Plasmid: Difference between revisions
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Plasmids are [[Supercoiled|supercoiled]] [[DNA|DNA]] molecules present in most species of [[Bacteria|bacteria]]. These are not integrated into the host [[Chromosome|chromosome]] and are much smaller in length. | |||
Plasmids are not necessary for the survival of a bacteria but can contain [[Gene|genes]] that are advantageous in changing environmental conditions, an example would be antibiotic resistance genes<ref>[1]</ref>. | |||
Plasmids have no replication machinery of their own and are reliant upon the host for duplication. | |||
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'''References''' | |||
<br> [1]; Maloy et al, (1987), ''Microbial Genetics, ''2nd edition, Jones and Bartlett Publishers. | |||
[1]; Maloy et al, (1987), ''Microbial Genetics, ''2nd edition, Jones and Bartlett Publishers. | |||
Revision as of 16:01, 14 November 2011
Plasmids are supercoiled DNA molecules present in most species of bacteria. These are not integrated into the host chromosome and are much smaller in length.
Plasmids are not necessary for the survival of a bacteria but can contain genes that are advantageous in changing environmental conditions, an example would be antibiotic resistance genes[1].
Plasmids have no replication machinery of their own and are reliant upon the host for duplication.
References
[1]; Maloy et al, (1987), Microbial Genetics, 2nd edition, Jones and Bartlett Publishers.
- ↑ [1]