By analyzing metagenomic sequences found in thousands of human mouth and gut samples, researchers tracked down almost 45.7 million distinct microbial genes.
Researchers identified tumor microbe and immune differences in tumor samples from pancreatic ductal adenocarcinoma patients with exceptionally long survival.
Two research groups have cultured and sequenced microbes in fecal samples from healthy volunteers, producing new reference genomes for hundreds of species.
By studying koalas and a retrovirus that infects them, researchers may have uncovered a new sort of 'immune response' that occurs at the genomic level, Agence France Presse reports.
In Science this week: ancient genomes reveal social inequality within individual households, new method for quantifying genetic variation in gene dosage, and more.
