Author

Marissa Fessenden

Journalist, Freelance

Marissa Fessenden is a freelance science journalist based in Bozeman, Montana. She has written about genetics, health, wildlife, microbiology and the intersection of science and art. She tweets @marisfessenden.

April 2018
News / Toolbox

Web-based tools reveal mutations’ effects on proteins

by  /  27 April 2018

Two new online resources help researchers predict how mutations alter protein structure.

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News / Toolbox

Map of DNA variation identifies key genetic regions

by  /  20 April 2018

A new analysis of the genomes of more than 11,000 people reveals regions that have few mutations, indicating they have important functions.

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News / Toolbox

Active neurons emit visible glow from depths of animal brains

by  /  13 April 2018

Modified versions of molecules found in fireflies make brain cells glow so brightly they are visible from outside the body.

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News / Toolbox

Silicon nanowires stimulate neurons with light

by  /  6 April 2018

Microscopic silicon wires could enable scientists to excite neurons with light without first inserting genes into them.

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March 2018
News / Toolbox

New tools speed genome assembly, tests of gene function

by  /  23 March 2018

Two new techniques could help reveal the molecular basis of conditions such as autism.

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News / Toolbox

New instrument could assess effects of behavioral treatments

by  /  9 March 2018

A new questionnaire assesses the frequency and severity of various behaviors in children with autism.

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News / Toolbox

Map of DNA structure marks autism risk regions

by  /  2 March 2018

A new map of DNA structure highlights sequences that regulate the formation of neurons in the developing brain.

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February 2018
News / Toolbox

Map of gene expression gives new clues to brain development

by  /  23 February 2018

A new map that analyzes gene expression one cell at a time shows how various cell types mature and form the brain’s distinctive structures.

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Gene network
News / Toolbox

New software mines data for autism risk genes

by  /  16 February 2018

An algorithm combs through genetic data to identify variants involved in autism and four other brain conditions.

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News / Toolbox

Interactive mouse brain atlas helps researchers share data

by  /  9 February 2018

An online software suite charts individual neurons and their connections across the mouse brain.

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