NationMaster - Encyclopedia: DNA topology

DNA topology is the focus of a subdiscipline within molecular biology and as a term refers to both the knot-like arrangements that segments of DNA may assume and to the mathematics that pertains to them. The topology of DNA topoisomers is important to replication, transcription and recombination, including the recombination events important to the life cycles of many viruses. Topoisomerases are enzymes that change the topology of DNA.

See also: supercoil, knot theory

Categories: Molecular biology

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DNA topology - definition of DNA topology in Encyclopedia (105 words)
	DNA topology is the focus of a subdiscipline within molecular biology and as a term refers to both the knot-like arrangements that segments of DNA may assume and to the mathematics that pertains to them.
	The topology of DNA topoisomers is important to replication, transcription and recombination, including the recombination events important to the life cycles of many viruses.
	Topoisomerases are enzymes that change the topology of DNA.

Endogenous Fluctuations of DNA Topology in the Chloroplast of Chlamydomonas reinhardtii -- Salvador et al. 18 (12): ... (5856 words)
	Endogenous Fluctuations of DNA Topology in the Chloroplast of Chlamydomonas reinhardtii
	the Klenow fragment of DNA polymerase) and XhoI and subcloned
	of the endogenous fluctuations in DNA topology to the endogenous

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