A study of isolation and identification of bacteria from lake water in and around Udaipur, Rajasthan

Bhumbla, Upasana; Majumdar, Shipra; Jain, Sarita; Dalal, Anu

doi:10.4103/jfmpc.jfmpc_1032_19

Cited by 7 publications

(4 citation statements)

References 3 publications

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“…Total coliform (TC) and fecal coliform (FC) densities are typically used as fecal pollution indicators because they are invariably present in the feces of humans and other warm‐blooded animals in large numbers, can be easily detected in highly diluted bodies of water (Barraza, 2018; Barrera, Fernández, Wong‐Chang, & Romero, 2013; Bhumbla, Majumdar, Jain, & Dalal, 2020), and can be used as a microbial surrogate for water quality monitoring (Motlagh & Yang, 2019). Therefore, the presence of these microorganisms is used to evaluate and monitor water quality (Wen et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Coliform bacteria in San Pedro Lake, western Mexico

Ramos-Ramírez

Romero-Bañuelos

Jiménez-Ruíz

et al. 2020

Water Environment Research

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Urbanization, livestock activities, and rainfall are factors that contribute to the contamination of inland water. This study aimed to determine the spatial and temporal variability of total coliforms (TCs) and fecal coliforms (FCs) in the surface water of San Pedro Lake as well as the gills and skin of Nile tilapia (Oreochromis niloticus) cultivated in the lake. The study consisted of seasonal sampling during an annual cycle. Using the multiple‐tube fermentation technique, we quantified the microbial load of TCs in the lake and fish. The median of the TC and FC groups in surface water showed differences during the seasonal cycle, in which a significant correlation was observed between rainfall and bacterial load in the lake surface water. There was a significant seasonal difference between FCs and TCs in the gills as well as in skin FCs. Anthropogenic activities in the watershed combined with rainfall influence the bacterial load of San Pedro Lake. However, the water quality is still classified as excellent and uncontaminated according to Mexican regulations with lower FC values acceptable for higher FC values. In addition, the bacterial load in tilapia from San Pedro Lake does not pose a risk to human health. Practitioner points Watershed livestock activities combined with rainfall increase fecal matter pollution in specific areas of the lake. San Pedro Lake displays satisfactory quality for aquatic life. The median fecal coliform population in lake fish (gills and skin) differs by season.

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Section: Introductionmentioning

confidence: 99%

Coliform bacteria in San Pedro Lake, western Mexico

Ramos-Ramírez

Romero-Bañuelos

Jiménez-Ruíz

et al. 2020

Water Environment Research

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show abstract

“…and Coagulase Negative Staphylococcus (CONS) respectively in the water which were not similar with the present study. 56 A study by Deji-Agboola et al in Nigeria revealed the presence of coliforms in the tap water samples including E. coli, Klebsiella spp. and Enterobacter spp.…”

Section: Discussionmentioning

confidence: 99%

“…and Coagulase Negative Staphylococcus (CONS) respectively in the water which were not similar with the present study. 56…”

Section: Discussionmentioning

confidence: 99%

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Molecular characterization of antimicrobial resistance organisms from drinking water and wastewater in a metropolitan city

Akhtar,

Farhana,

Hossain

et al. 2024

Preprint

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Background: Antimicrobial resistant (AMR) organisms in environment may harm people. This study assessed the phenotypic and genotypic characteristics of AMR organisms from drinking water and wastewater. Materials and methods: This cross-sectional study conducted randomly on 30 samples (15 drinking water samples from household places; 15 sewage lifts stations) and collected aseptically, filtered, inoculated and isolated from culture plates, identified biochemically of pathogenic bacteria, and disc diffusion tested for antibiotic susceptibility. The primers of the targeted antimicrobial resistance genes were used for molecular amplification. Results: Twenty-five bacteria were isolated from 30 drinking and wastewater samples. Pseudomonas spp. (36%), Enterobacter spp. (28%), Escherichia coli (20%), Citrobacter spp.(4%), Acinetobacter spp (4%) and Klebsiella oxytoca (4%) were isolated. Most of the isolates exhibited resistance to multiple groups of antibiotics, with meropenem, imipenem, gentamicin, ciprofloxacin, and amikacin showing the highest sensitivity against the isolates. Multiplex PCR confirmed the presence of two ESBL genes (blaSHV and blaCTX-M-15) and five carbapenemase genes (blaIMP, blaVIM, blaKPC, blaOXA1, blaNDM1) in resistant bacteria and blaCTX-M- 15 (53.3%) followed by blaKPC (46.7%) genes were the most prevalent from drinking and wastewater samples respectively. According to WHO's sanitary inspection risk score classification, 60% of drinking water samples scored 4 out of 11, categorizing them as intermediate risk based on hazard score. Conclusions: This study addresses antimicrobial resistance in the environment, emphasizing public health implications; advocating for improved environmental regulations to mitigate AMR organism discharge through wastewater and drinking water.

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Assessment of influence of heavy metal, organochlorine pesticide, and bacterial presence on water quality of Gomti river, India

Kumar

Raj

et al. 2022

Environ Dev Sustain

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A study of isolation and identification of bacteria from lake water in and around Udaipur, Rajasthan

Cited by 7 publications

References 3 publications

Coliform bacteria in San Pedro Lake, western Mexico

Coliform bacteria in San Pedro Lake, western Mexico

Molecular characterization of antimicrobial resistance organisms from drinking water and wastewater in a metropolitan city

Assessment of influence of heavy metal, organochlorine pesticide, and bacterial presence on water quality of Gomti river, India

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