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Hutch News

Stories tagged 'sperm'

Of mutant flies, tangled sperm and the 'Mother's Curse'

Study in fruit flies identifies a mutation in mitochondria — the energy factories of our cells — that harms males but not females

Aug. 2, 2016 | By Rachel Tompa / Fred Hutch News Service

For the first time, evolutionary biologists at Fred Hutch have identified a "Mother's Curse" mutation - a genetic change harmful to males but not females - in animals. The mutation renders male fruit flies sterile but leaves female flies untouched.

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Q&A: How evolutionary biologists got lucky with a sperm discovery

Drs. Harmit Malik and Mia Levine on a male fruit fly protein necessary for embryo survival

July 7, 2015 | By Dr. Rachel Tompa / Fred Hutch News Service

Gestation has traditionally been viewed as the mother’s domain, with dad doing little more than depositing his half of the genome. Now, a new study in fruit flies pinpoints a protein in sperm that regulates embryos’ earliest cell divisions.

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