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Role of Water in the Metabolism and Life of Living...
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Role of Water in the Metabolism and Life of Living Organisms

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water and One Health".

Deadline for manuscript submissions: closed (31 July 2021) | Viewed by 10877

Special Issue Editors

Prof. Dr. Monica Butnariu

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Guest Editor
Chemistry & Biochemistry Discipline, Banat’s University of Agricultural Sciences and Veterinary Medicine “King Michael I of Romania” from Timisoara, 300645, Calea Aradului 119, Timis, Romania
Interests: nutritional biochemistry; pharmacology and toxicology; biologically active compounds; medical biochemistry; chemical ecology
Special Issues, Collections and Topics in MDPI journals
Dr. Radu-Vasile Bagiu

E-Mail Website
Guest Editor
Department of Microbiology, Hygiene Discipline, “Victor Babes” University of Medicine and Pharmacy, Timisoara, Eftimie Murgu square, number 2, 300041, Romania
Interests: infection; bacterial; fungal and virus detection; antibiotic resistance; essential oils; prevention; public health

Special Issue Information

Dear Colleagues,

This Special Issue focuses on recent advances and future developments in the Role of Water in the Metabolism and Life of Living Organisms. Water is one of the most important natural resources, a vital factor for all living organisms and most ecosystems, and an essential factor for human health, food production, and economic development. In living organisms, water is found in different structures, from the simplest to the most complex. Water is an excellent solvent for many substances, and is the environment in which most chemical reactions related to the metabolism of substances (and therefore, to life) take place. Water is the main constituent of all living things. Being such an important substance, water enters the structure of tissues, so some of the water will be found in the free spaces between large protein molecules or will be retained on the surface of other molecules. Thus, bound water can be intra- and extracellular, exogenous or endogenous. Water is an area of permanent interest and concern for public health due to the causal relationship between the quality and quantity of water available to the population and the state of health. An incomplete summary of invited contributions includes:

  • Modeling and simulation studies for the role of water in photosynthesis;
  • Role of water in cell function;
  • Role of water in seed germination;
  • Water potential in plant biology;
  • The primary role of water in the body;
  • The role of water in the digestive mechanism;
  • Development and evaluation of models for the role of drinking water in weight loss;
  • Association of water and the process of maintaining the health of living organisms;
  • Metabolic water (endogenous water) and exogenous water;
  • The importance of water in a diet plan;
  • The role of water in microbiology, hygiene, etc.

Prof. Dr. Monica Butnariu
Dr. Radu-Vasile Bagiu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • metabolic water (endogenous water)
  • water balance
  • water requirement
  • water as a by-product
  • water-soluble xenobiotics

Published Papers (2 papers)

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Research

11 pages, 920 KiB  
Article
Antibiotic Resistance among Escherichia coli Isolates from Hospital Wastewater Compared to Community Wastewater
by Cristina-Mirabela Gaşpar, Ludovic Toma Cziszter, Cristian Florin Lăzărescu, Ioan Ţibru, Marius Pentea and Monica Butnariu
Water 2021, 13(23), 3449; https://doi.org/10.3390/w13233449 - 4 Dec 2021
Cited by 7 | Viewed by 3323
Abstract
This study aimed to compare the antibiotic resistance levels of the indicator bacteria Escherichia coli in wastewater samples collected from two hospitals and two urban communities. Antimicrobial susceptibility testing was performed on 81 E. coli isolates (47 from hospitals and 34 from communities) [...] Read more.
This study aimed to compare the antibiotic resistance levels of the indicator bacteria Escherichia coli in wastewater samples collected from two hospitals and two urban communities. Antimicrobial susceptibility testing was performed on 81 E. coli isolates (47 from hospitals and 34 from communities) using the disc diffusion method according to the European Committee on Antimicrobial Susceptibility Testing (EUCAST) methodology. Ten antibiotics from nine different classes were chosen. The strains isolated from the community wastewater, compared to those from the hospital wastewater, were not resistant to gentamicin (p = 0.03), but they showed a significantly higher susceptibility—increased exposure to ceftazidime (p = 0.001). Multidrug resistance was observed in 85.11% of the hospital wastewater isolates and 73.53% of the community isolates (p > 0.05). The frequency of the presumed carbapenemase-producing E. coli was higher among the community isolates (76.47% compared to 68.09%) (p > 0.05), whereas the frequency of the presumed extended-spectrum beta-lactamase (ESBL)-producing E. coli was higher among the hospital isolates (21.28% compared to 5.88%) (p > 0.05). The antibiotic resistance rates were high in both the hospital and community wastewaters, with very few significant differences between them, so the community outlet might be a source of resistant bacteria that is at least as important as the well-recognised hospitals. Full article
(This article belongs to the Special Issue Role of Water in the Metabolism and Life of Living Organisms)
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13 pages, 817 KiB  
Article
Comparative Assessment of Fecal Contamination in Piped-to-Plot Communal Source and Point-of-Drinking Water
by Jannatul Ferdous, Rebeca Sultana, Ridwan Bin Rashid, Sabera Saima, Anowara Begum and Peter Kjær Mackie Jensen
Water 2021, 13(9), 1139; https://doi.org/10.3390/w13091139 - 21 Apr 2021
Cited by 5 | Viewed by 2520
Abstract
The aim of this study was to compare the water quality of piped-to-plot source water with point-of-drinking water in the households of a low-income urban area in Bangladesh. A total of 430 low-income households and 78 communal sources connected to these households were [...] Read more.
The aim of this study was to compare the water quality of piped-to-plot source water with point-of-drinking water in the households of a low-income urban area in Bangladesh. A total of 430 low-income households and 78 communal sources connected to these households were selected from the East Arichpur area of Dhaka. The water samples were collected from point-of-drinking vessels (household members’ preferred drinking vessels i.e., a mug, glass, or bottle) in households and from linked sources at six-week intervals between September 2014 and December 2015. Water samples were processed using standard membrane filtration and culture methods to quantify E. coli. Analysis of paired data from source and point-of-drinking water collected on the same day showed that fecal contamination increased from source to point-of-drinking water in the households in 51% (626/1236) of samples. Comparison between bottles vs. other wide-mouth vessels (i.e., glasses, mugs, jugs) showed significantly lower odds (p = 0.000, OR = 0.58, (0.43–0.78)) of fecal contamination compared to other drinking vessels. The findings suggest that recontamination and post-treatment contamination at the point of drinking play a significant role in water contamination in households. Hygiene education efforts in the future should target the promotion of narrow-mouth drinking vessels to reduce contamination. Full article
(This article belongs to the Special Issue Role of Water in the Metabolism and Life of Living Organisms)
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