Tag Archives: evolution

Upsetting the Tree of Life

A nice thought piece by Ford Doolittle in PLoS Genetics. We run our first year students though this each year, so it is nice to think that some of them might find and be influenced by this article next year. … Continue reading

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Cyanobacteria evolved the first eyes

Cyanobacteria in the oceans are among the world’s most important oxygen producers and carbon dioxide consumers. Synechocystis is a spherical single-celled cyanobacterium that measures about three thousandths of a millimetre across. Because Synechocystis needs sunlight to produce energy, it is … Continue reading

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Design and Evolution

A half century of structural studies have shown the design principles controlling self-assembly of viral proteins into icosahedral virus capsids. A large repertoire of virus structures, mainly determined using X-ray crystallography and cryo-electron microscopy, are now conveniently available and carefully … Continue reading

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The arthropod origins of RNA viruses

A new paper in eLife describes the genetic diversity and novel genome structures of RNA viruses from arthopods, shedding new light on the ancestry and evolutionary history of plant and animal RNA viruses.   Unprecedented genomic diversity of RNA viruses … Continue reading

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Viroids: Survivors from the RNA World?

A new review in Annual Review of Microbiology gives an excellent introduction to viroids. Continue reading

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The Flawed Prokaryote

There are two types of biologist – those who think that prokaryotes exist and those who don’t. Continue reading

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Close Encounters of the Third Domain

This short review is an easily accessible introduction to the the three domains of life – Eukarya, Bacteria, and Archaea. Continue reading

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Incoming: Tracking Virus Evolution

The ongoing dance between a virus and its host shapes how the virus evolves. Continue reading

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L-form bacteria, cell walls and the origins of life

L-forms are bacterial variants that lack a cell wall and divide by a variety of processes. Continue reading

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