Commentary

Forget the fourth domain of life

When giant viruses were discovered – with genomes much larger than any previously seen – some suggested that they had descended from a fourth domain of life (the current three are bacteria, archaea, and eukaryotes). Part of the reason for such a claim was the finding of homologs of bacterial and eukaryotic genes, including molecules involved …

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Viral RNA is not infectious virus!

A study of sexual transmission of Zika virus among mice (link to paper) demonstrates beautifully that viral nucleic acid detected by polymerase chain reaction (PCR) is not the same as infectious virus. Male mice were infected with Zika virus and then mated with female mice. Efficient sexual transmission of the virus from males to females was observed. This …

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Trial By Error, Continued: The New FITNET Trial for Kids

By David Tuller, DrPH David Tuller is academic coordinator of the concurrent masters degree program in public health and journalism at the University of California, Berkeley. The past year has been a disaster for proponents of the PACE trial. They have faced growing international resistance to their exaggerated claims that cognitive behavior therapy and graded …

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A Nobel for autophagy, and the importance of fundamental research

Yoshinori Ohsumi has been awarded the 2016 Nobel Prize for Physiology or Medicine for his work on autophagy, a process of eukaryotic cells for degrading and recycling cellular components. Because of his research, we now understand the importance of autophagy in health and human disease. It is another example of the serendipity of science and …

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Congress fails on Zika virus

Andrew W. Gurman, M.D., President of the American Medical Association, has expressed disappointment in the failure of Congress to support the US public health response to Zika Virus: At a time when concerns continue to mount about the nation’s readiness to protect the public from the Zika virus, the AMA is disappointed by Congress’ failure to pass legislation before …

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