fiction, microbiology
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.
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.
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.
Top Ten Innovations 2011
The Scientist Staff | Jan 1, 2012
Our list of the best and brightest products that 2011 had to offer the life scientist
Arsenic Bug's Genome Sequenced
Bob Grant | Dec 7, 2011
Researchers have mapped out the DNA of what some scientists claim to be an arsenic loving bacterium.
Stem Cells Traced To Heart
Tia Ghose | Dec 1, 2011
New research suggests that a controversial class of stem cells originates in the heart and retains some ability to repair damaged tissue.
Breaching the Wall
Rachel Nuwer | Dec 1, 2011
Editor’s choice in immunology
Bacterial Identity Crisis
Cristina Luiggi | Nov 9, 2011
Researchers probe the genetics of a group of bacteria known to extensively swap DNA sequences with other species—blurring the species boundaries.
How Probiotic Yogurt Works
Bob Grant | Oct 26, 2011
Researchers show that the bacterial species in probiotic, fermented dairy products may alter gene expression and metabolism in native gut microbiota.