How to catch a fish genome with big data

If you eat fish in the U.S., chances are it once swam in another country. That's because the U.S. imports over 80 percent of its seafood, according to estimates by the United Nations. New genetic research could help make ...

Dietary restriction and life span in male and hermaphrodite worms

An organism's lifespan is known to be affected by its sex and diet, but where these two factors overlap biologically is not well understood. Researchers in Japan looked for clues in worms—C. elegans—that have two sexes: ...

Gender roles in ancient times

Two new studies by Osaka University researchers provide insights on why male and female bodies of the same species differ. The studies show factors that regulate the expression of doublesex1, a gene responsible for the growth ...

Sex-shifting fish: Growth rate could determine sea lamprey sex

Unlike most animals, sea lampreys, an invasive, parasitic species of fish damaging the Great Lakes, could become male or female depending on how quickly they grow, according to a U.S. Geological Survey study published today.

RNA modification important for brain function

Researchers at the Institute of Molecular Biology (IMB) and Johannes Gutenberg University Mainz (JGU) have shown that a new way of regulating genes is vital for the activity of the nervous system. They found that this form ...

Following a frog's evolutionary movements

A common species of Asian tree frog may actually be two separate species according to new genetic data collected by an international group of scientists. If the two groups of frogs are confirmed to be different species, assigning ...

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