Sugar-Loving Super Bugs! By Mrs Vera West

     I told you that sugar was bad for you; look who loves sugar:
  https://www.iflscience.com/health-and-medicine/hospital-superbug-is-evolving-into-a-new-species-of-bacteria-that-thrives-on-your-sugarrich-diet/

“Clostridioides difficile (C. difficile) is a bacterium that can cause a nasty spell of diarrhea and colitis for those unlucky to be infected. Now, researchers analyzing the genomes of various strains in Nature Genetics have discovered it is a millennia-long process of evolution that will see it separate into two different species. One of those species is particularly adept at evading hospital disinfectants and thrives on a sugar-rich Western diet. "This largest ever collection and analysis of C. difficile whole genomes, from 33 countries worldwide, gives us a whole new understanding of bacterial evolution," author Brendan Wren, a professor at the London School of Hygiene and Medicine, said in a statement. "It reveals the importance of genomic surveillance of bacteria. Ultimately, this could help understand how other dangerous pathogens evolve by adapting to changes in human lifestyles and healthcare regimes which could then inform healthcare policies." C. difficile is the leading cause of antibiotic-associated diarrhea – "good" gut bacteria will fend off the bug in a healthy person but antibiotics extinguish "good" gut bacteria, leaving the patient vulnerable to infection. Because of this, the bug is frequently found in hospital settings. For the study, the team sequenced the genome of 906 strains, collected from humans and other animals as well as the environment. The researchers then compared the genomes from each strain to find that it is evolving into two different species. The emerging species (called C. difficile clade A) accounts for roughly 70 percent of the samples collected from hospital patients.

Noticing that it showed differences in genes associated with the metabolization of simple sugars, they monitored its effects in mice. Those given a sugar-rich diet appeared to provide a better host for the bacteria – it seemed to flourish in guts exposed to a high-sugar Western diet. The team was able to calculate when this species of the C. difficile bacterium first appeared using dating analysis, pinpointing its origin to a time approximately 76,000 years ago. Yet, it was towards the end of the 16th century that things really began to take off, with the number of different strains of C. difficile clade A starting to increase. "This emerging species has existed for thousands of years, but this is the first time anyone has studied C. difficile genomes in this way to identify it," explained joint first author Nitin Kumar from the Wellcome Sanger Institute. "This particular bacteria was primed to take advantage of modern healthcare practices and human diets, before hospitals even existed." According to the study's authors, this is the largest genomic study of C. difficile and shows that it is evolving in response to human behavior. "Our study provides genome and laboratory-based evidence that human lifestyles can drive bacteria to form new species so they can spread more effectively," said senior author Trevor Lawley from the Wellcome Sanger Institute. "We show that strains of C. difficile bacteria have continued to evolve in response to modern diets and healthcare systems and reveal that focusing on diet and looking for new disinfectants could help in the fight against this bacteria."

     This is yet another reason to abandon the high processed, high sugar junk diets that we have pushed upon us, by the decadent consumer society. The best way of starting to resist drug-resistant bugs, is to get healthy in the first place, and the starting point for that is diet. We have plenty on this site about this, but natural News.com, is always excellent, and constantly gets up the nose of the establishment, which has to be good.

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Friday, 13 December 2019
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