. . "dekarboxylazov\u00E1 aktivita; Enterococcus"@en . "978-80-7375-563-8" . . . "6"^^ . "4"^^ . "43210" . "2011-01-01+01:00"^^ . . . "Brno" . "Brno" . "RIV/62156489:43210/11:00180532!RIV12-MSM-43210___" . . . "Determination of decarboxylase aktivity the selected bakteria hazarrdous"@en . "Biogenn\u00ED aminy (BA) jsou n\u00EDzkomolekul\u00E1rn\u00ED bazick\u00E9 dus\u00EDkat\u00E9 l\u00E1tky vznikaj\u00EDc\u00ED v potravin\u00E1ch a potravinov\u00FDch surovin\u00E1ch nej\u010Dast\u011Bji dekarboxylac\u00ED aminokyselin p\u016Fsoben\u00EDm bakteri\u00E1ln\u00EDch dekarboxyl\u00E1z. V experimentu jsme se zam\u011B\u0159ily na bakterie rodu Enterococcus a bakterie ml\u00E9\u010Dn\u00E9ho kva\u0161en\u00ED, kter\u00E9 jsou v literatu\u0159e popisov\u00E1ny jako v\u00FDznamn\u00FD potenci\u00E1ln\u00ED producent BA (Eroscun et. al, 2010). Byly pou\u017Eity dv\u011B metody testov\u00E1n\u00ED schopnosti dan\u00FDch izol\u00E1t\u016F tvo\u0159it tyramin/ histamin: tekut\u00E9 dekarboxyla\u010Dn\u00ED medium a d\u00E1le potvrzen\u00ED vzniku amin\u016F pomoc\u00ED vysokotlak\u00E9 kapalinov\u00E9 chromatografie. V p\u0159\u00EDpad\u011B bakteri\u00ED rodu Enterococus byly v\u0161echny vzorky ozna\u010Deny jako pozitivn\u00ED p\u0159i pou\u017Eit\u00ED obou metod. U BMK byl zaznamen\u00E1n nar\u016Fst pozitivn\u00EDch vzork\u016F z p\u016Fvodn\u00EDch 10,48 % na 41,7 %. V\u0161echny izolovan\u00E9 mikroorganismy pou\u017Eit\u00E9 v na\u0161em experimentu byly pozitivn\u00ED na tyramin, histamin nebyl v experimentu zaznamen\u00E1n ani v jednom z izolovan\u00FDch vzork\u016F. Pomoc\u00ED PYRAtestu byla potvrzena p\u0159\u00EDslu\u0161nost bakteri\u00ED k rodu Enterococcus, byla provedena i druhov\u00E1 identifikace, p\u0159i kter\u00E9 byly krom jednoho vzorku, kter\u00FD byl identifikov\u00E1n jako Enterococcus faecium v\u0161echny ostatn\u00ED ozna\u010Deny EN-COCCUstestem jako Enterococcus faecalis." . "Stanoven\u00ED dekarboxyl\u00E1sov\u00E9 aktivity u vybran\u00FDch rizikov\u00FDch bakteri\u00ED" . "4"^^ . . "Komprda, Tom\u00E1\u0161" . "Zorn\u00EDkov\u00E1, Gabriela" . "Biogenn\u00ED aminy (BA) jsou n\u00EDzkomolekul\u00E1rn\u00ED bazick\u00E9 dus\u00EDkat\u00E9 l\u00E1tky vznikaj\u00EDc\u00ED v potravin\u00E1ch a potravinov\u00FDch surovin\u00E1ch nej\u010Dast\u011Bji dekarboxylac\u00ED aminokyselin p\u016Fsoben\u00EDm bakteri\u00E1ln\u00EDch dekarboxyl\u00E1z. V experimentu jsme se zam\u011B\u0159ily na bakterie rodu Enterococcus a bakterie ml\u00E9\u010Dn\u00E9ho kva\u0161en\u00ED, kter\u00E9 jsou v literatu\u0159e popisov\u00E1ny jako v\u00FDznamn\u00FD potenci\u00E1ln\u00ED producent BA (Eroscun et. al, 2010). Byly pou\u017Eity dv\u011B metody testov\u00E1n\u00ED schopnosti dan\u00FDch izol\u00E1t\u016F tvo\u0159it tyramin/ histamin: tekut\u00E9 dekarboxyla\u010Dn\u00ED medium a d\u00E1le potvrzen\u00ED vzniku amin\u016F pomoc\u00ED vysokotlak\u00E9 kapalinov\u00E9 chromatografie. V p\u0159\u00EDpad\u011B bakteri\u00ED rodu Enterococus byly v\u0161echny vzorky ozna\u010Deny jako pozitivn\u00ED p\u0159i pou\u017Eit\u00ED obou metod. U BMK byl zaznamen\u00E1n nar\u016Fst pozitivn\u00EDch vzork\u016F z p\u016Fvodn\u00EDch 10,48 % na 41,7 %. V\u0161echny izolovan\u00E9 mikroorganismy pou\u017Eit\u00E9 v na\u0161em experimentu byly pozitivn\u00ED na tyramin, histamin nebyl v experimentu zaznamen\u00E1n ani v jednom z izolovan\u00FDch vzork\u016F. Pomoc\u00ED PYRAtestu byla potvrzena p\u0159\u00EDslu\u0161nost bakteri\u00ED k rodu Enterococcus, byla provedena i druhov\u00E1 identifikace, p\u0159i kter\u00E9 byly krom jednoho vzorku, kter\u00FD byl identifikov\u00E1n jako Enterococcus faecium v\u0161echny ostatn\u00ED ozna\u010Deny EN-COCCUstestem jako Enterococcus faecalis."@cs . . . "Stanoven\u00ED dekarboxyl\u00E1sov\u00E9 aktivity u vybran\u00FDch rizikov\u00FDch bakteri\u00ED" . "Z(MSM 432100001)" . "Biogenic amines (BA) are low-molecular nitrogenous bases formed in foods and food raw materials by decarboxylation of precursor amino acids by the action of bacterial decarboxylases. An ability of lactic acid bacteria (LAB), including genus Enterococcus (proved BA producers), to form tyramine and histamine was evaluated in the present experiment. Two methods for testing an ability of the isolates to form tyramine/histamine were used: liquid decarboxylating medium (LDM) and confirmation of BA formation by the HPLC method. Regarding Enterococcus spp., all tested isolates were positive using both methods. As far as LAB are concerned however, only 10.5 % of the isolates was identified as positive in LDM, while 41.7 % positive isolates was confirmed by the HPLC. In the HPLC-positive isolates, only tyramine was detected, histamine was not present in any of the tested samples. Members of the genus Enterococcus were confirmed by the PYRA-test, species identification was consequently performed using the ENCOCCUS-test. Except one sample that was identified as E. faecium, all other enterococci isolates were identified as E. faecalis."@en . . . . "[67673499ABF0]" . "Stanoven\u00ED dekarboxyl\u00E1sov\u00E9 aktivity u vybran\u00FDch rizikov\u00FDch bakteri\u00ED"@cs . "231982" . . . . . "Petirov\u00E1, Eva" . "Determination of decarboxylase aktivity the selected bakteria hazarrdous"@en . "RIV/62156489:43210/11:00180532" . "MendelNet 2011 - Proceedings of International Ph.D. Students Conference" . "Stanoven\u00ED dekarboxyl\u00E1sov\u00E9 aktivity u vybran\u00FDch rizikov\u00FDch bakteri\u00ED"@cs . "Sl\u00E1dkov\u00E1, Pavla" . . "Mendelova zem\u011Bd\u011Blsk\u00E1 a lesnick\u00E1 univerzita v Brn\u011B" .