Devious sperm ‘poison’ their rivals, forcing them to swim in circles until they die

Some sperm cells are ruthless manipulators that may actually poison their competitors within the race to fertilize an egg, new analysis reveals.

In a examine printed Feb. 4 within the journal PLOS Genetics, researchers from the Max Planck Institute for Molecular Genetics (MPIMG) in Berlin studied mouse sperm cells beneath the microscope to raised perceive the consequences of a specific DNA sequence often known as the t-haplotype. The staff knew from earlier analysis that sperm cells carrying this sequence are inclined to swim straighter (quite than in circles of loss of life) and sooner on common than competing sperm with out it.

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