extrachromosomal element


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plas·mid

(plaz'mid),
A genetic particle physically separate from the chromosome of the host cell (chiefly bacterial) that can function and replicate stably and usually confer some advantage to the host cell; not essential to the cell's basic functioning.
[cytoplasm + -id]

ex·tra·chro·mo·so·mal element

(ĕk′strə-krō′mə-sō′məl)
n.
See plasmid.

plas·mid

(plaz'mid)
A genetic particle physically separate from the chromosome of the host cell (chiefly bacterial) that can stably function and replicate; not essential to the basic functioning of the cell.
Synonym(s): extrachromosomal element, extrachromosomal genetic element.
[cytoplasm + -id]
References in periodicals archive ?
The presence of extrachromosomal elements in the isolates from both sites is consistent with previous observations in other systems (Hada & Sizemore 1981; Leahy & Colwell 1990; Ogunseitan et al.

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