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P0098

Sigma-Aldrich

Pediocin from Pediococcus acidilactici

≥95% (HPLC), buffered aqueous solution

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About This Item

Numéro CAS:
133108-87-9
Code UNSPSC :
51102829
Nomenclature NACRES :
NA.85

Niveau de qualité

200

Pureté

≥95% (HPLC)

Forme

buffered aqueous solution

Concentration

0.1 mg/mL in 0.1 M sodium acetate pH 5.0

Spectre d'activité de l'antibiotique

Gram-positive bacteria

Mode d’action

cell membrane | interferes

Conditions d'expédition

dry ice

Température de stockage

−20°C

Description générale

Chemical structure: peptide

Application

Pediocins have molecular masses of about 2,700 to 4,000 Da. They are potential food biopreservatives used to control food-borne pathogens and spoilage.

Actions biochimiques/physiologiques

Pediocins are class IIa bacteriocins that are produced by Pediococcus acidilactici. They are cationic peptides with molecular masses of about 2,700 to 4,000 Da, that show strong activity against pathogenic bacteria such as Listeria monocytogenes, Clostridicum perfringes, Enterococcus faecalis, and Staphylococcus aureus.4 This antimicrobial action of pediocins is based on interactions with the cytoplasmic membrane, resulting in pore formation and cell death. These interactions also cause a change in membrane potentials, which leads to a loss of the proton motive force and an efflux of intracellular ions, ultimately causing cell death. They have been shown to inhibit Listeria monocytogenes.

Autres remarques

50ug
Keep container tightly closed in a dry and well-ventilated place.

Code de la classe de stockage

12 - Non Combustible Liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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M J Pucci et al.
Applied and environmental microbiology, 54(10), 2349-2353 (1988-10-01)
The bacteriocin produced by Pediococcus acidilactici PAC 1.0, previously designated PA-1 bacteriocin, was found to be inhibitory and bactericidal for Listeria monocytogenes. A dried powder prepared from PAC 1.0 culture supernatant fortified with 10% milk powder was found to contain
A K Bhunia
Applied and environmental microbiology, 60(8), 2692-2696 (1994-08-01)
Monoclonal antibody (MAb) R2-AR against pediocin RS2 was developed. Mice were immunized for 12 weeks with pediocin RS2 conjugated to a polyacrylamide gel. Two hybridoma fusions yielded an MAb that in Western blots (immunoblots) reacted only with pediocins RS2 and

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