Results from Ryugu suggest the the Solar System produced the building blocks of life Scientists have found that all five of ...

A new study reveals all five fundamental nucleobases – the molecular “letters” of life – have been detected in samples from ...

Every nucleobase needed to build DNA and RNA - adenine, guanine, cytosine, thymine, and uracil - has been found in rock ...

A sample collected by the Hayabusa 2 spacecraft from the spinning top-like asteroid contained the nucleobases adenine, ...

The case for life’s raw ingredients arriving from space just became harder to dismiss. In samples returned from the asteroid ...

How did life come about? The answer to this question goes to the very heart of our existence on planet Earth. Did life simply arise from chemical reactions among organic compounds in a primordial soup ...

SINCE the introduction of nitrogen mustard, methyl-bis-β-(chloroethyl)-amine, or HN 2 (Fig. 1), as a therapeutic agent in human cancer a number of analogues and related alkylating agents have been ...

Samples from the asteroid Ryugu collected by the Hayabusa2 mission contain nitrogenous organic compounds, including the nucleobase uracil, which is a part of RNA. Samples from the asteroid Ryugu ...

Researchers have analyzed samples of the asteroid Ryugu collected by the Japanese Space Agency's Hayabusa2 spacecraft and found uracil, one of the informational units that make up RNA, the molecules ...

After encountering foreign antigen, B cells diversify their immunoglobulin genes by somatic hypermutation (SHM), gene conversion (GC) and class-switch recombination (CSR). SHM introduces mutations ...