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It Turns Out Your Sperm Is Full of DNA Packed as Tightly as Tetris Blocks


Our DNA is packed into our nucleus pretty damn tightly. Each chromosome is one looong DNA molecule wrapped around proteins called histones, like a very tiny thread on very tiny spools. ....

Nordrhein Westfalen , Hubert Schorle , University Hospital Bonn , University Hospital , Mp Quot ,

Tiny bubbles in semen could contribute to 'unexplained infertility'

A small study in men suggests tiny bubbles of cell membrane found in semen are different in those with unexplained infertility issues compared to those with no fertility problems, which could help explain the mysterious condition ....

United Kingdom , Hadis Gholipour , Carissa Wong , Iran University Of Medical Sciences , European Society Of Human Reproduction , Iran University , Medical Sciences , European Society , Human Reproduction , Omb Lining ,

Ancestral molecule from bacteria-like cells may offer evolutionary insight on sexual reproduction

A study from Karolinska Institutet in Sweden, among others, presents the theory that egg-sperm fusion, a crucial feature of sexual reproduction in plants and animals, may have originated from an ancient form of genetic exchange that involved the fusion of bacteria-like microorganisms called archaea. ....

Shunsuke Nishio , Karolinska Institutet , Luca Jovine , Emily Henderson , Nature Communications , Swedish Research Council , Alice Wallenberg Foundation , Department Of Biosciences , European Synchrotron Radiation Facility , United Kingdom Based , Swedish Research , Amete Fusion ,

Commercial DNA databanks transform how people involved in donor conception seek information

People conceived by sperm and egg donation, as well as their parents and donors, are making use of commercial genetic DNA testing in a variety of ways little considered in earlier reports, according to the interim results of a qualitative study presented here at ESHRE's 38th annual meeting in Milan. ....

United Kingdom , Lucy Frith , Emily Henderson , Science Research Council , University Of Manchester , Embryology Authority , Social Science Research Council , Victoria Australia , Study First Author , Human Fertilisation ,