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Mammalian oocytes utilize a conserved combination of cell cycle control, cytoskeletal organization, and polarity pathways that are fundamentally shared with other vertebrates and invertebrates.

Single-cell transcriptomics data from mouse bone-relevant cells was used to inform human bone mineral density genome-wide association studies and prioritize genetic targets with potential causal roles in the development of osteoporosis.

Multiple competing hypotheses concerning the cholesterol accessibility of oncoprotein Smoothened are quantitatively assessed and experimentally validated, showing that cholesterol takes two pathways from either membrane leaflet to the binding sites.

A comprehensive toolkit enables genome-wide, recombinase-independent mosaic analysis in Drosophila, permitting clonal analysis of pericentromeric genes, deficiency chromosomes, and interspecific hybrids previously inaccessible to standard methods.