 itidis, or H. influenzae in combination with cefotaxime or ceftriaxone.
109 e mutant proteins did not protect cells from cefotaxime or ofloxacin and had an impaired ability to p
110 occi (MICs >/=1 microgram/mL for penicillin, cefotaxime, or both).
111 = 3 x 10(-4) s(-1)) as compared with that of cefotaxime-PBP2x complex (3.5 x 10(-6) s(-1)).
112 cement of the deacylation rate was found for cefotaxime-PBP2x(R) complex (k(3) = 3 x 10(-4) s(-1)) as
113 rfold increase in resistance to methicillin, cefotaxime, penicillin G, and nafcillin.
114 d hydrolysis of nitrocefin, cephalothin, and cefotaxime relative to IMP-1.
115                               Interestingly, cefotaxime resistance emerges from mutations that are ne
116    Six of eight predicted mutations decrease cefotaxime resistance greater than 2-fold, while only on
117 her in cell culture, this inhibitor reversed cefotaxime resistance in CTX-M-producing bacteria.
118   As expected, one plasmid evolved increased cefotaxime resistance when appropriately strong cefotaxi
119  favor the divergence of one copy to improve cefotaxime resistance while maintaining the other copy t
120 picillin resistance) and for a new function (cefotaxime resistance).
121                       Point mutations confer cefotaxime resistance, but they compromise ampicillin re
122 stitute an adaptive path in the evolution of cefotaxime resistance.
123                      Hosts carrying both the cefotaxime-resistant and wild-type plasmids were then su
124                  In total, 78 (13%, n = 590) cefotaxime-resistant isolates were obtained, of which 66
125                                 However, the cefotaxime-resistant plasmid maintained sufficient ampic
126 ngitis due to penicillin-, ceftriaxone-, and cefotaxime-resistant Streptococcus pneumoniae is describ
127 otaxime resistance when appropriately strong cefotaxime selection was applied.
128 tion model, and that taking antibiotics like cefotaxime should be thought of as a population rather t
129 oncentration (MIC) values to methicillin and cefotaxime showed increased rates of cell wall turnover
130       During the binding and turnover of the cefotaxime substrate by this ES enzyme, it is proposed t
131                     Steady state turnover of cefotaxime then largely involved E' as the free enzyme f
132 t of the initial enzyme form, E, which bound cefotaxime tightly, with a second more weakly binding fo
133    Analysis indicated that only two to three cefotaxime turnovers occurred during the K(i) determinat
134 and chemotherapy with antineoplastic agents, cefotaxime, vancomycin, and ceftazidime.
135 e acyl enzyme adducts with cephaloridine and cefotaxime was confirmed by both electrospray and MALDI
136 ctams (including amoxicillin-clavulanate and cefotaxime) were isolated from scouring calves.
137 hin, cefaclor, cefuroxime, cefoperazone, and cefotaxime) were isolated, and the MBL variants were cha
138 lysis of the third generation cephalosporin, cefotaxime, which is hydrolyzed by the cp228 enzyme 10-f
139 -lactam antibiotics such as penicillin-G and cefotaxime with normal, penicillin-susceptible PBP2x fro

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