This Week in Science

In Science this week, a multi-institute team of Australian researchers reports on the discovery of a protein found in the female reproductive tract that appears to protect against sexually transmitted diseases. The protein, interferon-epsilon, is expressed by cells that line the ovary, uterus, cervix, and vagina, and mice lacking interferon-epsilon are more susceptible to infection with herpes simplex virus 2 and chlamydia.

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Technology Review reports that researchers in the US have used CRISPR to modify a number of human embryos.

By introducing genes from butterfly peas and Canterbury bells, researchers in Japan have developed a blue chrysanthemum, according to NPR.

Plant researchers plan to sequence some 10,000 samples that represent the major plant clades, ScienceInsider reports.

In Nature this week: a Danish reference genome, and more.