Document Detail

Inhibition of Listeria monocytogenes by piscicolin 126 in milk and Camembert cheese manufactured with a thermophilic starter.
MedLine Citation:
PMID:  12455889     Owner:  NLM     Status:  MEDLINE    
The effect of bacteriocin, piscicolin 126, on the growth of Listeria monocytogenes and cheese starter bacteria was investigated in milk and in Camembert cheese manufactured from milk challenged with 10(2) cfu ml(-1) L. monocytogenes. In milk incubated at 30 degrees C, piscicolin 126 added in the range of 512-2,048 AU ml(-1) effectively inhibited growth of L. monocytogenes for more than 20 d when challenged with approximately 10(2) cfu ml(-1) L. monocytogenes. At higher challenge levels (10(4) and 10(6) cfu ml(-1)), piscicolin 126 reduced the viable count of L. monocytogenes by 4-5 log units immediately after addition of the bacteriocin; however, growth of Listeria occurred within 24 h. The minimum inhibitory concentration (MIC) of piscicolin 126 against lactic acid cheese starter bacteria was generally greater than 204,800 AU ml(-1) , and the viable count and acid production of these starter cultures in milk were not affected by the addition of 2,048 AU ml(-1) piscicolin 126. Camembert cheeses made from milk challenged with L. monocytogenes and with added piscicolin 126 showed a viable count of L. monocytogenes 3-4 log units lower than those without piscicolin 126. Inactivation of piscicolin 126 by proteolytic enzymes from cheese starter bacteria and mould together with the emergence of piscicolin 126-resistant isolates was responsible for the recovery of L. monocytogenes in the cheeses during ripening.
J Wan; K Harmark; B E Davidson; A J Hillier; J B Gordon; A Wilcock; M W Hickey; M J Coventry
Related Documents :
24263589 - Branch-cutting behavior by the vole (microtus pennsylvanicus) : a mechanism to decrease...
19753609 - High sensitivity detection of the glial fibrillary acidic protein as indicator for tse ...
8854189 - Comparison of the hydrophobic grid-membrane filter dna probe method and the health prot...
18628879 - Realis: postgenomic analysis of listeria monocytogenes.
6540029 - Enterotoxin production by yersinia enterocolitica in food samples.
17666069 - The lmo1078 gene encoding a putative udp-glucose pyrophosphorylase is involved in growt...
11199249 - Somatotype, nutrition, and obesity.
23085289 - Sugar gustatory thresholds and sugar selection in two species of neotropical nectar-eat...
20301019 - Modeling thermophysical properties of food under high pressure.
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of applied microbiology     Volume:  82     ISSN:  1364-5072     ISO Abbreviation:  J. Appl. Microbiol.     Publication Date:  1997 Mar 
Date Detail:
Created Date:  2002-11-28     Completed Date:  2003-02-06     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9706280     Medline TA:  J Appl Microbiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  273-80     Citation Subset:  IM    
Australian Food Industry Science Centre, Werribee, Victoria, Australia.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Bacteriocins / biosynthesis,  pharmacology
Cheese / microbiology*
Colony Count, Microbial
Culture Media
Food Microbiology*
Food Preservation
Listeria monocytogenes / drug effects*,  genetics,  growth & development*,  isolation & purification
Milk / microbiology*
Reg. No./Substance:
0/Bacteriocins; 0/Culture Media; 0/piscicolin 126

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  Two cases of spinal meningeal melanocytoma.
Next Document:  Phages of enteric bacteria in fresh water with different levels of faecal pollution.