Research Briefs

Biochemistry, Genetics and Molecular Biology · Cell Biology

Microtubule and mitosis dynamics

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Abstract editorial illustration accompanying the article: Mouse chromosomes pair in three stages as reproductive cells form
Biology

Mouse chromosomes pair in three stages as reproductive cells form

Researchers tracked homologous mouse chromosomes as they paired during meiosis, the specialized cell division that produces reproductive cells. The chromosomes moved from widely separated positions to close alignment in three stages, with DNA breaks and recombination helping drive the transitions.

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Abstract editorial illustration accompanying the article: Tiny worm’s hairlike sensors make contacts in a set pattern
Biology

Tiny worm’s hairlike sensors make contacts in a set pattern

In the tiny roundworm C. elegans, hairlike sensory structures called cilia form repeated contact patterns inside a sense organ. Experiments suggest these contacts can form through instructive mechanisms, rather than arising only from the structures’ positions.

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