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The big concern is the spread of new and emerging contaminants like ARGs through the water system and an increase in development of antibiotic-resistant super bugs, the researchers warned. Pixabay

In an alarming find, a team of US researchers has discovered that antibiotic-resistant genes (ARGs) were prevalent in groundwater, posing a potential hazard to public safety and water security.

The big concern is the spread of new and emerging contaminants like ARGs through the water system and an increase in development of antibiotic-resistant super bugs, the researchers warned.


“ARGs are not regulated in any way and are a challenging emerging contaminant of concern due to our reliance on biological treatment in the engineered water cycle,” said Adam Smith, Assistant Professor at the University of Southern California (USC).

“Because they are biological contaminants — small fragments of DNA that are released to the environment — bacteria present in receiving environments can uptake them, becoming resistant themselves, and further perpetuating the spread of resistance.”


The big concern is the spread of new and emerging contaminants like ARGs through the water system and an increase in development of antibiotic-resistant super bugs, the researchers warned. Pixabay

Smith and a team of researchers including Moustapha Harb from Lebanese American University and PhD students Phillip Wang and Ali Zarei-Baygi from the USC’s Viterbi School of Engineering, studied and compared samples from an advanced groundwater treatment facility in southern California and groundwater aquifers to detect differences in ARG concentrations.

While they found that the advanced groundwater treatment facility reduced nearly all targeted ARGs to below detection limits, groundwater samples had a ubiquitous presence of ARGs in both control locations and locations recharged with water from the advanced water treatment facility.

While some ARGs are naturally occurring in microbial communities, antibiotics, ARGs and antibiotic resistant pathogens are on the rise in water sources as a result of the overuse of antibiotics in general.

“Looking at the differences in ARGs between various water sources is incredibly important in considering future health hazards, like development of super bugs,” Smith said in a paper published in the journal Environmental Science & Technology Letters.

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Since wastewater treatment plants are not generally designed for removal of micro-pollutants like antibiotics, they tend to persist in treatment systems, leading to high densities of ARG resistant bacteria at different stages of treatment.

When this water is introduced into an aquifer, where ARGs are already naturally occurring, it can become contaminated with ARGs and antibiotic-resistant bacteria.

To further complicate the issue, ARGs are easily transferred through horizontal gene transfer, increasing the risk for antibiotic resistant pathogens.

“We must act fast before we enter a so called ‘post-antibiotic world’ where bacterial infections become impossible to treat,” Smith warned. (IANS)


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The aim of the book is to teach children that families can exist in different forms, and show them how to accept the diversity in family backgrounds.

By Siddhi Jain

Delhi-based author Pritisha Borthakur is set to release her new book, 'Puhor and Niyor's Mural of Family Stories'. The 1,404-word children's book was put together to address a new kind of societal debacle in the family system. The author says the aim is to teach children that families can exist in different forms, and show them how to accept the diversity in family backgrounds.

The author who named the book after her twin sons -- Puhor and Niyor -- is a parent who has seen and heard the tales of ridicule and discrimination suffered by many in India and beyond. She says the book is an artistic illustration for kids that details how different families can live and coexist. Whether it's children with two dads or two moms, children with a single dad or single mom, and even multiracial family units, Borthakur's book teaches love, understanding, and compassion towards unconventional families.

Beyond race, gender, color, and ethnicity which have formed the bases for discrimination since the beginning of time, this book aims to bring to light a largely ignored issue. For so long, single parents have been treated like a taboo without any attempt to understand their situations; no one really cares how or why one's marriage ended but just wants to treat single parents as villains simply for choosing happiness and loving their children.

Homosexual parents, a relatively new family system, is another form that has suffered hate and discrimination for many years. Pritisha emphasizes the need to understand that diversity in people and family is what makes the world beautiful and colourful. 'Puhor and Niyor's Mural of Family Stories' is a firm but compassionate statement against all forms of discrimination on the bases of sexual identity, gender, race, and even differences in background

four children standing on dirt during daytime 'Puhor and Niyor's Mural of Family Stories' is a firm but compassionate statement against all forms of discrimination on the bases of sexual identity, gender, race and even differences in background. | Photo by Ben Wicks on Unsplash


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