Proceedings of the National Academy of Sciences of the United States of America, Vol. 83, No. 6 (Mar. 15, 1986), pp. 1665-1669 (5 pages) In an effort to understand the relationships among and the ...

Bacteria possess an array of defenses against foreign invaders, including a broadly distributed bacteriophage defense system termed CBASS (cyclic oligonucleotide-based anti-phage signaling system). In ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 80, No. 18, [Part 1: Biological Sciences] (Sep. 15, 1983), pp. 5465-5469 (5 pages) Cytoplasmic superoxide ...

Anyone who studied a little genetics in high school has heard of adenine, thymine, guanine and cytosine -- the A, T, G and C that make up the DNA code. But those are not the whole story. The rise of ...

Ribonucleotide reductases (RNRs) play a crucial role in cells as the only source of the building blocks needed for DNA replication and repair. They use radical-based chemistry to catalyze the ...

Using 150 single-nucleotide polymorphism (SNP) markers across 252 tea accessions from India and China, researchers identified ...