penam
A bicyclic ring system containing a beta-lactam moiety fused with a five-member thiazolidine ring; the common core skeleton of the penicillin subclass of beta-lactam antibiotics.

penamecillin
An acetoxymethyl ester of benzylpenicillin; a prodrug that is processed to benzylpenicillin by esterases.

penams
plural of penam

penems
plural of penem

penicilamine
Misspelling of penicillamine.

penicillamine
A crystalline, sulfur-containing amino acid produced by the hydrolysis of penicillins, used pharmacologically as a chelating agent to remove heavy metals such as copper from the body, and as an anti-inflammatory agent, especially for rheumatoid arthritis; 2-amino-3-methyl-3-mercaptobutanoic acid, (CH₃)₂C(SH)CH(NH₂)COOH.

penicillamines
plural of penicillamine

penicillin
Any of a group of narrow-spectrum antibiotics obtained from Penicillium molds or synthesized, that have a beta-lactam structure and are active against gram-positive bacteria and used in the treatment of various infections and diseases.
A blue mold of the genus Penicillium that produces penicillin.

penicillins
plural of penicillin

penicylinder
A small cylinder that can be coated with bacteria as part of scientific experiments with antibiotics.

penicylinders
plural of penicylinder

penimepicycline
An antibiotic, the phenoxymethyl penicillin salt of pipacycline.

pentabiotic
A veterinary antibiotic related to penicillin

pentalenolactone
A sesquiterpene lactone, isolated from some Streptomyces species, that shows antibiotic activity

pentalenolactones
plural of pentalenolactone

pentalongin
A pyranonaphthoquinone antibiotic isolated from the East African medicinal plant Pentas longiflora

pentamdine
Misspelling of pentamidine.

pentamidine
A synthetic antibiotic drug used chiefly in the form of its salt C₂₃H₃₆N₄O₁₀S₂ especially to treat protozoal infections (such as leishmaniasis) and to prevent pneumocystis pneumonia.

pentamidines
plural of pentamidine

pentostatin
A particular drug, isolated from Streptomyces antibioticus, used in chemotherapy.

peplomycin
A bleomycin antibiotic.

perfloxacin
A particular quinolone antibiotic, 1-ethyl-6-fluoro-7-(4-methylpiperazin-1-yl)-4-oxo-quinoline-3-carboxylic acid

perfloxacine
Alternative form of perfloxacin.

perimycin
A polyene antibiotic with antifungal properties, produced by the bacterium Streptomyces coelicolor var. aminophilus.

persister
Something that persists
Any organism that survives a period of extreme conditions, such as winter or is tolerant of normal antibiotics

persisters
plural of persister

phaeochromycin
Any of a group of polyketides having a naphthalene group, based on 6-(4,5-dihydroxy-2-propylnaphthalen-1-yl)-4-hydroxypyran-2-one

phaeochromycins
plural of phaeochromycin

pheganomycin
A peptide antibiotic produced by Streptomyces cirratus

phenazacillin
hetacillin

phenethicillin
Alternative form of pheneticillin.

pheneticillin
A certain penicillin antibiotic.

phenicol
Synonym of chloramphenicol.
Any antibiotic related to chloramphenicol

phenicols
plural of phenicol

phenoxymethylpenicillin
A crystalline nonhygroscopic acid that is a semisynthetic form of penicillin, used in the form of its sodium or potassium salt C₁₆H₁₇KN₂O₅S, and has antibacterial action similar to benzylpenicillin and is more resistant to inactivation by gastric acids; 6-phenoxyacetamidopenicillanic acid, C₁₇H₂₀N₂O₆S.

phenoxypropylpenicillin
A penicillin, C₁₈H₂₂N₂O₅S.

phenylacetaldehyde
An aromatic compound found in buckwheat, chocolate, etc. responsible for the antibiotic activity of maggot therapy.

phenylacetaldehydes
plural of phenylacetaldehyde

phenylpyrrole
Any of three isomeric phenyl derivatives of pyrrole, both of which are the structural basis of many herbicides, antibiotics etc.

phenylpyrroles
plural of phenylpyrrole

phenyracillin
A penicillin antibiotic.

phleomycin
An antibiotic obtained from Streptomyces verticillatus.

phleomycine
Alternative form of phleomycin.

phleomycines
plural of phleomycine

phleomycins
plural of phleomycin

phosphomycin
Alternative form of fosfomycin.

phylloxin
An antibiotic peptide in the skin of tree frogs of the genus Phyllomedusa.

phylloxins
plural of phylloxin

phytoalexin
any of several classes of antibiotics produced by plants in response to microorganisms

phytoalexins
plural of phytoalexin

phytoallexin
Alternative form of phytoalexin.

phytoallexins
plural of phytoallexin

piericidin
Any of a group of microbial hydroxypyridine antibiotics that associate with ubiquinone binding sites

piericidins
plural of piericidin

pikromycin
A particular macrolide antibiotic

pingyangmycin
An antitumor glycopeptide antibiotic belonging to the bleomycin family, produced by Streptomyces verticillus var. pingyangensis.

pipacycline
A tetracycline antibiotic.

piperacillin
A particular ureidopenicillin antibiotic.

pipracillin
Alternative form of piperacillin.

piptazobactam
A combination antibiotic containing piperacillin, a beta-lactam antibiotic, and tazobactam, a beta-lactamase inhibitor.

pirazmonam
A beta-lactam antibiotic.

pirbenicillin
A penicillin antibiotic.

piroxantrone
A particular anthrapyrazole antibiotic with antitumour activity.

pivmecillinam
An orally active prodrug of mecillinam.

pivoxil
Synonym of cefditoren.

planosporicin
A peptide lantibiotic produced by the actinomycete Planomonospora alba.

plantazolicin
A natural antibiotic produced by the soil bacterium Bacillus amyloliquefaciens and active against anthrax.

platencin
A natural antibiotic, related to platensimycin, occurring in strains of Streptomyces platensis.

platensimycin
A natural antibiotic occurring in strains of Streptomyces platensis.

plectasin
An antibiotic peptide isolated from the fungus Pseudoplectania nigrella.

plicamycin
An antibiotic C₅₂H₇₆O₂₄ with antineoplastic activity which is produced by three bacteria of the genus Streptomyces (Streptomyces argillaceus, Streptomyces tanashiensis, and Streptomyces plicatus), acts by inhibiting DNA transcription and replication, and is administered intravenously especially in the treatment of malignant tumors of the testes or in the treatment of hypercalcemia and hypercalciuria associated with advanced neoplastic disease.

plipastatin
A lipopeptide antibiotic produced by Bacillus subtilis.

plipastatins
plural of plipastatin

pneumolancidin
Any of a group of inhibitory lantibiotics produced by Streptococcus pneumoniae.

pneumolancidins
plural of pneumolancidin

polyketomycin
A tetracyclic quinone glycoside produced by Streptomyces

polymixin
Alternative spelling of polymyxin.

polymixins
plural of polymixin

polymyxin
Any of several toxic antibiotics, derived from the soil bacterium Bacillus polymyxa, used to treat infections by gram-negative bacteria

polymyxins
plural of polymyxin

polyoxin
Any of a group of nucleoside antibiotics, produced by Streptomyces bacteria, composed of heterocyclic moieties derived from amino sugars; the simplest being 1-β-(5'-amino5'-deoxy-D-allofuranuronosyl)-5-hydroxy-methyluracil

polyoxins
plural of polyoxin

porfiromycin
An antineoplastic antibiotic, [(4S,6S,7R,8S)-11-amino-7-methoxy-5,12-dimethyl-10,13-dioxo-2,5-diazatetracyclo[7.4.0.02,7.04,6]trideca-1(9),11-dien-8-yl]methyl carbamate.

pradimicin
Any of a certain class of antibiotics.

pradimicins
plural of pradimicin

pradofloxacin
A particular veterinary antibiotic of the fluoroquinolone class.

premafloxacin
A quinolone antibiotic.

pretomanid
The antibiotic (6S)-2-Nitro-6-{[4-(trifluoromethoxy)benzyl]oxy}-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine

primocin
A broad-spectrum antibiotic and fungicide

pristinamycin
An antibiotic used primarily in the treatment of staphylococcal infections, and to a lesser extent streptococcal infections.

pristinamycine
Alternative spelling of pristinamycin.

pristinamycines
plural of pristinamycine

pristinamycins
plural of pristinamycin