Tag

Genetic Mutation

All articles tagged with #genetic mutation

29-Year-Old Single Mom Faces Rare Alzheimer's Diagnosis
health6 months ago

29-Year-Old Single Mom Faces Rare Alzheimer's Diagnosis

Erin Kelly, a 29-year-old Australian single mother, has been diagnosed with a rare genetic form of early-onset Alzheimer's disease, inheriting the PSEN1 mutation from her mother. She is experiencing early symptoms and is seeking treatment options like Leqembi to slow progression, while also trying to protect her young daughter from the diagnosis. Her family has started a fundraiser to help afford treatment not covered by Australian public health services.

Galápagos Tomatoes Show Signs of Reverse Evolution
science7 months ago

Galápagos Tomatoes Show Signs of Reverse Evolution

Scientists have observed a rare case of reverse evolution in Galápagos tomatoes, where they are reverting to ancient genetic traits that produce toxic alkaloids, possibly as an adaptation to their environment. This phenomenon involves just a few genetic mutations affecting enzyme structure, leading to the reactivation of ancestral chemical defenses, and suggests that evolution can sometimes move backward under certain conditions.