Cats that went feral are posing an additional threat to the Okinawa spiny rat and other rare and endangered species in the northern part of Okinawa's main island, experts say. Researchers blamed ...

However, a 2022 study on the Sry-deficient Amami spiny rat suggests that humans might evolve a new male-determining gene, offering hope of survival despite the Y chromosome's decline. A study ...

This preservation of essential Y chromosome genes through transposition was previously thought to have occurred only in isolated cases, such as the loss of the entire Y chromosome in the Ryukyu spiny ...

Two rodent species, the mole voles of Eastern Europe and the spiny rats of Japan, have already lost their Y chromosomes and continue to thrive. In these rodents, the genes that were once on the Y ...

In the Amami spiny rat, the Enh14 region is duplicated. The two copies of Enh14 act in concert to upregulate Sox9, which causes the differentiation of the testes. TES, Enh13 and Enh8 are other ...