Rare variants

Recent articles

Data visualization from a genome-wide association study.

Revised statistical bar extracts less-common variants from autism genetics studies

Adjusting genetic analyses could help plug autism’s heritability gap, according to a new preprint.

By Holly Barker
12 March 2026 | 4 min read
Crowd seen from above.

Common and rare variants shape distinct genetic architecture of autism in African Americans

Certain gene variants may have greater weight in determining autism likelihood for some populations, a new study shows.

By Laura Dattaro
15 January 2026 | 5 min read
Research image of gene expression.

Sequencing study spotlights tight web of genes tied to autism

The findings, shared in a preprint, help to illuminate how a large and heterogeneous group of genes could be involved in autism.

By Katie Moisse
13 March 2025 | 5 min read
Research image highlighting different brain regions.

X marks the spot in search for autism variants

Genetic variants on the X chromosome, including those in the gene DDX53, contribute to autism’s gender imbalance, two new studies suggest.

By Holly Barker
16 January 2025 | 6 min read
Research image of frog cells.

Many autism-linked proteins influence hair-like cilia on human brain cells

The finding may help explain autism’s association with multiple co-occurring conditions that involve cilia defects.

By Charles Q. Choi
9 January 2025 | 4 min read
Illustration of hands sewing red and white threads in a DNA-like pattern into a blue-gray fabric.

Untangling biological threads from autism’s phenotypic patchwork reveals four core subtypes

People belonging to the same subtype share genetic variants, behaviors and often co-occurring diagnoses, according to a new preprint.

By Holly Barker
3 October 2024 | 5 min read
Stock photograph of a women and her young child at a clinician’s office.

A genetics-first clinic for catching developmental conditions early: Q&A with Jacob Vorstman

A new clinic is assessing children who have a genetic predisposition for autism and other neurodevelopmental conditions—sometimes before traits appear.

By Lauren Schenkman
15 August 2024 | 7 min read
Research illustration groups genes by their effects on brain cell types.

Giant analysis reveals how autism-linked genes affect brain cell types

Genes that predispose people to autism account for a large portion of the neuronal and glial cell changes seen in those with the condition.

By Charles Q. Choi
20 June 2024 | 5 min read

Genome structure could be key factor in some forms of autism

Variants in DNA stretches that do not code for proteins may alter the genome’s 3D architecture, influencing the expression of distant genes linked to autism.

By Giorgia Guglielmi
28 March 2024 | 4 min read
Research image of organoids in the forebrain.

Head size parts autism into two major subtypes

An imbalance in the number of excitatory neurons in early brain development may account for the difference.

By Charles Q. Choi
12 September 2023 | 4 min read

Explore more from The Transmitter

DNA strand

Exon-skipping approach boosts levels of key Rett syndrome protein

Deleting a small region of the MECP2 gene partially restored function in neurons derived from people with Rett-associated variants.

By Giorgia Guglielmi
20 March 2026 | 5 min read
Collage with a portrait of Caitlin Vander Weele in the foreground.

Frameshift: How Caitlin Vander Weele made science communication her business

Her favorite part of research was talking about it. So she left academia and turned that passion into a successful company.

By Katie Moisse
19 March 2026 | 6 min read
Research image of senescing cells.

Signs of aging vary across brain cells

Senescence presents differently depending on the cell type, toxic trigger and neighboring cells, two new studies find.

By Claudia López Lloreda
18 March 2026 | 4 min read