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Seeded by Weeds
K. John Morrow Jr. | May 1, 2015
More than 50 years after cross-contamination of cultured cell lines was recognized, the problem continues to plague the scientific community.
Risky Research Halted at Tulane
Jef Akst | Mar 3, 2015
Federal officials suspend research on certain pathogens at Tulane University following the escape of potentially dangerous bacteria from a high-security lab.
Kerry Grens | Jan 1, 2015
Researchers are working to automate the arduous task of identifying—and amending—mislabeled sequences in genetic databases.
Contaminants Could’ve Accounted for STAP
Kerry Grens | Dec 29, 2014
Embryonic stem cells likely mucked up the cultures used in the debunked “stimulus-triggered acquisition of pluripotency” studies.
Week in Review: November 10–14
Jef Akst | Nov 14, 2014
Funding for African science; microbiome studies may have contamination worries; mind-controlled gene expression; DNA record keeper
DNA Extraction Kits Contaminated
Kerry Grens | Nov 11, 2014
Sequencing study reveals low levels of microbes in lab reagents that can create big problems for some microbiome studies.
Fact or Artifact?
Jef Akst | Oct 29, 2014
A study documenting the ubiquity of DNA contamination calls into question a recent paper on food-derived nucleic acids in the human bloodstream.
Haste Caused CDC Bird Flu Contamination?
Jef Akst | Aug 19, 2014
The Centers for Disease Control and Prevention scientist who accidentally leaked H5N1 into a benign strain of avian influenza may have been rushing off to a meeting.
Toledo Water Back On After Toxic Scare
Bob Grant | Aug 5, 2014
Citizens of Ohio’s fourth-largest city can drink from the tap again, but the root causes of the Lake Erie algal blooms that shut off the flow for two days remain.
Virus Detected in Human Cell Line
Kerry Grens | Jun 4, 2014
A line of human fetal glial cells is infected with a human polyomavirus, researchers report.