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Genetic Secrets of the Monarch Butterfly Revealed

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Sequencing the genomes of monarch butterflies from around the world, scientists have made surprising insights into the insect’s genetics. They identified a single gene that appears central to migration – a behavior generally regarded as complex – and another that controls pigmentation, as well as shed light on the evolutionary origins of the monarch.

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Gene Interacts with Stress and Leads to Heart Disease in Some People

– A new genetic finding from Duke Medicine suggests that some people who are prone to hostility, anxiety and depression might also be hard-wired to gain weight when exposed to chronic stress, leading to diabetes and heart disease.

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Disease Decoded: Gene Mutation May Lead to Development of New Cancer Drugs

The discovery of a gene mutation that causes a rare premature aging disease could lead to the development of drugs that block the rapid, unstoppable cell division that makes cancer so deadly

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DNA Signature Found in Ice Storm Babies

The number of days an expectant mother was deprived of electricity during Quebec’s Ice Storm (1998) predicts the epigenetic profile of her child, a new study finds. Scientists from the Douglas Mental Health University Institute and McGill University have detected a distinctive ‘signature’ in the DNA of children born in the aftermath of the massive Quebec ice storm. Five months after the event, researchers recruited women who had been pregnant during the disaster and assessed their degrees of hardship and distress in a study called Project Ice Storm.

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Scripps Research Institute Scientists Shed Light on Cause of Spastic Paraplegia

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Scientists at The Scripps Research Institute (TSRI) have discovered that a gene mutation linked to hereditary spastic paraplegia, a disabling neurological disorder, interferes with the normal breakdown of triglyceride fat molecules in the brain. The TSRI researchers found large droplets of triglycerides within the neurons of mice modeling the disease.

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ORNL Team First to Fully Sequence Bacterial Genome Important to Fuel and Chemical Production

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Researchers sequence the entire genome of the Clostridium autoethanogenum bacterium, which is used to sustainably produce fuel and chemicals from a range of raw materials, including gases derived from biomass and industrial wastes.

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Large International Study Pinpoints Synapse Genes with Major Roles in Severe Childhood Epilepsies

An international research team has identified gene mutations causing severe, difficult-to-treat forms of childhood epilepsy. Many of the mutations disrupt functioning in the synapse, the junction at which nerve cells intercommunicate.

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New Technique Reveals a Role for Histones in Cell Division

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Proteins known as histones give structure to DNA, which coils around them like string on spools. But as is so often the case in biology, it turns out there is more to these structures than meets the eye.

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How a Single, Genetic Change Causes Retinal Tumors in Young Children

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Retinoblastoma cell of origin identified in research at Children’s Hospital Los Angeles.

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