COVID-19, SARS-CoV-2, coronavirus, pandemic, variant, L452R, B.1.1.7, virus
Coronavirus Variant Linked to COVID-19 Outbreaks in California
It’s too early to know whether the L452R version of SARS-CoV-2 is highly infectious like the B.1.1.7 UK variant that is also spreading around the US.
Coronavirus Variant Linked to COVID-19 Outbreaks in California
Coronavirus Variant Linked to COVID-19 Outbreaks in California

It’s too early to know whether the L452R version of SARS-CoV-2 is highly infectious like the B.1.1.7 UK variant that is also spreading around the US.

It’s too early to know whether the L452R version of SARS-CoV-2 is highly infectious like the B.1.1.7 UK variant that is also spreading around the US.

genetics & genomics, immunology
Past SARS-CoV-2 Infection Mostly Protects Survivors
Max Kozlov | Jan 14, 2021
A large study of UK healthcare workers finds that immunity after coronavirus infection lasts for months, but those with antibodies may still be able to carry and spread the virus upon reexposure.
Skin Sheltered from Sunlight Still Gathers UV-Linked Mutations
Abby Olena | Jan 14, 2021
Whole-genome sequencing reveals a wide range of UV-induced DNA changes in human skin cells, and lighter skin collects more mutations, sometimes to “sky high” levels.
brown fat, metabolism, cardiovascular disease, cardiometabolic disease, genetics & genomics, immunology, Q&A, adipose tissue, obesity
Q&A: Brown Fat Linked to Better Cardio and Metabolic Health
Amanda Heidt | Jan 12, 2021
Paul Cohen of the Rockefeller University describes his study of thousands of people, finding that the energy-burning tissue is tied to a lower risk of for several diseases, including type 2 diabetes, high blood pressure, and heart disease.
covid-19 coronavirus sars-cov-2 pandemic tocilizumab sarilumab
UK Approves Arthritis Drugs for Critically Ill COVID-19 Patients
Asher Jones | Jan 11, 2021
The immunosuppressive drugs tocilizumab and sarilumab improved survival and recovery time of intensive care COVID-19 patients, according to a preprint.
plant organelle plastid horizontal genome transfer
Watch a Plastid Squirm from One Plant Cell to Another
The Scientist Staff | Jan 8, 2021
Entire organelles bearing DNA move between strains of tobacco that were grafted to one another.
Severe Allergic Reactions to COVID-19 Vaccine Are Rare: CDC
Lisa Winter | Jan 7, 2021
The majority of people experiencing anaphylaxis had a history of allergic reactions, a report by the agency finds.
Identical Twins Accumulate Genetic Differences in the Womb
Catherine Offord | Jan 7, 2021
DNA replication errors during cell division cause monozygotic twins to diverge from each other even during the earliest stages of development, a new study finds.
Plant Cells Swap Organelles
Abby Olena | Jan 7, 2021
Their relocation explains horizontal genome transfer first described more than a decade ago.
Kathryn Anderson, forward genetics, genetics & genomics, model organisms, Toll, hedgehog, embryogenesis, developmental biology, cell differentiation, cilia,
Developmental Biologist Kathryn Anderson Dies at 68
Amanda Heidt | Jan 6, 2021
The Sloan Kettering researcher used mutagenic screening to probe genes and molecular pathways, including Toll and Hedgehog, essential to development in fruit flies and mice.
Your Partner’s Genome May Affect Your Health
Catherine Offord | Jan 5, 2021
A study using data from more than 80,000 couples finds evidence of indirect genetic effects on traits ranging from smoking habits to mental health.
South African SARS-CoV-2 Variant Alarms Scientists
Max Kozlov | Jan 5, 2021
An additional mutation in the spike protein of the coronavirus may help it elude antibody recognition, and scientists are investigating if current vaccines will protect against it.
US Officials Debate Efficacy of Half Doses of COVID-19 Vaccine
Lisa Winter | Jan 5, 2021
The head of Operation Warp Speed says that by spreading out doses of the Moderna vaccine, more people would be able to get some level of protection sooner, a strategy opposed by other experts.
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.
How RNAs Called SINEUPs Upregulate Translation
Catherine Offord | Jan 1, 2021
The recently discovered long noncoding RNAs seem to boost the production of specific proteins in the cell by interacting with RNA-binding proteins, researchers find.
Celine Frere Chases Dragons and Koalas to Learn How They Adapt
Max Kozlov | Jan 1, 2021
The biologist at the University of Sunshine Coast in Australia wants to understand why some animal species adapt well to urbanization, while others fall flat.
First US Case of UK SARS-CoV-2 Variant Detected
Max Kozlov | Dec 30, 2020
Variant B.1.1.7, though likely more contagious than other strains, does not appear to be more deadly.
consensus genome human reference genome pangenome dna genetics diversity
A New Human Reference Genome Represents the Most Common Sequences
Ashleen Knutsen | Dec 23, 2020
Researchers create a “consensus genome” that halves the number of errors when mapping transcripts, although they say the current standard is still a good tool.