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Light-guided ‘optovolution’ creates proteins that flip states on cue
A peer-reviewed study published in Cell in March 2026 introduces “optovolution,” an in vivo directed-evolution system that ...
The awe-inspiring process of cell division can turn a fertilized egg into a baby – or a cancerous cell into a malignant tumor. With so much at stake, nature keeps it tightly controlled in a process ...
Scientists have uncovered a surprising new way that giant embryonic cells divide—without relying on the classic “purse-string ...
Every day, our bodies perform around 330 billion cell divisions to keep us alive and functioning. These divisions rely on the cell cycle, which has been in place since the earliest bacteria. The ...
Study finds that large embryo cells divide step by step using a mechanical ratchet system, challenging the textbook idea of a ...
Before cells can divide, they first need to replicate all of their chromosomes, so that each of the daughter cells can receive a full set of genetic material. Until now, scientists had believed that ...
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A starting signal for cell division: Molecular switch ensures that cells divide at the right time
About 100 cells divide every second in our body. A key protein in cell division is a protein kinase termed Plk1, because it activates other proteins involved in this process. Plk1 is also ...
A zebrafish embryo during the first cell division cycle, with the structural protein actin labelled, which marks the cell boundary and ingressing furrow. The image shows a time course from dark orange ...
The story of the cell cycle is often told only through the perspective of the chromosomes as they replicate and then divide. This resource beautifully illustrates the role of the cytoskeleton in that ...
Caulobacter crescentus has emerged as a premier model for studying bacterial cell cycle regulation due to its distinctive asymmetric division, which produces two morphologically and functionally ...
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