A study has shown that antibiotics can protect or even benefit bacteria. Getty Images
A study has shown that antibiotics can protect or even benefit bacteria. Getty Images
A study has shown that antibiotics can protect or even benefit bacteria. Getty Images
A study has shown that antibiotics can protect or even benefit bacteria. Getty Images

Why antibiotics may not be the best option for bacterial infections


Soraya Ebrahimi
  • English
  • Arabic

Antibiotics can help some bacteria survive for longer and protect them from death, research has suggested.

The drugs have traditionally been used as a blanket medication for infections, as it is believed they kill bacteria or stop them from growing.

However, research has shown that the drugs can actually protect or even benefit bacteria, with some cultures not growing in the laboratory until they were treated with antibiotics.

Antibiotic resistance has stopped some drugs from working as bacteria change in response to the use of these medicines.

This means that untreatable infections could be the biggest global cause of death by 2050, experts say.

In the research funded by the Engineering and Physical Sciences Research Council and published in the Proceedings of the National Academy of Sciences journal, the team found that certain antibiotics can alleviate stress and help prevent the decline of bacterial populations when they are dying out.

This means more bacteria survive for longer compared to untreated populations.

“The study began when we realised that, surprisingly, some bacterial strains didn’t grow in the lab until we treated them with antibiotics,” said lead author Robert Beardmore, from the University of Exeter.

“As a result, this is the first evidence that antibiotics can promote bacterial survival.

“To tackle antibiotic resistance worldwide, we need to understand far more about the impact of these drugs on the balance of bacterial ecosystems, like those in the gut microflora, or in rivers that are exposed to antibiotics.

“Our research is evidence of unseen side effects – we just don’t know how drugs are changing the balance of bacterial populations in those contexts.”

Dangers of online health diagnoses – in pictures

  • Health experts have long warned of the dangers of using the internet to find medical advice instead of seeing a GP - a trend referred to as "Doctor Google".
    Health experts have long warned of the dangers of using the internet to find medical advice instead of seeing a GP - a trend referred to as "Doctor Google".
  • Researchers researchers from Boston's Brigham and Women's Hospital suggest searching the web for a diagnosis.may be less harmful than medical professionals believe. Photo: Scott Eisen/Bloomberg via Getty Images
    Researchers researchers from Boston's Brigham and Women's Hospital suggest searching the web for a diagnosis.may be less harmful than medical professionals believe. Photo: Scott Eisen/Bloomberg via Getty Images
  • Participants in the study of 5,000 people demonstrated modest improvements in reaching an accurate diagnosis after looking up symptoms online.
    Participants in the study of 5,000 people demonstrated modest improvements in reaching an accurate diagnosis after looking up symptoms online.
  • For the next phase, David Levine, managing director of general internal medicine and primary care at the Brigham, intends to investigate further the ability of AI to help people diagnose their own condition correctly. (Photo by: BSIP/Universal Images Group via Getty Images)
    For the next phase, David Levine, managing director of general internal medicine and primary care at the Brigham, intends to investigate further the ability of AI to help people diagnose their own condition correctly. (Photo by: BSIP/Universal Images Group via Getty Images)

Bacteria undergo periods of rapid growth, punctuated by periods where growth stops because nutrients are scarce, so the bacteria die off.

So far, little is known about how antibiotics mediate populations during those periods.

The researchers examined E coli in lab experiments.

They found that antibiotics that attacked ribosomes – factories that help cells make protein from DNA – slowed bacteria down as they were growing.

But they also stopped them from dying, meaning the bacteria survived for longer overall, the study suggests.

Fatherland

Kele Okereke

(BMG)

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Global state-owned investor ranking by size

1.

United States

2.

China

3.

UAE

4.

Japan

5

Norway

6.

Canada

7.

Singapore

8.

Australia

9.

Saudi Arabia

10.

South Korea

Brief scores:

Southampton 2

Armstrong 13', Soares 20'

Manchester United 2

Lukaku 33', Herrera 39'

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%3Cp%3E%3Cstrong%3EDirector%3A%20%3C%2Fstrong%3EPeyton%20Reed%3Cbr%3E%3Cbr%3E%3Cstrong%3EStars%3A%3C%2Fstrong%3E%20Paul%20Rudd%2C%20Evangeline%20Lilly%2C%20Jonathan%20Majors%3Cbr%3E%3Cbr%3E%3Cstrong%3ERating%3A%20%3C%2Fstrong%3E2%2F5%3C%2Fp%3E%0A
Auron Mein Kahan Dum Tha

Starring: Ajay Devgn, Tabu, Shantanu Maheshwari, Jimmy Shergill, Saiee Manjrekar

Director: Neeraj Pandey

Rating: 2.5/5

Army of the Dead

Director: Zack Snyder

Stars: Dave Bautista, Ella Purnell, Omari Hardwick, Ana de la Reguera

Three stars

WOMAN AND CHILD

Director: Saeed Roustaee

Starring: Parinaz Izadyar, Payman Maadi

Rating: 4/5

If you go

The flights

Emirates flies from Dubai to Seattle from Dh5,555 return, including taxes. Portland is a 260 km drive from Seattle and Emirates offers codeshare flights to Portland with its partner Alaska Airlines.

The car

Hertz (www.hertz.ae) offers compact car rental from about $300 per week, including taxes. Emirates Skywards members can earn points on their car hire through Hertz.

Parks and accommodation

For information on Crater Lake National Park, visit www.nps.gov/crla/index.htm . Because of the altitude, large parts of the park are closed in winter due to snow. While the park’s summer season is May 22-October 31, typically, the full loop of the Rim Drive is only possible from late July until the end of October. Entry costs $25 per car for a day. For accommodation, see www.travelcraterlake.com. For information on Umpqua Hot Springs, see www.fs.usda.gov and https://soakoregon.com/umpqua-hot-springs/. For Bend, see https://www.visitbend.com/.

What is a calorie?

A food calorie, or kilocalorie, is a measure of nutritional energy generated from what is consumed.

One calorie, is the amount of heat needed to raise the temperature of 1 kilogram of water by 1°C.

A kilocalorie represents a 1,000 true calories of energy.

Energy density figures are often quoted as calories per serving, with one gram of fat in food containing nine calories, and a gram of protein or carbohydrate providing about four.

Alcohol contains about seven calories a gram. 

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Updated: September 25, 2023, 7:01 PM