New cell type promotes parental care in mice
A research team has discovered a type of cell that appears to be linked to parental care in Oldfield mice, a monogamous species. These cells are not present in Deer mice, other rodents of the same genus that engage in promiscuous behaviour. The results "provide an example by which the recent evolution of a new cell type in a gland outside the brain contributes to the evolution of social behaviour," the authors conclude in their paper, published in Nature.
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