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Posts Tagged "drug resistance"

MIND Guest Blog

Prions May Develop Drug Resistance: The Implications for Mad Cow, Alzheimer’s and Parkinson’s

The brain of a patient with Creutzfeldt-Jakob shows signs of neurodegeneration and the presence of  large clumps of prion protein (purple). Courtesy of Lary Walker.

Clumps of proteins twisted into aberrant shapes cause the prion diseases that have perplexed biologists for decades. The surprises just keep coming with a new report that the simple clusters of proteins responsible for Mad Cow and other prions diseases may, without help from DNA or RNA, be capable of changing form to escape the [...]

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Observations

Antibiotic-Resistant Bacteria Found in Sharks and Seals

Bacteria, viruses and parasites from land animals such as cats, cows and humans are sickening and killing sea mammals. Scientists have been finding a daunting number of land-based pathogens in seals, dolphins, sharks and other ocean dwellers that wash ashore dead or dying, according to an article by Christopher Solomon in the May 2013 issue [...]

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