The occurrence of Aeromonas spp. in the bottled mineral water, well water and tap water from the municipal supplies

Scoaris, Denise de Oliveira; Bizerra, Fernando Cezar; Yamada‐Ogatta, Sueli Fumie; Filho, Benício Alves de Abreu; Ueda-Nakamura, Tânia; Filho, Benedito Prado Dias

doi:10.1590/s1516-89132008000500022

Cited by 10 publications

(8 citation statements)

References 42 publications

(30 reference statements)

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“…Prevalence of 48% and 52% reported by cultural and PCR assays, respectively ( Figure-3 ), in well water samples in this study were in agreement with the results of 48.7% in Libya [ 13 ] and 50% in Palestina [ 14 ], whereas lower prevalence of 8.3% [ 15 ] and 22.5% [ 16 ] were reported. Contrary to the findings of this study higher prevalence of 94.8% in various water sources in Norway [ 17 ] and cent percent in fresh water samples from Cambe stream, Brazil [ 18 ] were also reported.…”

Section: Resultssupporting

confidence: 90%

“…[ 20 ] analyzed drinking-water samples in Spain and found 26.5% were positive for aeromonads. On the contrary, lower prevalence were reported by many authors [ 15 , 21 - 23 ], which might be due to water treatment, chlorination and maintenance of supply lines in a proper manner. Prevalence of 46.2% in Palestina [ 14 ] and 96.3% in Chennai [ 23 ] were also reported indicating a high prevalence of aeromonads.…”

Section: Resultsmentioning

confidence: 88%

“…Prevalence of 12% and 16% by cultural and PCR assay, respectively ( Figure-3 ), were observed in bottled water samples in this study, which were similar to the findings of Scoaris et al . [ 15 ], whereas lower prevalence of 0% [ 26 ] was also reported. Biscardi et al .…”

Section: Resultsmentioning

confidence: 99%

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A study on the prevalence of Aeromonas spp. and its enterotoxin genes in samples of well water, tap water, and bottled water

Didugu¹,

Thirtham²,

Nelapati³

et al. 2015

Vet World

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Aim:The aim of this work was to study the prevalence of Aeromonas spp. and its enterotoxin genes in various water sources.Materials and Methods:125 samples (50 from well water, 50 from tap water, and 25 from bottled water) were collected from various sources in and around Greater Hyderabad Municipal Corporation and examined for the presence of aeromonads by both cultural and polymerase chain reaction (PCR) assay. Alkaline peptone water with ampicillin was used as enrichment. Aeromonas isolation medium and ampicillin dextrin agar were used as selective media. The boiling and snap chilling method was used for DNA extraction. Primers targeted against 16S rRNA, aer, and ast were used to identify aeromonads and its enterotoxins.Results:48%, 18%, and 12% of well water, tap water, and bottled water samples were found positive by cultural assay with an overall prevalence of 28.8%. Aeromonads were detected in 32 % (52% in well water, 20% in tap water, and 16% in bottled water) of samples by PCR assay. Aerolysin (aer) gene was noticed in 34.6%, 20%, and 0% of well water, tap water, and bottled water samples, respectively, with an overall prevalence of 27.5%. Thermostable cytotonic enterotoxin (ast) was observed in 37.5% (42.3% in well water, 30% in tap water, and 25% in bottled mineral water) of samples.Conclusions:Presence of aeromonads and its toxin genes in various sources of water is of public health concern and emphasizes the need for necessary preventive measures to tackle the problem.

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Section: Resultssupporting

confidence: 90%

Section: Resultsmentioning

confidence: 88%

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A study on the prevalence of Aeromonas spp. and its enterotoxin genes in samples of well water, tap water, and bottled water

Didugu¹,

Thirtham²,

Nelapati³

et al. 2015

Vet World

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“…The lowest occurrence of the organism was observed in tap water. Koksal et al [35] and Scoaris et al [36] reported similar low presence of A. hydrophila in tap water sources. This is likely due to treatment given to the water, especially chlorination, which can reduce the number of microorganisms in water.…”

Section: Prevalence Of Aeromonas Hydrophila In Selected Water Sources For Household Consumption In Makurdimentioning

confidence: 85%

Presence and Virulence Potential of Aeromonas hydrophila in Selected Water Sources for Household Consumption in Makurdi, Benue State

Mnguchivir

Chukwuma

Agba

2021

MRJI

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This study was conducted to investigate the prevalence of Aeromonas hydrophila in selected drinking water sources in Makurdi. A total of 100 water samples (Tap, river, stream, well, pond and borehole water) were collected from different locations in Makurdi. Isolation and identification of the organism was performed using standard microbiological techniques. Further confirmation of the isolates as Aeromonas hydrophila was carried out using the Microbact 24E detection kit and polymerase chain reaction (PCR). A. hydrophila was detected in 12 (12%) out of the 100 samples; 6.67%, 8.82%, 7.14%, 25%, 30% and 20% of tap, well, borehole, river, pond and stream water samples respectively. The highest isolation rate of A. hydrophila (30%) was from pond water. All A. hydrophila isolated exhibited heamolysin, protease and lipase activity. The findings of this study revealed that treated and untreated drinking water sources in Makurdi are contaminated with potentially virulent A. hydrophila strains which may pose a health risk to consumers. Therefore, basic water treatment should be applied to drinking water to reduce public health threat posed by this finding.

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“…More importantly, the scientific community is concerned about bottled water quality. Bottled waters marketed in several countries have been studied for bacteriological contamination and investigated for the presence of chemical compounds and radioactivity [12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

News about Tap and Bottled Water: Can This Influence People’s Choices?

Queiroz¹

2012

JEP

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The pursuit of alternative safe water has increased dramatically the world trade in bottled water. Events happened in Canada which changed the population's perception about the quality of tap water, despite all government efforts. Media has an important role to pass on information because there is value judgment in its reports. As a result, this study aims to present recent data from two Canadian newspapers of national circulation, which refer to tap water and bottled water. It used quantitative and qualitative data for this analysis. The study concludes that the media, taken into consideration, provides its readers with important information, but the information can also be ambiguous. Nevertheless, it arouses interest in further research about this subject matter and about protecting water resources.

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The occurrence of Aeromonas spp. in the bottled mineral water, well water and tap water from the municipal supplies

Abstract: 41.6, 14.8 and 9.0 % of the artesian water, bottled mineral water and tap water, respectively, sampled in the current study failed to meet the Brazilian standard for total coliforms in the drinking water should therefore be of concern.

Cited by 10 publications

References 42 publications

A study on the prevalence of Aeromonas spp. and its enterotoxin genes in samples of well water, tap water, and bottled water

A study on the prevalence of Aeromonas spp. and its enterotoxin genes in samples of well water, tap water, and bottled water

Presence and Virulence Potential of Aeromonas hydrophila in Selected Water Sources for Household Consumption in Makurdi, Benue State

News about Tap and Bottled Water: Can This Influence People’s Choices?

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