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Please use this identifier to cite or link to this item: http://hdl.handle.net/11019/240

Title: In silico analysis highlights the frequency and diversity of type 1 lantibiotic gene clusters in genome sequenced bacteria
Authors: Marsh, Alan J.
O'Sullivan, Orla
Ross, R Paul
Cotter, Paul D.
Hill, Colin
Keywords: Lantibiotic gene clusters
Issue Date: 30-Nov-2010
Publisher: Biomed Central
Citation: Alan J Marsh, Orla O'Sullivan, R Paul Ross, Paul D Cotter and Colin Hill. In silico analysis highlights the frequency and diversity of type 1 lantibiotic gene clusters in genome sequenced bacteria. BMC Genomics. 2010, 11(1):679. DOI:10.1186/1471-2164-11-679
Series/Report no.: BMC Genomics
Abstract: Background: Lantibiotics are lanthionine-containing, post-translationally modified antimicrobial peptides. These peptides have significant, but largely untapped, potential as preservatives and chemotherapeutic agents. Type 1 lantibiotics are those in which lanthionine residues are introduced into the structural peptide (LanA) through the activity of separate lanthionine dehydratase (LanB) and lanthionine synthetase (LanC) enzymes. Here we take advantage of the conserved nature of LanC enzymes to devise an in silico approach to identify potential lantibiotic-encoding gene clusters in genome sequenced bacteria. Results: In total 49 novel type 1 lantibiotic clusters were identified which unexpectedly were associated with species, genera and even phyla of bacteria which have not previously been associated with lantibiotic production. Conclusions: Multiple type 1 lantibiotic gene clusters were identified at a frequency that suggests that these antimicrobials are much more widespread than previously thought. These clusters represent a rich repository which can yield a large number of valuable novel antimicrobials and biosynthetic enzymes.
Description: peer-reviewed
URI: http://hdl.handle.net/11019/240
http://dx.doi.org/10.1186/1471-2164-11-679
ISSN: 1471-2164
Appears in Collections:Teagasc publications in Biomed Central
Food Biosciences

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