专家说，XBB.1.5的传染性更强，但不一定比以前的病毒株更严重。 The new subvariant is quickly becoming dominant in the US. 要点： XBB.1.5是COVID-19的一个新的Omicron ...

The latest, highly contagious subvariants are driving infections, but new vaccines may help stem the tide of another wave — ...

These mutations negatively affected the effectiveness ... the prevalence of these subvariants had declined and a new omicron subvariant, XBB.1.5, emerged. The prevalence of this subvariant quickly ...

However, JN.1 was unusual in that it was 41 mutations away from XBB.1.5 (big changes like this are called genetic shifts). Because of these changes, it was expected that JN.1 would take off ...

To artificially induce hereditary changes in plants, either physical or chemical agents are used. Ionizing radiation is a widely used physical agent to treat the seeds and other plant material of ...

These variants have acquired mutations in the spike protein ... However, antibodies induced by vaccination with the new XBB.1.5-adapted vaccine were able to appreciably inhibit both the Pirola ...

Researchers are adding new evidence to the emerging concept that 'silent' or synonymous mutations may have crucial consequences. Their study showed how a synonymous mutation in one gene can ...

Now, researchers from the University of Notre Dame are adding new evidence to the emerging concept that these silent mutations may have crucial consequences. Their study, published in the ...

Researchers discovered that mammals - from tigers to humans - have roughly the same number of mutations by the time they die of old age. But short-lived animals tend to burn through their ...

Genetic disorders — like cystic fibrosis and Huntington’s disease — are considered incurable, with gene mutations occurring in essentially every cell of the body. Gene mutations occur when one ...