Colicin: Difference between revisions

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Gemma McGoldrick, Michal Harel, Alexander Berchansky, Jaime Prilusky

Revision as of 14:09, 29 January 2013 view source Michal Harel (talk \| contribs) 31,761 edits No edit summary ← Older edit		Revision as of 14:14, 29 January 2013 view source Michal Harel (talk \| contribs) 31,761 edits No edit summary Newer edit →
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	{{STRUCTURE_1cii\| PDB=1cii \| SIZE=400\| SCENE=Colicin/3domains/1 \|right\|CAPTION=Crystal structure of Colicin Ia, the first colicin to be identified, [[1cii]] }}		{{STRUCTURE_1cii\| PDB=1cii \| SIZE=400\| SCENE=Colicin/3domains/1 \|right\|CAPTION=Crystal structure of Colicin Ia, the first colicin to be identified, [[1cii]]. Colicin domains: translocation (purple), receptor-binding (red) and cytotoxic (grey). }}

	'''Colicins''' are a type of bacteriocin - peptide and protein antibiotics released by bacteria to kill other bacteria of the same species, in order to provide a competitive advantage for nutrient acquisition <ref> PMID: 16166536 </ref>. Bacteriocins are named after their species of origin; colicins are so-called because they are produced by <i>E. Coli</i><ref>PMID: 17347522 </ref>. Because of their narrow killing spectrum which focuses primarily on the species which has made the peptide (or occasionally closely related species<ref> PMID: 12423779 </ref>), bacteriocins are important in microbial biodiversity and the stable co-existence of the bacterial populations<ref> PMID: 11792831 </ref><ref>PMID: 12110887 </ref>.		'''Colicins''' are a type of bacteriocin - peptide and protein antibiotics released by bacteria to kill other bacteria of the same species, in order to provide a competitive advantage for nutrient acquisition <ref> PMID: 16166536 </ref>. Bacteriocins are named after their species of origin; colicins are so-called because they are produced by <i>E. Coli</i><ref>PMID: 17347522 </ref>. Because of their narrow killing spectrum which focuses primarily on the species which has made the peptide (or occasionally closely related species<ref> PMID: 12423779 </ref>), bacteriocins are important in microbial biodiversity and the stable co-existence of the bacterial populations<ref> PMID: 11792831 </ref><ref>PMID: 12110887 </ref>.