modification-restriction system

См. также в других словарях:

• Modification — Mod i*fi*ca tion, n. [L. modificatio a measuring: cf. F. modification. See {Modify}.] 1. The act of modifying, or the state of being modified; a change; as, the modification of an opinion, or of a machine. Bentley. Syn: change, alteration,… …   The Collaborative International Dictionary of English

• Restriction enzyme — Glossary Restriction …   Wikipedia

• Restriction modification system — The restriction modification system (RM system) is used by bacteria, and perhaps other prokaryotic organisms to protect themselves from foreign DNA, such as bacteriophages. This phenomenon was first noticed in the 1950s. Certain bacteria strains… …   Wikipedia

• restriction enzyme — Biochem. any of a group of enzymes that catalyze the cleavage of DNA molecules at specific sites: used for gene splicing in recombinant DNA technology and for chromosome mapping. [1960 65] * * * Protein (more specifically, an endonuclease)… …   Universalium

• Restriction enzyme — An enzyme from bacteria that can recognize specific base sequences in DNA and cut the DNA at that site (the restriction site). A restriction enzyme acts as a biochemical scissors. Also called a restriction endonuclease. A restriction enzyme is a… …   Medical dictionary

• Innate immune system — See also: Immune system and Adaptive immune system Innate immune system The innate immune system, also known as non specific immune system and secondary line of defence,[1] comprises the cells and mechanisms that defend the host …   Wikipedia

• File System — Système de fichiers Pour les articles homonymes, voir FS et SGF. Un système de fichiers (file system ou filesystem en anglais) ou système de gestion de fichiers (SGF) est une structure de données permettant de stocker les informations et de les… …   Wikipédia en Français

• File system — Système de fichiers Pour les articles homonymes, voir FS et SGF. Un système de fichiers (file system ou filesystem en anglais) ou système de gestion de fichiers (SGF) est une structure de données permettant de stocker les informations et de les… …   Wikipédia en Français

• Enzyme, restriction — An enzyme from bacteria that can recognize specific base sequences in DNA and cut the DNA at that site (the restriction site). A restriction enzyme acts as a biochemical scissors. Also called a restriction endonuclease. Bacteria use restriction… …   Medical dictionary

• Immune system — A scanning electron microscope image of a single neutrophil (yellow), engulfing anthrax bacteria (orange). An immune system is a system of biological structures and processes within an organism that protects against disease by identifying and… …   Wikipedia

• endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium