Variant Found in Brazil Could Evade Immunity from Past Infection
Variant Found in Brazil Could Evade Immunity from Past Infection
The P.1 variant, which has also been detected in five US states, could be responsible for cases of reinfection, according to a preprint.
Variant Found in Brazil Could Evade Immunity from Past Infection
Variant Found in Brazil Could Evade Immunity from Past Infection

The P.1 variant, which has also been detected in five US states, could be responsible for cases of reinfection, according to a preprint.

The P.1 variant, which has also been detected in five US states, could be responsible for cases of reinfection, according to a preprint.

mutations
Long-Lived Trees’ Epigenetic Mutations Serve as a Molecular Clock
Long-Lived Trees’ Epigenetic Mutations Serve as a Molecular Clock
Jef Akst | Mar 1, 2021
Cells found in different branches of a tree have different patterns of DNA methylation, changes in which accumulate over time.
SARS-CoV-2 with Genomic Deletions Escapes an Antibody
SARS-CoV-2 with Genomic Deletions Escapes an Antibody
Abby Olena | Feb 16, 2021
Researchers identify deletions in the N-terminal domain of the spike protein that allow the coronavirus to avoid antibody neutralization and that may contribute to the emergence of new variants.
New SARS-CoV-2 Variant Could Evade Antibodies
New SARS-CoV-2 Variant Could Evade Antibodies
Lisa Winter | Jan 22, 2021
A preprint casts doubt on vaccine effectiveness in light of certain mutations in the 501Y.V2 variant that emerged from South Africa.
Skin Sheltered from Sunlight Still Gathers UV-Linked Mutations
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.
Identical Twins Accumulate Genetic Differences in the Womb
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.
CRISPR Gene Editing Prompts Chaos in DNA of Human Embryos
CRISPR Gene Editing Prompts Chaos in DNA of Human Embryos
Amanda Heidt | Jun 26, 2020
Three studies identify unintended consequences of gene editing in human embryos, including large deletions and reshuffling of DNA.
Relatively Stable SARS-CoV-2 Genome Is Good News for a Vaccine
Relatively Stable SARS-CoV-2 Genome Is Good News for a Vaccine
Amy Schleunes | Mar 25, 2020
The small number of genetic differences between the original strain of the novel coronavirus from Wuhan and those currently circulating in the US population indicates that a vaccine may likely offer lasting immunity.
Human Mutation Rates Steady Across Groups—Except in the Amish
Human Mutation Rates Steady Across Groups—Except in the Amish
Abby Olena | Jan 29, 2020
Researchers determined that the incidence of new genetic mutations is comparable in people of different ancestries, but lower in Amish people.
Cancer Cells Increase DNA Mutations to Evade Treatment
Cancer Cells Increase DNA Mutations to Evade Treatment
Abby Olena | Nov 7, 2019
Colorectal tumor cells limit their DNA repair in response to a targeted therapy, giving them a greater chance to develop resistance to the drug.