104695

PREVALENCE, VIRULENCE FACTOR GENES AND ANTIBIOTIC RESISTANCE OF BACILLUS CEREUS ISOLATED FROM READY TO EAT SANDWICHES

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Last updated: 04 Jan 2025

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Abstract

ABSTRACT A total of 105 random samples of ready – to – eat meat sandwiches were collected from different localities with different sanitation levels in Zagazig City. The collected samples were steak, kofta, burger,shawarma, hawawshi, liver and sausage (15 of each).The incidence of B. cereus was 40%, 100%, 86.66%, 46.66%, 33.33%, 66.66 % and 80% in examined steak, kofta, burger, shawarma, hawawshi, liver and sausage sandwiches, respectively. The  B. cereus counts were 2.73  ±  0.17, 4.16 ±  0.28, 3.98  ±  0.25, 3.17  ±  0.21, 2.84 ±  0.24, 3.34  ± 0.23and  3.57  ±  0.31log10CFU/g in examined steak, kofta, burger, shawarma, hawawshi, liver and sausage sandwiches, respectively. The resistance of B.cereus was 100%, 90%, 90%, 80%, 75%, 75%, 70%, 70% and 65% for colistin, metronidazole, doxycycline, cephradine, streptomycin, thiamphenicol, cephaclor and erythromycin and ciprofloxacin, respectively.Meanwhile, the sensitivity obsereved for apramycin and kanamycin 55% and 45%,respectively. The multi antibiotic resistance (MAR) was ranged from 0.25 to 1. Six strain (30%) resist all examined antibiotics (12) moreover, 18 (90%) of B.cereus isolates considered as multi antibiotic resistant (resist three or more antibiotic from different classes). The cereulide(ces)gene  not detected,  The Non-hemorrhagic entero-toxin (nhe) gene detected in 7/10 (70%) and  cytotoxin (cytK) gene detected in 5/10 (50%) in identified B. cereus isolated from the examined ready to eat meat sandwiches.

DOI

10.21608/ejas.2019.104695

Keywords

Key Words:Bacillus cereus, sausage, burger, cereulide, Ready to eat, sandwiches, meat product

Volume

34

Article Issue

9

Related Issue

15815

Issue Date

2019-09-01

Receive Date

2019-08-03

Publish Date

2019-09-01

Page Start

239

Page End

253

Print ISSN

1110-1571

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https://ejas.journals.ekb.eg/article_104695.html

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https://ejas.journals.ekb.eg/service?article_code=104695

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15

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Original Article

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1,181

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Journal

Publication Title

Egyptian Journal of Applied Science

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https://ejas.journals.ekb.eg/

MainTitle

PREVALENCE, VIRULENCE FACTOR GENES AND ANTIBIOTIC RESISTANCE OF BACILLUS CEREUS ISOLATED FROM READY TO EAT SANDWICHES

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Article

Created At

22 Jan 2023