Assessment of spring water microbiology and role of Typha angustata as biosorbent

2019 ◽  
Vol 91 (12) ◽  
pp. 1705-1717 ◽  
Author(s):  
Shaukat Ali ◽  
Rashid Mahmood ◽  
Areesha Muneer ◽  
Maryam Khalil ◽  
Nazish Sheikh ◽  
...  
Keyword(s):  
Spring Water ◽  
Water Microbiology ◽  
Typha Angustata

scholarly journals Drinking water and diarrhoeal disease due to Escherichia coli

2003 ◽  
Vol 1 (2) ◽  
pp. 65-72 ◽  
Author(s):  
Paul R. Hunter
Keyword(s):  
Escherichia Coli ◽  
Drinking Water ◽  
Clinical Presentation ◽  
Diarrhoeal Disease ◽  
Central Place ◽  
E Coli ◽  
Related Disease ◽  
Direct Damage ◽  
Water Microbiology

Escherichia coli has had a central place in water microbiology for decades as an indicator of faecal pollution. It is only relatively recently that the role of E. coli as pathogen, rather than indicator, in drinking water has begun to be stressed. Interest in the role of E. coli as a cause of diarrhoeal disease has increased because of the emergence of E. coli O157:H7 and other enterohaemorrhagic E. coli, due to the severity of the related disease. There are enterotoxigenic, enteropathogenic, enterohaemorrhagic, enteroinvasive, enteroaggregative and diffusely adherent strains of E. coli. Each type of E. coli causes diarrhoeal disease through different mechanisms and each causes a different clinical presentation. Several of the types cause diarrhoea by the elaboration of one or more toxins, others by some other form of direct damage to epithelial cells. This paper discusses each of these types in turn and also describes their epidemiology, with particular reference to whether they are waterborne or not.

The role of simulated spring water stress in interactions between eastern larch and larch casebearer

2019 ◽  
Vol 13 (4) ◽  
pp. 621-633 ◽  
Author(s):  
Samuel F. Ward ◽  
Aubree M. Kees ◽  
Mitchell P. Maddox ◽  
Rebecca A. Montgomery ◽  
Brian H. Aukema
Keyword(s):  
Water Stress ◽  
Spring Water

Role of Ceramics Treatment in Fluidization Method to Remove Scale from Hot Spring Water

2005 ◽  
Vol 5 (3) ◽  
pp. 279-282 ◽  
Author(s):  
Katsumi Ishikawa . ◽  
Md. Abul Kalam Azad . ◽  
Naima Islam .
Keyword(s):  
Hot Spring ◽  
Spring Water

scholarly journals ASM Affairs, March 2005

2005 ◽  
Vol 26 (1) ◽  
pp. 34
Keyword(s):  
Advisory Committee ◽  
Clinical Microbiology ◽  
Standing Committee ◽  
Scientific Advisory Committee ◽  
Standard Methods ◽  
Scientific Advisory ◽  
Water Microbiology ◽  
Australian Standard ◽  
Major Review

Standing Committee on Biosafety; Standing Committee on Clinical Microbiology; The role of the National Scientific Advisory Committee (NSAC) in ASM; Announcing a major review of Australian Standard Methods for Water Microbiology: the AS 4276 Series; ASM awards and prizes; Emerging Microbiologists

scholarly journals Physiological Effects of Manganese Gluconate and Calcium Combination from Saint-Gervais Mont Blanc Spring Water for Human Keratinocytes Differentiation

2021 ◽  
Vol 7 (2) ◽  
pp. 1-6
Author(s):  
Franck Juchaux ◽  
Keyword(s):  
Barrier Function ◽  
Skin Barrier ◽  
Human Keratinocytes ◽  
Spring Water ◽  
Keratinocyte Differentiation ◽  
Skin Barrier Function ◽  
Transglutaminase 1

Alterations of skin barrier function affect quality of life and there is a need to develop dermatological/cosmetic treatments to reinforce or restore it. Inspiring of Hailey-Hailey disease, in which barrier alteration is due to a mutation of a Calcium-transporting protein (ATP2C1), we focused on the role of minerals and more especially those contained in Saint-Gervais Mont Blanc (SGMB) spring water to reinforce barrier function. Objectives: Demonstrate the interest to enrich SGMB spring water with manganese to improve both keratinocytes differentiation and barrier function. Methods: Effects of treatments on the expression of ATP2C1 and on the expression of key markers in keratinocyte differentiation and barrier function were studied by gene expression analysis on keratinocytes monolayers and also by measuring the protein expression of transglutaminase 1 using in situ immunofluorescence and image analysis in keratinocytes monolayers. Results: SGMB spring water stimulates transcriptomic expression of key markers involved in keratinocytes differentiation and barrier function while manganese gluconate has no effect. Combination of both dramatically enhances keratinocytes differentiation, in a synergistic way, at both transcriptomic and protein level. None of treatments modulated ATP2C1 expression. Conclusion: These results highlight the interest to enrich SGMB spring water with manganese to boost keratinocytes differentiation and barrier function.

scholarly journals The Important Role of Metal Ions for Survival of Francisella in Water within Amoeba Environment

2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
Mateja Ozanic ◽  
Valentina Marecic ◽  
Masa Knezevic ◽  
Andrea Majstorovic ◽  
Paula Zurga ◽  
...  
Keyword(s):  
Metal Ions ◽  
Organic Compounds ◽  
Growth Kinetics ◽  
Spring Water ◽  
Harsh Environments ◽  
Gram Negative ◽  
Coculture Model ◽  
Environmental Reservoir ◽  
Negative Effect

Francisella tularensis is a gram-negative facultative intracellular bacterium that resists harsh environments. Several outbreaks of tularemia are linked to the consumption and contact with spring water. The number of F. tularensis in some waters is high, while in others, this bacterium does not survive. Except organic compounds, metals could be important for the survival of F. tularensis in water. Some Francisella strains showed the association with amoeba, which may act as the environmental reservoir. This study was aimed at following the role of metal ions and/or amoeba in the existence and replication of F. novicida in spring waters by growth kinetics, acquisition of metals, and ultrastructural analyses of bacteria. The bacteria showed a longer survival in water with higher initial concentrations of Mn and Zn. Although Mn and Zn were necessary for the survival of F. novicida, the results also showed that the bacterium does not grow in water with high levels of Zn. In contrast, high levels of Mn did not have such a negative effect on the survival of this bacterium in water. In addition, while F. novicida benefits presence of amoeba in spring water, the number of amoebae is decreasing in a coculture model with F. novicida.

scholarly journals Water Quality and Mortality from Coronary Artery Disease in Sardinia: A Geospatial Analysis

Nutrients ◽  
2021 ◽  
Vol 13 (8) ◽  
pp. 2858
Author(s):  
Maria Pina Dore ◽  
Guido Parodi ◽  
Michele Portoghese ◽  
Alessandra Errigo ◽  
Giovanni Mario Pes
Keyword(s):  
Water Quality ◽  
Coronary Artery Disease ◽  
Coronary Artery ◽  
Ecological Study ◽  
Spatial Association ◽  
Spring Water ◽  
Mineral Waters ◽  
Inverse Association ◽  
Artery Disease

The role of water hardness on human health is still debated, ranging from beneficial to harmful. Before the rise of drinking bottled water, it was a common habit to obtain supplies of drinking water directly from spring-fed public fountains. According to the geographic location, spring waters are characterized by a variable content of mineral components. In this ecological study, for the first time in Sardinia, Italy, the spatial association between spring water quality/composition and standardized mortality ratio (SMR) for coronary artery disease (CAD) in the decade from 1981 to 1991 was investigated using data retrieved from published databases. In a total of 377 municipalities, 9918 deaths due to CAD, including acute myocardial infarction (AMI), ICD-9 code 410, and ischemic heart disease (IHD), ICD-9 code 411–414, were retrieved. A conditional autoregressive model with spatially structured random effects for each municipality was used. The average SMR for CAD in municipalities with a predominantly “soft” (<30 mg/L) or “hard” (≥30 mg/L) water was, respectively, 121.4 ± 59.1 vs. 104.7 ± 38.2 (p = 0.025). More specifically, an inverse association was found between elevated calcium content in spring water and cardiovascular mortality (AMI: r = −0.123, p = 0.032; IHD: r = −0.146, p = 0.009) and borderline significance for magnesium (AMI: r = −0.131, p = 0.054; IHD: r = −0.138, p = 0.074) and bicarbonate (IHD: r = −0.126, p = 0.058), whereas weak positive correlations were detected for sodium and chloride. The lowest CAD mortality was observed in geographic areas (North-West: SMR 0.92; South-East: SMR 0.88), where calcium- and bicarbonate-rich mineral waters were consumed. Our results, within the limitation of an ecological study, confirm the beneficial role of waters with high content in calcium and bicarbonate against coronary artery disease.

scholarly journals Opening the black box of spring water microbiology from alpine karst aquifers to support proactive drinking water resource management

2018 ◽  
Vol 5 (3) ◽  
pp. e1282 ◽  
Author(s):  
Domenico Savio ◽  
Philipp Stadler ◽  
Georg H. Reischer ◽  
Alexander K.T. Kirschner ◽  
Katalin Demeter ◽  
...  
Keyword(s):  
Drinking Water ◽  
Resource Management ◽  
Water Resource ◽  
Water Resource Management ◽  
Black Box ◽  
Spring Water ◽  
Karst Aquifers ◽  
Drinking Water Resource ◽  
Water Microbiology
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