One out of eight couples has trouble conceiving, with nearly a quarter of those cases caused by unexplained male infertility. For the past decade, research has linked that infertility to defective sperm that fail to “evict” proteins called histones from DNA during development. However, the mechanisms behind that eviction and where this is happening in the sperm DNA has remained both controversial and unclear.
Click here for original story, Researchers uncover defective sperm epigenome that leads to male infertility
Source: Phys.org