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a person in a white lab coat with a blue glove inserting a clear pcr tube into a which thermocycler while holding an orange box
Coronavirus Mutations Could Muddle COVID-19 PCR Tests
Researchers find that SARS-CoV-2 variants can evade primer-probe sets and recommend that diagnostic assays include multiple targets for reliability.
Coronavirus Mutations Could Muddle COVID-19 PCR Tests
Coronavirus Mutations Could Muddle COVID-19 PCR Tests

Researchers find that SARS-CoV-2 variants can evade primer-probe sets and recommend that diagnostic assays include multiple targets for reliability.

Researchers find that SARS-CoV-2 variants can evade primer-probe sets and recommend that diagnostic assays include multiple targets for reliability.

genetics & genomics, methods

CRISPR, Cas-9, Nobel, Chemistry
CRISPR’s Adaptation to Genome Editing Earns Chemistry Nobel
Amanda Heidt | Oct 7, 2020 | 4 min read
Emmanuelle Charpentier and Jennifer Doudna reprogrammed the bacterial immune response into one of the most popular tools for genetics and molecular biology.
Genetics Models Move Beyond Drosophila and the Humble Lab Mouse
Amber Dance | Sep 1, 2019 | 8 min read
Organisms with unusual genomes are helping scientists investigate gene regulation, evolution, and development.
CRISPR Efficiency Tied to Cancer-Causing Process
Kerry Grens | Jun 11, 2018 | 2 min read
Two studies find the genome-editing technique works best when cells have a faulty DNA-damage response that’s frequently present in cancers.  
Scientists Continue to Use Outdated Methods
Catherine Offord | Jan 8, 2018 | 7 min read
The use of underperforming computational tools is a major offender in science’s reproducibility crisis—and there’s growing momentum to avoid it.
Nonviral CRISPR Delivery a Success
Abby Olena, PhD | Oct 2, 2017 | 3 min read
Researchers use gold nanoparticles to deliver CRISPR-Cas9 and correct a point mutation in a mouse model of Duchenne muscular dystrophy. 
Zebrafish Embryos Survive Deep Freeze and Quick Thaw
Ashley Yeager | Jul 28, 2017 | 3 min read
In a first, scientists reanimate the fish using embedded gold nanoparticles that heat up cells by absorbing laser light.
Mini-Metagenomics Leads to Microbial Discovery
Abby Olena, PhD | Jul 14, 2017 | 3 min read
Researchers develop a method that combines the strengths of shotgun metagenomics and single-cell genome sequencing in a microfluidics-based platform.
Was a Drop in CRISPR Firmsā€™ Stock Warranted?
Claire Asher | Jun 7, 2017 | 4 min read
A study of off-target effects that sparked fear among investors of genome-editing companies receives methodological criticisms.
Massively Parallel Perturbations
Ruth Williams | Mar 1, 2017 | 2 min read
Scientists combine CRISPR gene editing with single-cell sequencing for genotype-phenotype screens.
Infographic: Single-Cell CRISPR Screens
Ruth Williams | Feb 28, 2017 | 1 min read
See how two new methods track responses to unique genetic manipulations in numerous individual cells in parallel.
New Technique Enables Observation of Accessible Chromatin
Ruth Williams | Jan 1, 2017 | 2 min read
A test tube-based genome-labeling technique has been brought under the microscope.
Science History: The First Transgenic Arabidopsis
Kerry Grens | Oct 1, 2016 | 3 min read
Tweaks to a transformation protocol in 1986 cemented the little plant's mighty role in plant genetics research.
Toggling CRISPR Activity with a Chemical Switch
Kerry Grens | Sep 12, 2016 | 1 min read
Researchers design a Cas9 enzyme that cuts DNA only in the presence of particular drug.
Wanted: Transcriptional Regulators
Ruth Williams | Aug 1, 2016 | 2 min read
Researchers have designed a screen to find unique molecules, called riboswitches, that determine whether transcription will proceed.
Sensors for All
Ruth Williams | May 1, 2016 | 3 min read
A versatile modular strategy for detecting small molecules in eukaryotes
Sense and Sensibility
Ruth Williams | Apr 30, 2016 | 1 min read
Tailored combinations of a reporter and a ligand-binding domain allow for sensing just about any molecule of interest.
CRISPR Can Tag RNA
Kerry Grens | Mar 21, 2016 | 1 min read
Modifications to the DNA-slicing program allow for monitoring the movement of messenger RNA.
Gene Editing Without Foreign DNA
Ruth Williams | Feb 1, 2016 | 2 min read
Scientists perform plant-genome modifications on crops without using plasmids.
TS Picks: CRISPR Patent Edition
Kerry Grens | Jan 5, 2016 | 2 min read
A challenge to the first CRISPR patent just got teeth.
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