Researchers have discovered a significant and previously unknown mechanism that many bacteria use to resist antibiotics.
Molecular & Computational biology
Jul 28, 2022
0
207
An international team of researchers has developed a method for altering one class of antibiotics, using microscopic organisms that produce these compounds naturally.
Materials Science
Jul 27, 2022
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87
Mycobacterium tuberculosis, the causative agent of tuberculosis, remains the leading cause of infectious disease worldwide, affecting approximately a quarter of the globe's population. Treatment of infections is problematic ...
Biochemistry
Jul 21, 2022
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83
A research group led by scientists at the University of São Paulo (USP) in São Carlos, Brazil, has identified a number of bioactive compounds in a marine sponge collected on Fernando de Noronha, an archipelago about 400 ...
Biochemistry
Jul 13, 2022
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28
Researchers at McMaster University have unlocked an evolutionary mystery of a deadly pathogen responsible for fueling the superbug crisis: it can reproduce by having sex.
Molecular & Computational biology
Jun 27, 2022
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338
Understanding why and how chemotherapy resistance occurs is a major step toward optimizing treatments for cancer. A team of scientists including Markus Seeliger, Ph.D., of the Stony Brook Cancer Center and Renaissance School ...
Biochemistry
Jun 21, 2022
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77
A team of Brown University researchers has developed a new responsive material that is able to release encapsulated cargo only when pathogenic bacteria are present. The material could be used to make wound dressings that ...
Bio & Medicine
Jun 08, 2022
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77
Most people carry the fungus Candida albicans on their bodies without it causing many problems. However, a systemic infection with this fungus is dangerous and difficult to treat. Few antimicrobials are effective, and drug ...
Cell & Microbiology
May 25, 2022
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105
Since the advent of penicillin more than 90 years ago, antibiotic drugs have saved countless lives by preventing and treating bacterial infections. However, bacteria are rapidly developing new ways to resist antibiotics, ...
Cell & Microbiology
May 25, 2022
0
21
Newly published research led by Northumbria University shows that, contrary to what is commonly believed, the venom of snakes and spiders is actually populated with microbes, including bacteria that could cause infection ...
Plants & Animals
May 23, 2022
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205
Drug resistance is the reduction in effectiveness of a drug in curing a disease or improving a patient's symptoms. When the drug is not intended to kill or inhibit a pathogen, then the term is equivalent to dosage failure or drug tolerance. More commonly, the term is used in the context of diseases caused by pathogens.
Pathogens are said to be drug-resistant when drugs meant to neutralize them have reduced effect. When an organism is resistant to more than one drug, it is said to be multidrug resistant.
Drug resistance is an example of evolution in microorganisms. Individuals that are not susceptible to the drug effects are capable of surviving drug treatment, and therefore have greater fitness than susceptible individuals. By the process of natural selection, drug resistant traits are selected for in subsequent offspring, resulting in a population that is drug resistant.
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