AntibioticA Substance Produced By A Microorganism

Antibiotic
A substance produced by a microorganism and able in dilute solution to kill another microorganism.

Antibiotic Resistance
Resistance to one or more antibiotics, usually due to additional genetic information.

Conjugation
A way of transferring bacteria, uses plasmid DNA.

Nucleoid
The DNA-containing area of a bacterial cell.

Plasmid
A small ring of DNA that carries accessory genes separate from those of the bacterial chromosome.

Transduction
The transfer of genetic material from one organism (such as a bacterium) to another by a genetic vector.

Transformation
The genetic modification of a bacterium by incorporation of free DNA from another ruptured bacterial cell.