Tuna Story Exposes Challenges of Seafood Authentication
Tuna Story Exposes Challenges of Seafood Authentication
A New York Times investigation’s failure to amplify tuna DNA from Subway’s tuna salad sandwiches likely says more about the complexities of identifying processed fish than about the ingredients.
Tuna Story Exposes Challenges of Seafood Authentication
Tuna Story Exposes Challenges of Seafood Authentication

A New York Times investigation’s failure to amplify tuna DNA from Subway’s tuna salad sandwiches likely says more about the complexities of identifying processed fish than about the ingredients.

A New York Times investigation’s failure to amplify tuna DNA from Subway’s tuna salad sandwiches likely says more about the complexities of identifying processed fish than about the ingredients.

DNA barcoding
Environmental DNA Can Be Pulled from the Air
Environmental DNA Can Be Pulled from the Air
Amanda Heidt | Apr 7, 2021
A proof-of-concept study uses eDNA in the air to detect mammals, expanding the technique beyond aquatic sampling.
New Screening Approach Reveals Novel Regulators of Microcephaly
New Screening Approach Reveals Novel Regulators of Microcephaly
Catherine Offord | Jan 1, 2021
Researchers combine organoids, CRISPR-Cas9, and cellular barcoding technologies to identify genes that influence brain size.
Gloria Echeverria Investigates an Insidious Form of Breast Cancer
Gloria Echeverria Investigates an Insidious Form of Breast Cancer
Max Kozlov | Dec 1, 2020
The newly minted Baylor College of Medicine faculty member is working to crack the mystery of triple negative breast cancer.
Researchers Detect Land Animals Using DNA in Nearby Water Bodies
Researchers Detect Land Animals Using DNA in Nearby Water Bodies
Nayanah Siva | Apr 27, 2020
Monitoring the comings and goings of aquatic life with traces of DNA in water has become an established biomonitoring technique, but scientists are now using environmental DNA to assess terrestrial animals.
Proposed Deep-Sea Mining Zone Harbors Previously Unknown Species
Proposed Deep-Sea Mining Zone Harbors Previously Unknown Species
Catherine Offord | Oct 17, 2019
The discovery of ancient clades of brittle stars at the bottom of the Pacific Ocean adds to concerns that commercial exploitation of the area could destroy numerous taxa before they’ve even been identified.
Researchers DNA Barcode the Arctic
Researchers DNA Barcode the Arctic
Phil Jaekl | Apr 1, 2019
A group of scientists in northern Norway are using the technique to measure biodiversity’s response to past and present climate change.
Recreating Fish Migration Written Through Environmental Genomics
Recreating Fish Migration Written Through Environmental Genomics
Aggie Mika | Jul 16, 2017
Scientists examine floating traces of DNA left by fish to better understand New York’s aquatic life.
Self-Editing Genetic Barcodes
Self-Editing Genetic Barcodes
Ruth Williams | Dec 14, 2016
Scientists create a CRISPR-based, self-editing cellular–barcoding system for extensive molecular recording.
Spiders, Prey Leave DNA
Spiders, Prey Leave DNA
Bob Grant | Nov 30, 2015
A study of black widow spiders suggests that the arachnids leave traces of their own genetic material and DNA from prey in their sticky webs.
Keys to the Minibar
Keys to the Minibar
Kerry Grens | Mar 1, 2014
Degraded DNA from museum specimens, scat, and other sources has thwarted barcoding efforts, but researchers are filling in the gaps with mini-versions of characteristic genomic stretches.
The Benefits of Barcoding
The Benefits of Barcoding
Kerry Grens | Feb 28, 2014
Watch DNA barcoder Mehrdad Hajibabaei from the University of Guelph describe the technology’s potential.
New Bug on the Block
New Bug on the Block
Tracy Vence | Dec 9, 2013
Scientists have identified a species of cockroach never before seen in the U.S., which was spotted last summer on Manhattan’s West Side.
Inauthentic Herbals
Inauthentic Herbals
Tracy Vence | Nov 6, 2013
Using DNA barcoding, researchers show that herbal products are often contaminated or contain alternative compounds and fillers.
Limber LIMS
Limber LIMS
Nicholette Zeliadt | Jan 1, 2013
Using laboratory information management systems (LIMS) to automate and streamline laboratory tasks: three case studies
Flower Barcodes
Jef Akst | Jun 28, 2012
Wales creates a database of DNA barcodes for all of its native flowering plants, hoping to guide conservation and drug development efforts.
A Can of Worms
Sabrina Richards | Jun 1, 2012
Scientists at the American Museum of Natural History use DNA barcoding to show that even sardines infected with nematodes can still be kosher.
DNA to Nab Illegal Fishers
Cristina Luiggi | May 24, 2012
A new SNP assay can determine the geographical origin of commonly overexploited fish species.
Bushmeat Roulette
Megan Scudellari | Apr 1, 2012
Pathogens lurk in illegal wildlife products confiscated at US airports.