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Category: E. coli

Posted on September 29, 2018September 30, 2018

Mechanism of colistin resistance in food Klebsiella bacteria unravelled

Researchers found colistin-resistant bacteria in 49% vegetable, meat samples in Chennai. They have for the first time deciphered the mechanism by which food Klebsiella bacteria develop resistance to colisitin, a last-line antibiotic.…

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Posted on September 15, 2018September 15, 2018

Mutant worms live 60% longer on specific diet

The longevity of C. elegans increased 40-60% when NII researchers used a mutant that lacked the function of a particular gene and fed the worm a specific bacterial diet — E.…

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Posted on July 21, 2018July 22, 2018

IISc researchers find cholesterol helps bacterial toxins kill cells

IISc researchers found cholesterol present in cell membrane plays a central role in the two-step process of stabilising and binding the pore-forming toxin Cytolysin A. On binding to cholesterol, the structure…

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Posted on June 30, 2018July 25, 2018

IISER Pune shows bacteria develop resistance even without exposure to antibiotics 

Researchers at IISER Pune found that E. coli subjected to different stresses simultaneously and in a unpredictable manner evolved to tolerate novel stresses that they were never exposed to such as antibiotics and…

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Posted on December 9, 2017

IISc: Chemically etched aluminium kills, keep surfaces bacteria-free

Researchers at IISc have produced etched aluminium that is capable of killing Gram-negative bacteria such as E. coli and keep surfaces free of both E. coli and S. aureus. Surfaces that…

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Posted on May 24, 2017December 7, 2017

IISc team mimics nature to keep orthopaedic implants bacteria-free

Mimicking tiny features seen on insect wings and shark skin that effectively keep their surfaces free of bacteria, a team from Bengaluru’s Indian Institute of Science (IISc) has found a…

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Posted on May 6, 2017May 8, 2017

Indian researchers reverse multidrug resistance in E. coli

Indian researchers have unravelled the mechanism by which hydrogen sulphide (H2S) gas produced by bacteria protects them from antibiotics and plays a key role in helping bacteria develop drug resistance.…

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Posted on November 3, 2016November 4, 2016

IISc produces a novel salt to better combat bacterial infections

Using crystal engineering, a team of researchers from the Indian Institute of Science (IISc) Bangalore has successfully produced a highly efficacious binary salt of two commonly used drugs — norfloxacin…

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