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Evolutionary genetics

Analysis and Comment (4)

It turns out guppy genital length is genetic – for females as well as males. It turns out guppy genital length is genetic – for females as well as males. Alice Chaos

Guppies and sexual conflict? It’s a genital arms race

It’s not always easy to tell if a fish is male or female: they look more or less the same. But there are exceptions, such as guppies and, as with humans, guppy genitalia varies in size across the species…
Your genetic make up interacts with what you eat to either promote or harm good health. Your genetic make up interacts with what you eat to either promote or harm good health. Mark Lucock

Nutrigenomics: how nutrition and genetics impact health

A month ago, I returned to Australia from a trip to Burma. After four weeks in the country, I’d acclimatised to the culture, cuisine and people. My conditioning was so complete that on my return, I was…
In order to drag themselves onto land, fish-like creatures needed limbs. In order to drag themselves onto land, fish-like creatures needed limbs. Thierrry

They came from the sea: the gene behind limb evolution

In the late Devonian period, roughly 365 million years ago, fish-like creatures started venturing from shallow waters onto land. Among the various adaptations associated with the switch to land life was…
Scanning electron micrograph of HIV-1 budding (in green) from cultured lymphocyte. Scanning electron micrograph of HIV-1 budding (in green) from cultured lymphocyte. CDC/ C. Goldsmith, P. Feorino, E. L. Palmer, W. R. McManus

HIV bolts past immune defences despite humble beginnings

Despite three decades of research, an HIV vaccine remains elusive. The main reason for this is the virus’s uncanny ability to evolve resistance to immune control, so understanding how the virus adapts…

Research Briefs (5)

Meet your ancestor, the shrew

Placental mammals like elephants, bats and humans evolved from small, insect-eating mammals, a study led by Stony Brook University…