Scientists demonstrate first genome methylation in fruit fly

A group of scientists from Children's Hospital Oakland Research Institute and UC Berkeley report the first mapping of genome methylation in the fruit-fly Drosophila melanogaster in their paper "Genome methylation in D. melanogaster ...

Explainer: What is a gene?

There's a very confusing exchange in Lewis Carroll's Through the Looking Glass: "When I use a word," Humpty Dumpty said, in rather a scornful tone, "it means just what I choose it to mean—neither more nor less."

Novel insights into the evolution of protein networks

System-wide networks of proteins are indispensable for organisms. Function and evolution of these networks are among the most fascinating research questions in biology. Bioinformatician Thomas Rattei, University of Vienna, ...

Parental controls on embryonic development?

When a sperm fertilizes an egg, each contributes a set of chromosomes to the resulting embryo, which at these very early stages is called a zygote. Early on, zygotic genes are inert, so embryonic development is largely controlled ...

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