R.C.R. Martinez

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Isolation and identification of bacteriocinogenic strain of Lactobacillus plantarum with potential beneficial properties from donkey milk

A. Murua, S.D. Todorov, A.D.S. Vieira, R.C.R. Martinez, more

Journal of Applied Microbiology > 114 > 6 > 1793 - 1809

AimsThe goal of this study was to isolate and characterize a lactic acid bacteria (LAB) from donkey milk with potential beneficial properties. Methods and ResultsLactic acid bacteria were isolated from donkey milk and identified based on physiological, biochemical and molecular methods. The isolate that presented highest bacteriocin potential (Lactobacillus plantarum LP08AD) was evaluated for the...

article

Involvement of dopaminergic mechanisms in the nucleus accumbens core and shell subregions in the expression of fear conditioning

R.C.R. Martinez, A.R. Oliveira, C.E. Macedo, V.A. Molina, more

Neuroscience Letters > 2008 > 446 > 2-3 > 112-116

The involvement of dopamine (DA) mechanisms in the nucleus accumbens (NAC) in fear conditioning has been proposed by many studies that have challenged the view that the NAC is solely involved in the modulation of appetitive processes. However, the role of the core and shell subregions of the NAC in aversive conditioning remains unclear. The present study examined DA release in these NAC subregions...

article

Thermal stress decreases general motor activity of rats in the elevated plus-maze but does not alter aversion to the open arms

R.C.R. Martinez, A.M.B. Garcia, M.R. Lamprea, S. Morato

Behavioural Brain Research > 2007 > 182 > 1 > 135-139

Environmental temperature is known to affect a variety of biological processes ranging from simple chemical reactions up to ecological distribution of animal species. To our knowledge, however, there are no studies relating environmental temperature and exploration in the elevated plus-maze. The present study was aimed at investigating the influence of animal house temperature on the exploration of...

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Antilisterial activity of lactic acid bacteria inoculated on cooked ham

V.F. Alves, R.C.R. Martinez, M.A.S. Lavrador, E.C.P. De Martinis

Meat Science > 2006 > 74 > 4 > 623-627

This study was conducted to evaluate the ability of Lactobacillus sakei 1, a bacteriocin-producing (bac ⁺ ) lactic acid bacterium (LAB), isolated from Brazilian fresh pork sausage to inhibit two Listeria monocytogenes strains (serotypes 4b and 1/2a) on cooked, sliced vacuum-packaged ham. L. sakei ATCC 15521 was used as a non-bacteriocin producer (bac ⁻ ). L. monocytogenes (ca. 2 logCFU/mL)...

article

Antilisterial activity of a crude preparation of Lactobacillus sakei 1 bacteriocin and its lack of influence on Listeria monocytogenes haemolytic activity

R.C.R. Martinez, E.C.P. De Martinis

Food Control > 2005 > 16 > 5 > 429-433

The antilisterial activity of a semi-purified bacteriocin from the lactic acid bacterium (LAB) Lactobacillus sakei 1 bac ⁺ , was studied at 8 and 15 ^o C. L. monocytogenes was grown in the presence of bacteriocin and enumerated after 0, 5 and 10 days. The bacteriocin was detected by spot-on-the-lawn assay (on the first day) and quantified by critical dilution assay on the first day...

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Search results for: R.C.R. Martinez

Isolation and identification of bacteriocinogenic strain of Lactobacillus plantarum with potential beneficial properties from donkey milk

Involvement of dopaminergic mechanisms in the nucleus accumbens core and shell subregions in the expression of fear conditioning

Thermal stress decreases general motor activity of rats in the elevated plus-maze but does not alter aversion to the open arms

Antilisterial activity of lactic acid bacteria inoculated on cooked ham

Antilisterial activity of a crude preparation of Lactobacillus sakei 1 bacteriocin and its lack of influence on Listeria monocytogenes haemolytic activity

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INFONA - science communication portal

Search results for: R.C.R. Martinez

Isolation and identification of bacteriocinogenic strain of Lactobacillus plantarum with potential beneficial properties from donkey milk

Involvement of dopaminergic mechanisms in the nucleus accumbens core and shell subregions in the expression of fear conditioning

Thermal stress decreases general motor activity of rats in the elevated plus-maze but does not alter aversion to the open arms

Antilisterial activity of lactic acid bacteria inoculated on cooked ham

Antilisterial activity of a crude preparation of Lactobacillus sakei 1 bacteriocin and its lack of influence on Listeria monocytogenes haemolytic activity

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