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Artist’s rendition of the molecular structure of a ribosome (blue and purple) as it produces a polypeptide chain (red) from an mRNA template (orange and gray), with tRNA molecules (dark purple) shuttling amino acids.
Specialized Sperm Ribosomes Are Key to Male Fertility in Mice
A previously unknown kind of ribosome is responsible for folding sperm proteins, which decay before fertilization if prepared by other ribosomes.
Specialized Sperm Ribosomes Are Key to Male Fertility in Mice
Specialized Sperm Ribosomes Are Key to Male Fertility in Mice

A previously unknown kind of ribosome is responsible for folding sperm proteins, which decay before fertilization if prepared by other ribosomes.

A previously unknown kind of ribosome is responsible for folding sperm proteins, which decay before fertilization if prepared by other ribosomes.

male infertility
Women’s Cervical Mucus Prefers Some Sperm Over Others 
Abby Olena, PhD | Aug 18, 2020 | 3 min read
In human male-female pairs with a less similar suite of genes for human leukocyte antigens, sperm fare better when exposed to cervical mucus.
Human Testicles Contain Endocannabinoid System Components
Ruth Williams | Sep 19, 2019 | 3 min read
Proteins that synthesize, bind, and degrade endocannabinoids are present in the body’s sperm factories, suggesting that the use of cannabis may directly affect them.
Image of the Day: Sperm Protectors
The Scientist Staff | Aug 18, 2017 | 1 min read
Among their many functions, macrophages in mouse testes guard sperm against attacks by other immune cells. 
Sperm Stem Cell Maintenance
Jenny Rood | Mar 2, 2015 | 1 min read
A missing transcription factor puts an early end to sperm production in mice.
It Takes Two
Jef Akst | Nov 21, 2013 | 3 min read
Two genes from the Y chromosome are sufficient to generate male mice capable of fathering healthy offspring via an assisted reproductive technique.
X Marks the Spot for Sperm Production
Chris Palmer | Jul 21, 2013 | 3 min read
A new genetic analysis suggests the human X chromosome evolves rapidly and plays a specialized role in sperm production.
Loss of Microtubule Regulator Blocks Sperm Maturation
Sabrina Richards | May 24, 2012 | 4 min read
New research suggests that controlling cytoskeletal dynamics in sperm accessory cells may help regulate male fertility.
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