Leucocins 4010 from Leuconostoc carnosum cause a matrix related decrease in intracellular pH of Listeria monocytogenes
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Leucocins 4010 from Leuconostoc carnosum cause a matrix related decrease in intracellular pH of Listeria monocytogenes. / Fang, Weihuan; Budde, Birgitte Bjørn; Siegumfeldt, Henrik.
I: FEMS Microbiology Letters, Bind 258, Nr. 2, 2006, s. 208-213.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Leucocins 4010 from Leuconostoc carnosum cause a matrix related decrease in intracellular pH of Listeria monocytogenes
AU - Fang, Weihuan
AU - Budde, Birgitte Bjørn
AU - Siegumfeldt, Henrik
PY - 2006
Y1 - 2006
N2 - A mixed culture of single cells of Listeria monocytogenes and the bacteriocin producing Leuconostoc carnosum 4010 showed growth inhibition of L. monocytogenes, although the intracellular pH (pHi) of L. monocytogenes followed by fluorescence ratio imaging microscopy was not affected. Furthermore, L. monocytogenes was exposed to the bacteriocins leucocins 4010 and nisin either in a liquid filled chamber or on the surface of an agar containing bacteriocins. Both bacteriocins caused dissipation of the pH gradient in L. monocytogenes and the effect was clearly dependent on the matrix, as the decrease in pHi occurred much more rapidly in liquid than in agar.
AB - A mixed culture of single cells of Listeria monocytogenes and the bacteriocin producing Leuconostoc carnosum 4010 showed growth inhibition of L. monocytogenes, although the intracellular pH (pHi) of L. monocytogenes followed by fluorescence ratio imaging microscopy was not affected. Furthermore, L. monocytogenes was exposed to the bacteriocins leucocins 4010 and nisin either in a liquid filled chamber or on the surface of an agar containing bacteriocins. Both bacteriocins caused dissipation of the pH gradient in L. monocytogenes and the effect was clearly dependent on the matrix, as the decrease in pHi occurred much more rapidly in liquid than in agar.
KW - Former LIFE faculty
KW - Listeria monocytogenes; intracellular pH; Leuconostoc carnosum, leucocins 4010, bacteriocin
U2 - 10.1111/j.1574-6968.2006.00219.x
DO - 10.1111/j.1574-6968.2006.00219.x
M3 - Journal article
C2 - 16640575
VL - 258
SP - 208
EP - 213
JO - F E M S Microbiology Letters
JF - F E M S Microbiology Letters
SN - 0378-1097
IS - 2
ER -
ID: 8108424