Unsealing cells' 'black box' strategy to regulate gene activation

While scientists have known for more than two decades that all cells use a strategy called RNA interference to regulate gene expression, a new study is the first to describe how a specific protein manages the step-by-step ...

Microcrystals in bioluminescent fish scatter light like a prism

Approximately 75% of marine organisms are bioluminescent, with specialized light-emitting organs called photophores. They use the light they produce for various purposes, like attracting mates, luring prey, or confusing predators.

How cells identify and silence unwanted jumping genes

Transposons, DNA sequences that can self-replicate and move (jump) throughout the genome, are widespread and can affect cell survival if left unchecked. Cells control these "jumping genes" by silencing them, but little was ...

Understanding the mechanisms of collective cell movement

Like schools of fish and flocks of birds, our cells can also migrate collectively in coordination with their neighbors. This harmonious movement of cells occurs during embryonic development, wound healing, and cancer metastasis. ...

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