Science Daily

Research on centromere structure yields new insights into the mechanisms of chromosome segregation errors

Researchers have made a surprising new discovery in the structure of the centromere, a structure that is involved in ensuring that chromosomes are segregated properly when a cell divides. Mistakes in ...

In chromosome of key biotech bacterium, different setups bring different strengths

Depending on the setting, the ability of a crucial bacterium in biotechnology—Agrobacterium tumefaciens—to transfer its DNA ...

In a surprising discovery, scientists find tiny loops in the genomes of dividing cells

Before cells can divide, they first need to replicate all of their chromosomes, so that each of the daughter cells can ...
Nature

Demonstration of the Spiral Structure of Human Chromosomes

CHROMOSOMES have generally been regarded as consisting of coiled chromonemata. Although a number of cytological observations on the structure of chromosomes in plant germ cells have been conducted, as ...