MPN-PCR detection and antimicrobial resistance of Listeria monocytogenes isolated from raw and ready-to-eat foods in Malaysia

Marian, Mary; Aminah, S. M. Sharifah; I, Zuraini M; Radu, Son; Maimunah, M.; Lee, H.Y.; Wong, Woan Chwen; Elexson, N.

doi:10.1016/j.foodcont.2012.05.030

Cited by 68 publications

(53 citation statements)

References 32 publications

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“…Similar values were reported by Rahini et al, (2010) (15.8%) and Jamali et al, (2013) (11.1%). However, no resistance was found in cooked ham, dried pork sausages, ice cream and smoked salmon, which concurs with Conter et al, (2009) andMarian et al, (2012). In the present paper, resistance to cephalothin was found in pasteurized cheese (21.4%) and smoked salmon (1.4%).…”

Section: Discussionsupporting

confidence: 91%

“…On the other hand, all strains were susceptible to cloramphenicol. The same result was found by Marian et al (2012) in RTE foods. However, values around 10% were found by Arslam andÖzdemir (2008), andRahini et al, (2010).…”

Section: Discussionsupporting

confidence: 87%

“…Higher percentages were obtained in dairy products by Rahini et al, 2010 (26.3%) and Harakeh et al, 2009 (60%) and in Malaysian ready-to-eat food (100%). (Marian et al, (2012).…”

Section: Discussionmentioning

confidence: 99%

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Prevalence and antimicrobial resistance of Listeria monocytogenes and Salmonella strains isolated in ready-to-eat foods in Eastern Spain

et al. 2015

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Antimicrobial resistance is a major global public health concern and a food safety issue considered in the framework of Horizon 2020. Bearing this in mind, the current study determined the prevalence of L. monocytogenes and Salmonella strains isolated in ready-to-eat food sampled in industry and retail (78); ice cream (376) and smoked salmon (205). The results showed that L. monocytogenes was present in 3.8% of the samples, being most common in smoked salmon. Salmonella was not found in any of the products studied with the exception of 7 out 78 samples of dried pork sausage. Both L. monocytogenes and Salmonella showed resistance to 4 antimicrobials (ampicillin, cephalothin, tetracycline and trimethoprim-sulfamethoxazole). Moreover, the former was resistant to amikacin, ciprofloxacin, erythromycin and vancomycin while the later showed resistance to amoxicillinclavulanate and chloramphenicol. Furthermore, multi-resistance was found for both microorganisms.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionsupporting

confidence: 87%

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Prevalence and antimicrobial resistance of Listeria monocytogenes and Salmonella strains isolated in ready-to-eat foods in Eastern Spain

et al. 2015

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“…al. [15]. Listeria welshimeri isolate obtained in this study was most resistant against antibiotics, while Listeria innocua was not resistant against any tested antibiotics.…”

Section: Discussionmentioning

confidence: 59%

Prevalence and Antimicrobial Susceptibility of Listeria spp. in Dairy Food Products and Water Samples in Dhaka, Bangladesh

Sarker¹,

Ahmed²

2015

JLS

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A total of 57 samples, of which 17 were surface water samples and 40 were dairy food samples (raw milk, pasteurized milk, icecream, sweet, milk based drink like matha and borhani) were tested for the isolation of Listeria spp. Putative Listeria isolates were identified by conventional microbiological tests and Analytical Profile Index. Overall prevalence of Listeria spp. in both food and water samples were 8.77%, of which one was (1.75%) Listeria monocytogenes, 2 (3.5%) were Listeria innocua and 2 were (3.5%) Listeria welshimeri. When compared between two types of samples, water samples contained two Listeria spp. (11.76%) of which one was pathogenic Listeria monocytogenes and the other was Listeria innocua. In case of food samples, three Listeria spp. (7.5%) were isolated of which one was Listeria innocua (icecream sample) and two were Listeria welshimeri (icecream sample and raw milk). No Listeria was found in pasteurized milk, sweet, matha and borhani. Antibiotic resistance profile of the Listeria isolates showed that 60% isolates were resistant to Ampicillin and Erythromycin, 20% isolates were Sulphamethoxazole and Ciprofloxacin resistant. No resistance was observed to Chloramphenicol for any Listeria isolates.

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“…DNA extraction was conducted using the boiled-cell method [16]. A 500 µl [9] portion of the broth was centrifuged at 10,000 rpm for 2 min.…”

Section: Dna Extractionmentioning

confidence: 99%

Assessment of Listeria monocytogenes in pet food

et al. 2018

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Background: Listeria monocytogenes is one of the commonly isolated foodborne pathogens which cause illness, and listeriosis is a disease caused by this pathogen in human beings. Pets that consume contaminated pet food diets can be colonized by L. monocytogenes without showing clinical signs making the pets a possible source of contamination in the household. This study aimed to detect and enumerate the presence of L. monocytogenes in pet food diets, namely cat and dog food.Result: A total of 32 samples consisting of wet food (25%), dry food (25%), treats (25%), and leftover household samples (25%) were examined for this study. The pet food diets were sampled from pet food shops, grocery stores, and households located in Kuching and Kota Samarahan. The analysis was conducted using the most probable numberpolymerase chain reaction (MPN-PCR). According to the results obtained from MPN-PCR, none of the samples were contaminated by L. monocytogenes. Conclusion:Being the first biosafety assessment of L. monocytogenes in pet food in Malaysia, this study can contribute to the building of a database regarding the potential contamination of pet food diets by L. monocytogenes.

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MPN-PCR detection and antimicrobial resistance of Listeria monocytogenes isolated from raw and ready-to-eat foods in Malaysia

Cited by 68 publications

References 32 publications

Prevalence and antimicrobial resistance of Listeria monocytogenes and Salmonella strains isolated in ready-to-eat foods in Eastern Spain

Prevalence and antimicrobial resistance of Listeria monocytogenes and Salmonella strains isolated in ready-to-eat foods in Eastern Spain

Prevalence and Antimicrobial Susceptibility of Listeria spp. in Dairy Food Products and Water Samples in Dhaka, Bangladesh

Assessment of Listeria monocytogenes in pet food

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