Mutations of NANOS1, a human homologue of the Drosophila morphogen, are associated with a lack of germ cells in testes or severe oligo-astheno-teratozoospermia.

Abstract excerpt

BACKGROUND: The Nanos gene is a key translational regulator of specific mRNAs involved in Drosophila germ cell development. Disruption of mammalian homologues, Nanos2 or Nanos3, causes male infertility in mice. In humans, however, no evidence of NANOS2 or NANOS3 mutations causing male infertility has been reported. Although Nanos1 seems dispensable for mouse reproduction, we sought to analyse for the first time...

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