Fitness

New CRISPR-Edited Tobacco is Almost Nicotine-Free

Scientists at the Technical University of Dortmund have grown a type of tobacco containing 99.7% less nicotine. CRISPR was used to disable certain plant enzymes aiding in nicotine production, potentially creating a tobacco to help users quit smoking.

No-Incision CRISPR Reduces Genetic Obesity in Mice

A modified version of CRISPR has been used to reverse genetic obesity in two different mouse models without editing any genes. The technique uses the guidance system in CRISPR to target certain genetic sequences and amplifies existing gene activity to ramp up protein production.

Genetic Heart Test Used to Identify Risk of Severe Cardiomyopathy

Scientists from the University of Pennsylvania have created a test using gene-editing tools such as CRISPR to identify a gene variant responsible for severe hypertrophic cardiomyopathy (SHC). SHC is an often-familial disease which thickens heart walls and is linked to a variant in the TNNT2 gene.

Blocking One Gene Could Cure Obesity

Scientists in South Australia have announced in the EMBO Reports journal that they may have found a single gene which can be blocked to promote weight loss without the need for diets or gym time.

Weekend Reads, week 16

Worth reading this week: human cloning, ninja polymers fighting off superbugs, and genetics research failing most of the world’s population.

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