Comparison of Selective Media for Isolation and Detection of Shigella spp. from Foods

인예원,; 하수정,; 오세욱,

doi:10.3746/jkfn.2011.40.7.1025

Cited by 4 publications

(3 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…However, S. flexneri ATCC 12022 showed different CFUs of around 1.6 × 10 8 CFU/ml on TSA and 0.8 × 10 8 CFU/ml on SSA. These different CFU results based on the media suggest that SSA may be stringent for some strains of Shigella spp., especially when the culture is stressed [ 25 , 26 ].…”

Section: Resultsmentioning

confidence: 99%

Impact of UV-C Irradiation on Bacterial Disinfection in a Drinking Water Purification System

Kim

Yoon

Lee

et al. 2022

J. Microbiol. Biotechnol.

View full text Add to dashboard Cite

The supply of microbiological risk-free water is essential to keep food safety and public hygiene. And removal, inactivation, and destruction of microorganisms in drinking water are key for ensuring safety in the food industry. Ultraviolet-C (UV-C) irradiation is an attractive method for efficient disinfection of water without generating toxicity and adversely affecting human health. In this study, the disinfection efficiencies of UV-C irradiation on Shigella flexneri (Gram negative) and Listeria monocytogenes (Gram positive) at various concentrations in drinking water were evaluated using a water purifier. Their morphological and physiological characteristics after UV-C irradiation were observed using fluorescence microscopy and flow cytometry combined with live/dead staining. UV-C irradiation (254 nm wavelength, irradiation dose: 40 mJ/cm 2 ) at a water flow velocity of 3.4 L/min showed disinfection ability on both bacteria up to 10 8 CFU/4 L. And flow cytometric analysis showed different physiological shift between S. flexneri and L. monocytogenes after UV-C irradiation, but no significant shift of morphology in both bacteria. In addition, each bacterium revealed different characteristics with time-course observation after UV-C irradiation: L. monocytogenes dramatically changed its physiological feature and seemed to reach maximum damage at 4 h and then recovered, whereas S. flexneri seemed to gradually die over time. This study revealed that UV-C irradiation of water purifiers is effective in disinfecting microbial contaminants in drinking water and provides basic information on bacterial features/responses after UV-C irradiation.

show abstract

Section: Resultsmentioning

confidence: 99%

Impact of UV-C Irradiation on Bacterial Disinfection in a Drinking Water Purification System

Kim

Yoon

Lee

et al. 2022

J. Microbiol. Biotechnol.

View full text Add to dashboard Cite

show abstract

“…; In et al . ). Shigella has been isolated from different food products such as tomatoes, sandwiches, salads and soups (Bagamboula et al .…”

Section: Introductionmentioning

confidence: 97%

“…S. dysenteriae is the main cause of infection in developing countries, while S. sonnei causes most of the infections in developed countries (Kotloff et al 1999). Only a few bacterial cells are required to cause infection, the symptoms of which include exothermic reactions, diarrhea, abdominal pain and sometimes vomiting (Eilers et al 2010;In et al 2011). Shigella has been isolated from different food products such as tomatoes, sandwiches, salads and soups (Bagamboula et al 2003;In et al 2013).…”

Section: Introductionmentioning

confidence: 99%

Antimicrobial Activities of Ethanol Extracts of Rhus javanica and Terminalia chebula Against Shigella Species

Yang

Kim

2014

Journal of Food Safety

Self Cite

View full text Add to dashboard Cite

This study investigated the antimicrobial activities of Oriental medicinal plant extracts against four Shigella species, i.e., Shigella sonnei, Shigella flexneri, Shigella boydii and Shigella dysenteriae. Twelve Oriental medicinal plants were extracted with 80% ethanol. When the Rhus javanica extract was used at 0.01% concentration, 98.09% of the S. sonnei cells were injured. And S. boydii showed significantly different percentages of injured cells at 0.01% and 0.5% of R. javanica extracts, and S. dysenteriae at 0.01%, 0.1% and 0.5% concentrations of the extracts (P < 0.05). Among the tested Shigella species, S. sonnei was the most easily injured, showing a higher percentage of injured cells at low R. javanica extract concentrations. The growth inhibitory effects of the R. javanica and Terminalia chebula extracts on the Shigella species at different concentrations (i.e., 1, 10 and 100 ppm) were calculated using the modified Gompertz equation. R. javanica extracts used at 100 ppm inhibited the growth of S. flexneri and S. dysenteriae for the entire cultivation period (>48 h). However, the T. chebula extract used at the same concentration did not completely inhibit the growth and caused an increased lag time corresponding to 227.0% and 174.4% for S. flexneri and S. dysenteriae, respectively.

show abstract

Development of an improved selective medium for the detection of Shigella spp.

Lee

Kang

2016

LWT

View full text Add to dashboard Cite

Comparison of Selective Media for Isolation and Detection of Shigella spp. from Foods

Cited by 4 publications

References 8 publications

Impact of UV-C Irradiation on Bacterial Disinfection in a Drinking Water Purification System

Impact of UV-C Irradiation on Bacterial Disinfection in a Drinking Water Purification System

Antimicrobial Activities of Ethanol Extracts of Rhus javanica and Terminalia chebula Against Shigella Species

Development of an improved selective medium for the detection of Shigella spp.

Contact Info

Product

Resources

About