Sparrow, microbiology, genetics & genomics
Our Missing Genes
Sabrina Richards | Feb 17, 2012
New research suggests that the average person has about 20 genes with loss-of-function mutations—many more than previously suspected.
TB Screen Glows Green
Sabrina Richards | Feb 13, 2012
Infection by GFP-encoding viruses enables quick, easy detection of tuberculosis in patient samples.
C. diff Infection Source Unclear
Sabrina Richards | Feb 7, 2012
Only a quarter of Clostridium difficile infections in one hospital system were traced to contact with a symptomatic patient.
Isolating Genomes from the Masses
Jef Akst | Feb 6, 2012
Researchers find a way to determine the sequence of a single species from metagenomics data of entire microbial communities.
Federal Biosecurity Panel Speaks
Bob Grant | Feb 1, 2012
The US National Science Advisory Board for Biosecurity explains why it recommended redacting the details of studies reporting on a highly transmissible H5N1 strain.
Gain a Chromosome and Adapt
Sabrina Richards | Jan 30, 2012
Research in yeast shows that aneuploidy is both a consequence of and an adaptation to stress.
Speed Gene Traced to One Founder
Edyta Zielinska | Jan 26, 2012
Researchers track a racehorse “speed gene” back to a single mare in the United Kingdom.
Longevity Study Lives On
Cristina Luiggi | Jan 24, 2012
A reanalysis of the study reporting genes linked to extremely long life, which was retracted from Science last summer, is published in PLoS ONE.
Arsenic-based Life Challenged Again
Hannah Waters | Jan 24, 2012
An attempt to regrow the infamous GFAJ-1 bacteria, reported to incorporate arsenic into its DNA backbone, has failed.
Marooned Chromosomes Cause Cancer?
Edyta Zielinska | Jan 23, 2012
Chromosomes accidentally stranded outside of the nucleus could contribute to cancer formation.