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Characterization of garvicin ML, a novel circular bacteriocin produced by Lactococcus garvieae DCC43, isolated from mallard ducks (Anas platyrhynchos).


ABSTRACT: Lactococcus garvieae DCC43 produces a bacteriocin, garvicin ML (GarML), with a molecular mass of 6,004.2 Da. Data from de novo amino acid sequencing by tandem mass spectrometry and nucleotide sequencing by reverse genetics suggested that the bacteriocin is synthesized as a 63-amino-acid precursor with a 3-amino-acid leader peptide that is removed by cleavage. Subsequently, a covalent linkage between the N and C termini forms the mature version of this novel 60-amino-acid circular bacteriocin.

SUBMITTER: Borrero J 

PROVIDER: S-EPMC3019728 | biostudies-other | 2011 Jan

REPOSITORIES: biostudies-other

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Characterization of garvicin ML, a novel circular bacteriocin produced by Lactococcus garvieae DCC43, isolated from mallard ducks (Anas platyrhynchos).

Borrero Juan J   Brede Dag A DA   Skaugen Morten M   Diep Dzung B DB   Herranz Carmen C   Nes Ingolf F IF   Cintas Luis M LM   Hernández Pablo E PE  

Applied and environmental microbiology 20101105 1


Lactococcus garvieae DCC43 produces a bacteriocin, garvicin ML (GarML), with a molecular mass of 6,004.2 Da. Data from de novo amino acid sequencing by tandem mass spectrometry and nucleotide sequencing by reverse genetics suggested that the bacteriocin is synthesized as a 63-amino-acid precursor with a 3-amino-acid leader peptide that is removed by cleavage. Subsequently, a covalent linkage between the N and C termini forms the mature version of this novel 60-amino-acid circular bacteriocin. ...[more]

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