Smaller nucleoli slow aging, acting as a "mortality timer," while larger nucleoli lead to cell death by destabilizing rDNA. The secret to cellular youth may lie in maintaining a small nucleolus—a ...

Understanding how deletion mutations in mitochondrial DNA contribute to aging can help delay age-related decline in ...

The theory of evolution, first articulated by Charles Darwin in the 19th century, has been the foundation of biological ...

The biological factory that produces reproductive cells has a robust quality control system to identify and eliminate eggs ...

Chromosome abnormality is the condition in a cell or organism where the number of chromosomes or the structure of any chromosome differs from the normal karyotype. When the variant genotype is not ...

New research shows how SMC proteins make long loops in our DNA and also put twists into the loops as they form, helping to ...

These findings help us better understand the structure and function of our chromosomes ... body faces when packing its DNA into its tiny nucleus. To achieve this, nature employs ingenious ...

I­­n its anniversary year, Germany’s most important research prize goes to four female researchers and six male researchers / €2.5 million in prize money each / Award ceremony: 19 March in Berlin ...

Wolf-Hirschhorn is a rare genetic disorder that your baby gets when part of chromosome 4 is deleted. It happens when cells divide abnormally during reproduction. When any part of a chromosome is ...

Most people are born with 46 chromosomes that are divided into 23 pairs. Chromosome pairs carry genes from each parent, which determine a person’s physical characteristics, like their height or ...

In normal human cells, the nucleus contains 23 pairs of chromosomes that enclose the DNA. There are some natural processes that can damage DNA. For example, in chromothripsis, which occurs in some ...