Size matters: for bacteria, smaller is better for causing superbug infections - Dream Health

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Friday 11 August 2017

Size matters: for bacteria, smaller is better for causing superbug infections

small cells

New Insight – Common Hospital Superbugs Cause Infection

A fresh understanding has been discovered into how one of the most public hospital superbugs tend to cause infection, something which could have been utilised to develop fresh antibiotic treatments, by the scientists at the University of Sheffield. Infection is harmful which can be due to micro-organisms that are considered as germs.

Micro-organisms or microbes are said to be living organisms which seem to be so miniature in size that they are not seen without the help of a very powerful microscope and they are microscopic. The micro-organisms which tend to cause infection are called pathogens. Bacteria viruses, pathogenic fungi together with the parasites are said to be some examples of micro-organisms which tend to cause the infection.

Led by researchers from the Department of Molecular Biology and Biotechnology, of the University of Sheffield had explored the Enterococcus faecalis, a kind of bacteria which is usually found in the digestive tracts of humans and multi-resistant to antibiotics, could overcome the other microorganisms causing life-threatening infections. E-faecalis is often responsible in causing hospital-acquired infection like urinary tract infections, heart valve infections and bacteraemia, but the scientist presently tend to have little knowledge regarding the same.

Study – Formation of Short Chains of Cells

The University of Sheffield-led research team has now established several difficult mechanisms directing the maintenance of the distinctive shape of E. faecalis which tend to form cell pairs or short chains of cells. The team has disclosed that the development of short chains of cells tends to be a vital element in stopping bacteria from being recognised as a risk by the immune system.

This in turn allows infection to spread. Dr Stephane Mesnage, leading the research from the University of Sheffield stated that `their study describes that the formation of short chains of cells by E. faecalis seems to be a critical step in causing an infection. Bacteria which tend to form long chains of cells are recognised efficiently and immersed by the host immune system while short chains of cells are efficiently recognised and immersed by the host immune system and spread in the host to cause infection’.

He further added that `E. faecalis is an opportunistic pathogen and is naturally resistant to a wide range of antibiotics, inclusive of synthetic penicillin derivatives. Following an antibiotic treatment, E. faecalis can out-compete other microorganisms in causing infection. Their work recommends that targeting the mechanisms controlling the formation of short chains of cells could be a novel strategy for developing new treatments to combat E. faecalis infections’.

Developing Radical Solutions

Bacterial size matters, research – multiple mechanisms controlling septum cleavage and diplococcus formation are said to be critical for the virulence of the opportunistic pathogen Enterococcus faecalis, has been published in PLOS Pathogens – Bacterial size matters (PLOS Pathogens journal. Discoveries from the study construct on the position of the University of Sheffield at the forefront of the world-class research into infectious diseases.

The scientists at the University have been developing radical solutions to the global threat of disease together with antimicrobial resistance as a means of signature research projects like Florey, Imagine and the Sheffield Antimicrobial Resistance Network – SHAMROK.

Moreover the University has also been training the next generation of highly skilled scientist through its undergraduate as well as postgraduate programmes in locating some new exciting approaches to bioscience in attempting some of the biggest biomedical issues in the world. Having almost 27,000 of the brightest students from across 140 countries and learning together with 1,200 of the best academics from all over the world, the University of Sheffield is said to be one of the most leading universities in the world.

Being one of the members of the prestigious Russell Group of leading-led institutions of UK, Sheffield tends to provide outstanding teaching and research excellence across an extensive range of disciplines.

Power of Discovery/Understanding – Means of Transforming the World

With the combination of the power of discovery together with understanding, staff and students at the university have been devoted in discovering new means of transforming the world in which we tend to live in. Sheffield is believed to be the only university to be included in The Sunday Times 100 Best Not-For-Profit Organisation to Work for 2017 and has been voted as number one university in the UK for Student Satisfaction by Times Higher Education in 2014.

 It has also won four Queen’s Anniversary Prizes in the last decade in recognition of the amazing contribution to the intellectual, economic, cultural as well as the social life, to the United Kingdom. It is said that Sheffield had six Nobel Prize winners among former staff as well as students and its alumni tend to be holding positions of exceptional responsibilities together with influence all across the globe thus making a significant contributions in their selected fields.

The global research partners together with the clients comprise of Boeing, Rolls-Royce, Unilever, AstraZeneca, Glaxo SmithKline, Siemens and Airbus together with many UK and overseas government agencies and charitable foundations.

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