Genetic Risks for Depression Differ Between Ancestral Groups
Genetic Risks for Depression Differ Between Ancestral Groups
Chloe Tenn | Oct 19, 2021
A large genome-wide association study in East Asians uncovers novel genetic links to depression, calling attention to the consequences of underrepresentation of non-European groups in genetic research data.
Mice that Survive Infection Pass on Stronger Immunity
Mice that Survive Infection Pass on Stronger Immunity
David Adam | Oct 18, 2021
Offspring of animals subjected to a real or simulated pathogen were more able to fend off disease, a study finds.
Alzheimer’s Risk Gene Paradoxically Protects Against Memory Loss
Alzheimer’s Risk Gene Paradoxically Protects Against Memory Loss
Chloe Tenn | Oct 8, 2021
A new study links a variant of the apolipoprotein E gene called APOE ε4 to better memory in older age, even in the presence of amyloid plaques—a possible explanation for the variant’s persistence despite its association with an increased risk of Alzheimer’s disease.
Prominent Plant Geneticist Accused of Sexual Harassment
Prominent Plant Geneticist Accused of Sexual Harassment
Amanda Heidt | Oct 1, 2021
Female scientists in Mexico have filed at least four formal complaints alleging abuse by Jean-Philippe Vielle Calzada of the National Laboratory of Genomics for Biodiversity.
Identical Twins Carry Distinctive Epigenetic Marks: Study
Identical Twins Carry Distinctive Epigenetic Marks: Study
Chloe Tenn | Sep 30, 2021
Researchers found more than 800 sites in the genome where the twins bore the same chemical tags.
Gene Variant Points to Starvation’s Evolutionary Legacy
Gene Variant Points to Starvation’s Evolutionary Legacy
Sophie Fessl | Sep 28, 2021
Ancient and modern genomes reveal that a variant of the human growth hormone receptor likely helped our ancestors survive when food was scarce.
Protein Size Matters
Protein Size Matters
David Adam | Sep 23, 2021
A study probes how genetic duplications that can swell protein length influence human traits such as height and kidney function.
<em>Alu </em>Leap May Explain Why Apes Don&rsquo;t Have Tails
Alu Leap May Explain Why Apes Don’t Have Tails
Annie Melchor | Sep 23, 2021
A transposable element that jumped into the TBXT gene, which is linked to tail morphology, appears to be to blame for our missing appendage.
DNA Methylation Influences Replication and Genome Organization
DNA Methylation Influences Replication and Genome Organization
Abby Olena | Sep 22, 2021
A study links the loss of DNA methylation across the genome—as is common in cancer—to the disruption of the 3-D compartments that organize the genome and to the timing of DNA replication.
Stephen Warren, Icon of Fragile X Research, Dies at 67
Stephen Warren, Icon of Fragile X Research, Dies at 67
Lisa Winter | Sep 21, 2021
He famously identified the genetic mutation that causes the condition in 1991.
Serious Infections Linked to Autism: Study
Serious Infections Linked to Autism: Study
Abby Olena | Sep 17, 2021
In both a mouse model and the hospital records of more than 3 million children, researchers found a connection between strong immune activation in males and later symptoms of autism spectrum disorder.
Accurate Protein Production Promotes Longevity
Accurate Protein Production Promotes Longevity
Ruth Williams | Sep 15, 2021
Worms, flies, and yeast live longer if the fidelity of their protein-making machinery is improved, a study shows.
Signaling Dynamics Fine-Tune Gene Expression
Signaling Dynamics Fine-Tune Gene Expression
Ruth Williams | Sep 3, 2021
The dynamic behavior of a transcriptional activator can be used to specify the activity level of its target gene, a study suggests.
Infographic: A Yeast Model for Studying Histone Modifications
Infographic: A Yeast Model for Studying Histone Modifications
Amanda Heidt | Sep 1, 2021
The methodology involves modifying histones and displaying them on the cell surface for analysis.