Diarrheagenic Escherichia coli O157 from Libya: recent perspectives and challenges

Ahmed, Mohamed O.; Almshawt, Nariman F; Elnageh, Hiam R

doi:10.4081/jphia.2017.685

Cited by 2 publications

(1 citation statement)

References 14 publications

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“…Shiga toxin-producing Escherichia coli (STEC) O157 is a public health concern due to having potential for severity though it rarely caused gastroenteritis (Adams et al 2016). Nevertheless, STEC O157: H7 is broadly distributed in the environment and foods, and humans typically get infected by contaminated food and drink or direct exposure with animals (Ahmed et al 2017). Moreover, the expression of different virulence factors, extended survival capability in the environment, low infective dose, and challenges to treatment made STEC O157: H7 an enteric pathogen of principal concern around the world (Lupindu 2018).…”

Section: Introductionmentioning

confidence: 99%

Bacterial gastroenteritis in children below five years of age: a cross-sectional study focused on etiology and drug resistance of Escherichia coli O157, Salmonella spp., and Shigella spp.

et al. 2021

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Background Gastroenteritis is a common infectious disease in children, which results in high mortality and morbidity, especially in resource-poor countries. This study presents the selected main gastroenteritis causing bacteria, including Escherichia coli O157, Salmonella and Shigella species delineating their prevalence and resistance pattern to the clinically used antibiotics. Results A total of 346 stool specimens from children of clinically suspected gastroenteritis below five years have been obtained, and bacterial pathogens were recovered using selective media, biochemical and serologic tests. We found that 35 (10%) of them were confirmed bacterial gastroenteritis (BGE) with either Escherichia coli O157 (14%), Salmonella spp. (43%), and Shigella spp. (43%). Nevertheless, the prevalence of E. coli O157, Salmonella spp., and Shigella spp. in this study were documented as 1.45%, 4.34%, and 4.34%, respectively. Moreover, 2 (40%) of E. coli O157, 4 (26.67%) of Salmonella spp., and 14 (93%) of the Shigella spp. were found as multidrug-resistant. Nonetheless, Shigella spp. isolates showed 100%, 87%, and 73% resistance to cotrimoxazole, ciprofloxacin, and azithromycin respectively, while E. coli O157 showed 80% resistance to cotrimoxazole and 60% to ciprofloxacin and azithromycin. On the contrary, cotrimoxazole, ciprofloxacin, azithromycin, and tetracycline were resistant in 40%, 47%, 27%, and 53% of Salmonella spp. isolates respectively. Conclusion These findings generate significant insights on the prevalence and antibiotic resistance of the three major gastroenteritis causing bacteria in the study area. Therefore, it will help physicians and policymakers selecting the right antibiotics in essential cases, particularly, reevaluation of recommending cotrimoxazole, ciprofloxacin, and azithromycin in the management of bacterial gastroenteritis.

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Section: Introductionmentioning

confidence: 99%

Bacterial gastroenteritis in children below five years of age: a cross-sectional study focused on etiology and drug resistance of Escherichia coli O157, Salmonella spp., and Shigella spp.

et al. 2021

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Detection Eschericha Coli Bacteria: A Review of Image Processing Methods

Hussin¹

2019

IJSECS

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There have been numerous chemical studies to detect Eschericha Coli Bacteria or better known as E.coli bacteria. According to (Wisuthiphaet, et al, 2019), studies using image processing to detect E.coli bacteria have been restricted. There is an urgent need to incorporate image processing into systematic reviews for the identification of E.coli in water or food samples. The E.coli detection process takes between 24 hours to 48 hours as the bacteria needs to go through the growth phase as a result of a mixture of water samples and chemical reagents and then placed in an incubator at certain temperatures and humidity. This article review several approaches for E.coli bacteria detection from standard technique, portable hybrid imaging system, hybrid smartphone and microfluidic biosensor, smartphone and paper microfluidics and goes to fibre optics. The colour change after several hours is an indicator for detecting the presence of E.coli bacteria in the water sample. Although standard techniques such as Gold Nanoparticles, Solid phase Cytometry, Viable Plate Count and Polymerase Chain Reaction (PCR) for detection the presence of E.coli, the use of this technique involving the transfer of water samples to the laboratory, trained staff, longer sample monitoring process, expensive costs and complex procedures. E.coli detection techniques are also going through a revolutionary phase as technology advances by using a hybrid technique that combines standard technique and image processing. E.coli growth monitoring and detection process is now easier as it can be viewed using a portable device, smartphone or via a website in real-time.

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Diarrheagenic Escherichia coli O157 from Libya: recent perspectives and challenges

Abstract: not available

Cited by 2 publications

References 14 publications

Bacterial gastroenteritis in children below five years of age: a cross-sectional study focused on etiology and drug resistance of Escherichia coli O157, Salmonella spp., and Shigella spp.

Bacterial gastroenteritis in children below five years of age: a cross-sectional study focused on etiology and drug resistance of Escherichia coli O157, Salmonella spp., and Shigella spp.

Detection Eschericha Coli Bacteria: A Review of Image Processing Methods

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