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Understanding antibiotic resistance
Understanding antibiotic resistance

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Glossary


Browse the glossary using this index

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C

chromosomes

DNA molecules containing some, or all, of the genetic information of an organism.

commensals

Bacteria that live associated with the host organism without having a detrimental effect on the host. For example, Streptococcus pyogenes is a commensal bacterium often found in the nose of healthy individuals.

conjugation

A horizontal gene transfer mechanism in which plasmids are transferred between two contacting bacteria through a hollow tube, or pilus.

contagion

The spread of a disease from one person to another by close contact.

correlation

A relationship between two sets of data. For example, as antibiotic use increases, antibiotic resistance also increases.

CTX-M-type ESBL

The most common class of extended spectrum β-lactamases worldwide that act against cephalosporins.

D

deoxyribonucleic acid (DNA)

A macromolecule comprised of two chains of complementary nucleic acids. Heritable genetic information is encoded by the sequence of nucleotides in DNA.

diverticulitis

An infection of pockets in the lining of the large intestine.

E

efficacy

The ability of a drug to produce a therapeutic effect.

efflux pump

Transport proteins in the bacterial membrane actively transport antibiotics out of the bacterial cell.


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