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The sperm is not a passive supplier of genetic material to the egg. A study shows that certain molecules that come with the sperm, so-called micro-RNA, contribute to the development of the embryo several days after conception.

Habits and health issues can contribute to a kind of biological memory that can be passed on to future children. A review paper by LiU researchers presents a theory about the father鈥檚 contribution to protecting his descendants from infections.

Sperm are influenced by diet, and the effects arise rapidly. This is the conclusion of a study in which healthy young men were fed a diet rich in sugar. The study, published in PLOS Biology, gives new insight into the function of sperm.

Six LiU researchers will receive almost SEK 49 million from the Swedish Research Council鈥檚 latest round of funding. The projects concern areas such as epigenetics, mega coal-fired power plants, rehabilitation in conflict zones and tuberculosis.