Introns - Revision history

CSGuy: Redirecting to Intron

2008-08-04T23:42:17Z

Redirecting to Intron

AWHall: Replacing page with 'See intron.'

2008-05-18T23:38:45Z

Replacing page with 'See intron.'

AWHall: Introduction to what an intron is.

2008-05-18T23:36:01Z

Introduction to what an intron is.

New page

Introns are non-protein-coding sections of DNA found in most multicellular eukaryotes. They are rare or absent in most unicellular eukaryotes and prokaryotes, but present in the DNA of viruses that infect eukaryotic cells. In contrast to introns, the protein-coding segments of DNA are called [[exons]]. The presence of introns in many genes can cause problems with protein purification when bacteria are used to propagate a protein, as they lack the machinery to excise introns from genes. The gene containing the protein to be purified must have its introns excised before being subcloned into a suitable plasmid. This is often done using a [[cDNA library]].

← Older revision		Revision as of 23:42, August 4, 2008
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−	~~See~~ [[~~intron~~]].	+	#REDIRECT [[Intron]]

← Older revision		Revision as of 23:38, May 18, 2008
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−	Introns are non-protein-coding sections of DNA found in most multicellular eukaryotes. They are rare or absent in most unicellular eukaryotes and prokaryotes, but present in the DNA of viruses that infect eukaryotic cells. In contrast to introns, the protein-coding segments of DNA are called [[exons]]. The presence of introns in many genes can cause problems with protein purification when bacteria are used to propagate a protein, as they lack the machinery to excise introns from genes. The gene containing the protein to be purified must have its introns excised before being subcloned into a suitable plasmid. This is often done using a [[cDNA library]].	+	See [[intron]].