Page last updated: 2024-08-17

cephaloridine and cefoxitin

cephaloridine has been researched along with cefoxitin in 42 studies

Research

Studies (42)

TimeframeStudies, this research(%)All Research%
pre-199022 (52.38)18.7374
1990's1 (2.38)18.2507
2000's10 (23.81)29.6817
2010's9 (21.43)24.3611
2020's0 (0.00)2.80

Authors

AuthorsStudies
Arlet, G; Loli, A; Miriagou, V; Papagiannitsis, CC; Tzelepi, E; Tzouvelekis, LS1
Girlich, D; Leclercq, R; Naas, T; Nordmann, P1
Courvalin, P; Decré, D; Høiby, EA; Meziane-Cherif, D; Périchon, B1
Lombardo, F; Obach, RS; Waters, NJ1
Castanheira, M; Samuelsen, Ø; Spencer, J; Walsh, TR1
Kanamori, M; Kirikae, T; Kitao, T; Miyoshi-Akiyama, T; Morita, K; Okazaki, M; Sekiguchi, J; Watanabe, N1
Galleni, M; Mammeri, H; Nordmann, P1
Kotsakis, SD; Miriagou, V; Tzelepi, E; Tzouvelekis, LS; Whichard, JM; Zioga, A1
Bauernfeind, A; Keuleyan, E; Markova, B; Markovska, R; Queenan, AM; Schneider, I1
De Luca, F; Delmarcelle, M; Docquier, JD; Dubus, A; Frère, JM; Nacoulma, OG; Rossolini, GM; Simporé, J; Zeba, B1
De Luca, F; Docquier, JD; Ide, L; Nordmann, P; Poirel, L; Rossolini, GM; Verlinde, A1
Girlich, D; Nordmann, P; Poirel, L1
De Luca, F; Docquier, JD; Fosse, T; Giraud-Morin, C; Rossolini, GM1
Nordmann, P; Poirel, L; Rodríguez-Martínez, JM; Ronco, E1
Fisk, L; Greene, N; Naven, RT; Note, RR; Patel, ML; Pelletier, DJ1
Eb, F; Guillon, H; Mammeri, H; Nordmann, P1
Ekins, S; Williams, AJ; Xu, JJ1
Ishii, Y; Matsuzawa, H; Mura, K; Oishi, M; Sakai, H; Shimizu-Ibuka, A; Yamada, S1
Anderson, KC; Kellogg, GE; Sarkar, A1
Phillips, I; Shannon, K1
Brorson, JE; Holm, SE; Norrby, R; Rylander, M1
Brogard, JM; Comte, F; Pinget, M1
Farrar, WE; O'Dell, NM1
Peretz, J; Sacks, T; Yeivin, R1
Bentfeld, G; Schassan, HH1
Wise, R1
Cornelis, G1
Schoutens, E; Yourassowsky, E1
Greene, DS; Nightingale, CH; Quintiliani, R1
Brorsson, JE; Norrby, R; Seeberg, S1
Washington, JA1
Figini, G; Germiniani, R; Mastropasqua, E; Mauri, J; Rosina, M1
Furuhama, K; Onodera, T1
Desjarlais, F; Letellier, G1
Brenciaglia, MI; Cipriani, P; Filadoro, F; Ghezzi, MC; Giordano, A; Mancini, C; Rivanera, D1
Concia, E; Marino, P; Marone, P; Verani, D1
Barnham, M; Husband, P1
Armengaud, M; Barza, M; Cherubin, CE; Corrado, ML; Landesman, SH; Shah, PM1
Marques, LR; Pereira da Silva Almada, N; Trabulsi, LR1
Weinstein, AJ1
Ando-Kuroda, I; Murata, T; Sawai, T; Yamagishi, S1
Frère, JM; Guillaume, G; Jamin, M; Joris, B; Lamotte-Brasseur, J; Ledent, P; Vanhove, M1

Reviews

4 review(s) available for cephaloridine and cefoxitin

ArticleYear
Pharmacokinetics of cephalosporin antibiotics.
    Antibiotics and chemotherapy, 1978, Volume: 25

    Topics: Cefamandole; Cefatrizine; Cefazolin; Cefoxitin; Cephacetrile; Cephalexin; Cephaloglycin; Cephaloridine; Cephalosporins; Cephalothin; Cephapirin; Cephradine; Humans; Intestinal Absorption; Kinetics

1978
Pharmacokinetics and clinical use of cephalosporin antibiotics.
    Journal of pharmaceutical sciences, 1975, Volume: 64, Issue:12

    Topics: Administration, Oral; Cefazolin; Cefoxitin; Central Nervous System Diseases; Cephacetrile; Cephalexin; Cephaloglycin; Cephaloridine; Cephalosporins; Cephalothin; Cephapirin; Cephradine; Gastrointestinal Diseases; Humans; Infusions, Parenteral; Kinetics; Lung Diseases; Urinary Tract Infections

1975
Past and current roles for cephalosporin antibiotics in treatment of meningitis. Emphasis on use in gram-negative bacillary meningitis.
    The American journal of medicine, 1981, Volume: 71, Issue:4

    Topics: Adolescent; Adult; Aged; Bacterial Infections; Blood-Brain Barrier; Cefamandole; Cefotaxime; Cefoxitin; Cephaloridine; Cephalosporins; Cephalothin; Cephamycins; Child, Preschool; Enterobacteriaceae; Female; Humans; Infant; Infant, Newborn; Male; Meningitis; Middle Aged; Moxalactam; Pseudomonas aeruginosa

1981
The cephalosporins: activity and clinical use.
    Drugs, 1980, Volume: 20, Issue:2

    Topics: Cefaclor; Cefamandole; Cefatrizine; Cefazolin; Cefoxitin; Cefuroxime; Cephacetrile; Cephalexin; Cephaloglycin; Cephaloridine; Cephalosporins; Cephalothin; Cephapirin; Drug Hypersensitivity; Humans; Kidney Diseases

1980

Other Studies

38 other study(ies) available for cephaloridine and cefoxitin

ArticleYear
SCO-1, a novel plasmid-mediated class A beta-lactamase with carbenicillinase characteristics from Escherichia coli.
    Antimicrobial agents and chemotherapy, 2007, Volume: 51, Issue:6

    Topics: Amino Acid Sequence; Anti-Bacterial Agents; beta-Lactam Resistance; beta-Lactamases; beta-Lactams; Escherichia coli; Humans; Microbial Sensitivity Tests; Molecular Sequence Data; Penicillinase; Plasmids; Sequence Analysis, DNA

2007
Molecular and biochemical characterization of the chromosome-encoded class A beta-lactamase BCL-1 from Bacillus clausii.
    Antimicrobial agents and chemotherapy, 2007, Volume: 51, Issue:11

    Topics: Amino Acid Sequence; Bacillus; Bacterial Proteins; beta-Lactamases; Chromosome Mapping; Chromosomes, Bacterial; Cloning, Molecular; Microbial Sensitivity Tests; Molecular Sequence Data; Molecular Weight; Sequence Homology, Amino Acid; Substrate Specificity

2007
Genetic and biochemical characterization of CAD-1, a chromosomally encoded new class A penicillinase from Carnobacterium divergens.
    Antimicrobial agents and chemotherapy, 2008, Volume: 52, Issue:2

    Topics: Amino Acid Sequence; beta-Lactams; Chromosomes, Bacterial; Cloning, Molecular; Electrophoresis, Gel, Pulsed-Field; Gram-Positive Bacteria; Gram-Positive Bacterial Infections; Humans; Infant, Newborn; Kinetics; Microbial Sensitivity Tests; Molecular Sequence Data; Penicillin Resistance; Penicillinase; Sequence Alignment; Sequence Analysis, DNA; Substrate Specificity

2008
Trend analysis of a database of intravenous pharmacokinetic parameters in humans for 670 drug compounds.
    Drug metabolism and disposition: the biological fate of chemicals, 2008, Volume: 36, Issue:7

    Topics: Blood Proteins; Half-Life; Humans; Hydrogen Bonding; Infusions, Intravenous; Pharmacokinetics; Protein Binding

2008
Kinetic characterization of VIM-7, a divergent member of the VIM metallo-beta-lactamase family.
    Antimicrobial agents and chemotherapy, 2008, Volume: 52, Issue:8

    Topics: Acremonium; Bacterial Proteins; beta-Lactamases; Catalysis; Catalytic Domain; Cefepime; Ceftazidime; Cephalosporins; Kinetics; Models, Molecular; Mutation; Penicillinase; Protein Structure, Tertiary; Recombinant Proteins; Structure-Activity Relationship; Substrate Specificity

2008
KHM-1, a novel plasmid-mediated metallo-beta-lactamase from a Citrobacter freundii clinical isolate.
    Antimicrobial agents and chemotherapy, 2008, Volume: 52, Issue:11

    Topics: Amino Acid Sequence; Base Sequence; beta-Lactam Resistance; beta-Lactamases; Citrobacter freundii; Conjugation, Genetic; DNA Primers; DNA, Bacterial; Enterobacteriaceae Infections; Escherichia coli K12; Genes, Bacterial; Humans; Microbial Sensitivity Tests; Molecular Sequence Data; Phylogeny; Plasmids; Recombinant Proteins; Sequence Homology, Amino Acid

2008
Role of the Ser-287-Asn replacement in the hydrolysis spectrum extension of AmpC beta-lactamases in Escherichia coli.
    Antimicrobial agents and chemotherapy, 2009, Volume: 53, Issue:1

    Topics: Asparagine; Bacterial Proteins; beta-Lactamases; Cephalosporins; Escherichia coli; Escherichia coli Proteins; Hydrolysis; Microbial Sensitivity Tests; Models, Molecular; Mutagenesis, Site-Directed; Protein Structure, Secondary; Serine

2009
CMY-31 and CMY-36 cephalosporinases encoded by ColE1-like plasmids.
    Antimicrobial agents and chemotherapy, 2009, Volume: 53, Issue:3

    Topics: Alleles; Amino Acid Sequence; Amino Acid Substitution; Arginine; Base Sequence; beta-Lactamase Inhibitors; beta-Lactamases; Cephalosporinase; Citrobacter freundii; Cysteine; DNA Transposable Elements; DNA, Bacterial; Escherichia coli; Genes, Bacterial; Glutamine; Humans; Hydrolysis; Inhibitory Concentration 50; Isoelectric Point; Kinetics; Klebsiella pneumoniae; Microbial Sensitivity Tests; Models, Genetic; Models, Molecular; Molecular Sequence Data; Plasmids; Salmonella enterica; Sequence Analysis, DNA; Species Specificity; Substrate Specificity; Transformation, Genetic

2009
New variant of CTX-M-type extended-spectrum beta-lactamases, CTX-M-71, with a Gly238Cys substitution in a Klebsiella pneumoniae isolate from Bulgaria.
    Antimicrobial agents and chemotherapy, 2009, Volume: 53, Issue:10

    Topics: Anti-Bacterial Agents; beta-Lactamases; Bulgaria; Cefepime; Cefotaxime; Ceftazidime; Cephalosporins; Kinetics; Klebsiella pneumoniae; Microbial Sensitivity Tests; Molecular Sequence Data

2009
IND-6, a highly divergent IND-type metallo-beta-lactamase from Chryseobacterium indologenes strain 597 isolated in Burkina Faso.
    Antimicrobial agents and chemotherapy, 2009, Volume: 53, Issue:10

    Topics: Adult; Amino Acid Sequence; Anti-Bacterial Agents; beta-Lactamases; Cefepime; Ceftazidime; Cephalexin; Cephalosporins; Cephalothin; Chryseobacterium; Female; Humans; Microbial Sensitivity Tests; Molecular Sequence Data; Phylogeny; Protein Structure, Secondary; Sequence Homology, Amino Acid

2009
BEL-2, an extended-spectrum beta-lactamase with increased activity toward expanded-spectrum cephalosporins in Pseudomonas aeruginosa.
    Antimicrobial agents and chemotherapy, 2010, Volume: 54, Issue:1

    Topics: Belgium; beta-Lactamases; Cephalosporinase; Cephalosporins; Cross Infection; Escherichia coli; Genes, Bacterial; Humans; Kinetics; Microbial Sensitivity Tests; Pseudomonas aeruginosa; Pseudomonas Infections

2010
Novel ambler class A carbapenem-hydrolyzing beta-lactamase from a Pseudomonas fluorescens isolate from the Seine River, Paris, France.
    Antimicrobial agents and chemotherapy, 2010, Volume: 54, Issue:1

    Topics: Amino Acid Sequence; Anti-Bacterial Agents; Bacterial Proteins; beta-Lactamases; Blotting, Southern; Cloning, Molecular; DNA, Bacterial; Drug Resistance, Bacterial; Electrophoresis, Gel, Pulsed-Field; France; Fresh Water; Gram-Negative Bacteria; Health Surveys; Kinetics; Microbial Sensitivity Tests; Molecular Sequence Data; Plasmids; Pseudomonas fluorescens; Water Microbiology

2010
Genetic and biochemical characterization of TRU-1, the endogenous class C beta-lactamase from Aeromonas enteropelogenes.
    Antimicrobial agents and chemotherapy, 2010, Volume: 54, Issue:4

    Topics: Aeromonas; Amino Acid Sequence; Base Sequence; beta-Lactamases; Cloning, Molecular; DNA Primers; DNA, Bacterial; Drug Resistance, Bacterial; Escherichia coli; Genes, Bacterial; Humans; Kinetics; Molecular Sequence Data; Phylogeny; Sequence Homology, Amino Acid; Sequence Homology, Nucleic Acid; Transformation, Genetic

2010
Extended-spectrum cephalosporinase in Acinetobacter baumannii.
    Antimicrobial agents and chemotherapy, 2010, Volume: 54, Issue:8

    Topics: Acinetobacter baumannii; Amino Acid Sequence; Amino Acid Substitution; Anti-Bacterial Agents; Aztreonam; Bacterial Proteins; beta-Lactamases; Cefepime; Ceftazidime; Cephalosporin Resistance; Cephalosporinase; Cephalosporins; Humans; Microbial Sensitivity Tests; Molecular Sequence Data; Monobactams; Mutagenesis, Site-Directed

2010
Developing structure-activity relationships for the prediction of hepatotoxicity.
    Chemical research in toxicology, 2010, Jul-19, Volume: 23, Issue:7

    Topics: Chemical and Drug Induced Liver Injury; Databases, Factual; Humans; Structure-Activity Relationship; Tetracyclines; Thiophenes

2010
Phenotypic and biochemical comparison of the carbapenem-hydrolyzing activities of five plasmid-borne AmpC β-lactamases.
    Antimicrobial agents and chemotherapy, 2010, Volume: 54, Issue:11

    Topics: Anti-Bacterial Agents; Bacterial Proteins; beta-Lactamases; Carbapenems; Cefotaxime; Ceftazidime; Cephalosporinase; Drug Resistance, Multiple, Bacterial; Escherichia coli; Escherichia coli Proteins; Imipenem; Kinetics; Microbial Sensitivity Tests; Plasmids

2010
A predictive ligand-based Bayesian model for human drug-induced liver injury.
    Drug metabolism and disposition: the biological fate of chemicals, 2010, Volume: 38, Issue:12

    Topics: Bayes Theorem; Chemical and Drug Induced Liver Injury; Humans; Ligands

2010
Roles of residues Cys69, Asn104, Phe160, Gly232, Ser237, and Asp240 in extended-spectrum beta-lactamase Toho-1.
    Antimicrobial agents and chemotherapy, 2011, Volume: 55, Issue:1

    Topics: Amino Acid Sequence; Anti-Bacterial Agents; beta-Lactamases; Binding Sites; Cefotaxime; Escherichia coli; Microbial Sensitivity Tests; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; Sequence Homology, Amino Acid; Structure-Activity Relationship; Substrate Specificity

2011
Computational analysis of structure-based interactions and ligand properties can predict efflux effects on antibiotics.
    European journal of medicinal chemistry, 2012, Volume: 52

    Topics: Anti-Bacterial Agents; beta-Lactams; Computational Biology; Drug Resistance, Bacterial; Hydrophobic and Hydrophilic Interactions; Ligands; Membrane Transport Proteins; Microbial Sensitivity Tests; Models, Molecular; Protein Binding; Protein Conformation; Quantitative Structure-Activity Relationship; Regression Analysis; Thermodynamics

2012
The activity of cephalosporins on beta-lactamase-producing Neisseria gonorrhoeae.
    Scandinavian journal of infectious diseases. Supplementum, 1978, Issue:13

    Topics: Amidohydrolases; Cefamandole; Cefazolin; Cefoxitin; Cephalexin; Cephaloridine; Cephalosporinase; Cephalosporins; Cephalothin; Cephradine; Drug Resistance, Microbial; Furans; Hydrolysis; Isoelectric Focusing; Microbial Sensitivity Tests; Neisseria gonorrhoeae; Penicillinase

1978
Studies on the pharmacokinetics of cefoxitin, cefuroxime, cephaloridine and cephalothin using subcutaneous tissue cages.
    Scandinavian journal of infectious diseases. Supplementum, 1978, Issue:13

    Topics: Animals; Cefoxitin; Cephaloridine; Cephalosporins; Cephalothin; Culture Techniques; Electrolytes; Female; Furans; Injections, Intravenous; Models, Biological; Proteins; Rabbits; Tissue Distribution

1978
Beta lactamase resistance of newer cephalosporins and antimicrobial effectiveness against gram-negative bacilli.
    Infection, 1977, Volume: 5, Issue:4

    Topics: Amidohydrolases; Cefamandole; Cefazolin; Cefoxitin; Cephaloridine; Cephalosporinase; Cephalosporins; Cephalothin; Drug Resistance, Microbial; Enterobacteriaceae; Penicillinase; Pseudomonas aeruginosa

1977
Susceptibility of aerobic and anaerobic Gram-negative rods to cefoxitin and related compounds.
    Israel journal of medical sciences, 1979, Volume: 15, Issue:10

    Topics: Ampicillin; Bacteroides fragilis; Cefazolin; Cefoxitin; Cephaloridine; Cephalothin; Enterobacter; Enterobacteriaceae; In Vitro Techniques; Klebsiella; Proteus; Serratia

1979
[Microbiological evaluation of cefoxitin, a new beta-lactamase resistant cephamycin antibiotic, compared to cephalothin, cephaloridine and cefazolin].
    Fortschritte der Medizin, 1978, Aug-10, Volume: 96, Issue:30

    Topics: Cefazolin; Cefoxitin; Cephaloridine; Cephalosporinase; Cephalosporins; Cephalothin; Drug Combinations; Drug Resistance, Microbial; Gentamicins; Sisomicin

1978
Use of antibiotics. Cephalosporins.
    British medical journal, 1978, Jul-01, Volume: 2, Issue:6129

    Topics: Bacteria; Bacterial Infections; Cefamandole; Cefazolin; Cefoxitin; Cephalexin; Cephaloridine; Cephalosporins; Cephalothin; Cephradine; Humans

1978
Distribution of beta-lactamases A and B in some groups of Yersinia enterocolitica and their role in resistance.
    Journal of general microbiology, 1975, Volume: 91, Issue:2

    Topics: Amidohydrolases; Ampicillin; Carbenicillin; Cefoxitin; Cell-Free System; Cephaloridine; Cephalosporinase; Cephalosporins; Cephalothin; Cloxacillin; Depression, Chemical; Dose-Response Relationship, Drug; Drug Synergism; Enzyme Induction; Methicillin; Mutation; Penicillin G; Penicillin Resistance; Penicillinase; Penicillins; Species Specificity; Yersinia

1975
In vitro bacteriostatic and bactericidal activities of 7 cephalosporin antibiotics on Haemophilus influenzae.
    International journal of clinical pharmacology and biopharmacy, 1975, Volume: 12, Issue:4

    Topics: Cefazolin; Cefoxitin; Cephalexin; Cephaloridine; Cephalosporins; Cephalothin; Cephapirin; Cephradine; Haemophilus influenzae; Microbial Sensitivity Tests

1975
Comparative study of the in vitro antibacterial activity of cefoxitin, cefuroxine, and cephaloridine.
    Antimicrobial agents and chemotherapy, 1976, Volume: 9, Issue:3

    Topics: Bacteria; Bacterial Infections; Cefoxitin; Cephaloridine; Cephalosporins; Chemical Phenomena; Chemistry; Humans; Species Specificity

1976
The in vitro spectrum of the cephalosporins.
    Mayo Clinic proceedings, 1976, Volume: 51, Issue:4

    Topics: Bacteria; Cefazolin; Cefoxitin; Cephacetrile; Cephalexin; Cephaloglycin; Cephaloridine; Cephalosporins; Cephalothin; Cephradine; Drug Resistance, Microbial; Drug Synergism; Humans; In Vitro Techniques; Microbial Sensitivity Tests

1976
[In vitro sensitivity of hospital-isolated pathogenic bacterial strains to 4 different cephalosporins: cephaloridine, cefotaxime, cefoxitin, cefonicid].
    Minerva chirurgica, 1986, Aug-31, Volume: 41, Issue:15-16

    Topics: Bacteria; Cefamandole; Cefonicid; Cefotaxime; Cefoxitin; Cephaloridine; Cephalosporins; Cross Infection; Humans; Microbial Sensitivity Tests

1986
The influence of cephem antibiotics on gentamicin nephrotoxicity in normal, acidotic, dehydrated, and unilaterally nephrectomized rats.
    Toxicology and applied pharmacology, 1986, Volume: 86, Issue:3

    Topics: Acidosis; Animals; Cefoxitin; Cephaloridine; Cephalothin; Creatinine; Dehydration; Drug Interactions; Female; Gentamicins; Kidney Cortex; Nephrectomy; Rats; Rats, Inbred Strains

1986
Analytical interference of drugs in clinical chemistry: II--The interference of three cephalosporins with the determination of serum creatinine concentration by the Jaffé reaction.
    Clinical biochemistry, 1985, Volume: 18, Issue:6

    Topics: Autoanalysis; Blood Chemical Analysis; Buffers; Cefoxitin; Cephaloridine; Cephalosporins; Cephalothin; Creatinine; Humans; Pharmaceutical Preparations; Picrates; Reaction Time; Sodium Hydroxide; Temperature

1985
In vitro susceptibility tests with cefoperazone compared with cefotaxime, cefoxitin, cefuroxime, cephaloridine and gentamicin.
    Chemioterapia : international journal of the Mediterranean Society of Chemotherapy, 1984, Volume: 3, Issue:4

    Topics: Bacteria; Cefoperazone; Cefotaxime; Cefoxitin; Cefuroxime; Cephaloridine; Gentamicins; Gram-Negative Bacteria; Gram-Positive Bacteria; Microbial Sensitivity Tests

1984
[Microbiological evaluation of the antibacterial activity of cefotaxime in comparison with other cephalosporins].
    Bollettino dell'Istituto sieroterapico milanese, 1982, Volume: 61, Issue:4

    Topics: Bacteria; Cefazolin; Cefoperazone; Cefotaxime; Cefoxitin; Cefuroxime; Cephacetrile; Cephalexin; Cephaloridine; Cephalosporins; Cephalothin; Cephradine; Enterobacter; Escherichia coli; Humans; Klebsiella pneumoniae; Salmonella; Staphylococcus aureus

1982
A note on the anti-Pseudomonas activity of cephalosporins with chlorhexidine.
    The Journal of applied bacteriology, 1980, Volume: 49, Issue:2

    Topics: Cefotaxime; Cefoxitin; Cefuroxime; Cephaloridine; Cephalosporins; Chlorhexidine; Drug Synergism; Microbial Sensitivity Tests; Pseudomonas aeruginosa

1980
Inhibitory concentrations of cefoperazone, cefazolin, cefamandole, cephaloridine, and cefoxitin for 300 gram-negative clinical isolates.
    Clinical therapeutics, 1980, Volume: 3, Issue:Spec Issue

    Topics: Cefamandole; Cefazolin; Cefoperazone; Cefoxitin; Cephaloridine; Cephalosporins; Enterobacteriaceae; Microbial Sensitivity Tests; Pseudomonas

1980
Characterization of cephalosporin resistance in clinical isolates of Escherichia coli.
    Journal of pharmacobio-dynamics, 1980, Volume: 3, Issue:7

    Topics: Cefoxitin; Cephaloridine; Cephalosporinase; Cephalosporins; Drug Resistance, Microbial; Escherichia coli; Escherichia coli Infections; Humans; Penicillinase

1980
Site-directed mutagenesis of glutamate 166 in two beta-lactamases. Kinetic and molecular modeling studies.
    The Journal of biological chemistry, 1997, Feb-28, Volume: 272, Issue:9

    Topics: Acylation; beta-Lactamases; Cefoxitin; Cefuroxime; Cephaloridine; Enzyme Stability; Glutamic Acid; Hydrogen-Ion Concentration; Kinetics; Models, Molecular; Mutagenesis, Site-Directed; Penicillin G; Streptomyces

1997